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Expert: Paul E. Berry, PhD

ITIS records citing expert
 
 Kingdom Plantae
  Acalypha L. -- accepted -- copperleaf
  Acalypha chamaedrifolia (Lam.) Müll. Arg. -- accepted -- bastard copperleaf
  Acalypha gibsonii (J. Graham) M.R. Almeida -- accepted
  Acalypha leptomyura Baill. -- accepted
  Adelia L. -- accepted -- lime, wild lime
  Adelia ricinella L. -- accepted -- wild lime
  Adelia vaseyi (J.M. Coult.) Pax & K. Hoffm. -- accepted -- Vasey's wild lime
  Adenochlaena Boiss. ex Baill. -- accepted
  Adenochlaena leucocephala Baill. -- accepted
  Adenopetalum Klotzsch & Garcke -- not accepted
  Adenopetalum barnesii Millsp. -- not accepted
  Adenopetalum boerhaviifolium Klotzsch & Garcke -- not accepted
  Adenopetalum bracteatum Klotzsch & Garcke -- not accepted
  Adenopetalum discolor Klotzsch & Garcke -- not accepted
  Adenopetalum ellipticum Klotzsch & Garcke -- not accepted
  Adenopetalum gramineum (Jacq.) Klotzsch & Garcke -- not accepted
  Adenopetalum hoffmannii Klotzsch & Garcke -- not accepted
  Adenopetalum irasuense Klotzsch & Garcke -- not accepted
  Adenopetalum mexicanum Klotzsch & Garcke -- not accepted
  Adenopetalum oerstedii Klotzsch & Garcke -- not accepted
  Adenopetalum pictum (Jacq.) Klotzsch & Garcke -- not accepted
  Adenopetalum pubescens Klotzsch & Garcke -- not accepted
  Adenopetalum sphaerorhizum Klotzsch & Garcke -- not accepted
  Adenopetalum subsinuatum Klotzsch & Garcke -- not accepted
  Adenorima Raf. -- not accepted
  Adenorima gymnonota (Urb.) Millsp. -- not accepted
  Adenorima punicea (Sw.) Raf. -- not accepted
  Adriana Gaudich. -- accepted
  Adriana quadripartita (Labill.) Müll. Arg. -- accepted
  Adriana urticoides (A. Cunn.) Guymer ex P.I. Forst. -- accepted
  Agaloma Raf. -- not accepted
  Agaloma angustifolia Raf. -- not accepted
  Agaloma apocynifolia (Small) Nieuwl. -- not accepted
  Agaloma arundelana (Bartlett) Nieuwl. -- not accepted
  Agaloma ciliata Raf. -- not accepted
  Agaloma corollata (L.) Raf. -- not accepted
  Agaloma corollata var. angustifolia (Elliott) Raf. -- not accepted
  Agaloma curtisii (Engelm.) Nieuwl. -- not accepted
  Agaloma discoidalis (Chapm.) Nieuwl. -- not accepted
  Agaloma eriogonoides (Small) Nieuwl. -- not accepted
  Agaloma exserta (Small) Nieuwl. -- not accepted
  Agaloma gracilis (Small) Nieuwl. -- not accepted
  Agaloma graminifolia Raf. -- not accepted
  Agaloma ipecacuanhae (L.) Nieuwl. -- not accepted
  Agaloma joorii (Norton) Nieuwl. -- not accepted
  Agaloma marginata (Pursh) Á. Löve & D. Löve -- not accepted
  Agaloma marilandica (Greene) House -- not accepted
  Agaloma mercurialina (Michx.) Nieuwl. -- not accepted
  Agaloma oerstediana (Klotzsch & Garcke) D.B. Ward -- not accepted
  Agaloma olivacea (Small) Nieuwl. -- not accepted
  Agaloma paniculata (Boiss.) Nieuwl. -- not accepted
  Agaloma polyphylla (Engelm. ex Holz.) Nieuwl. -- not accepted
  Agaloma pubentissima (Michx.) D.B. Ward -- not accepted
  Agaloma purpurea Raf. -- not accepted
  Agaloma zinniflora (Small) Nieuwl. -- not accepted
  Aklema Raf. -- not accepted
  Aklema adinophylla (Donn. Sm.) Millsp. -- not accepted
  Aklema apocynoides (Klotzsch) Millsp. -- not accepted
  Aklema colletioides (Benth.) Millsp. -- not accepted
  Aklema comonduana (Millsp.) Millsp. -- not accepted
  Aklema cotinifolia (L.) Millsp. -- not accepted
  Aklema elliptica (Klotzsch & Garcke) Millsp. -- not accepted
  Aklema friderichsthalii (Boiss.) Millsp. -- not accepted
  Aklema gaumeri (Millsp.) Millsp. -- not accepted
  Aklema ligustrina (Boiss.) Millsp. -- not accepted
  Aklema mayana (Millsp.) Millsp. -- not accepted
  Aklema nelsonii (Millsp.) Millsp. -- not accepted
  Aklema nudiflora (Lam.) Raf. -- not accepted
  Aklema oaxacana (B.L. Rob. & Greenm.) Millsp. -- not accepted
  Aklema ovata (Schltdl.) Millsp. -- not accepted
  Aklema peganoides (Boiss.) Millsp. -- not accepted
  Aklema petiolaris (Sims) Millsp. ex Britton -- not accepted
  Aklema plicata (S. Watson) Millsp. -- not accepted
  Aklema scotana (Schltdl.) Millsp. -- not accepted
  Aklema tricolor (Greenm.) Millsp. -- not accepted
  Aklema xanti (Engelm. ex Boiss.) Millsp. -- not accepted
  Aklema yavalquahuitl (Schltdl.) Millsp. -- not accepted
  Alchornea Sw. -- accepted
  Alchornea rugosa (Lour.) Müll. Arg. -- accepted
  Alchornea sicca (Blanco) Merr. -- accepted
  Alchornea tiliifolia (Benth.) Müll. Arg. -- accepted
  Alectoroctonum Schltdl. -- not accepted
  Alectoroctonum caracasanum Klotzsch & Garcke -- not accepted
  Alectoroctonum cotinifolium (L.) Schltdl. -- not accepted
  Alectoroctonum cotinoides (Miq.) Klotzsch & Garcke -- not accepted
  Alectoroctonum dilatatum (E. Mey.) Klotzsch & Garcke -- not accepted
  Alectoroctonum nudiflorum (Jacq.) Klotzsch & Garcke -- not accepted
  Alectoroctonum ovatum Schltdl. -- not accepted
  Alectoroctonum petiolare (Sims) Klotzsch & Garcke -- not accepted
  Alectoroctonum riedelianum Klotzsch & Garcke -- not accepted
  Alectoroctonum sanguineum Klotzsch & Garcke -- not accepted
  Alectoroctonum scandens (Kunth) Klotzsch & Garcke -- not accepted
  Alectoroctonum scotanum (Schltdl.) Schltdl. -- not accepted
  Alectoroctonum viride Klotzsch & Garcke -- not accepted
  Alectoroctonum willdenowii Klotzsch & Garcke -- not accepted
  Alectoroctonum wrightii (Torr. & A. Gray) Klotzsch & Garcke -- not accepted
  Alectoroctonum yavalquahuitl Schltdl. -- not accepted
  Aleurites laccifera (L.) Willd. -- not accepted
  Allobia Raf. -- not accepted
  Allobia portlandica (L.) Raf. -- not accepted
  Andrachne L. -- accepted -- maidenbush
  Andrachne microphylla (Lam.) Baill. -- accepted
  Anisophyllum Haw. -- not accepted
  Anisophyllum acutifolium Boivin ex Baill. -- not accepted
  Anisophyllum aegyptiacum (Boiss.) Schweinf. -- not accepted
  Anisophyllum affine Klotzsch & Garcke -- not accepted
  Anisophyllum amoenum Klotzsch & Garcke -- not accepted
  Anisophyllum arabicum (Hochst. & Steud. ex Anderson) Schweinf. -- not accepted
  Anisophyllum arenarium Klotzsch & Garcke -- not accepted
  Anisophyllum atoto (G. Forst.) Klotzsch & Garcke -- not accepted
  Anisophyllum bahiense Klotzsch & Garcke -- not accepted
  Anisophyllum berteroanum (Balb. ex Spreng.) Klotzsch & Garcke -- not accepted
  Anisophyllum besseri Klotzsch & Garcke -- not accepted
  Anisophyllum burmannianum (J. Gay) Klotzsch & Garcke -- not accepted
  Anisophyllum caecorum Klotzsch & Garcke -- not accepted
  Anisophyllum californicum Klotzsch & Garcke -- not accepted
  Anisophyllum centunculoides (Kunth) Klotzsch & Garcke -- not accepted
  Anisophyllum chamaesyce (L.) Haw. -- not accepted
  Anisophyllum chamissonis Klotzsch & Garcke -- not accepted
  Anisophyllum cheirolepis (Fisch. & C.A. Mey. ex Ledeb.) Klotzsch & Garcke -- not accepted
  Anisophyllum congenerum (Blume) Klotzsch & Garcke -- not accepted
  Anisophyllum convolvuloides (Hochst. ex Benth.) Klotzsch & Garcke -- not accepted
  Anisophyllum cordatum Klotzsch & Garcke -- not accepted
  Anisophyllum crassipes Klotzsch -- not accepted
  Anisophyllum densiflorum Klotzsch & Garcke -- not accepted
  Anisophyllum dentatum (Michx.) Haw. -- not accepted
  Anisophyllum dioecum (Kunth) Klotzsch & Garcke -- not accepted
  Anisophyllum emarginatum Klotzsch & Garcke -- not accepted
  Anisophyllum fendleri (Torr. & A. Gray) Klotzsch & Garcke -- not accepted
  Anisophyllum flexuosum (Kunth) Klotzsch & Garcke -- not accepted
  Anisophyllum forsskalii (J. Gay) Klotzsch & Garcke -- not accepted
  Anisophyllum geyeri (Engelm.) Klotzsch & Garcke -- not accepted
  Anisophyllum glabratum (Sw.) Klotzsch & Garcke -- not accepted
  Anisophyllum glaucophyllum (Poir.) Klotzsch & Garcke -- not accepted
  Anisophyllum golianum (Comm. ex Lam.) Klotzsch & Garcke -- not accepted
  Anisophyllum granulatum (Forssk.) Schweinf. -- not accepted
  Anisophyllum humifusum (Willd.) Klotzsch & Garcke -- not accepted
  Anisophyllum humistratum (Engelm. ex A. Gray) Klotzsch & Garcke -- not accepted
  Anisophyllum hypericifolium (L.) Haw. -- not accepted
  Anisophyllum hyssopifolium (L.) Haw. -- not accepted
  Anisophyllum inaequale Klotzsch & Garcke -- not accepted
  Anisophyllum inaequilaterum (Sond.) Klotzsch & Garcke -- not accepted
  Anisophyllum indicum (Lam.) Schweinf. -- not accepted
  Anisophyllum ipecacuanha (L.) Haw. -- not accepted
  Anisophyllum laevigatum Klotzsch & Garcke -- not accepted
  Anisophyllum lasiocarpum (Klotzsch) Klotzsch & Garcke -- not accepted
  Anisophyllum leiospermum Klotzsch & Garcke -- not accepted
  Anisophyllum leucanthum Klotzsch & Garcke -- not accepted
  Anisophyllum lindenianum (A. Rich.) Klotzsch & Garcke -- not accepted
  Anisophyllum lineare (Retz.) Klotzsch & Garcke -- not accepted
  Anisophyllum macropus Klotzsch & Garcke -- not accepted
  Anisophyllum maculatum (L.) Haw. -- not accepted
  Anisophyllum melanadenium (Torr. & A. Gray) Klotzsch & Garcke -- not accepted
  Anisophyllum mexicanum Klotzsch & Garcke -- not accepted
  Anisophyllum meyenianum (Klotzsch) Klotzsch & Garcke -- not accepted
  Anisophyllum mossambicense Klotzsch & Garcke -- not accepted
  Anisophyllum multiforme (Gaudich. ex Hook. & Arn.) Klotzsch & Garcke -- not accepted
  Anisophyllum mundii Klotzsch & Garcke -- not accepted
  Anisophyllum nagleri Klotzsch & Garcke -- not accepted
  Anisophyllum nanum Klotzsch & Garcke -- not accepted
  Anisophyllum nodosum Klotzsch & Garcke -- not accepted
  Anisophyllum novomexicanum Klotzsch & Garcke -- not accepted
  Anisophyllum ocymoideum (L.) Haw. -- not accepted
  Anisophyllum orbiculatum (Kunth) Klotzsch & Garcke -- not accepted
  Anisophyllum ovalifolium Engelm. ex Klotzsch -- not accepted
  Anisophyllum peplis (L.) Haw. -- not accepted
  Anisophyllum piluliferum (L.) Haw. -- not accepted
  Anisophyllum polycnemoides (Hochst. ex Boiss.) Klotzsch & Garcke -- not accepted
  Anisophyllum polygonifolium (L.) Haw. -- not accepted
  Anisophyllum prostratum (Aiton) Haw. -- not accepted
  Anisophyllum ramosissimum Klotzsch & Garcke -- not accepted
  Anisophyllum rhytispermum Klotzsch & Garcke -- not accepted
  Anisophyllum roseum (Retz.) Haw. -- not accepted
  Anisophyllum ruizianum Klotzsch & Garcke -- not accepted
  Anisophyllum scordiifolium (Jacq.) Klotzsch & Garcke -- not accepted
  Anisophyllum scutelligerum Boivin ex Baill. -- not accepted
  Anisophyllum selloi Klotzsch & Garcke -- not accepted
  Anisophyllum senile Klotzsch & Garcke -- not accepted
  Anisophyllum serpens (Kunth) Klotzsch & Garcke -- not accepted
  Anisophyllum setigerum Klotzsch & Garcke -- not accepted
  Anisophyllum tenuiflorum Klotzsch & Garcke -- not accepted
  Anisophyllum tettense Klotzsch & Garcke -- not accepted
  Anisophyllum thymifolium (L.) Haw. -- not accepted
  Anisophyllum vahlii Willd. ex Klotzsch & Garcke -- not accepted
  Anisophyllum vaticanum Gand. -- not accepted
  Anisophyllum velleriflorum Klotzsch & Garcke -- not accepted
  Anisophyllum virgatum Klotzsch & Garcke -- not accepted
  Anthacantha Lem. -- not accepted
  Anthacantha desmetiana Lem. -- not accepted
  Aplarina Raf. -- not accepted
  Aplarina microphylla (Lam.) Raf. -- not accepted
  Aplarina prostrata (Aiton) Raf. -- not accepted
  Argyrodendron bicolor Klotzsch -- not accepted
  Argyrodendron ovatum Boivin ex Baill. -- not accepted
  Argythamnia P. Browne -- accepted -- silverbush, wild mercury
  Argythamnia coatepensis (Brandegee) Croizat -- accepted
  Argythamnia herbacea Spreng. -- not accepted
  Argythamnia sitiens (Brandegee) J.W. Ingram -- accepted
  Arthrothamnus Klotzsch & Garcke -- not accepted
  Arthrothamnus bergii Klotzsch & Garcke -- not accepted
  Arthrothamnus brachiatus Klotzsch & Garcke -- not accepted
  Arthrothamnus burmannii Klotzsch & Garcke -- not accepted
  Arthrothamnus cassythoides (Boiss.) Millsp. -- not accepted
  Arthrothamnus cymosus Klotzsch & Garcke -- not accepted
  Arthrothamnus densiflorus Klotzsch & Garcke -- not accepted
  Arthrothamnus ecklonii Klotzsch & Garcke -- not accepted
  Arthrothamnus scopiformis Klotzsch & Garcke -- not accepted
  Arthrothamnus tirucalli (L.) Klotzsch & Garcke -- not accepted
  Astraea Klotzsch -- accepted
  Astraea aureomarginata (Chodat & Hassl.) P.E. Berry -- accepted
  Astraea cincta (Müll. Arg.) Caruzo & Cordeiro -- accepted
  Astraea comantha (S. Moore) Caruzo -- accepted
  Astraea comosa (Müll. Arg.) B.W. van Ee -- accepted
  Astraea douradensis (Steyerm.) Caruzo -- accepted
  Astraea gardneri (Müll. Arg.) Caruzo -- accepted
  Astraea hauthalii (Kuntze) P.E. Berry -- accepted
  Astraea jatropha (Müll. Arg.) B.W. van Ee -- accepted
  Astraea klotzschii Didr. -- accepted
  Astraea lobata (L.) Klotzsch -- accepted -- lobed croton
  Astraea palmata Klotzsch -- not accepted
  Astraea paulina Didr. -- accepted
  Astraea praetervisa (Müll. Arg.) P.E. Berry -- accepted
  Astraea seemannii Klotzsch -- not accepted
  Athymalus Neck. -- not accepted
  Baliospermum Blume -- accepted
  Baliospermum montanum Müll. Arg. -- accepted
  Baliospermum solanifolium (Burm.) Suresh -- accepted
  Baloghia Endl. -- accepted
  Baloghia inophylla (G. Forst.) P.S. Green -- accepted
  Bernardia Houst. ex P. Browne -- accepted
  Bernardia dichotoma (Willd.) Müll. Arg. -- accepted -- Caribbean myrtlecroton
  Bernardia lagunensis (M.E. Jones) L.C. Wheeler -- accepted
  Bernardia viridis Millsp. -- accepted
  Bertya Planch. -- accepted
  Bertya gummifera Planch. -- accepted
  Bertya opponens (F. Muell. ex Benth.) Guymer -- accepted
  Bertya rosmarinifolia Planch. -- accepted
  Beyeria Miq. -- accepted
  Beyeria viscosa (Labill.) Miq. -- accepted
  Blachia Baill. -- accepted
  Blachia umbellata (Willd.) Baill. -- accepted
  Brachystachys hirta Klotzsch -- not accepted
  Brasiliocroton P.E. Berry & Cordeiro -- accepted
  Brasiliocroton mamoninha P.E. Berry & Cordeiro -- accepted
  Calycopeplus Planch. -- accepted
  Calycopeplus ephedroides Planch. -- not accepted
  Calycopeplus helmsii F. Muell. & Tate -- not accepted
  Calycopeplus paucifolius (Klotzsch) Baill. -- accepted
  Caperonia A. St.-Hil. -- accepted -- false croton, falsecroton
  Caperonia castaneifolia (L.) A. St.-Hil. -- accepted -- chestnutleaf false croton
  Caperonia corchoroides Müll. Arg. -- accepted
  Caperonia heteropetala Didr. -- accepted
  Caperonia palustris (L.) A. St.-Hil. -- accepted -- sacatrapo, Texasweed
  Caperonia serrata C. Presl -- accepted
  Centrandra hondensis H. Karst. -- not accepted
  Chaetocarpus Thwaites -- accepted
  Chaetocarpus globosus (Sw.) Fawc. & Rendle -- accepted
  Chamaesyce Gray -- not accepted -- sandmat
  Chamaesyce abdita D.G. Burch -- not accepted
  Chamaesyce abramsiana (L.C. Wheeler) Koutnik -- not accepted -- Abrams' sandmat, Abrams' spurge
  Chamaesyce acuta Millsp. -- not accepted -- pointed sandmat
  Chamaesyce adenoptera (Bertol.) Small -- not accepted -- southern Florida sandmat
  Chamaesyce adenoptera ssp. adenoptera (Bertol.) Small -- not accepted
  Chamaesyce adenoptera ssp. canescens Proctor -- not accepted
  Chamaesyce adenoptera ssp. gundlachii (Urb.) D.G. Burch -- not accepted
  Chamaesyce adenoptera ssp. pergamena (Small) D.G. Burch -- not accepted -- southern Florida sandmat
  Chamaesyce adhaerens Small -- not accepted
  Chamaesyce adicioides Small -- not accepted
  Chamaesyce aequata Lunell -- not accepted
  Chamaesyce aequata var. claudicans Lunell -- not accepted
  Chamaesyce aequata var. erecta (Lundell) Lundell -- not accepted
  Chamaesyce albescens (Urb.) Millsp. -- not accepted
  Chamaesyce albicaulis (Rydb.) Rydb. -- not accepted
  Chamaesyce albomarginata (Torr. & A. Gray) Small -- not accepted -- rattlesnake weed, whitemargin euphorbia, whitemargin sandmat, whitemargin spurge
  Chamaesyce alsiniflora (Baill.) D.C. Hassall -- not accepted
  Chamaesyce ammannioides (Kunth) Small -- not accepted
  Chamaesyce ammatotricha (Boiss.) Millsp. -- not accepted
  Chamaesyce amoena (Klotzsch & Garcke) Millsp. -- not accepted
  Chamaesyce amplexicaulis (Hook. f.) D.G. Burch -- not accepted
  Chamaesyce andromedae (Millsp.) Millsp. -- not accepted
  Chamaesyce anegadensis Millsp. -- not accepted
  Chamaesyce angusta (Engelm.) Small -- not accepted -- blackfoot sandmat
  Chamaesyce anisopetala Prokh. -- not accepted
  Chamaesyce anthonyi (Brandegee) G.A. Levin -- not accepted
  Chamaesyce anychioides (Boiss.) Millsp. -- not accepted
  Chamaesyce apatzingana (McVaugh) McVaugh -- not accepted
  Chamaesyce arabica (Hochst. & Steud. ex Anderson) Soják -- not accepted
  Chamaesyce arenicola (Parish) Millsp. -- not accepted
  Chamaesyce arequipensis Croizat -- not accepted
  Chamaesyce arizonica (Engelm.) Arthur -- not accepted -- Arizona sandmat
  Chamaesyce arnottiana (Endl.) O. Deg., I. Deg. & Croizat -- not accepted -- `akoko
  Chamaesyce articulata (Burm.) Britton -- not accepted -- jointed sandmat
  Chamaesyce astyla (Engelm. ex Boiss.) Millsp. -- not accepted -- alkali sandmat
  Chamaesyce atoto (G. Forst.) Croizat -- not accepted
  Chamaesyce atoto f. minor (Boiss.) Hurus. -- not accepted
  Chamaesyce atrococca (A. Heller) Croizat & O. Deg. -- not accepted -- koko
  Chamaesyce aureola Millsp. -- not accepted
  Chamaesyce auricularia (Boiss.) V.S. Raju & P.N. Rao -- not accepted
  Chamaesyce australis (Boiss.) D.C. Hassall -- not accepted
  Chamaesyce bahiensis (Klotzsch & Garcke) Dugand & D.G. Burch -- not accepted
  Chamaesyce balakrishnanii (Binojk. & Gopalan) V.S. Raju -- not accepted
  Chamaesyce balbisii (Boiss.) Millsp. -- not accepted
  Chamaesyce barberoana Croizat -- not accepted
  Chamaesyce barbicarina Millsp. -- not accepted
  Chamaesyce bartolomaei (Greene) Millsp. -- not accepted
  Chamaesyce berteroana (Balb. ex Spreng.) Millsp. -- not accepted -- Bertero's sandmat
  Chamaesyce biconvexa (Domin) D.C. Hassall -- not accepted
  Chamaesyce bifida (Hook. & Arn.) T. Kuros. -- not accepted
  Chamaesyce bindloensis (A. Stewart) D.G. Burch -- not accepted
  Chamaesyce biramensis (Urb.) Alain -- not accepted
  Chamaesyce blodgettii (Engelm. ex Hitchc.) Small -- not accepted -- limestone sandmat
  Chamaesyce boliviana (Rusby) Croizat -- not accepted
  Chamaesyce bombensis (Jacq.) Dugand -- not accepted -- Dixie sandmat
  Chamaesyce bracei (Millsp.) Millsp. -- not accepted
  Chamaesyce brachypoda Small -- not accepted
  Chamaesyce brandegeei (Millsp.) Millsp. -- not accepted
  Chamaesyce brasiliensis (Lam.) Small -- not accepted
  Chamaesyce brittonii (Millsp.) Millsp. -- not accepted
  Chamaesyce bruntii Proctor -- not accepted
  Chamaesyce bryophylla (Donn. Sm.) Millsp. -- not accepted
  Chamaesyce burmanica (Hook. f.) Soják -- not accepted
  Chamaesyce buxifolia (Lam.) Small -- not accepted
  Chamaesyce caecorum (Mart. ex Boiss.) Croizat -- not accepted
  Chamaesyce camagueyensis Millsp. -- not accepted
  Chamaesyce canescens (L.) Prokh. -- not accepted
  Chamaesyce canescens ssp. glabra (Roep.) Soják -- not accepted
  Chamaesyce canescens ssp. massiliensis (DC.) Soják -- not accepted
  Chamaesyce capillaris (Gagnep.) Soják -- not accepted
  Chamaesyce capitellata (Engelm.) Millsp. -- not accepted -- head sandmat
  Chamaesyce carissoides (F.M. Bailey) D.C. Hassall ex P.I. Forst. & R.J.F. Hend. -- not accepted
  Chamaesyce carmenensis (Rose) Millsp. -- not accepted
  Chamaesyce carunculata (Waterf.) Shinners -- not accepted -- sanddune sandmat
  Chamaesyce catamarcensis Croizat -- not accepted
  Chamaesyce cayensis (Millsp.) Millsp. -- not accepted
  Chamaesyce celastroides (Boiss.) Croizat & O. Deg. -- not accepted -- `ekoko
  Chamaesyce celastroides var. laehiensis (O. Deg., I. Deg. & Sherff) Koutnik -- not accepted -- `ekoko
  Chamaesyce celastroides var. nelsonii (H. St. John) V.S. Raju & P.N. Rao -- not accepted
  Chamaesyce celastroides var. tomentella (Boiss.) Koutnik -- not accepted -- `ekoko
  Chamaesyce centralis (B.G. Thomson) P.I. Forst. & R.J.F. Hend. -- not accepted
  Chamaesyce centunculoides (Kunth) Millsp. -- not accepted
  Chamaesyce chaetocalyx (Boiss.) Wooton & Standl. -- not accepted -- bristlecup sandmat
  Chamaesyce chaetocalyx var. triligulata (L.C. Wheeler) Mayfield -- not accepted -- bristlecup sandmat, three-tongued spurge
  Chamaesyce chalicophila (Weath.) Millsp. -- not accepted
  Chamaesyce chamaecaula (Weath.) Millsp. -- not accepted
  Chamaesyce chamaerrhodos (Boiss.) Croizat -- not accepted
  Chamaesyce chamaesyce (L.) Hurus. -- not accepted
  Chamaesyce chamaesycoides (B. Nord.) Koutnik -- not accepted
  Chamaesyce chamissonis (Klotzsch & Garcke) F.C. Ho -- not accepted
  Chamaesyce chiogenes Small -- not accepted
  Chamaesyce cinerascens (Engelm.) Small -- not accepted -- ashy sandmat
  Chamaesyce clarkeana (Hook. f.) Soják -- not accepted
  Chamaesyce clusiifolia (Hook. & Arn.) Arthur -- not accepted -- forest sandmat
  Chamaesyce coccinea (B. Heyne ex Roth) Soják -- not accepted
  Chamaesyce coghlanii (F.M. Bailey) D.C. Hassall ex P.I. Forst. & R.J.F. Hend. -- not accepted
  Chamaesyce concanensis (Janarth. & S.R. Yadav) V.S. Raju -- not accepted
  Chamaesyce conferta Small -- not accepted -- Everglade Key sandmat
  Chamaesyce conjuncta (Millsp.) Millsp. -- not accepted
  Chamaesyce consanguinea Millsp. -- not accepted
  Chamaesyce cordata (Klotzsch & Garcke) Arthur -- not accepted
  Chamaesyce cordifolia (Elliott) Small -- not accepted -- heartleaf sandmat
  Chamaesyce corrigioloides (Boiss.) Soják -- not accepted
  Chamaesyce coudercii (Gagnep.) Soják -- not accepted
  Chamaesyce cowellii Millsp. ex Britton -- not accepted -- Cowell's sandmat
  Chamaesyce cozumelensis (Millsp.) Millsp. -- not accepted
  Chamaesyce crassinodis (Urb.) Millsp. -- not accepted
  Chamaesyce crepitata (L.C. Wheeler) Mayfield -- not accepted
  Chamaesyce crepitata var. longa (M.C. Johnst.) Mayfield -- not accepted
  Chamaesyce cristata (B. Heyne ex Roth) G.L. Webster -- not accepted
  Chamaesyce cumbrae (Boiss.) Millsp. -- not accepted
  Chamaesyce cumulicola Small -- not accepted -- coastal dune sandmat
  Chamaesyce dallachyana (Baill.) D.C. Hassall -- not accepted
  Chamaesyce degeneri (Sherff) Croizat & O. Deg. -- not accepted -- beach sandmat
  Chamaesyce deltoidea (Engelm. ex Chapm.) Small -- not accepted -- wedge sandmat
  Chamaesyce deltoidea ssp. adhaerens (Small) A. Herndon -- not accepted
  Chamaesyce deltoidea ssp. deltoidea (Engelm. ex Chapm.) Small -- not accepted -- deltoid spurge, wedge sandmat
  Chamaesyce deltoidea ssp. pinetorum (Small) A. Herndon -- not accepted -- Pineland sandmat, wedge sandmat
  Chamaesyce deltoidea ssp. serpyllum (Small) D.G. Burch -- not accepted -- Pineland sandmat, wedge sandmat
  Chamaesyce deltoidea var. adhaerens (Small) D.G. Burch -- not accepted
  Chamaesyce densiflora (Klotzsch & Garcke) Millsp. -- not accepted
  Chamaesyce deppeana (Boiss.) Millsp. -- not accepted -- `akoko, Oahu sandmat
  Chamaesyce dioeca (Kunth) Millsp. -- not accepted -- royal sandmat
  Chamaesyce dorsiventralis (Urb.) Millsp. -- not accepted
  Chamaesyce drummondii (Boiss.) Soják -- not accepted
  Chamaesyce duckei Croizat -- not accepted
  Chamaesyce eichleri (Müll. Arg.) Croizat -- not accepted
  Chamaesyce eleanoriae Lorence & W.L. Wagner -- not accepted -- akoko, Na Pali sandmat
  Chamaesyce elegans (Spreng.) Soják -- not accepted
  Chamaesyce emarginata (Klotzsch & Garcke) Croizat -- not accepted
  Chamaesyce emodi (Hook. f.) Soják -- not accepted
  Chamaesyce engelmannii (Boiss.) Soják -- not accepted
  Chamaesyce erecta Lunell -- not accepted
  Chamaesyce erythroclada (Boiss.) Soják -- not accepted
  Chamaesyce exstipulata (Engelm.) Rydb. -- not accepted
  Chamaesyce exumensis Millsp. -- not accepted
  Chamaesyce eylesii (Rendle) Koutnik -- not accepted
  Chamaesyce feddemae (McVaugh) McVaugh -- not accepted
  Chamaesyce fendleri (Torr. & A. Gray) Small -- not accepted -- Fendler's sandmat
  Chamaesyce fendleri var. chaetocalyx (Boiss.) Shinners -- not accepted
  Chamaesyce fendleri var. triligulata (L.C. Wheeler) Shinners -- not accepted
  Chamaesyce festiva (Sherff) Croizat & O. Deg. -- not accepted
  Chamaesyce filicaulis (Urb.) Alain -- not accepted
  Chamaesyce filipes (Benth.) D.C. Hassall -- not accepted
  Chamaesyce fimbriata R.R. Rao & Razi -- not accepted
  Chamaesyce fimbriata ssp. burmanica (Panigrahi) K.S. Rao & M.N.V. Prasad -- not accepted
  Chamaesyce flagelliformis (Engelm.) Rydb. -- not accepted
  Chamaesyce floribunda (Engelm. ex Boiss.) Millsp. -- not accepted
  Chamaesyce florida (Engelm.) Millsp. -- not accepted -- Chiricahua Mountain sandmat
  Chamaesyce forbesii (Sherff) Croizat & O. Deg. -- not accepted
  Chamaesyce fosbergii J. Florence -- not accepted
  Chamaesyce fruticulosa (Engelm. ex Boiss.) Millsp. -- not accepted
  Chamaesyce fruticulosa var. hirtella (M.C. Johnst.) Mayfield -- not accepted
  Chamaesyce galapageia (B.L. Rob. & Greenm.) D.G. Burch -- not accepted
  Chamaesyce garanbiensis (Hayata) H. Hara -- not accepted
  Chamaesyce garberi (Engelm. ex Chapm.) Small -- not accepted -- Garber's sandmat, Garber's spurge
  Chamaesyce garheana (Boiss.) Millsp. -- not accepted
  Chamaesyce gemella (Lag.) Small -- not accepted
  Chamaesyce geyeri (Engelm.) Small -- not accepted -- Geyer's sandmat, Geyer's spurge
  Chamaesyce geyeri var. wheeleriana (Warnock & M.C. Johnst.) Mayfield -- not accepted -- Geyer's sandmat
  Chamaesyce glanduligera (Pax) Koutnik -- not accepted
  Chamaesyce glaucescens (Willd.) V.S. Raju -- not accepted
  Chamaesyce glaucophylla (Poir.) Croizat -- not accepted
  Chamaesyce glomerifera Millsp. -- not accepted
  Chamaesyce glyptosperma (Engelm.) Small -- not accepted -- rib-seed sandmat, ribseed sandmat, ridgeseed spurge
  Chamaesyce glyptosperma var. integrata Lunell -- not accepted
  Chamaesyce glyptosperma var. pubescens (Boiss.) Millsp. -- not accepted
  Chamaesyce golondrina (L.C. Wheeler) Shinners -- not accepted -- boquillas sandmat, swallow spurge
  Chamaesyce gooddingii Millsp. -- not accepted
  Chamaesyce gracillima (S. Watson) Millsp. -- not accepted -- Mexican sandmat
  Chamaesyce grammata McVaugh -- not accepted
  Chamaesyce granulata (Forssk.) Soják -- not accepted
  Chamaesyce granulata var. dentata (N.E. Br.) V.S. Raju & P.N. Rao -- not accepted
  Chamaesyce granulata var. glabrata (J. Gay) V.S. Raju & P.N. Rao -- not accepted
  Chamaesyce granulata var. turcomanica (Boiss.) V.S. Raju & P.N. Rao -- not accepted
  Chamaesyce greenei (Millsp.) Rydb. -- not accepted
  Chamaesyce grisea (Engelm. ex Boiss.) Millsp. -- not accepted
  Chamaesyce gundlachii (Urb.) Alain -- not accepted
  Chamaesyce gymnadenia (Urb.) Millsp. -- not accepted
  Chamaesyce halemanui (Sherff) Croizat & O. Deg. -- not accepted -- Kauai sandmat
  Chamaesyce halophila (Miq.) Croizat -- not accepted
  Chamaesyce harmandii (Gagnep.) Soják -- not accepted
  Chamaesyce hartwegiana (Boiss.) Small -- not accepted
  Chamaesyce hassleriana (Chodat) Soják -- not accepted
  Chamaesyce helwigii (Urb. & Ekman) D.G. Burch -- not accepted
  Chamaesyce hepatica (Urb. & Ekman) D.G. Burch -- not accepted
  Chamaesyce herbstii W.L. Wagner -- not accepted -- `akoko, Herbst's sandmat
  Chamaesyce heyneana (Spreng.) Soják -- not accepted
  Chamaesyce heyneana ssp. galioides (Boiss.) V.S. Raju & P.N. Rao -- not accepted
  Chamaesyce heyneana ssp. heyneana (Spreng.) Soják -- not accepted
  Chamaesyce heyneana ssp. nilagirica (Miq.) V.S. Raju & P.N. Rao -- not accepted
  Chamaesyce hillebrandii (H. Lév.) Croizat & O. Deg. -- not accepted
  Chamaesyce hirsuta (Torr.) Arthur -- not accepted
  Chamaesyce hirta (L.) Millsp. -- not accepted -- pill-pod sandmat, pillpod sandmat
  Chamaesyce hirta f. glaberrima (Koidz.) Hurus. -- not accepted
  Chamaesyce hirta f. litoralis Hurus. -- not accepted
  Chamaesyce hirta ssp. procumbens (Boiss.) Croizat -- not accepted
  Chamaesyce hirta var. glaberrima (Koidz.) H. Hara -- not accepted
  Chamaesyce hirta var. laeticincta Croizat -- not accepted
  Chamaesyce hirta var. procumbens (Boiss.) Moldenke -- not accepted
  Chamaesyce hirtella (Boiss.) Croizat -- not accepted
  Chamaesyce hirtula (Engelm. ex S. Watson) Millsp. -- not accepted
  Chamaesyce hispida (Boiss.) V.S. Raju & P.N. Rao -- not accepted
  Chamaesyce hookeri (Steud.) Arthur -- not accepted
  Chamaesyce hooveri (L.C. Wheeler) Koutnik -- not accepted -- Hoover's sandmat, Hoover's spurge
  Chamaesyce hsinchuensis S.C. Lin & S.M. Chaw -- not accepted
  Chamaesyce humifusa (Willd.) Prokh. -- not accepted
  Chamaesyce humifusa f. glabra (H. Hara) Hurus. -- not accepted
  Chamaesyce humifusa f. pilosa (H. Hara) Hurus. -- not accepted
  Chamaesyce humifusa var. glabra (C.A. Mey.) H. Hara -- not accepted
  Chamaesyce humifusa var. pilosa (C.A. Mey.) H. Hara -- not accepted
  Chamaesyce humifusa var. pseudochamaesyce (Fisch. & C.A. Mey.) Hurus. -- not accepted
  Chamaesyce humistrata (Engelm. ex A. Gray) Small -- not accepted -- spreading sandmat
  Chamaesyce hunzikeri (Subils) Holub -- not accepted
  Chamaesyce hypericifolia (L.) Millsp. -- not accepted -- graceful sandmat, graceful spurge
  Chamaesyce hyssopifolia (L.) Small -- not accepted -- hyssop spurge, hyssopleaf sandmat, leafy spurge
  Chamaesyce inaequalis (Klotzsch & Garcke) Millsp. -- not accepted
  Chamaesyce inaequilatera (Sond.) Soják -- not accepted
  Chamaesyce inappendiculata (Domin) D.C. Hassall -- not accepted
  Chamaesyce incerta (Brandegee) Millsp. -- not accepted
  Chamaesyce indica (Lam.) Croizat -- not accepted
  Chamaesyce indivisa (Engelm.) Millsp. -- not accepted
  Chamaesyce ingallsii Small -- not accepted
  Chamaesyce insulisalis Millsp. -- not accepted
  Chamaesyce interaxillaris (Fernald) Millsp. -- not accepted
  Chamaesyce intermixta (S. Watson) Millsp. -- not accepted
  Chamaesyce involuta (Millsp.) Millsp. -- not accepted
  Chamaesyce jamesonii (Boiss.) G.L. Webster -- not accepted
  Chamaesyce jejuna (M.C. Johnst. & Warnock) Shinners -- not accepted -- dwarf sandmat
  Chamaesyce jenningsii Millsp. ex Britton -- not accepted
  Chamaesyce jodhpurensis (Blatt. & Hallb.) V.S. Raju & P.N. Rao -- not accepted
  Chamaesyce johnstonii (Mayfield) Mayfield -- not accepted
  Chamaesyce jonesii (Millsp.) Millsp. -- not accepted
  Chamaesyce jovetii (Huguet) Holub -- not accepted
  Chamaesyce karwinskyi (Boiss.) Millsp. -- not accepted
  Chamaesyce katrajensis (Gage) Soják -- not accepted
  Chamaesyce katrajensis var. kasaragodensis (V.J. Nair, Binojk. & R. Ansari) V.S. Raju -- not accepted
  Chamaesyce koerneriana (Allem & Irgang) V.S. Raju & P.N. Rao -- not accepted
  Chamaesyce kuriensis (Vierh.) Soják -- not accepted
  Chamaesyce kuwaleana (O. Deg. & Sherff) O. Deg. & I. Deg. -- not accepted -- `akoko, kokomalei
  Chamaesyce laciniata (Panigrahi) V.S. Raju & P.N. Rao -- not accepted
  Chamaesyce laciniata ssp. burmanica (Panigrahi) V.S. Raju & P.N. Rao -- not accepted
  Chamaesyce lansingii Millsp. -- not accepted
  Chamaesyce laredana (Millsp.) Small -- not accepted -- Laredo sandmat
  Chamaesyce lasiocarpa (Klotzsch) Arthur -- not accepted -- roadside sandmat
  Chamaesyce lata (Engelm.) Small -- not accepted -- hoary sandmat, hoary spurge
  Chamaesyce lawsonii (Binojk. & Dwarakan) V.S. Raju -- not accepted
  Chamaesyce lecheoides (Millsp.) Millsp. -- not accepted
  Chamaesyce lecheoides var. exumensis (Millsp.) D.G. Burch -- not accepted
  Chamaesyce lecheoides var. wilsonii (Millsp.) D.G. Burch -- not accepted
  Chamaesyce leonardii D.G. Burch -- not accepted
  Chamaesyce leucantha (Klotzsch & Garcke) Millsp. -- not accepted
  Chamaesyce leucophylla (Benth.) Millsp. -- not accepted
  Chamaesyce levis (Poir.) Croizat -- not accepted
  Chamaesyce liliputiana (C. Wright ex Urb.) Millsp. -- not accepted
  Chamaesyce linearifolia Soják -- not accepted
  Chamaesyce linearifolia var. nallamalayana (J.L. Ellis) V.S. Raju & P.N. Rao -- not accepted
  Chamaesyce linearis (Retz.) Millsp. -- not accepted
  Chamaesyce lineata (S. Watson) Millsp. -- not accepted
  Chamaesyce linguiformis (McVaugh) McVaugh -- not accepted
  Chamaesyce linguiformis var. actinadenia McVaugh -- not accepted
  Chamaesyce lissosperma (S. Carter) Soják -- not accepted
  Chamaesyce liukiuensis (Hayata) H. Hara -- not accepted
  Chamaesyce livida (E. Mey. ex Boiss.) Koutnik -- not accepted
  Chamaesyce longeramosa (S. Watson) Millsp. -- not accepted
  Chamaesyce longinsulicola (S.R. Hill) V.S. Raju & P.N. Rao -- not accepted
  Chamaesyce longistyla (Boiss.) Croizat -- not accepted
  Chamaesyce lorentzii (Müll. Arg.) Croizat -- not accepted
  Chamaesyce lorifolia (A. Gray ex H. Mann) Croizat & O. Deg. -- not accepted
  Chamaesyce luisensis Millsp. -- not accepted
  Chamaesyce lutulenta Croizat -- not accepted
  Chamaesyce luzoniensis (Merr.) Soják -- not accepted
  Chamaesyce macgillivrayi (Boiss.) D.C. Hassall -- not accepted
  Chamaesyce magdalenae (Benth.) Millsp. -- not accepted
  Chamaesyce makinoi (Hayata) H. Hara -- not accepted
  Chamaesyce makinoi var. liukiuensis (Hayata) Hurus. -- not accepted
  Chamaesyce malaca Small -- not accepted
  Chamaesyce mangletii (Urb.) Alain -- not accepted
  Chamaesyce marayensis (Subils) Holub -- not accepted
  Chamaesyce maritima Gray -- not accepted
  Chamaesyce massiliensis (DC.) Galushko -- not accepted
  Chamaesyce mathewsii Small -- not accepted
  Chamaesyce mauritiana Comm. ex Denis -- not accepted
  Chamaesyce melanadenia (Torr. & A. Gray) Millsp. -- not accepted -- prostrate spurge, red-gland spurge, squaw sandmat
  Chamaesyce melanocarpa (Boiss.) G.L. Webster -- not accepted
  Chamaesyce mendezii (Boiss.) Millsp. -- not accepted -- Mendez's sandmat
  Chamaesyce mertonii (Fosberg) Soják -- not accepted
  Chamaesyce mesembrianthemifolia (Jacq.) Dugand -- not accepted -- coastal beach sandmat
  Chamaesyce meyeniana (Klotzsch) Croizat -- not accepted
  Chamaesyce micradenia (Boiss.) D.C. Hassall -- not accepted
  Chamaesyce microcephala (Boiss.) Croizat -- not accepted
  Chamaesyce microclada (Urb.) Alain -- not accepted
  Chamaesyce micromera (Boiss. ex Engelm.) Wooton & Standl. -- not accepted -- desert spurge, Sonoran sandmat
  Chamaesyce microphylla (Lam.) Soják -- not accepted
  Chamaesyce minbuensis (Gage) Soják -- not accepted
  Chamaesyce minutula (Boiss.) D.G. Burch -- not accepted
  Chamaesyce missurica (Raf.) Shinners -- not accepted -- Missouri spurge, prairie sandmat
  Chamaesyce missurica var. calcicola Shinners -- not accepted
  Chamaesyce missurica var. petaloidea (Engelm.) Dorn -- not accepted
  Chamaesyce mitchelliana (Boiss.) D.C. Hassall -- not accepted
  Chamaesyce mitchelliana var. hirta (Boiss.) D.C. Hassall -- not accepted
  Chamaesyce monensis Millsp. -- not accepted
  Chamaesyce montana Alain -- not accepted
  Chamaesyce mosieri Small -- not accepted
  Chamaesyce mossambicensis (Klotzsch & Garcke) Koutnik -- not accepted
  Chamaesyce multiformis (Gaudich. ex Hook. & Arn.) Croizat & O. Deg. -- not accepted -- variable sandmat
  Chamaesyce multinodis (Urb.) Millsp. -- not accepted
  Chamaesyce myrtillifolia (L.) Millsp. -- not accepted
  Chamaesyce myrtoides (Boiss.) D.C. Hassall -- not accepted
  Chamaesyce nana (Klotzsch & Garcke) M.P. Simmons & W.J. Hayden -- not accepted
  Chamaesyce neomexicana (Greene) Standl. -- not accepted
  Chamaesyce neopolycnemoides (Pax & K. Hoffm.) Koutnik -- not accepted
  Chamaesyce niqueroana (Urb.) Alain -- not accepted
  Chamaesyce nirurioides Millsp. -- not accepted
  Chamaesyce notoptera (Boiss.) Soják -- not accepted
  Chamaesyce nummularia (Hook. f.) D.G. Burch -- not accepted
  Chamaesyce nummularia var. glabra (B.L. Rob. & Greenm.) D.G. Burch -- not accepted
  Chamaesyce nutans (Lag.) Small -- not accepted -- eyebane, nodding spurge, spotted sandmat, spotted spurge
  Chamaesyce nuttallii (Engelm.) Small -- not accepted
  Chamaesyce obliqua (F.A. Bauer ex Endl.) J. Florence -- not accepted
  Chamaesyce occidentalis (Drew) Millsp. -- not accepted
  Chamaesyce ocellata (Durand & Hilg.) Millsp. -- not accepted -- Contura Creek sandmat, valley spurge
  Chamaesyce ocellata ssp. arenicola (Parish) Thorne -- not accepted -- Contura Creek sandmat
  Chamaesyce ocellata ssp. ocellata (Durand & Hilg.) Millsp. -- not accepted -- Contura Creek sandmat
  Chamaesyce ocellata ssp. rattanii (S. Watson) Koutnik -- not accepted -- Rattan's sandmat
  Chamaesyce ocellata var. arenicola (Parish) N.H. Holmgren & P.K. Holmgren -- not accepted
  Chamaesyce olowaluana (Sherff) Croizat & O. Deg. -- not accepted -- alpine sandmat
  Chamaesyce ophiolitica P.I. Forst. -- not accepted
  Chamaesyce ophthalmica (Pers.) D.G. Burch -- not accepted -- Florida hammock sandmat
  Chamaesyce oranensis Croizat -- not accepted
  Chamaesyce orbiculata (Kunth) Soják -- not accepted
  Chamaesyce orbiculata ssp. galioides (Boiss.) Soják -- not accepted
  Chamaesyce orbiculata ssp. nilagirica (Miq.) Soják -- not accepted
  Chamaesyce orbifolia Alain -- not accepted -- Mona Island sandmat
  Chamaesyce ovalifolia (Engelm. ex Klotzsch) Croizat -- not accepted
  Chamaesyce pachypoda (Urb.) Alain -- not accepted
  Chamaesyce pallens (Dillwyn) V.S. Raju -- not accepted
  Chamaesyce parannaquensis (Blanco) H. Hara -- not accepted
  Chamaesyce parciflora (Urb.) D.G. Burch -- not accepted
  Chamaesyce paredonensis Millsp. -- not accepted
  Chamaesyce parishii (Greene) Millsp. ex Parish -- not accepted -- Parish's sandmat, Parish's spurge
  Chamaesyce parryi (Engelm.) Rydb. -- not accepted -- Parry's sandmat, Parry's spurge
  Chamaesyce parviflora (L.) Soják -- not accepted
  Chamaesyce paucipila (Urb.) Millsp. -- not accepted
  Chamaesyce pediculifera (Engelm.) Rose & Standl. -- not accepted -- Carrizo Mountain sandmat
  Chamaesyce pekinensis var. glaberrima (Koidz.) Makino & Nemoto -- not accepted
  Chamaesyce peplis (L.) Prokh. -- not accepted
  Chamaesyce perennans Shinners -- not accepted -- perennial sandmat, perennial spurge
  Chamaesyce pergamena (Small) Small -- not accepted
  Chamaesyce pergracilis (P.G. Mey.) Koutnik -- not accepted
  Chamaesyce perlignea (McVaugh) G.L. Webster -- not accepted
  Chamaesyce petala (Ewart & L.R. Kerr) P.I. Forst. & R.J.F. Hend. -- not accepted
  Chamaesyce petaloidea (Engelm.) Small -- not accepted
  Chamaesyce petrina (S. Watson) Millsp. -- not accepted
  Chamaesyce picachensis (Brandegee) Millsp. -- not accepted
  Chamaesyce pileoides (Millsp.) Millsp. -- not accepted
  Chamaesyce pilosula (Engelm. ex Boiss.) Arthur -- not accepted
  Chamaesyce pilulifera (L.) Small -- not accepted
  Chamaesyce pilulifera var. glaberrima (Koidz.) H. Hara -- not accepted
  Chamaesyce pilulifera var. procumbens (Boiss.) Small -- not accepted
  Chamaesyce pinariona (Urb.) Alain -- not accepted
  Chamaesyce platysperma (Engelm. ex S. Watson) Shinners -- not accepted -- flat-seed sandmat, flat-seeded spurge, flatseed sandmat
  Chamaesyce podadenia (Boiss.) Millsp. -- not accepted
  Chamaesyce polycarpa (Benth.) Millsp. -- not accepted -- manyfruit spurge, small-seed sandmat, smallseed sandmat
  Chamaesyce polycarpa var. hirtella (Boiss.) Millsp. -- not accepted -- smallseed sandmat
  Chamaesyce polycarpa var. simulans (L.C. Wheeler) Shinners -- not accepted
  Chamaesyce polyclada (Boiss.) Small -- not accepted
  Chamaesyce polycnemoides (Hochst. ex Boiss.) Soják -- not accepted
  Chamaesyce polygonifolia (L.) Small -- not accepted -- chamésyce à feuilles de renouée, seaside sandmat, seaside spurge
  Chamaesyce pondii (Millsp.) Millsp. -- not accepted
  Chamaesyce porteriana Small -- not accepted -- Porter's sandmat
  Chamaesyce porteriana var. keyensis (Small) D.G. Burch -- not accepted
  Chamaesyce porteriana var. scoparia (Small) D.G. Burch -- not accepted -- Porter's sandmat
  Chamaesyce portoricensis (Urb.) Millsp. -- not accepted
  Chamaesyce portucasadiana Croizat -- not accepted
  Chamaesyce portulana (S. Watson) Millsp. -- not accepted
  Chamaesyce potentilloides (Boiss.) Croizat -- not accepted
  Chamaesyce potosina (Fernald) Arthur -- not accepted
  Chamaesyce preslii (Guss.) Arthur -- not accepted
  Chamaesyce prieuriana (Baill.) Soják -- not accepted
  Chamaesyce proctorii D.G. Burch -- not accepted
  Chamaesyce prostrata (Aiton) Small -- not accepted -- blue weed, ground spurge, prostrate sandmat, prostrate spurge
  Chamaesyce psammogeton (P.S. Green) P.I. Forst. & R.J.F. Hend. -- not accepted
  Chamaesyce pseudonutans Thell. -- not accepted
  Chamaesyce pseudoserpyllifolia (Millsp.) Millsp. -- not accepted
  Chamaesyce puberula (Fernald) Millsp. -- not accepted
  Chamaesyce punctulata (Andersson) D.G. Burch -- not accepted
  Chamaesyce purisimana (Millsp.) Millsp. -- not accepted
  Chamaesyce pycnanthema (Engelm.) Millsp. -- not accepted
  Chamaesyce pycnostegia (Boiss.) Soják -- not accepted
  Chamaesyce quitensis (Boiss.) G.L. Webster -- not accepted
  Chamaesyce radicans (Engelm. ex Boiss.) Millsp. -- not accepted
  Chamaesyce radioloides (Boiss.) Millsp. -- not accepted
  Chamaesyce rafinesquei (Greene) A. Heller -- not accepted
  Chamaesyce ramosa (Seaton) Millsp. -- not accepted
  Chamaesyce rattanii (S. Watson) Millsp. -- not accepted
  Chamaesyce reconciliationis (Radcl.-Sm.) Soják -- not accepted
  Chamaesyce recurva (Hook. f.) D.G. Burch -- not accepted
  Chamaesyce remyi (A. Gray ex Boiss.) Croizat & O. Deg. -- not accepted -- Remy's sandmat
  Chamaesyce reniformis (Blume) Soják -- not accepted
  Chamaesyce revoluta (Engelm.) Small -- not accepted -- thread-stem sandmat, threadstem sandmat, threadstem spurge
  Chamaesyce rhytisperma (Klotzsch & Garcke) Soják -- not accepted
  Chamaesyce riebeckii (Pax) Soják -- not accepted
  Chamaesyce rochaensis Croizat -- not accepted
  Chamaesyce rockii (C.N. Forbes) Croizat & O. Deg. -- not accepted -- `akoko, Koolau Range sandmat
  Chamaesyce rockii var. grandifolia (Hillebr.) Koutnik -- not accepted
  Chamaesyce rosea (Retz.) G.L. Webster -- not accepted
  Chamaesyce rosei Millsp. -- not accepted
  Chamaesyce rothrockii Millsp. -- not accepted
  Chamaesyce rubida (Greenm.) Millsp. -- not accepted
  Chamaesyce rubrosperma (Lotsy) Millsp. -- not accepted
  Chamaesyce rugulosa (Engelm. ex Millsp.) Rydb. -- not accepted
  Chamaesyce ruiziana (Klotzsch & Garcke) G.L. Webster -- not accepted
  Chamaesyce ruizlealii (Subils) Holub -- not accepted
  Chamaesyce rusbyi (Greene) Millsp. -- not accepted
  Chamaesyce rutilis Millsp. -- not accepted
  Chamaesyce sachetiana J. Florence -- not accepted
  Chamaesyce salsuginosa McVaugh -- not accepted
  Chamaesyce sanmartensis (Rusby) Dugand -- not accepted
  Chamaesyce schlechteri (Pax) Koutnik -- not accepted
  Chamaesyce schultzii (Benth.) D.C. Hassall -- not accepted
  Chamaesyce scoparia Small -- not accepted
  Chamaesyce scopulorum (Brandegee) Millsp. -- not accepted
  Chamaesyce scopulorum var. inornata (M.C. Johnst.) V.S. Raju & P.N. Rao -- not accepted
  Chamaesyce scopulorum var. nuda (M.C. Johnst.) V.S. Raju & P.N. Rao -- not accepted
  Chamaesyce scordiifolia (Jacq.) Croizat -- not accepted
  Chamaesyce sebastinei (Binojk. & N.P. Balakr.) V.S. Raju -- not accepted
  Chamaesyce seleri (Donn. Sm.) Millsp. -- not accepted
  Chamaesyce selloi (Klotzsch & Garcke) Croizat -- not accepted
  Chamaesyce selloi var. brevisemina Croizat -- not accepted
  Chamaesyce senguptae (N.P. Balakr. & Subr.) V.S. Raju & P.N. Rao -- not accepted
  Chamaesyce serpens (Kunth) Small -- not accepted -- matted sandmat, serpent spurge
  Chamaesyce serpens var. montevidensis Croizat -- not accepted
  Chamaesyce serpyllifolia (Pers.) Small -- not accepted -- thyme-leaf sandmat, thymeleaf sandmat
  Chamaesyce serpyllifolia ssp. hirtella (Engelm. ex S. Watson) Koutnik -- not accepted -- thymeleaf sandmat
  Chamaesyce serpyllifolia ssp. serpyllifolia (Pers.) Small -- not accepted -- thyme-leaf sandmat, thymeleaf sandmat, thymeleaf spurge
  Chamaesyce serpyllum Small -- not accepted
  Chamaesyce serratifolia (S. Carter) Soják -- not accepted
  Chamaesyce serrula (Engelm.) Wooton & Standl. -- not accepted -- saw-tooth sandmat, sawtooth sandmat
  Chamaesyce setiloba (Engelm. ex Torr.) Norton -- not accepted
  Chamaesyce setosa (Boiss.) M.P. Simmons & W.J. Hayden -- not accepted
  Chamaesyce simulans (L.C. Wheeler) Mayfield -- not accepted -- mimicking sandmat, smallseed sandmat
  Chamaesyce sistanica (Dinelli & De Marco) Soják -- not accepted
  Chamaesyce skottsbergii (Sherff) Croizat & O. Deg. -- not accepted -- coastal sandmat
  Chamaesyce skottsbergii var. skottsbergii (Sherff) Croizat & O. Deg. -- not accepted -- coastal sandmat
  Chamaesyce skottsbergii var. vaccinioides (Sherff) Koutnik -- not accepted -- coastal sandmat
  Chamaesyce sparrmanii (Boiss.) Hurus. ex S.C. Lin -- not accepted
  Chamaesyce sparsiflora (A. Heller) Koutnik -- not accepted -- Wahiawa bog sandmat
  Chamaesyce spurca (M.C. Johnst.) B.L. Turner -- not accepted
  Chamaesyce standleyi Millsp. -- not accepted
  Chamaesyce stanfieldii Small -- not accepted
  Chamaesyce stictospora (Engelm.) Small -- not accepted -- slim-seed sandmat, slimseed sandmat, slimseed spurge
  Chamaesyce stictospora var. guadalupensis Small -- not accepted
  Chamaesyce stictospora var. sublaevis (M.C. Johnst.) V.S. Raju & P.N. Rao -- not accepted
  Chamaesyce stictospora var. texensis Fedde -- not accepted
  Chamaesyce stoddartii (Fosberg) Soják -- not accepted
  Chamaesyce sulfurea Millsp. -- not accepted
  Chamaesyce supina (Raf.) Moldenke -- not accepted
  Chamaesyce taihsiensis Chaw & Koutnik -- not accepted
  Chamaesyce tamanduana (Boiss.) M.P. Simmons & W.J. Hayden -- not accepted
  Chamaesyce tamaulipasana Millsp. -- not accepted
  Chamaesyce tashiroi (Hayata) H. Hara -- not accepted
  Chamaesyce tettensis (Klotzsch) Koutnik -- not accepted
  Chamaesyce theriaca (L.C. Wheeler) Shinners -- not accepted -- Terlingua sandmat
  Chamaesyce theriaca var. spurca (M.C. Johnst.) Mayfield -- not accepted
  Chamaesyce thymifolia (L.) Millsp. -- not accepted -- gulf sandmat
  Chamaesyce thymifolia f. suffrutescens (Boiss.) Hurus. -- not accepted
  Chamaesyce tomentulosa (S. Watson) Millsp. -- not accepted
  Chamaesyce tonsita Millsp. -- not accepted
  Chamaesyce torralbasii (Urb.) Millsp. -- not accepted -- Torralbas' sandmat
  Chamaesyce trachysperma (Engelm.) Millsp. -- not accepted -- San Pedro River sandmat
  Chamaesyce tracyi Small -- not accepted
  Chamaesyce trancapatae Croizat -- not accepted
  Chamaesyce trialata Huft -- not accepted
  Chamaesyce triligulata (L.C. Wheeler) B.L. Turner -- not accepted
  Chamaesyce tumistyla D.G. Burch -- not accepted
  Chamaesyce turcomanica (Boiss.) Prokh. -- not accepted
  Chamaesyce turpinii (Boiss.) Millsp. -- not accepted -- Turpin's sandmat
  Chamaesyce umbellulata (Engelm. ex Boiss.) Millsp. -- not accepted
  Chamaesyce urbanii Millsp. -- not accepted
  Chamaesyce vachellii (Hook. & Arn.) H. Hara -- not accepted
  Chamaesyce vaginulata (Griseb.) Millsp. -- not accepted
  Chamaesyce vahlii (Willd. ex Klotzsch & Garcke) P. Wilson -- not accepted
  Chamaesyce vallis-mortae Millsp. -- not accepted -- Death Valley sandmat
  Chamaesyce velleriflora (Klotzsch & Garcke) Millsp. -- not accepted -- Caliche sandmat
  Chamaesyce velligera (S. Schauer) Millsp. -- not accepted
  Chamaesyce vermiculata (Raf.) House -- not accepted -- worm-seed sandmat, wormseed sandmat
  Chamaesyce versicolor (Greene) Norton -- not accepted
  Chamaesyce vestita (Boiss.) Millsp. -- not accepted
  Chamaesyce villifera (Scheele) Small -- not accepted -- hairy sandmat
  Chamaesyce villosior (Greenm.) Millsp. -- not accepted
  Chamaesyce viminea (Hook. f.) D.G. Burch -- not accepted
  Chamaesyce viridula (Cordem. ex Radcl.-Sm.) Soják -- not accepted
  Chamaesyce viscoides (Boiss.) M.P. Simmons & W.J. Hayden -- not accepted
  Chamaesyce vulgaris Prokh. -- not accepted
  Chamaesyce vulgaris ssp. massiliensis (DC.) Benedí & Orell -- not accepted
  Chamaesyce watsonii (Millsp.) Millsp. -- not accepted
  Chamaesyce wheeleri (Baill.) D.C. Hassall -- not accepted
  Chamaesyce wightiana (Hook. f.) V.S. Raju & P.N. Rao -- not accepted
  Chamaesyce wilsonii Millsp. -- not accepted
  Chamaesyce X keyensis Small -- not accepted -- Key's sandmat
  Chamaesyce yayalesia (Urb.) Alain -- not accepted
  Chamaesyce yucatanensis Millsp. -- not accepted
  Chamaesyce zambesiana (Benth.) Koutnik -- not accepted
  Chamaesyce zornioides (Boiss.) Soják -- not accepted
  Chamaesyce zygophylloides (Boiss.) Small -- not accepted
  Characias Gray -- not accepted
  Characias amygdaloides (L.) Gray -- not accepted
  Characias purpurea Gray -- not accepted
  Chiropetalum A. Juss. -- accepted
  Chiropetalum quinquecuspidatum (A. Juss.) Pax & K. Hoffm. -- accepted
  Chiropetalum ruizianum Pax & K. Hoffm. -- accepted
  Chiropetalum tricuspidatum (Lam.) A. Juss. -- accepted
  Chrozophora A. Juss. -- accepted
  Chrozophora brocchiana (Vis.) Schweinf. -- accepted
  Chrozophora oblongifolia (Delile) A. Juss. ex Spreng. -- accepted
  Chrozophora plicata (Vahl) A. Juss. ex Spreng. -- accepted
  Chrozophora senegalensis (Lam.) Spreng. -- accepted
  Chrozophora tinctoria (L.) A. Juss. ex Spreng. -- accepted -- giradol
  Chylogala Fourr. -- not accepted
  Chylogala serrata (L.) Fourr. -- not accepted
  Cieca ackermanniana (Müll. Arg.) Kuntze -- not accepted
  Cieca argentea (L.) Kuntze -- not accepted
  Cieca conspurcata (Schltdl.) Kuntze -- not accepted
  Cieca decaloba (Müll. Arg.) Kuntze -- not accepted
  Cieca doratophylla (Baill.) Kuntze -- not accepted
  Cieca fuscescens (Spreng.) Kuntze -- not accepted
  Cieca gardneri (Müll. Arg.) Kuntze -- not accepted
  Cieca geraesensis (Baill.) Kuntze -- not accepted
  Cieca hondensis (H. Karst.) Kuntze -- not accepted
  Cieca humilis (Didr.) Kuntze -- not accepted
  Cieca lanceolata (Klotzsch ex Müll. Arg.) Kuntze -- not accepted
  Cieca microcalyx (Müll. Arg.) Kuntze -- not accepted
  Cieca montevidensis (Klotzsch ex Baill.) Kuntze -- not accepted
  Cieca nervosa (Baill.) Kuntze -- not accepted
  Cieca peruviana (Müll. Arg.) Kuntze -- not accepted
  Cieca pycnophyllus (Schltdl. ex Müll. Arg.) Kuntze -- not accepted
  Cieca riedeliana (Müll. Arg.) Kuntze -- not accepted
  Cieca solanacea (Müll. Arg.) Kuntze -- not accepted
  Cieca triquetra (Lam.) Kuntze -- not accepted
  Cieca verbascifolia (Klotzsch ex Baill.) Kuntze -- not accepted
  Claoxylon A. Juss. -- accepted
  Claoxylon indicum Hassk. -- accepted
  Claoxylon sphaerocarpum Kuntze -- not accepted
  Clutia cascarilla L. -- not accepted
  Clutia decandra Crantz -- not accepted
  Clutia eluteria L. -- not accepted
  Cnidoscolus surinamensis Miq. -- not accepted
  Codiaeum A. Juss. -- accepted
  Codiaeum bractiferum (Roxb.) Merr. -- accepted
  Codiaeum variegatum (L.) Rumph. ex A. Juss. -- accepted -- garden croton
  Colliguaja Molina -- accepted
  Colliguaja odorifera Molina -- accepted
  Colobocarpus nanus (Gagnep.) Esser & Welzen -- not accepted
  Commiphora reghinii Chiov. -- not accepted
  Crepidaria Haw. -- not accepted
  Crepidaria cordellata (Haw.) Haw. -- not accepted
  Crepidaria myrtifolia (Mill.) Haw. -- not accepted
  Crepidaria padifolia (L.) Haw. -- not accepted
  Crepidaria subcarinata Haw. -- not accepted
  Croton L. -- accepted
  Croton abaitensis Baill. -- accepted
  Croton abeggii Urb. & Ekman -- accepted
  Croton aberrans Müll. Arg. -- accepted
  Croton abnormis Mart. ex Baill. -- not accepted
  Croton abonari Riina & P.E. Berry -- accepted
  Croton abutilifolius Croizat -- accepted
  Croton abutiloides Kunth -- accepted
  Croton abutilopsis G.L. Webster -- accepted
  Croton acapulcensis Mart. Gord. & J. Jiménez Ram. -- accepted
  Croton acerifolius A. Cunn. ex Hook. -- not accepted
  Croton aceroides Radcl.-Sm. -- accepted
  Croton acerrimus Reinw. ex Blume -- not accepted
  Croton ackermannianus (Müll. Arg.) G.L. Webster -- accepted
  Croton acradenius Pax & K. Hoffm. -- accepted
  Croton acronychioides F. Muell. -- accepted
  Croton aculeatus Splitg. ex Lanj. -- not accepted
  Croton acuminatissimus (Pittier) G.L. Webster -- accepted
  Croton acuminatus Lam. -- not accepted
  Croton acuminatus Sessé & Moç. -- not accepted
  Croton acuminatus R. Br. -- not accepted
  Croton acuminatus A. Rich. ex Baill. -- not accepted
  Croton acunae Borhidi -- accepted
  Croton acutifolius Esser -- accepted
  Croton acutus Thunb. ex Murray -- not accepted
  Croton adabolavensis Leandri -- accepted
  Croton adamantinus Müll. Arg. -- accepted
  Croton adenocalyx Baill. -- accepted
  Croton adenodontus (Müll. Arg.) Müll. Arg. -- accepted
  Croton adenopetalus Müll. Arg. -- not accepted
  Croton adenophorus Baill. -- accepted
  Croton adenophorus var. genuinus Baill. -- not accepted
  Croton adenophorus var. loucoubensis Baill. -- not accepted
  Croton adenophyllus Spreng. -- accepted
  Croton adipatus Kunth -- accepted
  Croton adpressus C. Wright & Griseb. -- not accepted
  Croton adspersus Benth. -- accepted
  Croton adumbratus Croizat -- not accepted
  Croton aequatoris Croizat -- accepted
  Croton affinis Geiseler -- not accepted
  Croton affinis Maiden et R.T. Baker -- not accepted
  Croton agoensis Baill. -- accepted
  Croton agrarius Baill. -- accepted
  Croton agrarius var. algernonii Baill. -- not accepted
  Croton agrarius var. augustinianus Baill. -- not accepted
  Croton agrarius var. cremostachyus Baill. -- not accepted
  Croton agrarius var. echinocarpus Baill. -- not accepted
  Croton agrarius var. horridulus Baill. -- not accepted
  Croton agrarius var. inversus Baill. -- not accepted
  Croton agrarius var. laetifolius Baill. -- not accepted
  Croton agrarius var. neuwiedii Baill. -- not accepted
  Croton agrestis (Pax & K. Hoffm.) Radcl.-Sm. & Govaerts -- accepted
  Croton agrophilus Müll. Arg. -- accepted
  Croton alabamensis E.A. Sm. ex Chapm. -- accepted -- Alabama croton
  Croton alabamensis var. alabamensis E.A. Sm. ex Chapm. -- accepted -- Alabama croton
  Croton alabamensis var. texensis Ginzbarg -- accepted -- Alabama croton, Texabama croton
  Croton alainii B.W. van Ee & P.E. Berry -- accepted
  Croton alamosanus Rose -- accepted
  Croton albellus Müll. Arg. -- accepted
  Croton albescens Andersson -- not accepted
  Croton albicans Willd. ex Schltdl. -- not accepted
  Croton albicans (Blume) Rchb. f. & Zoll. -- not accepted
  Croton albidus Müll. Arg. -- not accepted
  Croton albinoides (A.M. Ferguson) Croizat -- not accepted
  Croton alchorneicarpus Croizat -- accepted
  Croton algernonii Baill. -- not accepted
  Croton alienus Pax -- accepted
  Croton allemii G.L. Webster -- accepted
  Croton alloeophyllus Urb. -- accepted
  Croton alnifolius Lam. -- accepted
  Croton alnifolius var. genuinus Müll. Arg. -- not accepted
  Croton alnifolius var. quitensis (Spreng.) Müll. Arg. -- not accepted
  Croton alnoideus Baill. -- accepted
  Croton alpinus A. Chev. ex Gagnep. -- accepted
  Croton alvaradonis M.E. Jones -- accepted
  Croton amazonicus Müll. Arg. -- accepted
  Croton ambanivoulensis Baill. -- accepted
  Croton ambovombensis Radcl.-Sm. & Govaerts -- accepted
  Croton ameliae Lundell -- accepted
  Croton amphileucus Briq. -- accepted
  Croton amplifolius Airy Shaw -- accepted
  Croton andinus Müll. Arg. -- accepted
  Croton andreanus Linden -- not accepted
  Croton andreeus Linden -- not accepted
  Croton androiensis (Leandri) Leandri -- accepted
  Croton angolensis Müll. Arg. -- accepted
  Croton angularis Klotzsch ex Baill. -- not accepted
  Croton angustatus Urb. -- accepted
  Croton angustifolius (Müll. Arg.) Airy Shaw -- accepted
  Croton angustifrons Müll. Arg. -- accepted
  Croton anisatus Baill. -- accepted
  Croton anisodontus Müll. Arg. -- accepted
  Croton ankarensis Leandri -- accepted
  Croton anomalus Pittier -- accepted
  Croton anosiravensis Leandri -- accepted
  Croton antae Airy Shaw -- accepted
  Croton antanosiensis Leandri -- accepted
  Croton antanosiensis var. basaltorum Leandri -- not accepted
  Croton antisyphiliticus Mart. -- accepted
  Croton antisyphiliticus var. angustifolius Müll. Arg. -- not accepted
  Croton antisyphiliticus var. cordiifolius Müll. Arg. -- not accepted
  Croton antisyphiliticus var. echiifolius Müll. Arg. -- not accepted
  Croton antisyphiliticus var. genuinus Müll. Arg. -- not accepted
  Croton antisyphiliticus var. heterotrichus Müll. Arg. -- not accepted
  Croton antisyphiliticus var. hypoleucus Müll. Arg. -- not accepted
  Croton antisyphiliticus var. intermedius Müll. Arg. -- not accepted
  Croton antisyphiliticus var. latifolius (Baill.) Müll. Arg. -- not accepted
  Croton antisyphiliticus var. minor (Baill.) Müll. Arg. -- not accepted
  Croton antisyphiliticus var. minutulus Müll. Arg. -- not accepted
  Croton antisyphiliticus var. mollis Müll. Arg. -- not accepted
  Croton antisyphiliticus var. nitidulus Müll. Arg. -- not accepted
  Croton antisyphiliticus var. perdicipes Müll. Arg. -- not accepted
  Croton antisyphiliticus var. weddellianus (Baill.) Müll. Arg. -- not accepted
  Croton antunesii Pax -- not accepted
  Croton apetalum Blume -- not accepted
  Croton apicifolius Croizat -- accepted
  Croton apostolon Radcl.-Sm. & Govaerts -- accepted
  Croton appendiculatus Elmer -- not accepted
  Croton appertii J. Léonard -- accepted
  Croton araracuarae J. Murillo, P.E. Berry & M.V. Arbelaez -- accepted
  Croton araripensis Croizat -- accepted
  Croton arboreus Millsp. -- accepted
  Croton ardisioides Hook. f. -- not accepted
  Croton arenicola Rose & Standl. -- not accepted
  Croton arenicola Leandri -- not accepted
  Croton arenosus Carn.-Torres & Cordeiro -- accepted
  Croton argentealbidus Radcl.-Sm. & Govaerts -- accepted
  Croton argenteus L. -- accepted -- silver July croton
  Croton argenteus Forssk. -- not accepted
  Croton argentinus Müll. Arg. -- accepted
  Croton argithamnoides Steud. -- not accepted
  Croton argothamnoides Bertol. ex Spreng. -- not accepted
  Croton argutus B. Heyne ex Wall. -- not accepted
  Croton argyranthemus Michx. -- accepted -- healing croton, silver croton, silverleaf croton
  Croton argyratus Blume -- accepted
  Croton argyratus var. brevipes Müll. Arg. -- not accepted
  Croton argyratus var. genuinus Müll. Arg. -- not accepted
  Croton argyratus var. gracilis Müll. Arg. -- not accepted
  Croton argyratus var. hypoleucus Müll. Arg. -- not accepted
  Croton argyratus var. microcarpus Gagnep. -- not accepted
  Croton argyrodaphne Baill. -- accepted
  Croton argyrodaphne var. boinensis Leandri -- not accepted
  Croton argyrodaphne var. occidentalis Leandri -- not accepted
  Croton argyrodaphne var. orientalis Leandri -- not accepted
  Croton argyroglossus Baill. -- not accepted
  Croton argyrophylloides Müll. Arg. -- not accepted
  Croton argyrophyllus Kunth -- accepted
  Croton argyrophyllus var. pubescens (Klotzsch ex Benth.) Müll. Arg. -- not accepted
  Croton aridicola Urb. -- not accepted
  Croton aridus P.I. Forst. -- accepted
  Croton aripoensis Philcox -- accepted
  Croton arirambae Huber -- accepted
  Croton aristophlebius Croizat -- accepted
  Croton arlineae D. Medeiros, L. Senna & R.J.V. Alves -- accepted
  Croton armstrongii S. Moore -- accepted
  Croton arnhemicus Müll. Arg. -- accepted
  Croton arnhemicus var. urenifolius Baill. -- not accepted
  Croton aromaticus L. -- accepted
  Croton aromaticus Gaertn. -- not accepted
  Croton aromaticus Miq. -- not accepted
  Croton aromaticus var. lacciferus (L.) Trimen -- not accepted
  Croton artibonitensis Urb. -- accepted
  Croton ascendens Secco & N.A. Rosa -- accepted
  Croton asper Desv. ex Baill. -- not accepted
  Croton asper K.D. Koenig ex Roxb. -- not accepted
  Croton asperifolius Pax -- not accepted
  Croton asperrimus Benth. -- accepted
  Croton asteroides Lundell -- not accepted
  Croton astianus Croizat -- accepted
  Croton astraeatus Baill. -- not accepted
  Croton astrogynus Baill. -- not accepted
  Croton astroites Dryand. -- accepted -- wild marrow
  Croton astroites Willd. -- not accepted
  Croton astroites var. genuinus Müll. Arg. -- not accepted
  Croton astroites var. lanceolatus Müll. Arg. -- not accepted
  Croton astrophorus Urb. -- accepted
  Croton ater Croizat -- accepted
  Croton atrorufus Müll. Arg. -- accepted
  Croton atrostellatus V.W. Steinm. -- accepted
  Croton atrovirens Wall. -- not accepted
  Croton attenuatus M.E. Jones -- not accepted
  Croton aubrevilecta Leandri -- accepted
  Croton aubrevillei J. Léonard -- accepted
  Croton aucubifolius Andr. -- not accepted
  Croton augustinianus Baill. -- not accepted
  Croton auriculatus Müll. Arg. -- not accepted
  Croton avellaneus Croizat -- not accepted
  Croton avenius Vahl ex Geiseler -- not accepted
  Croton avulsus Croizat -- accepted
  Croton axillaris Müll. Arg. -- accepted
  Croton aymoninorum Leandri -- accepted
  Croton azuensis Urb. -- accepted
  Croton babuyanensis Croizat -- accepted
  Croton bacciferus Wall. -- not accepted
  Croton bahiensis Müll. Arg. -- not accepted
  Croton baillonianus Müll. Arg. -- not accepted
  Croton baillonianus var. pachyphyllus Müll. Arg. -- not accepted
  Croton baillonianus var. submembranaceus Müll. Arg. -- not accepted
  Croton bakerianus Baill. -- not accepted
  Croton baldauffii Leandri -- accepted
  Croton baliospermum Span. -- not accepted
  Croton balsameus Müll. Arg. -- accepted
  Croton balsamifer Jacq. -- not accepted
  Croton balsensis V.W. Steinm. & Mart. Gord. -- accepted
  Croton bangii Rusby -- accepted
  Croton barahonensis Urb. -- accepted
  Croton barbatus Kunth -- accepted
  Croton baronii Baill. -- not accepted
  Croton barorum Leandri -- accepted
  Croton barorum var. mangokyensis Leandri -- not accepted
  Croton barotsensis Gibbs -- not accepted
  Croton bartlettii Lanj. -- not accepted
  Croton bastardii Leandri -- accepted
  Croton batangasensis Croizat -- accepted
  Croton bathianus Leandri -- accepted
  Croton beetlei Croizat -- accepted
  Croton belanseanus Urb. & Ekman -- not accepted
  Croton belintae Leandri -- accepted
  Croton bellulus Linden & André -- not accepted
  Croton bemaranus Leandri -- accepted
  Croton bemarivensis Leandri -- accepted
  Croton benthamianus Müll. Arg. -- not accepted
  Croton benthamianus (Müll. Arg.) Lanj. -- not accepted
  Croton berberifolius Croizat -- accepted
  Croton bergassae Leandri -- accepted
  Croton bergmanii Chantrier ex André -- not accepted
  Croton berlandieri Torr. -- not accepted
  Croton berlandieri Müll. Arg. -- not accepted
  Croton bernieri Baill. -- accepted
  Croton bernieri var. namorokensis Baill. -- not accepted
  Croton betaceus Baill. -- accepted
  Croton betaceus var. genuinus Müll. Arg. -- not accepted
  Croton betaceus var. lanceolatus Müll. Arg. -- not accepted
  Croton betiokensis Leandri -- accepted
  Croton betulaster Müll. Arg. -- accepted
  Croton betulinus Vahl -- accepted -- beechleaf croton
  Croton bevilaniensis Leandri -- accepted
  Croton biaroensis Croizat -- accepted
  Croton bicolor Roxb. -- not accepted
  Croton bidentatus Müll. Arg. -- accepted
  Croton bifurcatus Baill. -- accepted
  Croton bifurcatus var. emeliae (Baill.) Müll. Arg. -- not accepted
  Croton bifurcatus var. genuinus Baill. -- not accepted
  Croton billbergianus Müll. Arg. -- accepted
  Croton billbergianus ssp. billbergianus Müll. Arg. -- accepted
  Croton billbergianus ssp. pyramidalis (Donn. Sm.) Müll. Arg. -- accepted
  Croton bilocularis J. Murillo -- not accepted
  Croton birmanicus Müll. Arg. -- accepted
  Croton bispinosus C. Wright ex Sauvalle -- accepted
  Croton blanchetianus Baill. -- accepted
  Croton blasianus M.E. Jones -- not accepted
  Croton boavitanus Croizat -- accepted
  Croton bocquillonii Baill. -- not accepted
  Croton boinensis Leandri -- accepted
  Croton boissieri Müll. Arg. -- accepted
  Croton boiteaui Leandri -- accepted
  Croton boivinianus (Baill.) Baill. -- accepted
  Croton bojerianus Baill. -- accepted
  Croton bolivarensis Croizat -- accepted
  Croton bondaensis Rusby -- accepted
  Croton bonianus Gagnep. -- accepted
  Croton bonplandianus Baill. -- accepted -- Bonpland's croton
  Croton boragatch Roxb. ex Wall. -- not accepted
  Croton borbensis Secco & P.E. Berry -- accepted
  Croton boregensis M.E. Jones -- not accepted
  Croton borhidii O. Muñiz -- accepted
  Croton borhidii ssp. baracoensis Borhidi & O. Muñiz -- accepted
  Croton borhidii ssp. borhidii O. Muñiz -- accepted
  Croton borneensis J.J. Sm. -- accepted
  Croton botryocarpus Croizat -- not accepted
  Croton boutonianus Müll. Arg. -- not accepted
  Croton brachiatus Mart. ex Baill. -- not accepted
  Croton brachybotryus Müll. Arg. -- not accepted
  Croton brachypus Airy Shaw -- accepted
  Croton brachytrichus Urb. -- accepted
  Croton bracteatus Lam. -- accepted
  Croton bractiferus Roxb. -- not accepted
  Croton brasiliensis Mart. ex Klotzsch -- not accepted
  Croton brasiliensis (Spreng.) Müll. Arg. -- not accepted
  Croton brassii Croizat -- accepted
  Croton breedlovei B.W. van Ee & P.E. Berry -- accepted
  Croton bresolinii L.B. Sm. & Downs -- accepted
  Croton brevifolius Andersson -- not accepted
  Croton brevipes Pax -- accepted
  Croton brevispicatus Baill. -- accepted
  Croton brevispicatus var. bocquillonii (Baill.) Leandri -- accepted
  Croton brevispicatus var. brevispicatus Baill. -- accepted
  Croton brevispicatus var. isalensis Leandri -- not accepted
  Croton bridgesii Müll. Arg. -- not accepted
  Croton brieyi De Wild. -- accepted
  Croton brittonianus Carabia -- accepted
  Croton brittonii Acev.-Rodr. -- accepted
  Croton brocchianus Vis. -- not accepted
  Croton bryophorus Croizat -- accepted
  Croton buchii Urb. -- accepted
  Croton budopensis Gagnep. -- not accepted
  Croton bukobensis Pax -- not accepted
  Croton burchellii Müll. Arg. -- accepted
  Croton butaguensis De Wild. -- not accepted
  Croton buxifolius (Baill.) Müll. Arg. -- not accepted
  Croton byrnesii Airy Shaw -- accepted
  Croton caboensis Croizat -- accepted
  Croton cajucara Benth. -- accepted
  Croton calcicola Ridl. -- not accepted
  Croton caldensis Müll. Arg. -- accepted
  Croton calderi Chakrab. & N.P. Balakr. -- accepted
  Croton californicus Müll. Arg. -- accepted -- California croton
  Croton californicus var. longipes (M.E. Jones) A.M. Ferguson -- not accepted -- California croton
  Croton californicus var. major S. Watson ex Engelm. -- not accepted
  Croton californicus var. mohavensis A.M. Ferguson -- not accepted -- Mojave croton
  Croton californicus var. tenuis (S. Watson) A.M. Ferguson -- not accepted -- California croton
  Croton callicarpifolius Vahl -- not accepted
  Croton callicarpifolius var. genuinus Müll. Arg. -- not accepted
  Croton callicarpifolius var. pubescens Müll. Arg. -- not accepted
  Croton calocephalus Müll. Arg. -- accepted
  Croton calococcus Kurz -- accepted
  Croton calomeris Baill. -- not accepted
  Croton calonervosus G.L. Webster -- accepted
  Croton calvescens S. Watson -- not accepted
  Croton calyciglandulosus Allem -- accepted
  Croton calycireduplicatus Allem -- accepted
  Croton camagueyanus Urb. -- not accepted
  Croton camaza Perr. -- not accepted
  Croton campanulatus Caruzo & Cordeiro -- accepted
  Croton campechianus Standl. -- not accepted
  Croton campenonii Baill. -- accepted
  Croton campestris A. St.-Hil. -- accepted
  Croton campestris var. angustifolius Müll. Arg. -- not accepted
  Croton campestris var. atratus Baill. -- not accepted
  Croton campestris var. dupraei Baill. -- not accepted
  Croton campestris var. genuinus Müll. Arg. -- not accepted
  Croton campestris var. grandivelus Baill. -- not accepted
  Croton campestris var. laetifolius (Baill.) Müll. Arg. -- not accepted
  Croton campestris var. nigricans Baill. -- not accepted
  Croton campestris var. subacutus Baill. -- not accepted
  Croton canescens Bojer -- not accepted
  Croton capensis L. f. -- not accepted
  Croton capitatus Michx. -- accepted -- capitate croton, doveweed, hogweed, hogwort, woolly croton
  Croton capitatus var. albinoides (A.M. Ferguson) Shinners -- not accepted
  Croton capitatus var. capitatus Michx. -- accepted -- hogwort
  Croton capitatus var. genuinus Müll. Arg. -- not accepted
  Croton capitis-york Airy Shaw -- accepted
  Croton capitis-york var. pilosus Airy Shaw -- not accepted
  Croton capuronii Leandri -- accepted
  Croton caracasanus Pittier -- accepted
  Croton carandaitensis Croizat -- accepted
  Croton cardenasii Standl. -- accepted
  Croton cardonei Croizat -- not accepted
  Croton carinatus Müll. Arg. -- accepted
  Croton carpostellatus B.L. León & Mart. Gord. -- accepted
  Croton carrieri Chantrier -- not accepted
  Croton carrii Airy Shaw -- accepted
  Croton caryocarpus Croizat -- accepted
  Croton caryophyllus Benth. -- accepted
  Croton casarettianus Vis. -- not accepted
  Croton casarettoanus Müll. Arg. -- not accepted
  Croton cascarilla (L.) L. -- not accepted -- grannybush
  Croton cascarilla Lam. -- not accepted
  Croton cascarilloides Raeusch. -- accepted
  Croton cascarilloides Geiseler -- not accepted
  Croton cascarilloides f. pilosus Y.T. Chang -- not accepted
  Croton cassinoides Lam. -- accepted
  Croton castaneifolius L. -- not accepted
  Croton castaneifolius Kunth -- not accepted
  Croton catamarcensis Ahumada -- accepted
  Croton catariae Baill. -- accepted
  Croton catati Baill. -- accepted
  Croton catharinensis L.B. Sm. & Downs -- accepted
  Croton catinganus Müll. Arg. -- accepted
  Croton caudatiformis Hand.-Mazz. -- not accepted
  Croton caudatus Geiseler -- accepted
  Croton caudatus var. denticulatus Müll. Arg. -- not accepted
  Croton caudatus var. genuinus Müll. Arg. -- not accepted
  Croton caudatus var. harmandii Gagnep. -- not accepted
  Croton caudatus var. klotzschianus (Wight) Müll. Arg. -- not accepted
  Croton caudatus var. malaccanus Hook. f. -- not accepted
  Croton caudatus var. oblongifolius Müll. Arg. -- not accepted
  Croton caudatus var. obovoideus N.P. Balakr. & Chakrab. -- not accepted
  Croton cavaleriei Gagnep. -- not accepted
  Croton cavalliensis Beille ex Hutch. -- not accepted
  Croton ceanothifolius Baill. -- accepted
  Croton ceanothifolius Standl. & L.O. Williams -- not accepted
  Croton ceanothifolius var. itabirensis Baill. -- not accepted
  Croton cearensis Baill. -- accepted
  Croton cearensis Müll. Arg. -- not accepted
  Croton celtidifolius Baill. -- accepted
  Croton cerinodentatus Müll. Arg. -- accepted
  Croton cerinodentatus var. martii Müll. Arg. -- not accepted
  Croton cerinodentatus var. warmingii Müll. Arg. -- not accepted
  Croton cerinus Müll. Arg. -- accepted
  Croton cerinus var. linifolius Müll. Arg. -- not accepted
  Croton cerroazulensis P.E. Berry & Galdames -- accepted
  Croton chaetodus Urb. -- not accepted
  Croton chaetophorus Müll. Arg. -- accepted
  Croton chamaedrifolius (Klotzsch) Griseb. -- not accepted
  Croton chamaedrifolius Lam. -- not accepted
  Croton chamaepitys Baill. -- accepted
  Croton chamelensis E.J. Lott -- accepted
  Croton chapelieri Baill. -- accepted
  Croton charaguensis Standl. -- accepted
  Croton chauvetiae Leandri -- accepted
  Croton chevalieri Beille -- not accepted
  Croton chiamala Wall. -- not accepted
  Croton chiapensis Lundell -- accepted
  Croton chilensis Müll. Arg. -- accepted
  Croton chimboracensis P.E. Berry & Riina -- accepted
  Croton chinensis Geiseler -- not accepted
  Croton chinensis Benth. -- not accepted
  Croton chiribiquetensis Cardiel -- accepted
  Croton chittagongensis Chakrab. & N.P. Balakr. -- accepted
  Croton chlaenacicomes Leandri -- accepted
  Croton chlorocalyx Müll. Arg. -- accepted
  Croton chloroleucus Müll. Arg. -- accepted
  Croton chocoanus Croizat -- accepted
  Croton choristadenius K. Schum. -- accepted
  Croton choristolepis Müll. Arg. -- not accepted
  Croton chrysocladus Müll. Arg. -- accepted
  Croton chrysodaphne Baill. -- accepted
  Croton chunianus Croizat -- accepted
  Croton churumayensis Croizat -- accepted
  Croton churutensis Riina & X. Cornejo -- accepted -- Chalá grande, Sangre de drago
  Croton chypreae Leandri -- accepted
  Croton ciliatoglandulifer Ortega -- accepted -- bush croton, Mexican croton
  Croton ciliatoglandulosus Steud. -- not accepted
  Croton cinerascens Radcl.-Sm. & Govaerts -- accepted
  Croton cinerellus Müll. Arg. -- accepted
  Croton claessensii Vermoesen ex De Wild. -- accepted
  Croton claraensis Urb. -- not accepted
  Croton claussenianus Baill. -- accepted
  Croton claussenianus var. hirsutus Müll. Arg. -- not accepted
  Croton claussenianus var. latifolius Müll. Arg. -- not accepted
  Croton claussenianus var. tomentellus Müll. Arg. -- not accepted
  Croton clavuliger Müll. Arg. -- accepted
  Croton cliffordii Hutch. & E.A. Bruce -- accepted
  Croton clutioides G. Forst. -- not accepted
  Croton cneorifolius (Baill.) Müll. Arg. -- not accepted
  Croton cneorifolius var. genuinus Müll. Arg. -- not accepted
  Croton cneorifolius var. lanceolatus (Baill.) Müll. Arg. -- not accepted
  Croton cneorifolius var. longifolius (Baill.) Müll. Arg. -- not accepted
  Croton cnidophyllus Radcl.-Sm. & Govaerts -- accepted
  Croton cnidophyllus var. dui (Y.T. Chang) Radcl.-Sm. & Govaerts -- not accepted
  Croton coatepensis Brandegee -- not accepted
  Croton coccineus Noronha -- accepted
  Croton coccineus Vahl -- not accepted
  Croton coccymelophyllus Radcl.-Sm. & Govaerts -- accepted
  Croton codonocalyx Baill. -- not accepted
  Croton coelebogyne Baill. -- not accepted
  Croton collenettei Hutch. & Dalziel -- not accepted
  Croton colliguaja Spreng. -- not accepted
  Croton collinus Kunth -- not accepted
  Croton collinus Pancher ex Baill. -- not accepted
  Croton colobocarpus Airy Shaw -- not accepted
  Croton colubrinoides Merr. -- accepted
  Croton columnaris Airy Shaw -- accepted
  Croton comayaguanus Standl. & L.O. Williams -- accepted
  Croton comes Standl. & L.O. Williams -- accepted
  Croton comosus Müll. Arg. -- not accepted
  Croton comosus var. major Müll. Arg. -- not accepted
  Croton comosus var. minor Müll. Arg. -- not accepted
  Croton compressus Lam. -- accepted
  Croton conduplicatus Kunth -- accepted
  Croton confertus Baker -- accepted
  Croton confinis L.B. Sm. & Downs -- accepted
  Croton confusus Pittier -- not accepted
  Croton confusus Gage -- not accepted
  Croton congensis De Wild. -- accepted
  Croton congestus Lour. -- accepted
  Croton consanguineus Müll. Arg. -- accepted
  Croton consanguineus var. molliusculus Croizat -- not accepted
  Croton conspurcatus Schltdl. -- accepted
  Croton cooperianus (Croizat) Radcl.-Sm. & Govaerts -- accepted
  Croton corallicola Borhidi -- accepted
  Croton corchorifolius Geiseler -- not accepted
  Croton corchoropsis Baill. -- accepted
  Croton cordatulus Airy Shaw -- accepted
  Croton cordatus Vell. -- not accepted
  Croton cordeiroae G.L. Webster -- accepted
  Croton cordiifolius Baill. -- accepted
  Croton cordobensis Ahumada -- accepted
  Croton coriaceus Kunth -- accepted
  Croton coriifolius Airy Shaw -- accepted
  Croton corinthius Poveda & J.A. Gonzalez -- accepted
  Croton cornutus André -- not accepted
  Croton corollatus Sol. ex Baill. -- not accepted
  Croton coronatus Urb. -- accepted
  Croton corrientesianus Baill. -- not accepted
  Croton cortesianus Kunth -- accepted -- Cortez's croton
  Croton corumbensis S. Moore -- accepted
  Croton coryi Croizat -- accepted -- Cory's croton
  Croton corylifolius Lam. -- accepted
  Croton corylifolius Griseb. -- not accepted
  Croton corymbulosoides Radcl.-Sm. & Govaerts -- not accepted
  Croton corymbulosus Engelm. -- not accepted
  Croton corymbulosus var. thermophilus M.C. Johnst. -- not accepted
  Croton costaricensis Pax ex Durand & Pittier -- not accepted
  Croton costaricensis Kuntze -- not accepted
  Croton costatus Kunth -- accepted
  Croton cotabatensis Croizat -- accepted
  Croton cotoneaster Müll. Arg. -- accepted
  Croton courteti Beille -- not accepted
  Croton craspedotrichus Griseb. -- accepted
  Croton crassifolius Geiseler -- accepted
  Croton crassirameus Müll. Arg. -- not accepted
  Croton cremostachyus Baill. -- not accepted
  Croton crenulatus M.E. Jones -- not accepted
  Croton crispatus Thulin -- accepted
  Croton cristalensis Urb. -- accepted
  Croton crocodilorum Leandri -- accepted
  Croton crozophoroides Kurz -- not accepted
  Croton crustulifer Croizat -- accepted
  Croton cubanus Müll. Arg. -- not accepted
  Croton cubiensis Gagnep. -- accepted
  Croton cuchillae-nigrae Croizat -- accepted
  Croton cucutensis Croizat -- accepted
  Croton cueroensis Britton & P. Wilson -- not accepted
  Croton culiacanensis Croizat -- accepted
  Croton cumingii Müll. Arg. -- not accepted
  Croton cumingii var. angustifolius Gangnep. -- not accepted
  Croton cuneatus Klotzsch -- accepted
  Croton cuneatus Miq. -- not accepted
  Croton cupreatus Croizat -- accepted
  Croton cupreus Elmer -- accepted
  Croton cupulifer McVaugh -- accepted
  Croton curiosus Croizat -- accepted
  Croton curranii S.F. Blake -- accepted
  Croton curuguatyensis Ahumada -- accepted
  Croton curvipes Urb. -- accepted
  Croton cuyabensis Pilg. -- accepted
  Croton cyathodenus Desv. ex Lanj. -- not accepted
  Croton cycloideus Borhidi & O. Muñiz -- accepted
  Croton cynanchicus Baill. -- not accepted
  Croton damayeshu Y.T. Chang -- accepted
  Croton danguyanus Leandri -- accepted
  Croton daphnargyreus St.-Lag. -- not accepted
  Croton decalobus Müll. Arg. -- accepted
  Croton decalvatus Esser -- accepted
  Croton decaryi Leandri -- accepted
  Croton decipiens Baill. -- accepted
  Croton decorsei Beille -- not accepted
  Croton delphinianus Baill. -- not accepted
  Croton delpyi Gagnep. -- accepted
  Croton denisii Leandri -- accepted
  Croton densivestitus C.T. White & W.D. Francis -- accepted
  Croton dentatus Sm. -- not accepted
  Croton denticulatus Geiseler -- not accepted
  Croton denticulatus Blume -- not accepted
  Croton dentifolius Baill. -- not accepted
  Croton dentosus Griseb. -- not accepted
  Croton denudatus Baill. -- not accepted
  Croton deppeanus Steud. -- not accepted
  Croton deserticola Steyerm. -- accepted
  Croton desertorum Müll. Arg. -- accepted
  Croton diadenus Miq. -- not accepted
  Croton diasii Pires ex R. Secco & P.E. Berry -- accepted
  Croton dibindi Pellegr. -- accepted
  Croton dichogamus Pax -- accepted
  Croton dichotomus (Klotzsch) Müll. Arg. -- not accepted
  Croton dichotomus Willd. -- not accepted
  Croton dichrous Müll. Arg. -- accepted
  Croton dictyophlebodes Radcl.-Sm. -- accepted
  Croton didrichsenii G.L. Webster -- accepted
  Croton diffusus Geiseler -- not accepted
  Croton digitatus Fisch. ex Steud. -- not accepted
  Croton digitatus Salzm. ex Schltdl. -- not accepted
  Croton digitatus G. Don -- not accepted
  Croton digitifolius Baill. -- not accepted
  Croton dinklagei Pax & K. Hoffm. -- not accepted
  Croton dioicus Cav. -- accepted -- grassland croton
  Croton dioicus Willd. -- not accepted
  Croton dioicus Sessé & Moç. -- not accepted
  Croton dioicus Isert ex Geiseler -- not accepted
  Croton discolor Willd. -- accepted -- lechecillo
  Croton discolor C. Wright ex Griseb. -- not accepted
  Croton disjunctiflorus Michx. -- not accepted
  Croton disjunctus V.W. Steinm. -- accepted
  Croton dispar N.E. Br. -- accepted
  Croton dissectistipulatus Secco -- accepted
  Croton dissimilis Baill. -- not accepted
  Croton distans Wall. -- not accepted
  Croton divaricatus Sw. -- not accepted
  Croton divaricatus Leandri -- not accepted
  Croton dockrillii Airy Shaw -- accepted
  Croton doctoris S. Moore -- accepted
  Croton dodecamerus Gagnep. -- accepted
  Croton domatifer Riina & P.E. Berry -- accepted
  Croton domingensis Vahl ex Geiseler -- not accepted
  Croton domingensis A. Rich. -- not accepted
  Croton dongnaiensis Pierre ex Gagnep. -- accepted
  Croton doratophylloides (Croizat) G.L. Webster -- accepted
  Croton doratophyllus Baill. -- accepted
  Croton draco Schltdl. & Cham. -- accepted
  Croton draco ssp. panamensis (Klotzsch) G.L. Webster -- not accepted
  Croton draco var. cordatus Müll. Arg. -- not accepted
  Croton draco var. genuinus Müll. Arg. -- not accepted
  Croton draco var. hibisciformis Müll. Arg. -- not accepted
  Croton draco var. rhombifolius Müll. Arg. -- not accepted
  Croton draconoideus St.-Lag. -- not accepted
  Croton draconopsis Müll. Arg. -- accepted
  Croton dracunculoides Baill. -- accepted
  Croton drouetii Chantrier -- not accepted
  Croton drupaceus Roxb. -- not accepted
  Croton drupaceus Blanco -- not accepted
  Croton duclouxii Gagnep. -- not accepted
  Croton dusenii Croizat -- accepted
  Croton dussii Urb. -- accepted
  Croton duvalii Chantrier -- not accepted
  Croton dybowskii Hutch. -- accepted
  Croton eberhardtii Gagnep. -- accepted
  Croton echinocarpus Müll. Arg. -- accepted
  Croton echinocarpus Baill. -- not accepted
  Croton echinulatus (Griseb.) Croizat -- accepted
  Croton echioides Baill. -- accepted
  Croton eggersii Pax -- not accepted
  Croton ehrenbergii Schltdl. -- accepted
  Croton eichleri Müll. Arg. -- accepted
  Croton ekmanii Urb. -- accepted
  Croton elaeagni Baill. -- accepted
  Croton elaeagni var. antsingyensis Baill. -- not accepted
  Croton elaeagnifolius Vahl -- not accepted
  Croton elaeagnoides S. Watson -- not accepted
  Croton elaeocarpifolius Wall. -- not accepted
  Croton elbertii Airy Shaw -- accepted
  Croton elliotianus Baill. -- accepted
  Croton elliotianus Pax -- not accepted
  Croton elliottii Chapm. -- accepted -- Elliott's croton, pondshore croton
  Croton ellipticus Geiseler -- accepted
  Croton ellipticus Nutt. -- not accepted
  Croton ellipticus A. Rich. -- not accepted
  Croton elskensii De Wild. -- accepted
  Croton eluteria (L.) Sw. -- not accepted -- cascarilla
  Croton eluteria (L.) W. Wright -- accepted
  Croton eluteria Benn. -- not accepted
  Croton eluteria ssp. homolepidus (Müll. Arg.) Benn. -- not accepted
  Croton eluterioides Lotsy -- not accepted
  Croton emeliae Baill. -- accepted
  Croton emirnensis Baker -- not accepted
  Croton emporiorum Croizat -- accepted
  Croton enantiophyllus K. Schum. -- not accepted
  Croton engelmannii A.M. Ferguson -- not accepted
  Croton engelmannii var. albinoides A.M. Ferguson -- not accepted
  Croton ensifolius Merr. -- accepted
  Croton eremophilus Müll. Arg. -- accepted
  Croton eremophilus Wooton & Standl. -- not accepted
  Croton erianthus Sm. -- not accepted
  Croton ericius Leandri -- accepted
  Croton ericoides Baill. -- accepted
  Croton erioanthemus Sm. -- accepted
  Croton eriocladoides Müll. Arg. -- accepted
  Croton eriocladus Müll. Arg. -- accepted
  Croton erythrochilus Müll. Arg. -- accepted
  Croton erythrochyloides Croizat -- accepted
  Croton erythrostachys Hook. f. -- accepted
  Croton erythrostachys var. erythrostachys Hook. f. -- accepted
  Croton erythrostachys var. muriculatus Chakrab. & N.P. Balakr. -- accepted
  Croton erythroxyloides Baill. -- accepted
  Croton erythroxyloides (Klotzsch) Müll. Arg. -- not accepted
  Croton erythroxyloides var. buxifolius Baill. -- not accepted
  Croton erythroxyloides var. cneorifolius Baill. -- not accepted
  Croton erythroxyloides var. longifolius Baill. -- not accepted
  Croton erythroxyloides var. sordidus Baill. -- not accepted
  Croton escathos Croizat -- not accepted
  Croton eskuchei Ahumada -- accepted
  Croton essequiboensis Klotzsch ex Benth. -- accepted
  Croton euryphyllus W.W. Sm. -- accepted
  Croton eutrigynus A. Gray -- not accepted
  Croton excisus Urb. -- accepted
  Croton fantzianus F. Seym. -- accepted
  Croton farinosus Lam. -- accepted
  Croton faroensis Secco -- accepted
  Croton fastuosus Baill. -- accepted
  Croton ferruginellus Müll. Arg. -- accepted
  Croton ferrugineus Kunth -- accepted
  Croton ferrugineus var. collinus (Kunth) Müll. Arg. -- not accepted
  Croton ferrugineus var. elegans (Kunth) Müll. Arg. -- not accepted
  Croton ferrugineus var. genuinus Müll. Arg. -- not accepted
  Croton ferrugineus var. peltoideus (Kunth) Müll. Arg. -- not accepted
  Croton fianarantsoae Leandri -- accepted
  Croton fianarantsoae var. grandifolia Leandri -- not accepted
  Croton flabellifolius Lodd. ex G. Don -- not accepted
  Croton flavens L. -- accepted -- yellow balsam, yellow croton
  Croton flavens f. richardii Griseb. -- not accepted
  Croton flavens var. balsamifer (Jacq.) Müll. Arg. -- not accepted
  Croton flavens var. genuinus Müll. Arg. -- not accepted
  Croton flavens var. mucronatus (Willd.) Müll. Arg. -- not accepted
  Croton flavens var. pallidus Müll. Arg. -- not accepted
  Croton flavens var. rigidus Müll. Arg. -- not accepted
  Croton flavescens Greenm. -- accepted
  Croton flavescens var. brandegeanus Croizat -- not accepted
  Croton flaviglandulosus Lundell -- accepted
  Croton flavispicatus Rusby -- accepted
  Croton floccosus B.A. Sm. -- accepted
  Croton flocculosus Kurz -- not accepted
  Croton flocculosus Geiseler -- not accepted
  Croton floribundus Spreng. -- accepted
  Croton floribundus Lund ex Didr. -- not accepted
  Croton floribundus var. piauhyensis Rizzini -- not accepted
  Croton floridanus A.M. Ferguson -- not accepted
  Croton fluminensis K. Schum. -- accepted
  Croton foetens Anderson -- not accepted
  Croton fothergillifolius Baill. -- accepted
  Croton fragilis Kunth -- accepted
  Croton fragilis Schltdl. -- not accepted
  Croton fragilis var. genuinus Müll. Arg. -- not accepted
  Croton fragrans Kunth -- accepted
  Croton fragrantulus Croizat -- accepted
  Croton francavillanus Müll. Arg. -- not accepted
  Croton francoanus Müll. Arg. -- accepted
  Croton fraseri Müll. Arg. -- accepted
  Croton frieseanus Müll. Arg. -- accepted
  Croton fruticosus Mill. -- not accepted
  Croton fruticulosus Torr. -- accepted -- bush croton, encinilla, hierba loca, shrubby croton
  Croton fruticulosus var. fuscescens Müll. Arg. -- not accepted
  Croton fruticulosus var. pallescens Müll. Arg. -- not accepted
  Croton fuertesii Urb. -- not accepted
  Croton fulvus Mart. -- accepted
  Croton fulvus A. Rich. -- not accepted
  Croton funckianus Müll. Arg. -- not accepted
  Croton funckianus var. hibisciformis Müll. Arg. -- not accepted
  Croton funckianus var. rhombifolius Müll. Arg. -- not accepted
  Croton furfuraceus Pers. -- not accepted
  Croton fuscescens Spreng. -- accepted
  Croton fuscirameus Baill. -- not accepted
  Croton fuscus (Didr.) Müll. Arg. -- accepted
  Croton fuscus var. genuinus Müll. Arg. -- not accepted
  Croton fuscus var. leucadenius (Baill.) Müll. Arg. -- not accepted
  Croton gageanus P.T. Li -- accepted
  Croton galeopsifolius Lanj. -- accepted
  Croton galeottianus Baill. -- not accepted
  Croton garckeanus Baill. -- accepted
  Croton garckeanus var. abortivus Baill. -- not accepted
  Croton garckeanus var. genuinus Baill. -- not accepted
  Croton garckeanus var. major Baill. -- not accepted
  Croton gardneri Müll. Arg. -- not accepted
  Croton gardneri var. cordatus Müll. Arg. -- not accepted
  Croton gardneri var. lanceolatus Müll. Arg. -- not accepted
  Croton gardnerianus Baill. -- accepted
  Croton gaudichaudii Baill. -- not accepted
  Croton geayi Leandri -- accepted
  Croton geayi var. androiensis Leandri -- not accepted
  Croton geraesensis (Baill.) G.L. Webster -- accepted
  Croton gibsonianus Nimmo -- accepted
  Croton gibsonii J. Graham -- not accepted
  Croton gilgianus Herter ex Arechav. -- accepted
  Croton glabellus L. -- accepted
  Croton glabellus ssp. glabellus L. -- accepted
  Croton glabellus ssp. polytrichus (Urb.) B.W. van Ee -- accepted
  Croton glabrescens Miq. -- accepted
  Croton glandulifer Vahl ex Geiseler -- not accepted
  Croton glandulosepalus Millsp. -- accepted
  Croton glandulosobracteatus Carn.-Torres & Cordeiro -- accepted
  Croton glandulosodentatus Pax & K. Hoffm. -- accepted
  Croton glandulosus L. -- accepted -- sand croton, tooth-leaved croton, tropic croton, vente conmigo
  Croton glandulosus Blanco -- not accepted
  Croton glandulosus Vell. -- not accepted
  Croton glandulosus ssp. hirtus (L'Hér.) Croizat -- not accepted
  Croton glandulosus var. adenodontus Müll. Arg. -- not accepted
  Croton glandulosus var. angustifolius Müll. Arg. -- not accepted -- vente conmigo
  Croton glandulosus var. arenicola (Small) B.W. van Ee & P.E. Berry -- accepted -- vente conmigo
  Croton glandulosus var. crenatifolius A.M. Ferguson -- not accepted
  Croton glandulosus var. divaricatus (Sw.) Müll. Arg. -- not accepted
  Croton glandulosus var. floridanus (A.M. Ferguson) R.W. Long -- accepted -- vente conmigo
  Croton glandulosus var. gardneri Müll. Arg. -- not accepted
  Croton glandulosus var. genuinus Müll. Arg. -- not accepted
  Croton glandulosus var. glandulosus L. -- accepted -- vente conmigo
  Croton glandulosus var. hirtus (L'Hér.) Müll. Arg. -- not accepted
  Croton glandulosus var. intermedius Müll. Arg. -- not accepted
  Croton glandulosus var. lindheimeri Müll. Arg. -- not accepted -- Lindheimer's croton, tropic croton
  Croton glandulosus var. lundianus (F. Diedrichsen) L.B. Sm. & Downs -- not accepted
  Croton glandulosus var. martii Müll. Arg. -- not accepted
  Croton glandulosus var. occidentalis Müll. Arg. -- not accepted
  Croton glandulosus var. parviseminus Croizat -- not accepted
  Croton glandulosus var. pubentissimus Croizat -- not accepted -- vente conmigo
  Croton glandulosus var. sagotii Müll. Arg. -- not accepted
  Croton glandulosus var. schomburgkianus Müll. Arg. -- not accepted
  Croton glandulosus var. scordioides (Lam.) Müll. Arg. -- not accepted
  Croton glandulosus var. septentrionalis Müll. Arg. -- not accepted -- vente conmigo
  Croton glandulosus var. shortii A.M. Ferguson -- not accepted
  Croton glandulosus var. sieberi Müll. Arg. -- not accepted
  Croton glandulosus var. simpsonii A.M. Ferguson -- not accepted -- Simpson's croton
  Croton glandulosus var. subincanus Müll. Arg. -- not accepted
  Croton glandulosus var. tenellus Müll. Arg. -- not accepted
  Croton glandulosus var. warmingii Müll. Arg. -- not accepted
  Croton glechomifolius Müll. Arg. -- accepted
  Croton globosus Sw. -- not accepted
  Croton glomeratus Aug. DC. -- accepted
  Croton glutinosus Müll. Arg. -- accepted
  Croton glycosmeus Müll. Arg. -- not accepted
  Croton glyptospermus Müll. Arg. -- accepted
  Croton gnaphalii Baill. -- accepted
  Croton gnaphaloides Schrad. -- accepted
  Croton gnidiaceus Baill. -- accepted
  Croton gomezii G.L. Webster -- accepted
  Croton gonocladus Mart. -- not accepted
  Croton gonzalezii Greenm. -- not accepted
  Croton gossweileri Hutch. -- accepted
  Croton gossypiifolius Vahl -- accepted
  Croton gossypiifolius var. genuinus Müll. Arg. -- not accepted
  Croton gossypiifolius var. heterophyllus (Kunth) Müll. Arg. -- not accepted
  Croton gossypiifolius var. hibiscifolius (Kunth) Müll. Arg. -- not accepted
  Croton gossypiifolius var. stipularis Müll. Arg. -- not accepted
  Croton goudotii Baill. -- accepted
  Croton goyazensis Müll. Arg. -- accepted
  Croton gracilescens Müll. Arg. -- accepted
  Croton gracilipes Baill. -- accepted
  Croton gracilipes var. angustifolius Müll. Arg. -- not accepted
  Croton gracilipes var. genuinus Müll. Arg. -- not accepted
  Croton gracilipes var. macradenius Müll. Arg. -- not accepted
  Croton gracilis Kunth -- not accepted
  Croton gracilis var. genuinus Kunth -- not accepted
  Croton gracilis var. longiradiatus Kunth -- not accepted
  Croton grandifolius Blanco -- not accepted
  Croton grandifructus Radcl.-Sm. & Govaerts -- accepted
  Croton grandivelum Baill. -- accepted
  Croton grandivelus var. algernonii Müll. Arg. -- not accepted
  Croton grandivelus var. augustinianus Müll. Arg. -- not accepted
  Croton grandivelus var. cremostachyus Müll. Arg. -- not accepted
  Croton grandivelus var. echinocarpus Müll. Arg. -- not accepted
  Croton grandivelus var. genuinus Müll. Arg. -- not accepted
  Croton grandivelus var. neuwiedii Müll. Arg. -- not accepted
  Croton grandivelus var. pannosus Müll. Arg. -- not accepted
  Croton grangerioides Bojer ex Baill. -- accepted
  Croton gratissimus Burch. -- accepted
  Croton gratissimus var. gratissimus Burch. -- accepted
  Croton gratissimus var. subgratissimus (Prain) Burtt Davy -- accepted
  Croton grazielae Secco -- accepted
  Croton greveanus Baill. -- accepted
  Croton greveanus var. borealis Leandri -- not accepted
  Croton grewiifolius Müll. Arg. -- accepted
  Croton grewioides Baill. -- accepted
  Croton griffithii Hook. f. -- accepted
  Croton grisebachianus Müll. Arg. -- accepted
  Croton griseus Airy Shaw -- accepted
  Croton grossedentatus Pittier -- accepted
  Croton grosseri Pax -- not accepted
  Croton guaiquinimae Steyerm. -- accepted
  Croton guaraniticus Chodat & Hassl. -- not accepted
  Croton guatemalensis Lotsy -- accepted -- copalchi
  Croton gubouga S. Moore -- not accepted
  Croton guerelae Leandri -- accepted
  Croton guerreroanus Mart. Gord. & Cruz Durán -- accepted
  Croton guerzesiensis Beille -- not accepted
  Croton guerzesiensis Beille ex A. Chev. -- not accepted
  Croton guianensis Aubl. -- accepted
  Croton guildingii Griseb. -- accepted
  Croton guildingii ssp. guildingii Griseb. -- accepted
  Croton guildingii ssp. tiarensis P.E. Berry & Riina -- accepted
  Croton guildingioides Radcl.-Sm. & Govaerts -- not accepted
  Croton guilleminianus Baill. -- accepted
  Croton gummiferus A. Cunn. ex Planch. -- not accepted
  Croton gynopetalus Croizat -- accepted
  Croton habrophyllus Airy Shaw -- accepted
  Croton hadrianii Baill. -- accepted
  Croton hainanensis Merr. & Metcalf -- not accepted
  Croton haitiensis P.T. Li -- accepted
  Croton halecum Roxb. -- not accepted
  Croton hancei Benth. -- accepted
  Croton harleyi Carn.-Torres & Cordeiro -- accepted
  Croton hasskarlianus Müll. Arg. -- accepted
  Croton hastatus Burm. f. -- not accepted
  Croton hastatus L. -- not accepted
  Croton hastiferus Linden & André -- not accepted
  Croton haumanianus J. Léonard -- accepted
  Croton hauthalii (Kuntze) K. Schum. -- not accepted
  Croton heliaster S.F. Blake -- accepted
  Croton helichrysum Baill. -- accepted
  Croton heliotropiifolius Kunth -- accepted
  Croton hemiargyreus Müll. Arg. -- accepted
  Croton hemiargyreus var. genuinus Müll. Arg. -- not accepted
  Croton hemiargyreus var. gymnodiscus Müll. Arg. -- not accepted
  Croton hentyi Airy Shaw -- accepted
  Croton heptalon (Kuntze) B.W. van Ee & P.E. Berry -- accepted -- woolly croton
  Croton herbaceus Vell. -- not accepted
  Croton herteri Arechav. -- not accepted
  Croton herzogianus (Pax & K. Hoffm.) Radcl.-Sm. & Govaerts -- accepted
  Croton heteranthus Aug. DC. -- accepted
  Croton heterocalyx Baill. -- accepted
  Croton heterocarpus Müll. Arg. -- accepted
  Croton heterochrous Müll. Arg. -- accepted
  Croton heterochrous Baill. -- not accepted
  Croton heterodoxus Baill. -- accepted
  Croton heterolepis (Urb.) Borhidi & O. Muñiz -- not accepted
  Croton heterophyllus Kunth -- not accepted
  Croton heteropleurus Urb. -- not accepted
  Croton heterotrichus Müll. Arg. -- accepted
  Croton hibiscifolius Kunth ex Spreng. -- accepted
  Croton hieronymi Griseb. -- accepted
  Croton hieronymoides Müll. Arg. -- not accepted
  Croton hilarii Baill. -- accepted
  Croton hilaris Baill. -- not accepted
  Croton hildebrandtii Baill. -- accepted
  Croton hillianus Veitch -- not accepted
  Croton hippophaeoides A. Rich. -- not accepted
  Croton hircinus Vent. -- accepted
  Croton hirsutus Vell. -- not accepted
  Croton hirsutus Thouars ex Baill. -- not accepted
  Croton hirtus L'Her. -- accepted
  Croton hispidus Kunth -- not accepted
  Croton hoffmannii Müll. Arg. -- accepted
  Croton hoffmannii var. viridis Müll. Arg. -- not accepted
  Croton holguinensis Borhidi -- accepted
  Croton holodiscus (Croizat) Radcl.-Sm. & Govaerts -- accepted
  Croton holtonii Müll. Arg. -- accepted
  Croton homolepidus Müll. Arg. -- not accepted
  Croton hondensis (H. Karst.) G.L. Webster -- accepted
  Croton hookeri André -- not accepted
  Croton hookeri Croizat -- not accepted
  Croton hookerianus Baill. -- not accepted
  Croton horminoideus St.-Lag. -- not accepted
  Croton horminum Baill. -- accepted
  Croton horridulus (Baill.) Müll. Arg. -- not accepted
  Croton horridulus Baill. -- not accepted
  Croton hostmannii Miq. ex Schltdl. -- accepted
  Croton hovarum Leandri -- accepted
  Croton howii Merr. & Chun ex Y.T. Chang -- accepted
  Croton huajuapanensis Mart. Gord. & Cruz Durán -- accepted
  Croton huberi Steyerm. -- accepted
  Croton huitotorum Croizat -- accepted
  Croton humbertii Leandri -- accepted
  Croton humblotii Baill. -- accepted
  Croton humblotii var. anjuanensis Leandri -- not accepted
  Croton humilis L. -- accepted -- low croton, pepperbush
  Croton humilis var. origanifolius Didr. -- not accepted
  Croton hutchinsonianus Hosseus -- accepted
  Croton hypochalibaeum Baill. -- not accepted
  Croton hypoleucus Schltdl. -- accepted
  Croton hypoleucus Dalzell -- not accepted
  Croton icabarui Jabl. -- accepted
  Croton icche Lundell -- accepted
  Croton ichthygaster L.B. Sm. & Downs -- accepted
  Croton ignifex Croizat -- accepted
  Croton ihosiana Leandri -- accepted
  Croton ikopae Leandri -- accepted
  Croton imbricatus L.R. Lima & Pirani -- accepted
  Croton imperialis T. Moore -- not accepted
  Croton impetiginosus Poepp. ex Baill. -- not accepted
  Croton impressus Urb. -- accepted -- Puerto Rico croton
  Croton inaequidens Urb. -- not accepted
  Croton inaequilobus Steyerm. -- accepted
  Croton incanus Kunth -- accepted -- Torrey's croton, vara blanca
  Croton incanus Blume -- not accepted
  Croton incanus Andersson -- not accepted
  Croton incanus Blume ex Baill. -- not accepted
  Croton incanus var. microphyllus Andersson -- not accepted
  Croton incertus Müll. Arg. -- accepted
  Croton incisus Baill. -- accepted
  Croton incrustatus Urb. -- not accepted
  Croton indivisus Vell. -- accepted
  Croton inhambanensis Radcl.-Sm. -- accepted
  Croton inophyllus G. Forst. -- not accepted
  Croton inops Baill. -- accepted
  Croton insularis Baill. -- accepted
  Croton insularis var. genuinus Müll. Arg. -- not accepted
  Croton insularis var. parvifolius Müll. Arg. -- not accepted
  Croton integer (Chodat) Radcl.-Sm. & Govaerts -- accepted
  Croton integrifolius Pax -- accepted
  Croton integrilobus Croizat -- accepted
  Croton intercedens Müll. Arg. -- accepted
  Croton interruptus André -- not accepted
  Croton inversus Baill. -- not accepted
  Croton inversus Glaz. -- not accepted
  Croton irregularis André -- not accepted
  Croton isabelli Baill. -- accepted
  Croton isalensis (Leandri) Leandri -- not accepted
  Croton isertii Griseb. -- not accepted
  Croton isomonensis Leandri -- accepted
  Croton itabirensis Baill. -- not accepted
  Croton iteophyllus Radcl.-Sm. & Govaerts -- accepted
  Croton itzaeus Lundell -- accepted
  Croton ivohibensis Leandri -- accepted
  Croton jacmelianus Urb. -- accepted
  Croton jacobinensis Baill. -- accepted
  Croton jacobinensis Müll. Arg. -- not accepted
  Croton jaegerianus Müll. Arg. -- not accepted
  Croton jamaicensis B.W. van Ee & P.E. Berry -- accepted
  Croton jamalgota Buch.-Ham. -- not accepted
  Croton jamesonii Müll. Arg. -- accepted
  Croton janeirensis Radcl.-Sm. & Govaerts -- accepted
  Croton jansii J. Léonard -- accepted
  Croton japirensis Müll. Arg. -- accepted
  Croton japonicus L. f. -- not accepted
  Croton jatropha Müll. Arg. -- not accepted
  Croton jatrophifolius Müll. Arg. -- accepted
  Croton jatrophoides Pax -- accepted
  Croton jaucoensis Borhidi -- accepted
  Croton javarisensis Secco -- accepted
  Croton jennyanus Griseb. ex Baill. -- accepted
  Croton jimenezii Standl. & Valerio -- accepted
  Croton johannis Veitch ex Regel -- not accepted
  Croton jorgei J. Murillo -- accepted
  Croton josephinus Müll. Arg. -- accepted
  Croton joufra Roxb. -- accepted
  Croton jucundus Brandegee -- accepted
  Croton julopsidium Baill. -- accepted
  Croton junceus Baill. -- accepted
  Croton jutiapensis Croizat -- accepted
  Croton kaieteuri Jabl. -- not accepted
  Croton kalkmannii Müll. Arg. -- accepted
  Croton kamerunicus Pax & K. Hoffm. -- not accepted
  Croton katoae Croizat -- accepted
  Croton kelantanicus Airy Shaw -- accepted
  Croton kenskoflii Urb. -- not accepted
  Croton kerrii Airy Shaw -- accepted
  Croton killipianus Croizat -- accepted
  Croton kilwae Radcl.-Sm. -- accepted
  Croton kimosorum Leandri -- accepted
  Croton klaenzei Müll. Arg. -- accepted
  Croton kleinii L.B. Sm. & Downs -- accepted
  Croton klotzschianus (Wight) Thwaites -- accepted
  Croton klotzschii Baill. -- not accepted
  Croton klotzschii f. divaricatus Müll. Arg. -- not accepted
  Croton klotzschii f. genuinus Müll. Arg. -- not accepted
  Croton klotzschii f. major (Didr.) Baill. -- not accepted
  Croton klotzschii f. minor (Didr.) Baill. -- not accepted
  Croton klotzschii f. prunifolius (Didr.) Baill. -- not accepted
  Croton klotzschii var. bahiensis Baill. -- not accepted
  Croton klotzschii var. hilarii (Didr.) Baill. -- not accepted
  Croton klotzschii var. incanus (Didr.) Baill. -- not accepted
  Croton klotzschii var. intermedius (Didr.) Baill. -- not accepted
  Croton klotzschii var. latifolius (Didr.) Baill. -- not accepted
  Croton klotzschii var. microphyllus (Didr.) Baill. -- not accepted
  Croton klotzschii var. oblongifolius (Didr.) Baill. -- not accepted
  Croton koehneanus Urb. -- not accepted
  Croton kongensis Gagnep. -- accepted
  Croton kongkandanus Esser -- accepted
  Croton korthalsii Müll. Arg. -- not accepted
  Croton krabas Gagnep. -- accepted
  Croton kroneanus Miq. -- not accepted
  Croton krugianus Urb. -- not accepted
  Croton krukoffianus Croizat -- accepted
  Croton kurzii Croizat -- accepted
  Croton kwangsiensis Croizat -- not accepted
  Croton kwebensis N.E. Br. -- not accepted
  Croton laccifer L. -- accepted
  Croton lacciferus Blanco -- not accepted
  Croton laceratoglandulosus Caruzo & Cordeiro -- accepted
  Croton lachnocarpus Benth. -- accepted
  Croton lachnocladus Mart. ex Müll. Arg. -- accepted
  Croton lachnostachyus Baill. -- accepted
  Croton lachnostephanus Baill. -- accepted
  Croton laciniatistylus J. Léonard -- accepted
  Croton lacteus Van Houtte -- not accepted
  Croton laeticapsulus Croizat -- accepted
  Croton laetifolius Baill. -- not accepted
  Croton laetus Wall. -- not accepted
  Croton laevifolius Blume -- not accepted
  Croton laevifolius Hook. f. -- not accepted
  Croton laevigatus Vahl -- accepted
  Croton lagoensis Müll. Arg. -- accepted
  Croton lagunensis M.E. Jones -- not accepted
  Croton lagunillae Croizat -- not accepted
  Croton lamarckianus Moldenke -- not accepted
  Croton lamdongensis Thin -- accepted
  Croton lamianus Leandri -- accepted
  Croton lanatus Lam. -- accepted
  Croton lanatus Klotzsch ex Baill. -- not accepted
  Croton lanatus Lour. -- not accepted
  Croton lanatus var. astrogynus (Baill.) P.E. Berry -- accepted
  Croton lanatus var. lanatus Lam. -- accepted
  Croton lanatus var. lorentzii (Müll. Arg.) P.E. Berry -- accepted
  Croton lanceilimbus Merr. -- accepted
  Croton lanceolaris G.L. Webster -- accepted
  Croton lanceolatus Cav. -- not accepted
  Croton lanceolatus Hornem. ex Didr. -- not accepted
  Croton landoltii Ahumada -- accepted
  Croton langsdorffii Müll. Arg. -- accepted
  Croton langsonensis Thin -- accepted
  Croton laniflorus Geiseler -- accepted
  Croton lanigerus (Prain) Perr. ex Prain -- not accepted
  Croton lanjouwensis Jabl. -- not accepted
  Croton lanuginosus K. Schum. ex Schweinf. -- not accepted
  Croton lanuginosus Baill. -- not accepted
  Croton laoticus Gagnep. -- accepted
  Croton lapanus Müll. Arg. -- accepted
  Croton lapiazicola Leandri -- accepted
  Croton lapiazicola var. lapiazicola Leandri -- accepted
  Croton lapiazicola var. longibracteata Leandri -- accepted
  Croton lasianthus Pers. -- not accepted
  Croton lasiopetaloides Croizat -- accepted
  Croton lasiopyrus Baill. -- accepted
  Croton latimaculatus Chantrier -- not accepted
  Croton latsonensis Gagnep. -- accepted
  Croton laui Merr. & Metcalf -- accepted
  Croton lauioides Radcl.-Sm. & Govaerts -- accepted
  Croton laureltyanus Ahumada -- accepted
  Croton laurifolius Müll. Arg. -- not accepted
  Croton laurifolius Spach ex Baill. -- not accepted
  Croton laurifolius Noronha -- not accepted
  Croton laurinus Sw. -- accepted
  Croton lawianus Nimmo -- accepted
  Croton leandrii Croizat -- accepted
  Croton lechleri Müll. Arg. -- accepted
  Croton lehmannii Pax -- accepted
  Croton lehmbachii Hutch. -- not accepted
  Croton leiocarpus Bartl. -- not accepted
  Croton leiophyllus Müll. Arg. -- accepted
  Croton leonensis Hutch. -- accepted
  Croton leonis (Croizat) B.W. van Ee & P.E. Berry -- accepted
  Croton lepidotus Aug. DC. -- accepted
  Croton lepidus (S. Moore) Radcl.-Sm. & Govaerts -- accepted
  Croton leprosus Spreng. ex Griseb. -- not accepted
  Croton leptanthus Airy Shaw -- accepted
  Croton leptobotryus Müll. Arg. -- accepted
  Croton leptophyllus Müll. Arg. -- accepted
  Croton leptopus Müll. Arg. -- accepted
  Croton leptostachyus Kunth -- accepted
  Croton leptostachyus var. genuinus Müll. Arg. -- not accepted
  Croton leptostachyus var. malacophyllus (Benth.) Müll. Arg. -- not accepted
  Croton leptostachyus var. spathulatus Müll. Arg. -- not accepted
  Croton leucadenius Baill. -- not accepted
  Croton leucocephalus Müll. Arg. -- not accepted
  Croton leuconeurus Pax -- accepted
  Croton leuconeurus ssp. leuconeurus Pax -- accepted
  Croton leuconeurus ssp. mossambicensis Radcl.-Sm. -- accepted
  Croton leucophlebius C. Wright ex Griseb. -- accepted
  Croton leucophyllus Müll. Arg. -- accepted -- twocolor croton
  Croton leucophyllus var. leucophyllus Müll. Arg. -- accepted -- twocolor croton
  Croton leucophyllus var. trisepalis A.M. Ferguson -- accepted
  Croton levatii Guillaumin -- accepted
  Croton leytensis Croizat -- accepted
  Croton lichenisilvae Leandri -- accepted
  Croton liebmannii Müll. Arg. -- accepted
  Croton limae A.P.S. Gomes, M.F. Sales & P.E. Berry -- accepted
  Croton limitincola Croizat -- not accepted
  Croton limnocharis Croizat -- accepted
  Croton lindenianus A. Rich. -- not accepted
  Croton lindheimeri (Engelm. & A. Gray) Alph. Wood -- accepted -- Lindheimer's hogwort
  Croton lindheimerianus Scheele -- accepted -- three-seed croton, threeseed croton
  Croton lindheimerianus var. lindheimerianus Scheele -- accepted -- Lindheimer's threeseed croton, three-seed croton, threeseed croton
  Croton lindheimerianus var. tharpii M.C. Johnst. -- accepted -- Tharp's croton, Tharp's threeseed croton
  Croton lindmanii Urb. -- accepted
  Croton linearifolius Müll. Arg. -- accepted
  Croton linearis Jacq. -- accepted -- grannybush, pineland croton
  Croton linifolius Urb. -- not accepted
  Croton lissophyllus Radcl.-Sm. & Govaerts ex Esser -- accepted
  Croton lithrifolius (Croizat) Radcl.-Sm. & Govaerts -- accepted
  Croton litoralis Urb. -- not accepted
  Croton litoralis var. rugelianus (Urb.) Borhidi & O. Muñiz -- not accepted
  Croton lobatus L. -- not accepted -- lobed croton
  Croton lobatus f. crispus Müll. Arg. -- not accepted
  Croton lobatus f. gracilis Müll. Arg. -- not accepted
  Croton lobatus var. digitatus (Salzm. ex Schltdl.) Müll. Arg. -- not accepted
  Croton lobatus var. genuinus Müll. Arg. -- not accepted
  Croton lobatus var. gracilis (Müll. Arg.) Müll. Arg. -- not accepted
  Croton lobatus var. intermedius Müll. Arg. -- not accepted
  Croton lobatus var. manihot (Baill.) Müll. Arg. -- not accepted
  Croton lobatus var. palmatus Müll. Arg. -- not accepted
  Croton lobatus var. paulinus (Didr.) Müll. Arg. -- not accepted
  Croton lobatus var. riparius (Kunth) Müll. Arg. -- not accepted
  Croton lobatus var. seemannii L. -- not accepted
  Croton lobatus var. sericeus L. -- not accepted
  Croton lombardianus Croizat -- accepted
  Croton longibracteatus Mart. Gord. & de Luna -- accepted
  Croton longicolumellus B.W. van Ee & P.E. Berry -- accepted
  Croton longifolius Müll. Arg. -- accepted
  Croton longinervius Müll. Arg. -- accepted
  Croton longinervius var. major Müll. Arg. -- not accepted
  Croton longinervius var. minor Müll. Arg. -- not accepted
  Croton longipedicellatus J. Léonard -- accepted
  Croton longipedicellatus ssp. austrotanzanicus Radcl.-Sm. -- accepted
  Croton longipedicellatus ssp. longipedicellatus J. Léonard -- accepted
  Croton longipedicellatus var. brevipedicellatus Radcl.-Sm. -- accepted
  Croton longipedicellatus var. glabrescens Radcl.-Sm. -- accepted
  Croton longipedunculatus Elmer -- not accepted
  Croton longipes M.E. Jones -- not accepted
  Croton longipes Gagnep. -- not accepted
  Croton longiracemosus Hutch. -- accepted
  Croton longiradiatus Lanj. -- accepted
  Croton longissimus Airy Shaw -- accepted
  Croton lotorius Croizat -- accepted
  Croton loucoubensis Baill. -- not accepted
  Croton loukandensis Pellegr. -- accepted
  Croton louvelii Leandri -- accepted
  Croton luciae Croizat -- accepted
  Croton lucidus L. -- accepted -- firebush
  Croton lucidus Gage -- not accepted
  Croton luetzelburgii Pax & K. Hoffm. -- accepted
  Croton lundellii Standl. -- accepted
  Croton lundianus (Didr.) Müll. Arg. -- accepted
  Croton lundianus var. bahiensis (Baill.) Müll. Arg. -- not accepted
  Croton lundianus var. genuinus Müll. Arg. -- not accepted
  Croton lundianus var. glabrescens Müll. Arg. -- not accepted
  Croton lundianus var. gracilentus Müll. Arg. -- not accepted
  Croton lundianus var. hilarii (Baill.) Müll. Arg. -- not accepted
  Croton lundianus var. hirtus Müll. Arg. -- not accepted
  Croton lundianus var. intercedens Müll. Arg. -- not accepted
  Croton lundianus var. latifolius (Baill.) Müll. Arg. -- not accepted
  Croton lundianus var. leptophyllus Müll. Arg. -- not accepted
  Croton lundianus var. major Müll. Arg. -- not accepted
  Croton lundianus var. microphyllus (Baill.) Müll. Arg. -- not accepted
  Croton lundianus var. mollis Müll. Arg. -- not accepted
  Croton lundianus var. psilophyllus Müll. Arg. -- not accepted
  Croton lundianus var. pubescens Müll. Arg. -- not accepted
  Croton lundianus var. rufidulus Müll. Arg. -- not accepted
  Croton lundianus var. serratus Müll. Arg. -- not accepted
  Croton lundianus var. similis Müll. Arg. -- not accepted
  Croton lundianus var. subfloccosus (Didr.) Müll. Arg. -- not accepted
  Croton luteobrunneus Baker -- not accepted
  Croton luzianus Müll. Arg. -- accepted
  Croton luzoniensis Müll. Arg. -- accepted
  Croton luzoniensis var. bataanensis Croizat -- accepted
  Croton luzoniensis var. luzoniensis Müll. Arg. -- accepted
  Croton maasii Riina & P.E. Berry -- accepted
  Croton macbridei Croizat -- not accepted
  Croton macradenis Görts & Punt -- accepted
  Croton macraei Hook. f. -- not accepted
  Croton macrobothrys Baill. -- accepted
  Croton macrobuxus Baill. -- accepted
  Croton macrocalyx Mart. ex Baill. -- not accepted
  Croton macrocalyx Ehrenb. ex Schweinf. -- not accepted
  Croton macrocarpus Ridl. -- not accepted
  Croton macrocarpus Rchb. ex Müll. Arg. -- not accepted
  Croton macrochlamys Baill. -- not accepted
  Croton macrodontus Müll. Arg. -- accepted
  Croton macrolepis Radcl.-Sm. & Govaerts -- accepted
  Croton macrostachyus Hochst. ex Delile -- accepted
  Croton macrostachyus var. mollissimus Chiov. -- not accepted
  Croton maculatus Vahl -- accepted
  Croton maestrensis (Alain) B.W. van Ee & P.E. Berry -- accepted
  Croton maevaranensis Leandri -- accepted
  Croton magdalenae Millsp. -- accepted
  Croton magdalenensis Müll. Arg. -- not accepted
  Croton magdalenensis var. glabratus Müll. Arg. -- not accepted
  Croton magdalenensis var. leucoxanthus Müll. Arg. -- not accepted
  Croton magneticus Airy Shaw -- accepted
  Croton mahafaliensis Leandri -- not accepted
  Croton maidenii R.T. Baker -- not accepted
  Croton maieuticus Gagnep. -- not accepted
  Croton malabaricus Bedd. -- accepted
  Croton malacophyllus Benth. -- not accepted
  Croton malacotrichus Müll. Arg. -- not accepted
  Croton malambo H. Karst. -- accepted
  Croton mallotophyllus Croizat -- accepted
  Croton malpighipilus Hicken -- not accepted
  Croton malvaviscifolius Millsp. -- accepted
  Croton malvifolius Griff. -- not accepted
  Croton malvoides (Croizat) Radcl.-Sm. & Govaerts -- accepted
  Croton mamillatus P.I. Forst. -- accepted
  Croton manampetsae Leandri -- accepted
  Croton mangelong Y.T. Chang -- not accepted
  Croton manihot Baill. -- not accepted
  Croton mansfeldii Urb. -- accepted
  Croton marcuzzianus Croizat -- not accepted
  Croton margaritensis J.R. Johnst. -- not accepted
  Croton marginatus A. Cunn. ex Benth. -- not accepted
  Croton maritimus Walter -- not accepted
  Croton martii Müll. Arg. -- not accepted
  Croton martii var. latifolius Müll. Arg. -- not accepted
  Croton martii var. longifolius Müll. Arg. -- not accepted
  Croton martinianus V.W. Steinm. -- accepted
  Croton masonii I.M. Johnst. -- accepted
  Croton massangeanum Linden ex André -- not accepted
  Croton matourensis Aubl. -- accepted
  Croton matourensis var. benthamianus Müll. Arg. -- not accepted
  Croton matourensis var. genuinus Müll. Arg. -- not accepted
  Croton matourensis var. poeppigianus Müll. Arg. -- not accepted
  Croton matourensis var. sericeus Müll. Arg. -- not accepted
  Croton matronalis Baill. -- not accepted
  Croton mauralis E.H.L. Krause -- not accepted
  Croton mauritianus Lam. -- accepted
  Croton mauritianus Stadtm. ex Willemet -- not accepted
  Croton mauritianus Thouars ex Baill. -- not accepted
  Croton mavoravina Leandri -- accepted
  Croton mayanus B.L. León & H.F.M. Vester -- accepted
  Croton mayumbensis J. Léonard -- accepted
  Croton mazapensis Lundell -- accepted
  Croton mazapensis var. mazapensis Lundell -- accepted
  Croton mazapensis var. obtusifolius (Müll. Arg.) G.L. Webster -- accepted
  Croton mazapensis var. pacificus G.L. Webster -- accepted
  Croton mcvaughii G.L. Webster -- accepted
  Croton mearnsii De Wild. -- not accepted
  Croton medians Müll. Arg. -- accepted
  Croton medusae Müll. Arg. -- accepted
  Croton meeboldianus Chakrab. & N.P. Balakr. -- accepted
  Croton meeusei Leandri -- accepted
  Croton megaladenus Urb. -- accepted
  Croton megalobotryoides De Wild. -- accepted
  Croton megalobotrys Müll. Arg. -- accepted -- large fever berry
  Croton megalocalyx Müll. Arg. -- accepted
  Croton megalocarpoides Friis & M.G. Gilbert -- accepted
  Croton megalocarpus Hutch. -- accepted
  Croton megalodendron Müll. Arg. -- accepted
  Croton megistocarpus J.A. Gonzalez & Poveda -- accepted
  Croton mekongensis Gagnep. -- accepted
  Croton melanoleucus Müll. Arg. -- accepted
  Croton membranaceus Müll. Arg. -- accepted
  Croton menabeensis Leandri -- accepted
  Croton menarandrae Leandri -- accepted
  Croton menthodorus Benth. -- accepted
  Croton mentiens (S. Moore) Pax -- accepted
  Croton menyhartii Pax -- accepted
  Croton meridionalis Leandri -- accepted
  Croton merrillianus Croizat -- accepted
  Croton metallicus Müll. Arg. -- accepted
  Croton mexicanus Müll. Arg. -- accepted
  Croton mexicanus var. glabrescens Müll. Arg. -- not accepted
  Croton mexicanus var. glandulosus Müll. Arg. -- not accepted
  Croton mexicanus var. subintegrifolius Müll. Arg. -- not accepted
  Croton miarensis Leandri -- accepted
  Croton micans Sw. -- accepted
  Croton micans var. argyroglossus (Baill.) Müll. Arg. -- not accepted
  Croton micans var. argyrophyllus (Kunth) Müll. Arg. -- not accepted
  Croton micans var. genuinus Müll. Arg. -- not accepted
  Croton micans var. pubescens (Klotzsch) Müll. Arg. -- not accepted
  Croton michaelii V.W. Steinm. -- accepted
  Croton michauxii G.L. Webster -- accepted -- Michaux's croton, narrowleaf rushfoil
  Croton michauxii var. elliptica (Willd.) B.W. van Ee & P.E. Berry -- accepted -- elliptic-leaf rushfoil, Willdenow's croton
  Croton michauxii var. michauxii G.L. Webster -- accepted -- Michaux's croton, narrowleaf rushfoil
  Croton micradenus Urb. -- accepted
  Croton micranthus Müll. Arg. -- not accepted
  Croton microbotryus Pax -- not accepted
  Croton microcalyx (Müll. Arg.) G.L. Webster -- accepted
  Croton microcarpus Ham. -- accepted -- money croton
  Croton microdon Urb. -- not accepted
  Croton microgyne Croizat -- accepted
  Croton microphyllinus Radcl.-Sm. & Govaerts -- accepted
  Croton microphyllus Lam. -- not accepted
  Croton microprunus Baill. -- not accepted
  Croton microtiglium Burkill -- accepted
  Croton migrans Casar. -- not accepted
  Croton milanjensis Leandri -- accepted
  Croton milleri J.R. Johnst. -- accepted
  Croton mimeticus S. Moore -- not accepted
  Croton minarum Müll. Arg. -- not accepted
  Croton minimus P.I. Forst. -- accepted
  Croton minutiflorus Müll. Arg. -- not accepted
  Croton miquelensis A.M. Ferguson -- not accepted
  Croton miradorensis Müll. Arg. -- accepted
  Croton miraflorensis Borhidi -- accepted
  Croton mirus Domin -- not accepted
  Croton missionum Croizat -- accepted
  Croton moanus Urb. -- not accepted
  Croton mocinoi Radcl.-Sm. & Govaerts -- not accepted
  Croton mocquerysii Aug. DC. -- accepted
  Croton mohavensis (A.M. Ferguson) Tidestr. -- not accepted
  Croton mollis Benth. -- accepted
  Croton mollissimus Geiseler -- not accepted
  Croton mollissimus Vahl ex Geiseler -- not accepted
  Croton mollivelus Baill. -- not accepted
  Croton moluccanus L. -- not accepted
  Croton moluccanus Willd. -- not accepted
  Croton monachinoensis Jabl. -- not accepted
  Croton monanthogynus Michx. -- accepted -- oneseeded croton, prairie tea, prairie-tea
  Croton mongue Baill. -- accepted
  Croton mongue var. vatambensis Leandri -- not accepted
  Croton monogynus Urb. -- accepted
  Croton montanus Geiseler -- not accepted
  Croton montanus Willd. -- not accepted
  Croton montevidensis Spreng. -- accepted
  Croton monticola Steud. -- not accepted
  Croton montis-silam Airy Shaw -- accepted
  Croton moonii Thwaites -- accepted
  Croton mooriae Greenway ex Burtt Davy & Hoyle -- not accepted
  Croton moraharivensis Leandri -- accepted
  Croton morifolius Willd. -- accepted
  Croton morifolius var. brandegeanus (Croizat) G.L. Webster -- accepted
  Croton morifolius var. genuinus Willd. -- not accepted
  Croton morifolius var. lanatus Willd. -- not accepted
  Croton morifolius var. morifolius Willd. -- accepted
  Croton morifolius var. obtusifolius Willd. -- not accepted
  Croton morifolius var. sphaerocarpus (Kunth) Müll. Arg. -- accepted
  Croton moritibensis Baill. -- accepted
  Croton morobensis Croizat -- accepted
  Croton morobensis var. multinervis Airy Shaw -- not accepted
  Croton morotaeus Airy Shaw -- accepted
  Croton moustiquensis Urb. -- accepted
  Croton mubango Müll. Arg. -- accepted
  Croton mucronatus Willd. -- not accepted
  Croton mucronifolius Müll. Arg. -- accepted
  Croton muelleri J.M. Coult. -- not accepted
  Croton multicaulis P.I. Forst. -- accepted
  Croton multicaulis ssp. multicaulis P.I. Forst. -- accepted
  Croton multicaulis ssp. velutinus P.I. Forst. -- accepted
  Croton multicolor Veitch ex Andre -- not accepted
  Croton multicostatus Müll. Arg. -- accepted
  Croton multicostatus Pittier -- not accepted
  Croton multiglandulosus Reinw. ex Blume -- not accepted
  Croton multispicatus Vell. -- not accepted
  Croton munizii Borhidi -- accepted
  Croton murex Croizat -- accepted
  Croton muricatus Vahl -- accepted
  Croton muricatus Nutt. -- not accepted
  Croton muricatus Bojer -- not accepted
  Croton muricatus Blanco -- not accepted
  Croton muriculatus Airy Shaw -- accepted
  Croton musaicus André -- not accepted
  Croton muscicapa Müll. Arg. -- accepted
  Croton mutabilis P.I. Forst. -- accepted
  Croton mutisianus Kunth -- accepted
  Croton myriadenus Müll. Arg. -- not accepted
  Croton myriadenus f. abortivus Müll. Arg. -- not accepted
  Croton myriadenus var. normalis Müll. Arg. -- not accepted
  Croton myriadenus var. parvifolius Müll. Arg. -- not accepted
  Croton myrianthus Müll. Arg. -- accepted
  Croton myriaster Baker -- accepted
  Croton myriaster var. austromadecassa Leandri -- not accepted
  Croton myricifolius Griseb. -- accepted
  Croton myrsinites Baill. -- accepted
  Croton nanus Gagnep. -- accepted
  Croton nanus Urb. & Ekman -- not accepted
  Croton neblinae Jabl. -- accepted
  Croton nepalensis T. Kuros. -- accepted
  Croton nepetifolius Baill. -- accepted
  Croton nephrophyllus Urb. & Ekman -- accepted
  Croton nervosus Klotzsch -- not accepted
  Croton nervosus Rich. ex A. Rich. -- not accepted
  Croton nervosus Rottler -- not accepted
  Croton nervosus var. pubescens Klotzsch -- not accepted
  Croton nervosus var. villosus Klotzsch -- not accepted
  Croton nicaraguensis Radcl.-Sm. & Govaerts -- not accepted
  Croton nigricans (Mart. ex Schltdl.) Radcl.-Sm. & Govaerts -- accepted
  Croton nigritanus Scott-Elliot -- accepted
  Croton nigroviridis Thwaites -- accepted
  Croton niloticus Müll. Arg. -- not accepted
  Croton nipensis Urb. -- not accepted
  Croton nitens Sw. -- accepted
  Croton nitidulifolius Croizat -- accepted
  Croton nitidulus Baker -- accepted
  Croton nitidulus var. grandifolia Leandri -- not accepted
  Croton nitidulus var. meridionalis Leandri -- not accepted
  Croton nitidulus var. parvifolia Leandri -- not accepted
  Croton nitidulus var. spatulata Leandri -- not accepted
  Croton nitidulus var. tandrokensis Leandri -- not accepted
  Croton nitrariifolius Baill. -- accepted
  Croton nitrariifolius var. divaricatus Müll. Arg. -- not accepted
  Croton nitrariifolius var. genuinus Müll. Arg. -- not accepted
  Croton nitrariifolius var. polymorphus (Müll. Arg.) Müll. Arg. -- not accepted
  Croton nitrariifolius var. velleriflorus (Baill.) Müll. Arg. -- not accepted
  Croton niveus Jacq. -- accepted
  Croton niveus Billb. ex Beurl. -- not accepted
  Croton niveus Griseb. -- not accepted
  Croton nivifer S. Moore -- accepted
  Croton nobilis Baill. -- accepted
  Croton nobilis var. delphinensis Leandri -- not accepted
  Croton noronhae Baill. -- accepted
  Croton novae-astigis Croizat -- accepted
  Croton nubigenus G.L. Webster -- accepted
  Croton nudatus Baill. -- accepted
  Croton nudifolius Baker & Hutch. -- not accepted
  Croton nudulus Croizat -- accepted
  Croton nudus Willd. ex Schltdl. -- not accepted
  Croton nummulariifolius A. Rich. -- accepted -- money croton
  Croton nummularius Baill. -- accepted
  Croton nuntians Croizat -- accepted
  Croton nutans G. Forst. -- not accepted
  Croton obliquifolius Vis. -- not accepted
  Croton obliquus Vahl -- not accepted
  Croton oblongifolius Roxb. -- not accepted
  Croton oblongifolius Delile -- not accepted
  Croton oblongifolius Sieber ex Spreng. -- not accepted
  Croton oblongus Burm. f. -- accepted
  Croton obtusus Rusby -- not accepted
  Croton ochromifolius Rusby -- not accepted
  Croton odontadenius Müll. Arg. -- accepted
  Croton odontopetalus Müll. Arg. -- not accepted
  Croton odoratus Ridl. -- not accepted
  Croton oerstedianus Müll. Arg. -- accepted
  Croton officinalis (Klotzsch) Alston -- not accepted
  Croton olanchanus Standl. & L.O. Williams -- accepted
  Croton oligandrus Pierre ex Hutch. -- accepted
  Croton oliganthus Müll. Arg. -- accepted
  Croton olivaceus Müll. Arg. -- accepted
  Croton olivaceus Y.T. Chang & P.T. Li -- not accepted
  Croton ophiticola Borhidi -- accepted
  Croton opponens F. Muell. ex Benth. -- not accepted
  Croton oppositifolius Geiseler -- not accepted
  Croton orbicularis Thunb. -- accepted
  Croton orbignyanus Müll. Arg. -- accepted
  Croton oreades Leandri -- accepted
  Croton oreades var. occidentalis Leandri -- not accepted
  Croton oreoborneicus Croizat -- not accepted
  Croton oreophilus Müll. Arg. -- not accepted
  Croton organensis Baill. -- accepted
  Croton orientensis Borhidi -- accepted
  Croton origanifolius Lam. -- accepted
  Croton origanifolius var. discolor Müll. Arg. -- not accepted
  Croton origanifolius var. genuinus Müll. Arg. -- not accepted
  Croton origanifolius var. gracilis Müll. Arg. -- not accepted
  Croton origanifolius var. heterophyllus Müll. Arg. -- not accepted
  Croton orinocensis Müll. Arg. -- accepted
  Croton ortegae Standl. -- accepted
  Croton ortholobus Müll. Arg. -- accepted
  Croton ovalifolius Vahl -- accepted -- yerba
  Croton ovalifolius var. genuinus Müll. Arg. -- not accepted
  Croton ovalifolius var. nummularius (Baill.) Müll. Arg. -- not accepted
  Croton ovatus Noronha -- not accepted
  Croton oxypetalus Müll. Arg. -- not accepted
  Croton pachecensis S. Moore -- accepted
  Croton pachycalyx Müll. Arg. -- not accepted
  Croton pachyclados Radcl.-Sm. -- not accepted
  Croton pachypodus G.L. Webster -- accepted
  Croton pachyrachis Alain -- accepted
  Croton pachysepalus Griseb. -- accepted
  Croton padifolius Geiseler -- not accepted
  Croton pagiveteris Croizat -- accepted
  Croton pakaraimae Jabl. -- not accepted
  Croton palanostigma Klotzsch -- accepted
  Croton palawanensis Merr. ex Croizat -- accepted
  Croton pallens Sw. -- not accepted
  Croton pallidulus Baill. -- accepted
  Croton pallidulus var. myrianthus (Müll. Arg.) L.B. Sm. & S.F. Sm. -- not accepted
  Croton pallidus Müll. Arg. -- accepted
  Croton palmeri S. Watson -- accepted
  Croton paludosus Müll. Arg. -- accepted
  Croton palustris L. -- not accepted
  Croton palustris Vell. -- not accepted
  Croton palustris Kunth -- not accepted
  Croton pampangensis Croizat -- accepted
  Croton panamensis (Klotzsch) Müll. Arg. -- not accepted
  Croton panduriformis Müll. Arg. -- accepted
  Croton paniculatus Müll. Arg. -- not accepted
  Croton paniculatus Lam. -- not accepted
  Croton pannosus Thunb. -- accepted
  Croton paraensis Müll. Arg. -- accepted
  Croton paraguayensis Chodat -- accepted
  Croton pardinus Müll. Arg. -- accepted
  Croton parhamii Croizat -- accepted
  Croton parksii Croizat -- accepted -- Parks' croton
  Croton parodianus Croizat -- accepted
  Croton parvifolius Müll. Arg. -- accepted
  Croton pascualii E.J. Lott & M. Martinez-G. -- accepted
  Croton patrum L.B. Sm. & Downs -- accepted
  Croton patulus Lag. -- not accepted
  Croton paucistamineus Müll. Arg. -- accepted
  Croton pauperulus Müll. Arg. -- not accepted
  Croton pavana Buch.-Ham. -- not accepted
  Croton pavonianus Radcl.-Sm. & Govaerts -- not accepted
  Croton pavonis Müll. Arg. -- accepted
  Croton payaquensis Standl. -- accepted
  Croton payerianus Baill. -- not accepted
  Croton pedersenii Ahumada -- accepted
  Croton pedicellatus Kunth -- accepted
  Croton peekelii Lauterb. -- accepted
  Croton pellitus Kunth -- accepted
  Croton peltatus Thunb. -- accepted
  Croton peltieri Leandri -- accepted
  Croton peltoideus Kunth -- not accepted
  Croton peltophorus Müll. Arg. -- accepted
  Croton penaeaceus Baill. -- not accepted
  Croton pendens Lundell -- accepted
  Croton penduliflorus Hutch. -- accepted
  Croton penicillatus Vent. -- not accepted
  Croton penninervis Scheele -- accepted
  Croton pentandrus Müll. Arg. -- not accepted
  Croton peraeruginosus Croizat -- accepted
  Croton peraffinis Müll. Arg. -- accepted
  Croton perdicipes A. St.-Hil. -- not accepted
  Croton perdicipes var. genuinus Baill. -- not accepted
  Croton perdicipes var. latifolius Baill. -- not accepted
  Croton perdicipes var. minor Baill. -- not accepted
  Croton perdicipes var. weddellianus Baill. -- not accepted
  Croton perimetralensis Secco -- accepted
  Croton perintricatus Croizat -- accepted
  Croton perlongiflorus Croizat -- accepted
  Croton perobtusus Lundell -- not accepted
  Croton perrieri Leandri -- accepted
  Croton perrottetianus Baill. -- not accepted
  Croton persicaria Baill. -- accepted
  Croton persimilis Müll. Arg. -- not accepted
  Croton persimilis var. genuinus Müll. Arg. -- not accepted
  Croton persimilis var. glabratus Müll. Arg. -- not accepted
  Croton perspeciosus Croizat -- accepted
  Croton peruvianus Briq. -- accepted
  Croton pervestitus C. Wright ex Griseb. -- accepted
  Croton perviscosus Croizat -- accepted
  Croton petraeus Müll. Arg. -- accepted
  Croton petraeus var. oblongifolius Müll. Arg. -- not accepted
  Croton petraeus var. ovatus Müll. Arg. -- not accepted
  Croton phaenodon Airy Shaw -- accepted
  Croton phebalioides F. Muell. ex Müll. Arg. -- accepted
  Croton phebalioides A. Cunn. ex Benth. -- not accepted
  Croton phebalioides var. acuminatus Domin -- not accepted
  Croton phebalioides var. hirsuta F.M. Bailey -- not accepted
  Croton phebalioides var. stigmatosus (F. Muell.) Domin -- not accepted
  Croton philippensis Lam. -- not accepted
  Croton philippsii B.S. Williams -- not accepted
  Croton philombros Croizat -- not accepted
  Croton phlomoides Pers. -- not accepted
  Croton phlomoides Salzm. ex Baill. -- not accepted
  Croton phuquocensis Croizat -- accepted
  Croton phyllanthus (Chodat & Hassl.) G.L. Webster -- accepted
  Croton piauhiensis Müll. Arg. -- accepted
  Croton picardae Urb. -- not accepted
  Croton picturatum André -- not accepted
  Croton pictus Lodd. -- not accepted
  Croton pierrei Gagnep. -- not accepted
  Croton pigmentarius Noronha -- not accepted
  Croton pilargyros Croizat -- not accepted
  Croton pilophorus Airy Shaw -- accepted
  Croton pilosus Spreng. -- accepted
  Croton pilulifer Rusby -- accepted
  Croton piptocalyx Müll. Arg. -- accepted
  Croton pittieri Pax -- not accepted
  Croton plagiograptus Müll. Arg. -- accepted
  Croton platanifolius Baker -- not accepted
  Croton platycladus Müll. Arg. -- not accepted
  Croton pleytei Airy Shaw -- accepted
  Croton plicatus Vahl -- not accepted
  Croton plukenetii Geiseler -- not accepted
  Croton plumieri Urb. -- not accepted
  Croton poecilanthus Urb. -- accepted -- sabinon
  Croton poggei Pax -- accepted
  Croton pohlianus Müll. Arg. -- accepted
  Croton pohlianus var. semiglabratus Müll. Arg. -- not accepted
  Croton poilanei Gagnep. -- accepted
  Croton poitaei Urb. -- accepted
  Croton polot Burm. f. -- accepted
  Croton polyandrus Spreng. -- accepted
  Croton polycarpus Benth. -- not accepted
  Croton polygamus Jacq. -- not accepted
  Croton polygonoides L.B. Sm. & Downs -- accepted
  Croton polymorphus Müll. Arg. -- not accepted
  Croton polymorphus var. glabrescens Müll. Arg. -- not accepted
  Croton polymorphus var. velleriflorus (Baill.) Müll. Arg. -- not accepted
  Croton polypleurus Croizat -- accepted
  Croton polystachyus Hook. & Arn. -- not accepted
  Croton polystachyus Spreng. -- not accepted
  Croton polytomus Urb. -- accepted
  Croton polytrichus Pax -- accepted
  Croton polytrichus ssp. brachystachyus Radcl.-Sm. -- accepted
  Croton polytrichus ssp. polytrichus Pax -- accepted
  Croton pomaderris Baill. -- accepted
  Croton pontis Croizat -- accepted
  Croton populifolius Mill. -- not accepted
  Croton populifolius var. essequiboensis (Klotzsch ex Benth.) Müll. Arg. -- not accepted
  Croton populifolius var. genuinus Müll. Arg. -- not accepted
  Croton portoricensis P.T. Li -- not accepted
  Croton potabilis Croizat -- accepted
  Croton potaroensis Lanj. -- accepted
  Croton pottsii (Klotzsch) Müll. Arg. -- accepted -- leatherweed, leatherweed croton
  Croton pottsii var. pottsii (Klotzsch) Müll. Arg. -- accepted -- encinilla, leather croton, leatherweed, leatherweed croton, Potts' leatherweed
  Croton pottsii var. thermophilus (M.C. Johnst.) M.C. Johnst. -- accepted -- leatherweed
  Croton pringlei S. Watson -- not accepted
  Croton priorianus Urb. -- accepted
  Croton priscus Croizat -- accepted
  Croton procumbens Jacq. -- accepted
  Croton procumbens C. Wright ex Griseb. -- not accepted
  Croton promunturii Leandri -- accepted
  Croton prostratus Urb. -- accepted
  Croton prunifolius Airy Shaw -- not accepted
  Croton prunifolius Vahl -- not accepted
  Croton psammophilus Lillo -- not accepted
  Croton pseudoadipatus Croizat -- accepted
  Croton pseudochina Schltdl. -- not accepted
  Croton pseudofragrans Croizat -- accepted
  Croton pseudogracilipes Pax & K. Hoffm. -- not accepted
  Croton pseudoniloticus De Wild. -- accepted
  Croton pseudoniveus Lundell -- accepted
  Croton pseudopopulus Baill. -- accepted
  Croton pseudopulchellus Pax -- accepted
  Croton pseudoxalapensis Croizat -- not accepted
  Croton pseudoxalapensis var. cobanensis Croizat -- not accepted
  Croton pubens Domin -- not accepted
  Croton pubescens Geiseler -- accepted
  Croton pulchellus Baill. -- not accepted
  Croton pulcher Müll. Arg. -- accepted
  Croton pulcherrimus Willd. ex Schltdl. -- not accepted
  Croton pulegiodorus Baill. -- accepted
  Croton pullei Lanj. -- accepted
  Croton pullei var. glabrior Lanj. -- accepted
  Croton pullei var. pullei Lanj. -- accepted
  Croton punctatus Jacq. -- accepted -- gulf croton
  Croton punctatus Moon -- not accepted
  Croton punctatus Retz. -- not accepted
  Croton punctatus A. Rich. ex Baill. -- not accepted
  Croton punctatus Lour. -- not accepted
  Croton punctatus Anderson -- not accepted
  Croton pungens Jacq. -- accepted
  Croton pungens var. genuinus Müll. Arg. -- not accepted
  Croton pungens var. rhomboidalis Müll. Arg. -- not accepted
  Croton purdiaei Müll. Arg. -- accepted
  Croton purpurascens Y.T. Chang -- accepted
  Croton purpusii Brandegee -- accepted
  Croton pusilliflorus Croizat -- not accepted
  Croton pycnadenius Müll. Arg. -- accepted
  Croton pycnanthus Benth. -- accepted
  Croton pycnocarpus Müll. Arg. -- not accepted
  Croton pycnocephalus Baill. -- accepted
  Croton pycnocephalus var. chamaepitys (Baill.) Müll. Arg. -- not accepted
  Croton pycnocephalus var. echinulatus Griseb. -- not accepted
  Croton pycnocephalus var. genuinus Müll. Arg. -- not accepted
  Croton pycnocephalus var. intermedius Müll. Arg. -- not accepted
  Croton pycnocephalus var. lachnostephanus (Baill.) Müll. Arg. -- not accepted
  Croton pycnophyllus Salzm. ex Schltdl. -- accepted
  Croton pycnotrichus Müll. Arg. -- not accepted
  Croton pycnotrichus var. angustifolius Müll. Arg. -- not accepted
  Croton pycnotrichus var. lanceolatus Müll. Arg. -- not accepted
  Croton pygmaeus L.R. Lima -- accepted
  Croton pynaertii De Wild. -- accepted
  Croton pyramidalis Donn. Sm. -- not accepted
  Croton pyrifolius Müll. Arg. -- accepted
  Croton pyriticus Croizat -- not accepted
  Croton pyrosoma (Croizat) Radcl.-Sm. & Govaerts -- accepted
  Croton quadripartitus Labill. -- not accepted
  Croton quadrisetosus Lam. -- accepted
  Croton quercetorum Croizat -- accepted
  Croton quinquecuspidatus A. Juss. -- not accepted
  Croton quintasii Allem -- accepted
  Croton quisumbingianus Croizat -- accepted
  Croton quitensis Spreng. -- not accepted
  Croton racemosus Burm. f. -- accepted
  Croton radlkoferi Pax & K. Hoffm. -- accepted
  Croton rakotoniainii Leandri -- accepted
  Croton ramboi Allem -- accepted
  Croton ramellae Ahumada -- accepted
  Croton ramiflorus J. Graham -- not accepted
  Croton ramillatus Croizat -- accepted
  Croton ramillatus var. insignilobus Croizat -- not accepted
  Croton ranohirae Leandri -- accepted
  Croton rarus P.I. Forst. -- accepted
  Croton rectangularis Urb. -- not accepted
  Croton rectipilis Croizat -- accepted
  Croton redolens Pittier -- accepted
  Croton reflexifolius Kunth -- accepted
  Croton refractus Müll. Arg. -- accepted
  Croton regeneratrix Leandri -- accepted
  Croton regeneratrix var. perrieriensis Leandri -- not accepted
  Croton rehderianus Croizat -- accepted
  Croton reitzii L.B. Sm. & Downs -- accepted
  Croton repandus Rottler -- not accepted
  Croton repens Schltdl. -- accepted
  Croton reticulatus Willd. -- not accepted
  Croton revolutus (Alain) B.W. van Ee & P.E. Berry -- accepted
  Croton rhamnifolioides Pax & K. Hoffm. -- accepted
  Croton rhamnifolius Kunth -- not accepted
  Croton rhamnifolius Willd. -- not accepted
  Croton rhamnifolius var. alagoensis Müll. Arg. -- not accepted
  Croton rhamnifolius var. antillanus Müll. Arg. -- not accepted
  Croton rhamnifolius var. casarettoanus Müll. Arg. -- not accepted
  Croton rhamnifolius var. caudatus Pax -- not accepted
  Croton rhamnifolius var. conduplicatus (Kunth) Müll. Arg. -- not accepted
  Croton rhamnifolius var. genuinus Müll. Arg. -- not accepted
  Croton rhamnifolius var. heliotropiifolius (Kunth) Müll. Arg. -- not accepted
  Croton rhamnifolius var. moritibensis (Baill.) Müll. Arg. -- not accepted
  Croton rhamnifolius var. salviifolius (Kunth) Müll. Arg. -- not accepted
  Croton rheedei J. Graham -- accepted
  Croton rheophyticus Airy Shaw -- accepted
  Croton rhexiifolius Baill. -- accepted
  Croton rhodostachyus Müll. Arg. -- accepted
  Croton rhombifolius Willd. -- not accepted
  Croton richardii Willd. -- not accepted
  Croton ricinocarpus L. -- not accepted
  Croton ricinoides Pers. -- not accepted
  Croton ricinokarpos Houtt. -- not accepted
  Croton riedelianus Müll. Arg. -- not accepted
  Croton rigidus Britton -- not accepted -- yellow balsam
  Croton rimbachii Croizat -- accepted
  Croton riparius Kunth -- not accepted
  Croton ripensis Kaneh. & Hatus. -- accepted
  Croton rivinifolius Kunth -- accepted
  Croton rivinoides Chodat -- not accepted
  Croton rivularis Müll. Arg. -- accepted
  Croton robustior (L.B. Sm. & Downs) Radcl.-Sm. & Govaerts -- accepted
  Croton robustus Kurz -- accepted
  Croton robustus var. serratus Chakrab., N.P. Balakr. & D. Gupta -- not accepted
  Croton roraimensis Croizat -- accepted
  Croton roraimensis var. subinteger Steyerm. -- not accepted
  Croton rosarianus Mart. Gord. & Cruz Durán -- accepted
  Croton rosmarinifolius Griseb. -- not accepted
  Croton rosmarinifolius A. Cunn. -- not accepted
  Croton rosmarinifolius Drumm. ex Müll. Arg. -- not accepted
  Croton rosmarinifolius Salisb. -- not accepted
  Croton rosmarinifolius A. Cunn. ex Benth. -- not accepted
  Croton rosmarinoides Millsp. -- accepted
  Croton rottleri Geiseler -- not accepted
  Croton rottlerifolius Baill. -- accepted
  Croton roxanae Croizat -- accepted
  Croton roxburghii N.P. Balakr. -- accepted
  Croton rubiginosus Croizat -- accepted
  Croton rubinoensis Aubrév. -- not accepted
  Croton rubricapitirupis Leandri -- accepted
  Croton rudolphianus Müll. Arg. -- accepted
  Croton rufescens Müll. Arg. -- not accepted
  Croton rufidulus Baill. -- not accepted
  Croton rufolepidotus Caruzo & Riina -- accepted
  Croton rugelianus (Urb.) Urb. -- not accepted
  Croton ruizianus Müll. Arg. -- accepted
  Croton ruizianus var. cordatus Müll. Arg. -- not accepted
  Croton ruizianus var. ovatus Müll. Arg. -- not accepted
  Croton ruizianus var. podadenius Müll. Arg. -- not accepted
  Croton rupestris (Chodat & Hassl.) G.L. Webster -- accepted
  Croton rusbyi Britton ex Rusby -- accepted
  Croton russulus Croizat -- accepted
  Croton rutilus (Chodat & Hassl.) G.L. Webster -- accepted
  Croton sabanensis Urb. -- not accepted
  Croton sacaquinha Croizat -- accepted
  Croton sagraeanus Müll. Arg. -- accepted
  Croton saipanensis Hosok. -- accepted
  Croton sakamaliensis Leandri -- accepted
  Croton sakamaliensis var. microphylla Leandri -- not accepted
  Croton salicifolius Gagnep. -- not accepted
  Croton salicifolius Geiseler -- not accepted
  Croton saltensis Griseb. -- accepted
  Croton saltensis var. discolor Griseb. -- not accepted
  Croton salutaris Casar. -- accepted
  Croton salvifolius Mill. -- not accepted
  Croton salviformis Baill. -- accepted
  Croton salviformis var. rufopunctata Leandri -- not accepted
  Croton salviifolius Kunth -- not accepted
  Croton salzmannii (Baill.) G.L. Webster -- accepted
  Croton samarensis Airy Shaw -- accepted
  Croton sambiranensis Leandri -- not accepted
  Croton sampatik Müll. Arg. -- accepted
  Croton sanctae-crucis S. Moore -- accepted
  Croton sancti-lazari Croizat -- accepted -- Trans-Pecos croton
  Croton sancti-paulii Croizat -- accepted
  Croton sanguifluus Kunth -- not accepted
  Croton sanguis-draconis Mart. ex Baill. -- not accepted
  Croton santaritensis Huft -- accepted
  Croton santisukii Airy Shaw -- accepted
  Croton santolinus Baill. -- accepted
  Croton sapiiflorus Croizat -- accepted
  Croton sapiifolius Müll. Arg. -- accepted
  Croton sarcopetaloides S. Moore -- accepted
  Croton sarcopetalus Müll. Arg. -- not accepted
  Croton sarocarpus Balf. f. -- accepted
  Croton saxosus Müll. Arg. -- not accepted
  Croton scaber Willd. -- accepted
  Croton scaber var. genuinus Müll. Arg. -- not accepted
  Croton scaber var. lanceolatus Müll. Arg. -- not accepted
  Croton scaber var. latifolius Müll. Arg. -- not accepted
  Croton scaber var. obscurus Müll. Arg. -- not accepted
  Croton scaber var. viridis Müll. Arg. -- not accepted
  Croton scaberrimus Müll. Arg. -- not accepted
  Croton scabiosus Bedd. -- accepted
  Croton scandens Vell. -- not accepted
  Croton scandens Sieber ex C. Presl -- not accepted
  Croton scarciesii Scott Elliot -- not accepted
  Croton scheffleri Pax -- accepted
  Croton schiedeanus Schltdl. -- accepted
  Croton schimperianus Müll. Arg. -- accepted
  Croton schimperianus var. acutissimus Chiov. -- not accepted
  Croton schomburgkianus A.P.S. Gomes & M.F. Sales -- accepted
  Croton schultesii Müll. Arg. -- accepted
  Croton schultzii Benth. -- accepted
  Croton sclerocalyx (Didr.) Müll. Arg. -- accepted
  Croton sclerocalyx f. luxurians Müll. Arg. -- not accepted
  Croton sclerocalyx var. genuinus Müll. Arg. -- not accepted
  Croton sclerocalyx var. hirsutissimus Müll. Arg. -- not accepted
  Croton sclerocalyx var. hispidus Müll. Arg. -- not accepted
  Croton sclerocalyx var. intermedius Müll. Arg. -- not accepted
  Croton sclerocalyx var. lanceolatus Müll. Arg. -- not accepted
  Croton sclerocalyx var. pubescens Müll. Arg. -- not accepted
  Croton sclerocalyx var. rufidulus (Baill.) Müll. Arg. -- not accepted
  Croton sclerodorus Baill. -- not accepted
  Croton scopuligenus Croizat -- accepted
  Croton scordioides Lam. -- not accepted
  Croton scoriarum Leandri -- accepted
  Croton scottii Baill. -- accepted
  Croton scouleri Hook. f. -- accepted
  Croton scouleri f. incanus (Andersson) Müll. Arg. -- not accepted
  Croton scouleri f. microphyllus (Andersson) Müll. Arg. -- not accepted
  Croton scouleri f. verus Müll. Arg. -- not accepted
  Croton scouleri var. albescens (Andersson) Müll. Arg. -- not accepted
  Croton scouleri var. brevifolius (Andersson) Müll. Arg. -- accepted
  Croton scouleri var. darwinii G.L. Webster -- accepted
  Croton scouleri var. genuinus Müll. Arg. -- not accepted
  Croton scouleri var. grandifolius Müll. Arg. -- accepted
  Croton scouleri var. macraei (Hook. f.) Müll. Arg. -- not accepted
  Croton scouleri var. scouleri Hook. f. -- accepted
  Croton scutatus P.E. Berry -- accepted
  Croton sebiferum L. -- not accepted
  Croton segoviarus Standl. & L.O. Williams -- accepted
  Croton seineri Pax -- not accepted
  Croton sellowianus (Klotzsch) Baill. -- not accepted
  Croton sellowianus f. angustifolius Müll. Arg. -- not accepted
  Croton sellowianus f. brevifolius Müll. Arg. -- not accepted
  Croton sellowianus var. tomentosus Müll. Arg. -- not accepted
  Croton sellowii Baill. -- accepted
  Croton seminudus Müll. Arg. -- accepted
  Croton semivestitus Müll. Arg. -- accepted
  Croton semunculus Croizat -- not accepted
  Croton senegalensis Lam. -- not accepted
  Croton senescens Croizat -- accepted
  Croton sepalinus Airy Shaw -- accepted
  Croton seretii Vermoesen ex De Wild. -- accepted
  Croton sericeus Schltdl. & Cham. -- not accepted
  Croton sericeus Lam. -- not accepted
  Croton serpyllifolius Baill. -- accepted
  Croton serpyllifolius Müll. Arg. -- not accepted
  Croton serpylloides Griseb. -- not accepted
  Croton serratifolius Baill. -- accepted
  Croton serratoideus Radcl.-Sm. & Govaerts -- accepted
  Croton serratus (Klotzsch) Müll. Arg. -- accepted
  Croton serratus var. dichotomus Müll. Arg. -- not accepted
  Croton serratus var. genuinus Müll. Arg. -- not accepted
  Croton sesseianus P.T. Li -- not accepted
  Croton setiger Hook. -- accepted -- dove weed, turkey mullein
  Croton sexmetralis Croizat -- accepted
  Croton shepherdiifolius S. Schauer -- not accepted
  Croton shreveanus Croizat -- accepted
  Croton siamensis Craib -- not accepted
  Croton sibundoyensis Croizat -- accepted
  Croton siderophyllus Baill. -- accepted
  Croton siderophyllus var. genuinus Müll. Arg. -- not accepted
  Croton siderophyllus var. hirsutus Müll. Arg. -- not accepted
  Croton siderophyllus var. velutinus (Baill.) Müll. Arg. -- not accepted
  Croton sidifolius Lam. -- accepted
  Croton sidifolius var. domingensis (Vahl) Müll. Arg. -- not accepted
  Croton sidifolius var. genuinus Müll. Arg. -- not accepted
  Croton sidifolius var. parvifolius Müll. Arg. -- not accepted
  Croton siguaneanus Urb. & Ekman -- not accepted
  Croton siltepecensis Lundell -- accepted
  Croton similis Müll. Arg. -- not accepted
  Croton simulans P.I. Forst. -- accepted
  Croton sincorensis Mart. ex Müll. Arg. -- accepted
  Croton singularis Airy Shaw -- accepted
  Croton sipaliwinensis Lanj. -- accepted
  Croton sirakii Siebold & Zucc. -- not accepted
  Croton sitiens Brandegee -- not accepted
  Croton skutchii Standl. -- accepted
  Croton sloanei Benn. -- not accepted
  Croton smithianus Croizat -- accepted
  Croton socotranus Balf. f. -- accepted
  Croton socotranus var. pachyclados (Radcl.-Sm.) Radcl.-Sm. -- accepted
  Croton socotranus var. socotranus Balf. f. -- accepted
  Croton solanaceus (Müll. Arg.) G.L. Webster -- accepted
  Croton solanifolius Burm. -- not accepted
  Croton soliman Cham. & Schltdl. -- accepted -- Soliman's croton
  Croton somalensis Pax -- accepted
  Croton sonorae Torr. -- accepted -- Sonoran croton
  Croton soratensis Müll. Arg. -- accepted
  Croton soratensis var. intermedius Müll. Arg. -- not accepted
  Croton soratensis var. leptobotryus Müll. Arg. -- not accepted
  Croton soratensis var. pycnanthus Müll. Arg. -- not accepted
  Croton sordidus Benth. -- not accepted
  Croton sousae Mart. Gord. & Cruz Durán -- accepted
  Croton sparsiflorus Morong -- not accepted
  Croton speciosus Müll. Arg. -- accepted
  Croton speciosus ssp. tacarcunensis G.L. Webster -- not accepted
  Croton sphaerocarpus Kunth -- accepted
  Croton sphaerogynus Baill. -- accepted
  Croton spica Baill. -- accepted
  Croton spicatus St.-Lag. -- not accepted
  Croton spicatus P.J. Bergius -- not accepted
  Croton spiciflorus Thunb. -- accepted
  Croton spinosus C. Wright ex Sauvalle -- not accepted
  Croton spinosus Forssk. -- not accepted
  Croton spinosus L. -- not accepted
  Croton spinosus var. heterolepis Urb. -- not accepted
  Croton spiraeifolius Jabl. -- accepted
  Croton spiralis Müll. Arg. -- accepted
  Croton spissirameus Radcl.-Sm. & Govaerts -- accepted
  Croton splendidus Mart. ex Colla -- accepted
  Croton splendidus Baill. -- not accepted
  Croton spruceanus Benth. -- accepted
  Croton spurcus Croizat -- accepted
  Croton squamigerus Baill. -- not accepted
  Croton squamigerus var. acutifolius Müll. Arg. -- not accepted
  Croton squamigerus var. obtusifolius Müll. Arg. -- not accepted
  Croton squamulosus Müll. Arg. -- not accepted
  Croton squamulosus Vahl -- not accepted
  Croton staechadis Baill. -- accepted
  Croton stahelianus Lanj. -- accepted
  Croton staminosus Müll. Arg. -- accepted
  Croton standleyi Steyerm. -- not accepted
  Croton stanneum Baill. -- accepted
  Croton steenkampianus Gerstner -- accepted
  Croton stellatoferrugineus Caruzo & Cordeiro -- accepted
  Croton stellatopilosus H. Ohba -- accepted
  Croton stelluliferus Hutch. -- accepted
  Croton stenandrus Müll. Arg. -- not accepted
  Croton stenopetalus G.L. Webster -- accepted
  Croton stenophyllus Griseb. -- accepted -- West Indian croton
  Croton stenophyllus var. acutifolius Müll. Arg. -- not accepted
  Croton stenophyllus var. brevifolius Müll. Arg. -- not accepted
  Croton stenophyllus var. longifolius Müll. Arg. -- not accepted
  Croton stenophyllus var. rosmarinifolius Müll. Arg. -- not accepted
  Croton stenosepalus Müll. Arg. -- accepted
  Croton stenotrichus Müll. Arg. -- accepted
  Croton steyermarkianus Croizat -- not accepted
  Croton stigmatosus F. Muell. -- accepted
  Croton stigmatosus var. eurybioides Baill. -- not accepted
  Croton stipulaceus Kunth -- accepted
  Croton stipularis (Müll. Arg.) G.L. Webster -- accepted
  Croton stipuliformis J. Murillo -- not accepted
  Croton stockeri (Airy Shaw) Airy Shaw -- accepted
  Croton storckii (Müll. Arg.) A.C. Sm. -- accepted
  Croton storckii Seem. -- not accepted
  Croton striatus Ruiz ex Pax -- not accepted
  Croton strigosus Spreng. -- not accepted
  Croton strobiliformis Secco -- accepted
  Croton stuhlmannii Pax -- not accepted
  Croton stylosus Müll. Arg. -- accepted
  Croton suaveolens Torr. -- accepted -- scented croton
  Croton suaveolens var. oblongifolius Torr. -- not accepted
  Croton suavis Kunth -- accepted
  Croton subacutus (Baill.) Müll. Arg. -- accepted
  Croton subaemulans Baill. -- accepted
  Croton subaemulans var. minor Leandri -- not accepted
  Croton subasperrimus Secco, P.E. Berry & Rosário -- accepted
  Croton subcapitatus Müll. Arg. -- not accepted
  Croton subcinerellus Croizat -- accepted
  Croton subcomosus Müll. Arg. -- not accepted
  Croton subcompressus Müll. Arg. -- accepted
  Croton subcoriaceus Jabl. -- not accepted
  Croton subdecumbens Borhidi & O. Muñiz -- accepted
  Croton subdioecus K. Schum. -- accepted
  Croton suberosus Kunth -- accepted
  Croton subferrugineus Müll. Arg. -- accepted
  Croton subfragilis Müll. Arg. -- accepted
  Croton subglaber K. Schum. -- accepted
  Croton subglaber Urb. -- not accepted
  Croton subgratissimus Prain -- not accepted
  Croton subincanus Müll. Arg. -- accepted
  Croton subjucundus Croizat -- accepted
  Croton sublepidotus Müll. Arg. -- accepted
  Croton sublinearis Leandri -- accepted
  Croton subluteus Lam. -- not accepted
  Croton sublyratus Kurz -- accepted
  Croton submetallicus Baill. -- accepted
  Croton subpannosus Müll. Arg. ex Griseb. -- accepted
  Croton subserratus Jabl. -- accepted
  Croton subsuavis Croizat -- accepted
  Croton subtomentosus L. -- not accepted
  Croton subvillosus Müll. Arg. -- accepted
  Croton sucrensis Steyerm. -- accepted
  Croton sulcifructus Balf. f. -- accepted
  Croton sumatranus Miq. -- accepted
  Croton surinamensis Müll. Arg. -- not accepted
  Croton sutup Lundell -- accepted
  Croton suyapensis Ant. Molina -- not accepted
  Croton swynnertonii S. Moore -- not accepted
  Croton sylvaticus Hochst. -- accepted
  Croton sylvaticus Schltdl. -- not accepted
  Croton sylvestris Poepp. ex Griseb. -- not accepted
  Croton syringifolius Kunth -- not accepted
  Croton tabacifolius Geiseler -- not accepted
  Croton tabascensis Lundell -- accepted
  Croton tafelbergicus Croizat -- not accepted
  Croton talaeporos Radcl.-Sm. -- accepted
  Croton tamberlikii Müll. Arg. -- accepted
  Croton tanalorum Leandri -- accepted
  Croton tarapotensis Müll. Arg. -- accepted
  Croton tardiflorens Leandri -- accepted
  Croton tartonraira Müll. Arg. -- accepted
  Croton tartonrairoides Pax & K. Hoffm. -- accepted
  Croton tawaoensis Croizat -- not accepted
  Croton tchibangensis Pellegr. -- accepted
  Croton tejucensis Müll. Arg. -- accepted
  Croton tenellus Müll. Arg. -- accepted
  Croton tenuicaudatus Lundell -- accepted
  Croton tenuicaulis B.W. van Ee & P.E. Berry -- accepted
  Croton tenuicuspis Baill. -- not accepted
  Croton tenuifolius Pax & K. Hoffm. -- accepted
  Croton tenuilobus S. Watson -- accepted
  Croton tenuiramis Urb. -- not accepted
  Croton tenuis S. Watson -- not accepted
  Croton terminalis Vell. -- accepted
  Croton tessmannii Mansf. -- accepted
  Croton tetradenius Baill. -- accepted
  Croton teucridium Baill. -- accepted
  Croton texensis (Klotzsch) Müll. Arg. -- accepted -- doveweed, goatweed, skunkweed, Texas croton
  Croton texensis var. utahensis Cronquist -- not accepted -- Utah croton
  Croton thellungianus (Herter ex Arechav.) Radcl.-Sm. & Govaerts -- accepted
  Croton thoii Thin -- accepted
  Croton thomasii Riina & P.E. Berry -- accepted
  Croton thorelii Gagnep. -- accepted
  Croton thouarsianus Baill. -- accepted
  Croton thurifer Kunth -- accepted
  Croton thwaitesianus Müll. Arg. -- not accepted
  Croton thymelinus Baill. -- accepted
  Croton tiglioides Blume -- not accepted
  Croton tiglium L. -- accepted -- purging croton
  Croton tiliifolius Lam. -- accepted
  Croton tiliifolius Thouars ex Baill. -- not accepted
  Croton tiliifolius Pers. -- not accepted
  Croton tiliifolius var. aromaticus (L.) Lam. -- not accepted
  Croton timandra Baill. -- not accepted
  Croton timandroides (Didr.) Müll. Arg. -- accepted
  Croton tinctorius Burm. f. -- not accepted
  Croton tinctorius L. -- not accepted
  Croton tocantinsensis Radcl.-Sm. & Govaerts -- accepted
  Croton tomentellus F. Muell. -- accepted
  Croton tomentosa Lour. -- not accepted
  Croton tomentosus (Lour.) Müll. Arg. -- not accepted
  Croton tomentosus Pav. ex Baill. -- not accepted
  Croton tomentosus Sessé & Moç. -- not accepted
  Croton tonantinensis Jabl. -- accepted
  Croton tonduzii Pax -- accepted
  Croton tonkinensis Gagnep. -- not accepted
  Croton touranensis Gagnep. -- accepted
  Croton trachycaulis Airy Shaw -- accepted
  Croton tragifolius Baill. -- not accepted
  Croton tragioides S.F. Blake -- not accepted
  Croton tranomarensis Leandri -- accepted
  Croton tranomarensis var. isomonii Leandri -- not accepted
  Croton tranomarensis var. minor Leandri -- not accepted
  Croton tremulifolius Croizat -- accepted
  Croton triacros F. Muell. -- accepted
  Croton triangularis Müll. Arg. -- accepted
  Croton trichocarpus Torr. -- not accepted
  Croton trichocephalus Müll. Arg. -- not accepted
  Croton trichocephalus var. brevifolius Müll. Arg. -- not accepted
  Croton trichocephalus var. intermedius Müll. Arg. -- not accepted
  Croton trichocephalus var. leptophyllus Müll. Arg. -- not accepted
  Croton trichocephalus var. rigidus Müll. Arg. -- not accepted
  Croton trichophilus (Pax & K. Hoffm.) Radcl.-Sm. & Govaerts -- accepted
  Croton trichophorus Müll. Arg. -- not accepted
  Croton trichotomus Geiseler -- accepted
  Croton trichotomus var. pulchellus (Baill.) Leandri -- not accepted
  Croton tricolor Klotzsch ex Baill. -- accepted
  Croton tricolor Müll. Arg. -- not accepted
  Croton tricuspidatus Lam. -- not accepted
  Croton tridentatus Mart. ex Müll. Arg. -- accepted
  Croton tridesma Leandro ex Baill. -- not accepted
  Croton triglandulatus Vell. -- accepted
  Croton trigonocarpus C. Wright ex Griseb. -- accepted
  Croton trilobatus Forssk. -- not accepted
  Croton trilobatus Sessé & Moç. -- not accepted
  Croton trilobatus Willd. -- not accepted
  Croton trinitatis Millsp. -- accepted -- roadside croton
  Croton triqueter Lam. -- accepted
  Croton tristis Müll. Arg. -- not accepted
  Croton triumfettoides Croizat -- not accepted
  Croton trombetensis Secco, P.E. Berry & N.A. Rosa -- accepted
  Croton tropidophyllus Urb. -- not accepted
  Croton truffautii Chantrier -- not accepted
  Croton tsaratananae Leandri -- accepted
  Croton tsiampiensis Leandri -- accepted
  Croton tuberculatus Bunge -- not accepted
  Croton tucumanensis Griseb. -- not accepted
  Croton tucumanensis var. oblongatus Griseb. -- not accepted
  Croton tulasnei Baill. -- accepted
  Croton turnerifolius S. Moore -- accepted
  Croton turumiquirensis Steyerm. -- accepted
  Croton tyndaridum Croizat -- accepted
  Croton umbellatus Willd. -- not accepted
  Croton umbratilis Kunth -- accepted
  Croton umbrinus Müll. Arg. -- not accepted
  Croton undulatus André -- not accepted
  Croton urceolatus Desv. ex Baill. -- not accepted
  Croton urens L. -- not accepted
  Croton uribei Croizat -- accepted
  Croton urticifolius Lam. -- accepted
  Croton urticifolius Y.T. Chang & Q.H. Chen -- not accepted
  Croton urticifolius var. accedens Müll. Arg. -- not accepted
  Croton urticifolius var. bahiensis Müll. Arg. -- not accepted
  Croton urticifolius var. dui Y.T. Chang -- not accepted
  Croton urticifolius var. genuinus Müll. Arg. -- not accepted
  Croton urticifolius var. intermedius Müll. Arg. -- not accepted
  Croton urticifolius var. stipularis Müll. Arg. -- not accepted
  Croton urticioides A. Cunn. -- accepted
  Croton urticoides A. Cunn. ex Steud. -- not accepted
  Croton urucurana Baill. -- accepted
  Croton urucuranus var. albidus Baill. -- not accepted
  Croton urucuranus var. draconoideus Baill. -- not accepted
  Croton urucuranus var. genuinus Baill. -- not accepted
  Croton uruguayensis Baill. -- accepted
  Croton vaccinioides A. Rich. -- accepted
  Croton vaillantii Geiseler -- accepted
  Croton varelae V.W. Steinm. -- accepted
  Croton variegatus L. -- not accepted
  Croton vatomandrensis Leandri -- accepted
  Croton vaughanii Croizat -- accepted
  Croton vauthieri Müll. Arg. -- not accepted
  Croton vauthierianus Baill. -- accepted
  Croton veitchianus André -- not accepted
  Croton velame Müll. Arg. -- accepted
  Croton velleriflorus Baill. -- not accepted
  Croton vellozianus Müll. Arg. -- accepted
  Croton velutinus Baill. -- accepted
  Croton venezuelensis Radcl.-Sm. & Govaerts -- not accepted
  Croton venosus Spreng. -- not accepted
  Croton ventanicolus Speg. -- not accepted
  Croton vepretorum Müll. Arg. -- accepted
  Croton verapazensis Donn. Sm. -- accepted
  Croton verbascifolius Willd. -- not accepted
  Croton verbascoides G.L. Webster -- accepted
  Croton verbenifolius Müll. Arg. -- accepted
  Croton verdickii De Wild. -- not accepted
  Croton vergarenae (Jabl.) Gillespie -- accepted
  Croton vermoesenii De Wild. -- accepted
  Croton vernicosus Baker -- not accepted
  Croton verreauxii Baill. -- accepted
  Croton verreauxii var. angustifolius Müll. Arg. -- not accepted
  Croton verreauxii var. genuinus Müll. Arg. -- not accepted
  Croton verreauxii var. longifolius Müll. Arg. -- not accepted
  Croton verreauxii var. storckii Müll. Arg. -- not accepted
  Croton verrucosus Radcl.-Sm. & Govaerts -- not accepted
  Croton versicolor Müll. Arg. -- accepted
  Croton vervaetii Linden -- not accepted
  Croton vestitus Spreng. -- accepted
  Croton vidalii Airy Shaw -- accepted
  Croton vietnamensis Radcl.-Sm. & Govaerts -- accepted
  Croton villosissimus (Chodat & Hassl.) Radcl.-Sm. & Govaerts -- accepted
  Croton villosus Müll. Arg. -- not accepted
  Croton villosus Forssk. -- not accepted
  Croton villosus var. cinerascens Müll. Arg. -- not accepted
  Croton villosus var. rufescens Müll. Arg. -- not accepted
  Croton viminalis Griseb. -- accepted
  Croton virens Müll. Arg. -- not accepted
  Croton virgultosus Müll. Arg. -- accepted
  Croton viridulus (Croizat) Radcl.-Sm. & Govaerts -- accepted
  Croton virletianus Müll. Arg. -- accepted
  Croton viscosus Labill. -- not accepted
  Croton vitifolius Lundell -- not accepted
  Croton vogelianus Airy Shaw -- accepted
  Croton vohibariensis Leandri -- accepted
  Croton volubilis Llanos -- not accepted
  Croton vulnerarius Baill. -- accepted
  Croton vulpinus Sessé & Moç. -- accepted
  Croton wagneri Müll. Arg. -- accepted
  Croton wallichii Müll. Arg. -- accepted
  Croton waltherioides Urb. -- accepted
  Croton warmingii Müll. Arg. -- not accepted
  Croton wassi-kussae Croizat -- accepted
  Croton wassi-kussae var. stockeri Airy Shaw -- not accepted
  Croton waterhouseae P.I. Forst. -- accepted
  Croton watsonii Standl. -- accepted
  Croton websteri Mart. Gord. & J. Jiménez Ram. -- accepted
  Croton weismannii Cogn. & Marchand -- not accepted
  Croton wellensii De Wild. -- accepted
  Croton welwitschianus Müll. Arg. -- not accepted
  Croton wigginsii L.C. Wheeler -- accepted -- Wiggins' croton
  Croton wigmannii B.S. Williams -- not accepted
  Croton willdenowii G.L. Webster -- not accepted -- two-fruit rushfoil, Willdenow's croton
  Croton williamsii Rusby -- accepted
  Croton wissmannii O. Schwartz -- accepted
  Croton wittianus Ule -- accepted
  Croton womersleyi Airy Shaw -- accepted
  Croton wullschlaegelianus Müll. Arg. -- not accepted
  Croton xalapensis Kunth -- accepted
  Croton xalapensis Hook. f. -- not accepted
  Croton xanthochloros Croizat -- not accepted
  Croton xanthochylus Croizat -- accepted
  Croton yacaensis Croizat -- accepted
  Croton yanhuii Y.T. Chang -- accepted
  Croton yavitensis Croizat -- accepted
  Croton yecorensis V.W. Steinm. & Felger -- accepted
  Croton yerbalium Chodat & Hassl. -- accepted
  Croton ynesae Croizat -- accepted
  Croton ypanemensis Müll. Arg. -- accepted
  Croton ysabelae Croizat -- accepted
  Croton yucatanensis Lundell -- accepted
  Croton yungensis Croizat -- accepted
  Croton yunnanensis W.W. Sm. -- accepted
  Croton yunnanensis var. megadontus W.T. Wang -- not accepted
  Croton yunquensis Griseb. -- not accepted
  Croton zambalensis Merr. -- accepted
  Croton zambesicus Müll. Arg. -- not accepted
  Croton zavaletae Conz. ex Rzed. & al. -- accepted
  Croton zeylanicus Müll. Arg. -- accepted
  Croton zollingeri Miq. -- not accepted
  Crotonopsis abnormis Baill. -- not accepted
  Crotonopsis argentea Pursh -- not accepted
  Crotonopsis argentea f. abnormis (Baill.) Müll. Arg. -- not accepted
  Crotonopsis argentea var. elliptica (Willd.) Pursh -- not accepted
  Crotonopsis argentea var. linearis (Michx.) Pursh -- not accepted
  Crotonopsis elliptica Willd. -- not accepted
  Crotonopsis linearis Michx. -- not accepted
  Crotonopsis spinosa Nash -- not accepted
  Ctenadena Prokh. -- not accepted
  Ctenadena lanata (Sieber ex Spreng.) Prokh. -- not accepted
  Cubanthus Millsp. -- not accepted
  Cubanthus brittonii Millsp. -- not accepted
  Cubanthus linearifolius (Griseb.) Millsp. -- not accepted
  Cubanthus umbelliformis Urb. & Ekman -- not accepted
  Cyathophora Raf. -- not accepted
  Cyathophora ciliata Raf. -- not accepted
  Cyathophora heterophyla (L.) Raf. -- not accepted
  Cyathophora picta Raf. -- not accepted
  Cyclostigma denticulatum Klotzsch -- not accepted
  Cyclostigma panamense Klotzsch -- not accepted
  Cystidospermum Prokh. -- not accepted
  Cystidospermum cheirolepis (Fisch. & C.A. Mey. ex Ledeb.) Prokh. -- not accepted
  Cystidospermum petiolatum (Banks & Sol.) Nasimova -- not accepted
  Cystidospermum postii (Boiss.) Prokh. -- not accepted
  Dactylanthes Haw. -- not accepted
  Dactylanthes anacantha (Aiton) Haw. -- not accepted
  Dactylanthes globosa Haw. -- not accepted
  Dactylanthes hamata Haw. -- not accepted
  Dactylanthes medusa Raf. -- not accepted
  Dactylanthes patula (Mill.) Haw. -- not accepted
  Dalechampia L. -- accepted
  Dalechampia bidentata Blume -- accepted
  Dematra Raf. -- not accepted
  Dematra cheirolepis (Fisch. & C.A. Mey. ex Ledeb.) Soják -- not accepted
  Dematra petiolata (Banks & Sol.) Soják -- not accepted
  Dematra sericea Raf. -- not accepted
  Desmonema Raf. -- not accepted
  Desmonema hirta (L.) Raf. -- not accepted
  Diadenaria Klotzsch & Garcke -- not accepted
  Diadenaria articulata Klotzsch & Garcke -- not accepted
  Diadenaria involucrata Klotzsch & Garcke -- not accepted
  Diadenaria pavonis Klotzsch & Garcke -- not accepted
  Dichrophyllum bicolor (Engelm. & A. Gray) Klotzsch & Garcke -- not accepted
  Dichrophyllum jolkinii (Boiss.) F.C. Ho -- not accepted
  Dichrophyllum marginatum (Pursh) Klotzsch & Garcke -- not accepted
  Dichrophyllum variegatum (Sims) Klotzsch & Garcke -- not accepted
  Dichylium Britton -- not accepted
  Dichylium oerstedianum (Klotzsch & Garcke) Britton -- not accepted
  Diplocyathium Heinr. Schmidt -- not accepted
  Diplocyathium capitulatum (Rchb.) Heinr. Schmidt -- not accepted
  Ditaxis Vahl ex A. Juss. -- accepted -- silverbush
  Ditaxis argothamnoides (Bertero ex Spreng.) Radcl.-Sm. & Govaerts -- accepted -- Blodgett's silverbush
  Ditaxis malpighipila (Hicken) L.C. Wheeler -- accepted
  Ditritra Raf. -- not accepted
  Ditritra hirta (L.) Raf. -- not accepted
  Ditritra obliqua Raf. -- not accepted
  Ditritra rotundifolia Raf. -- not accepted
  Elaeophorbia Stapf -- not accepted
  Elaeophorbia acuta N.E. Br. -- not accepted
  Elaeophorbia beillei (A. Chev.) Jacobsen -- not accepted
  Elaeophorbia drupifera (Thonn.) Stapf -- not accepted
  Elaeophorbia grandifolia (Haw.) Croizat -- not accepted
  Elaeophorbia hiernii Croizat -- not accepted
  Elaeophorbia leonensis (N.E. Br.) Jacobsen -- not accepted
  Elaeophorbia neriifolia (L.) A. Chev. -- not accepted
  Elaeophorbia teke (Schweinf. ex Pax) A. Chev. -- not accepted
  Endadenium L.C. Leach -- not accepted
  Endadenium gossweileri (N.E. Br.) L.C. Leach -- not accepted
  Endoisila Raf. -- not accepted
  Endoisila myrsinites (L.) Raf. -- not accepted
  Epurga Fourr. -- not accepted
  Epurga lathyris (L.) Fourr. -- not accepted
  Eremocarpus setiger (Hook.) Benth. -- not accepted
  Esula Haw. -- not accepted
  Esula aleppica (L.) Fourr. -- not accepted
  Esula amygdaloides (L.) Haw. -- not accepted
  Esula angustifolia Haw. -- not accepted
  Esula ararica (Jord.) Fourr. -- not accepted
  Esula biumbellata (Poir.) Haw. -- not accepted
  Esula characias (L.) Haw. -- not accepted
  Esula corsica (Req.) Gand. -- not accepted
  Esula cupressina Gray -- not accepted
  Esula cyparissias (L.) Haw. -- not accepted
  Esula dalechampii Haw. -- not accepted
  Esula dendroides (L.) Haw. -- not accepted
  Esula diffusa (Jacq.) Haw. -- not accepted
  Esula exigua (L.) Haw. -- not accepted
  Esula falcata (L.) Haw. -- not accepted
  Esula gerardiana (Jacq.) Fourr. -- not accepted
  Esula juncoides Haw. -- not accepted
  Esula major Garsault -- not accepted
  Esula minima Haw. -- not accepted
  Esula minor Garsault -- not accepted
  Esula nicaeensis (All.) Fourr. -- not accepted
  Esula obscura (Loisel.) Fourr. -- not accepted
  Esula paralias (L.) Fourr. -- not accepted
  Esula peploides (Gouan) Fourr. -- not accepted
  Esula peplus (L.) Haw. -- not accepted
  Esula pinea (L.) Fourr. -- not accepted
  Esula pithyusa (L.) Fourr. -- not accepted
  Esula portlandica (L.) Haw. -- not accepted
  Esula provincialis (Willd.) Haw. -- not accepted
  Esula pseudocyparissias (Jord.) Fourr. -- not accepted
  Esula retusa (Forssk.) Fourr. -- not accepted
  Esula riparia (Jord.) Fourr. -- not accepted
  Esula rotundifolia (Lam.) Gray -- not accepted
  Esula salicetorum (Jord.) Fourr. -- not accepted
  Esula segetalis (L.) Haw. -- not accepted
  Esula sulcata (Lens ex Loisel.) Fourr. -- not accepted
  Esula sylvatica (L.) Haw. -- not accepted
  Esula taurinensis (All.) Fourr. -- not accepted
  Esula tenuifolia (Lam.) Fourr. -- not accepted
  Esula terracina (L.) Fourr. -- not accepted
  Esula tricuspidata (Lapeyr.) Fourr. -- not accepted
  Esula valentina (Ortega) Haw. -- not accepted
  Esula virgata Haw. -- not accepted
  Esula vulgaris Fourr. -- not accepted
  Eumecanthus Klotzsch & Garcke -- not accepted
  Eumecanthus adiantoides (Lam.) Millsp. -- not accepted
  Eumecanthus arenarius (Kunth) Klotzsch & Garcke -- not accepted
  Eumecanthus ariensis (Kunth) Klotzsch & Garcke -- not accepted
  Eumecanthus armourii (Millsp.) Millsp. -- not accepted
  Eumecanthus astroites (Fisch. & C.A. Mey.) Millsp. -- not accepted
  Eumecanthus barnesii (Millsp.) Millsp. -- not accepted
  Eumecanthus benthamianus Klotzsch & Garcke -- not accepted
  Eumecanthus bifurcatus (Engelm.) Millsp. -- not accepted
  Eumecanthus boerhaviifolius (Klotzsch & Garcke) Millsp. -- not accepted
  Eumecanthus bracteatus (Klotzsch & Garcke) Millsp. -- not accepted
  Eumecanthus calcicola (Fernald) Millsp. -- not accepted
  Eumecanthus chiapensis (Brandegee) Millsp. -- not accepted
  Eumecanthus cofradianus (Brandegee) Millsp. -- not accepted
  Eumecanthus colimae (Rose) Millsp. -- not accepted
  Eumecanthus delicatulus (Boiss.) Millsp. -- not accepted
  Eumecanthus digitatus (S. Watson) Millsp. -- not accepted
  Eumecanthus dioscoreoides (Boiss.) Millsp. -- not accepted
  Eumecanthus discolor (Klotzsch & Garcke) Millsp. -- not accepted
  Eumecanthus francoanus (Boiss.) Millsp. -- not accepted
  Eumecanthus gramineus (Jacq.) Millsp. -- not accepted
  Eumecanthus guadalajaranus (S. Watson) Millsp. -- not accepted
  Eumecanthus hoffmannii (Klotzsch & Garcke) Millsp. -- not accepted
  Eumecanthus humayensis (Brandegee) Millsp. -- not accepted
  Eumecanthus latericolor (Brandegee) Millsp. -- not accepted
  Eumecanthus mexicanus (Klotzsch & Garcke) Millsp. -- not accepted
  Eumecanthus microappendiculatus (Lotsy) Millsp. -- not accepted
  Eumecanthus monanthus (C. Wright ex Boiss.) Millsp. -- not accepted
  Eumecanthus multisetus (Benth.) Millsp. -- not accepted
  Eumecanthus muscicola (Fernald) Millsp. -- not accepted
  Eumecanthus ocymoideus (L.) Millsp. -- not accepted
  Eumecanthus pedunculosus (A. Rich.) Millsp. -- not accepted
  Eumecanthus physalifolius (Boiss.) Millsp. -- not accepted
  Eumecanthus pubescens (Klotzsch & Garcke) Millsp. -- not accepted
  Eumecanthus segoviensis (Klotzsch & Garcke) Millsp. -- not accepted
  Eumecanthus sinaloensis (Brandegee) Millsp. -- not accepted
  Eumecanthus subpeltatus (S. Watson) Millsp. -- not accepted
  Eumecanthus subreniformis (S. Watson) Millsp. -- not accepted
  Eumecanthus subsinuatus (Klotzsch & Garcke) Millsp. -- not accepted
  Eumecanthus tener (S. Watson) Millsp. -- not accepted
  Eumecanthus triphyllus Klotzsch & Garcke -- not accepted
  Eumecanthus umbrosus (Bertero ex Spreng.) Millsp. -- not accepted
  Eumecanthus violaceus (Greenm.) Millsp. -- not accepted
  Eumecanthus xalapensis (Kunth) Millsp. -- not accepted
  Eumecanthus xbacensis (Millsp.) Millsp. -- not accepted
  Eumecanthus zierioides (Boiss.) Millsp. -- not accepted
  Euphorbia L. -- accepted -- spurge
  Euphorbia aaron-rossii A.H. Holmgren & N.H. Holmgren -- accepted -- Marble Canyon spurge, Ross spurge
  Euphorbia abbottii Baker -- accepted
  Euphorbia abbreviata Correll -- not accepted
  Euphorbia abchazica Woronow -- not accepted
  Euphorbia abdelkuri Balf. f. -- accepted -- Firhadh
  Euphorbia abdita (D.G. Burch) Radcl.-Sm. -- accepted
  Euphorbia abdulghafooriana Abedin -- accepted
  Euphorbia abolinii Korovin ex Pavlov -- not accepted
  Euphorbia abortiva Porta -- not accepted
  Euphorbia abramsiana L.C. Wheeler -- accepted -- Abrams' sandmat
  Euphorbia abscondita Mayfield -- accepted
  Euphorbia abyssinica J.F. Gmel. -- accepted
  Euphorbia abyssinica var. erythraeae Berger -- not accepted
  Euphorbia abyssinica var. mozambicensis Boiss. -- not accepted
  Euphorbia abyssinica var. tetragona Schweinf. -- not accepted
  Euphorbia acalyphoides Hochst. ex Boiss. -- accepted
  Euphorbia acalyphoides ssp. acalyphoides Hochst. ex Boiss. -- accepted
  Euphorbia acalyphoides ssp. cicatricosa S. Carter -- accepted
  Euphorbia acalyphoides var. arabica Boiss. -- not accepted
  Euphorbia acanthodes Akhani -- accepted
  Euphorbia acanthothamnos Heldr. & Sart. ex Boiss. -- accepted
  Euphorbia acaulis Roxb. -- not accepted
  Euphorbia acerensis Boiss. -- accepted
  Euphorbia acervata S. Carter -- accepted
  Euphorbia achanocarpa Guss. ex Spreng. -- not accepted
  Euphorbia acrurensis N.E. Br. -- not accepted
  Euphorbia actinoclada S. Carter -- accepted
  Euphorbia aculeata E. Mey. -- not accepted
  Euphorbia acuminata Lam. -- not accepted
  Euphorbia acuta Engelm. -- accepted -- Pointed sandmat
  Euphorbia acuta var. stenophylla Boiss. -- not accepted
  Euphorbia acutifolia (Boiss.) Rech. f. -- not accepted
  Euphorbia adenensis Deflers -- not accepted
  Euphorbia adenochila S. Carter -- accepted
  Euphorbia adenochlora C. Morren & Decne. -- accepted
  Euphorbia adenopoda Baill. -- accepted
  Euphorbia adenoptera Bertol. -- accepted -- southern Florida sandmat
  Euphorbia adenoptera ssp. adenoptera Bertol. -- accepted
  Euphorbia adenoptera ssp. canescens (Proctor) Oudejans -- accepted
  Euphorbia adenoptera ssp. gundlachii (Urb.) Oudejans -- accepted
  Euphorbia adenoptera var. indivisa (Engelm.) Boiss. -- not accepted
  Euphorbia adhaerens (Small) Jabl. -- not accepted
  Euphorbia adiantoides Lam. -- accepted
  Euphorbia adinophylla Donn. Sm. -- not accepted
  Euphorbia adjurana P.R.O. Bally & S. Carter -- accepted
  Euphorbia adriana A. St.-Hil. ex Klotzsch & Garcke -- not accepted
  Euphorbia aegyptiaca Boiss. -- not accepted
  Euphorbia aegyptiaca var. indica Boiss. -- not accepted
  Euphorbia aellenii Rech. f. -- not accepted
  Euphorbia aequoris N.E. Br. -- accepted
  Euphorbia aeruginosa Schweick. -- accepted
  Euphorbia aethiopum Croizat -- not accepted
  Euphorbia affinis DC. -- not accepted
  Euphorbia affinis (Klotzsch & Garcke) Boiss. -- not accepted
  Euphorbia afzelii N.E. Br. -- not accepted
  Euphorbia agatheae Haevermans -- accepted
  Euphorbia aggregata A. Berger -- accepted
  Euphorbia aggregata var. alternicolor (N.E. Br.) A.C. White, R.A. Dyer & B. Sloane -- not accepted
  Euphorbia agowensis Hochst. ex Boiss. -- accepted
  Euphorbia agowensis var. agowensis Hochst. ex Boiss. -- accepted
  Euphorbia agowensis var. pseudoholstii (Pax) P.R.O. Bally & S. Carter -- accepted
  Euphorbia agraria M. Bieb. -- accepted -- urban spurge
  Euphorbia agraria var. csatoi Simonk. -- not accepted
  Euphorbia agraria var. subhastata (Vis. & Pancic) Gris -- not accepted
  Euphorbia agraria var. thyrsiflora (Griseb.) Nyman -- not accepted
  Euphorbia agrorum Willd. ex Ledeb. -- not accepted
  Euphorbia akdaghensis Stapf -- not accepted
  Euphorbia akenocarpa Guss. -- accepted
  Euphorbia akenocarpa Roux & Blaise ex Boiss. -- not accepted
  Euphorbia alaica (Prokh.) Prokh. -- accepted
  Euphorbia alainii Oudejans -- accepted
  Euphorbia alata Hook. -- accepted
  Euphorbia alatavica Boiss. -- accepted
  Euphorbia alatavica f. kaschgarica (Regel) Baikov -- not accepted
  Euphorbia alatocaulis V.W. Steinm. & Felger -- accepted
  Euphorbia albanica N.E. Br. -- accepted
  Euphorbia albicaulis Rydb. -- not accepted
  Euphorbia albiflora Taub. -- not accepted
  Euphorbia albipollinifera L.C. Leach -- accepted
  Euphorbia albomarginata Torr. & A. Gray -- accepted -- Rattlesnake weed, white-margin sandmat, white-margin sandwort, whitemargin sandmat
  Euphorbia albovillosa Pax -- not accepted
  Euphorbia alcicornis Baker -- accepted
  Euphorbia alcicornis Poiss. -- not accepted
  Euphorbia aleppica L. -- accepted
  Euphorbia alexandrina Delile -- not accepted
  Euphorbia alfredii Rauh -- accepted
  Euphorbia algeriensis Boiss. -- not accepted
  Euphorbia aliceae A. Nelson -- not accepted
  Euphorbia allocarpa S. Carter -- accepted
  Euphorbia alluaudii Drake -- accepted
  Euphorbia alluaudii ssp. alluaudii Drake -- accepted
  Euphorbia alluaudii ssp. oncoclada (Drake) F. Friedmann & Cremers -- accepted
  Euphorbia alpigena A. Kern. -- not accepted
  Euphorbia alpina Ledeb. -- accepted
  Euphorbia alpina var. baikalensis Boiss. -- not accepted
  Euphorbia alpina var. rupicola Baikov -- not accepted
  Euphorbia alsiniflora Baill. -- accepted
  Euphorbia alsinifolia Boiss. -- accepted
  Euphorbia alsinoides Miq. -- accepted
  Euphorbia alta Norton -- accepted -- giant spurge
  Euphorbia altaica Ledeb. -- accepted
  Euphorbia altaica var. pilosa Stschegl. -- not accepted
  Euphorbia altaica var. sajanensis Boiss. -- not accepted
  Euphorbia alternicolor N.E. Br. -- not accepted
  Euphorbia altissima Boiss. -- accepted
  Euphorbia altissima var. altissima Boiss. -- accepted
  Euphorbia altissima var. glabrescens Boiss. ex M.S. Khan -- accepted
  Euphorbia altissima var. nuda Velen. -- not accepted
  Euphorbia altotibetica Paulsen -- accepted
  Euphorbia amandi Oudejans -- accepted
  Euphorbia amarifontana N.E. Br. -- accepted
  Euphorbia ambacensis N.E. Br. -- accepted
  Euphorbia ambarivatoensis Rauh & Bard.-Vauc. -- accepted
  Euphorbia ambatofinandranae Leandri -- not accepted
  Euphorbia ambigua Waldst. & Kit. ex Willd. -- not accepted
  Euphorbia ambovombensis Rauh & Razaf. -- accepted
  Euphorbia ambroseae L.C. Leach -- accepted
  Euphorbia ambroseae var. ambroseae L.C. Leach -- accepted
  Euphorbia ambroseae var. spinosa L.C. Leach -- accepted
  Euphorbia ambukensis Stepanov -- not accepted
  Euphorbia amicorum S. Carter -- accepted
  Euphorbia ammak Schweinf. -- accepted
  Euphorbia ammannioides Kunth -- not accepted
  Euphorbia ammatotricha Boiss. -- not accepted
  Euphorbia ammophila S. Carter & Dioli -- accepted
  Euphorbia amoena Klotzsch -- not accepted
  Euphorbia amphimalaca Standl. -- not accepted
  Euphorbia ampla Hook. f. -- not accepted
  Euphorbia ampla var. tenuior Hook. f. -- not accepted
  Euphorbia amplexicaulis Hook. f. -- accepted
  Euphorbia amplexicaulis Ledeb. -- not accepted
  Euphorbia amplophylla Pax -- accepted
  Euphorbia amygdaloides L. -- accepted
  Euphorbia amygdaloides Lam. -- not accepted
  Euphorbia amygdaloides f. biennis (Maire) Oudejans -- not accepted
  Euphorbia amygdaloides f. ligulata (Chaub.) O. Bolòs & Vigo -- not accepted
  Euphorbia amygdaloides f. minor (Gaudin) Oudejans -- not accepted
  Euphorbia amygdaloides f. purpurata (Coss. & Germ.) Oudejans -- not accepted
  Euphorbia amygdaloides ssp. amygdaloides L. -- accepted
  Euphorbia amygdaloides ssp. arbuscula Meusel -- accepted
  Euphorbia amygdaloides ssp. chaixiana (Timb.-Lagr.) Nyman -- not accepted
  Euphorbia amygdaloides ssp. heldreichii (Orph. ex Boiss.) Aldén -- not accepted
  Euphorbia amygdaloides ssp. robbiae (Turrill) Stace -- accepted
  Euphorbia amygdaloides ssp. semiperfoliata (Viv.) Radcl.-Sm. -- not accepted
  Euphorbia amygdaloides var. biennis Maire -- not accepted
  Euphorbia amygdaloides var. chaixiana (Timb.-Lagr.) Boiss. -- not accepted
  Euphorbia amygdaloides var. ligulata (Chaub.) Boiss. -- not accepted
  Euphorbia amygdaloides var. oblongifolia K. Koch -- not accepted
  Euphorbia amygdaloides var. robbiae (Turrill) Radcl.-Sm. -- not accepted
  Euphorbia anacampseroides Lam. -- not accepted
  Euphorbia anacampseros Boiss. -- accepted
  Euphorbia anacampseros Balansa ex Boiss. -- not accepted
  Euphorbia anacampseros var. anacampseros Boiss. -- accepted
  Euphorbia anacampseros var. minor Boiss. -- not accepted
  Euphorbia anacampseros var. tmolae M.S. Khan -- accepted
  Euphorbia anacantha Aiton -- not accepted
  Euphorbia anachoreta Svent. -- accepted
  Euphorbia anagalloides Baker -- not accepted
  Euphorbia analalavensis Leandri -- accepted
  Euphorbia analamerae Leandri -- accepted
  Euphorbia analavelonensis Rauh & Mangelsdorff -- accepted
  Euphorbia anceps Benth. -- not accepted
  Euphorbia ancyrensis Azn. ex M.S. Khan -- not accepted
  Euphorbia anderssonii Millsp. -- not accepted
  Euphorbia andina Phil. -- not accepted
  Euphorbia andongensis Hiern -- not accepted
  Euphorbia andrachnoides Schrenk -- accepted
  Euphorbia andromedae Millsp. -- not accepted
  Euphorbia androsaemifolia Willd. ex Schlecht. -- accepted
  Euphorbia androsaemifolia (Haw.) Steud. -- not accepted
  Euphorbia androsaemifolia J. Presl & C. Presl -- not accepted
  Euphorbia androsaemifolia ssp. salicetorum (Jord.) Nyman -- not accepted
  Euphorbia androsaemoides Dennst. -- not accepted
  Euphorbia angolensis Pax -- not accepted
  Euphorbia angrae N.E. Br. -- accepted
  Euphorbia angularis Klotzsch -- accepted
  Euphorbia angulata Jacq. -- accepted
  Euphorbia angulata f. nemoralis Oudejans -- not accepted
  Euphorbia angulata ssp. deseglisei (Boreau ex Boiss.) Nyman -- not accepted
  Euphorbia angulata var. expansa (Janka) Boiss. -- not accepted
  Euphorbia angusta Engelm. -- accepted -- Blackfoot sandmat, narrow-leaf spurge
  Euphorbia angustiflora Pax -- accepted
  Euphorbia angustifolia (Haw.) Steud. -- not accepted
  Euphorbia angustifolia Lockh. ex G. Don -- not accepted
  Euphorbia angustifolia Buch.-Ham. ex D. Don -- not accepted
  Euphorbia angustifolia Parodi -- not accepted
  Euphorbia anisopetala (Prokh.) Prokh. -- accepted
  Euphorbia ankaranae Leandri -- accepted
  Euphorbia ankarensis Boiteau -- accepted
  Euphorbia ankazobensis Rauh & Hofstätter -- accepted
  Euphorbia annamarieae Rauh -- accepted
  Euphorbia annulata Nutt. ex Sherff -- not accepted
  Euphorbia anomala Salzm. ex Boiss. -- not accepted
  Euphorbia anomala Pax -- not accepted
  Euphorbia antankara Leandri -- not accepted
  Euphorbia anthonyi Brandegee -- accepted
  Euphorbia anthonyi var. clarionensis (Brandegee) I.M. Johnst. -- not accepted
  Euphorbia anthula Lavrent. & Papan. -- accepted
  Euphorbia antilibanotica Mouterde -- accepted
  Euphorbia antiquorum L. -- accepted
  Euphorbia antiquorum var. polygona Boiss. -- not accepted
  Euphorbia antisyphilitica Zucc. -- accepted -- candelilla
  Euphorbia antisyphilitica var. luxurians Miranda -- not accepted
  Euphorbia antisyphilitica var. typica Miranda -- not accepted
  Euphorbia antonii Oudejans -- accepted
  Euphorbia antso Denis -- accepted -- Antso
  Euphorbia anychioides Boiss. -- accepted
  Euphorbia apatzingana McVaugh -- accepted
  Euphorbia aphylla Brouss. ex Willd. -- accepted
  Euphorbia apicata L.C. Wheeler -- accepted
  Euphorbia apiculata Andersson -- not accepted
  Euphorbia apios L. -- accepted
  Euphorbia apios var. lamprocarpa Boiss. -- not accepted
  Euphorbia apocynifolia Small -- not accepted
  Euphorbia apocynoides Klotzsch -- not accepted
  Euphorbia appariciana Rizzini -- accepted
  Euphorbia appendiculata P.R.O. Bally & S. Carter -- accepted
  Euphorbia applanata Thulin & Al-Gifri -- accepted
  Euphorbia aprica Baill. -- accepted
  Euphorbia apurimacensis Croizat -- accepted
  Euphorbia arabica Hochst. & Steud. ex Anderson -- accepted
  Euphorbia arabica var. brevifolia Boiss. -- not accepted
  Euphorbia arabica var. latippendiculata Pax -- not accepted
  Euphorbia arabicoides N.E. Br. -- accepted
  Euphorbia aragonensis Loscos & Pardo -- not accepted
  Euphorbia aragonensis ssp. bolosii (Molero & Rovira) Rivas Mart. -- not accepted
  Euphorbia aragonensis var. lanceolatifolia Loscos & Pardo ex Lange -- not accepted
  Euphorbia arahaka Poiss. -- accepted -- Arahaka, Arahaky
  Euphorbia ararica Jord. -- not accepted
  Euphorbia araucana Phil. -- accepted
  Euphorbia arborescens Roxb. -- not accepted
  Euphorbia arborescens E. Mey. -- not accepted
  Euphorbia arborescens C. Sm. -- not accepted
  Euphorbia arborescens Boiss. -- not accepted
  Euphorbia arborescens Salm-Dyck -- not accepted
  Euphorbia arbuscula Balf. f. -- accepted
  Euphorbia ardonensis Galushko -- accepted
  Euphorbia arenaria Kunth -- accepted
  Euphorbia arenaria Engelm. & A. Gray -- not accepted
  Euphorbia arenaria Nutt. -- not accepted
  Euphorbia arenaria Willd. ex Ledeb. -- not accepted
  Euphorbia arenaria var. quitensis Boiss. -- not accepted
  Euphorbia arenarioides Gagnep. -- accepted
  Euphorbia arenicola Parish -- not accepted
  Euphorbia argillosa Chodat & Hassl. -- accepted
  Euphorbia arguta Banks & Sol. -- accepted
  Euphorbia arguta var. dasycarpa Plitmann -- not accepted
  Euphorbia arida N.E. Br. -- accepted
  Euphorbia ariensis Kunth -- accepted
  Euphorbia ariensis var. villicaulis Fernald -- not accepted
  Euphorbia arillata Edgew. -- not accepted
  Euphorbia aristata Schmalh. -- accepted
  Euphorbia arkansana Engelm. & A. Gray -- not accepted
  Euphorbia arkansana var. atrosemina Norton -- not accepted
  Euphorbia arkansana var. coloradensis Norton -- not accepted
  Euphorbia arkansana var. missouriensis Norton -- not accepted
  Euphorbia armata Thunb. -- not accepted
  Euphorbia armena Boiss. -- not accepted
  Euphorbia armeniaca Boiss. -- not accepted
  Euphorbia armourii Millsp. -- accepted
  Euphorbia armstrongiana Boiss. -- accepted
  Euphorbia arnottiana Endl. -- accepted -- `akoko
  Euphorbia arnottiana var. integrifolia (Hillebr.) H. St. John -- not accepted
  Euphorbia arrecta N.E. Br. -- accepted
  Euphorbia arsenariensis (Batt.) Batt. & Trab. -- not accepted
  Euphorbia artaudiana DC. -- not accepted
  Euphorbia arteagae W.R. Buck & Huft -- accepted
  Euphorbia articulata Burm. in C. Plumier -- not accepted
  Euphorbia articulata Dennst. -- not accepted
  Euphorbia articulata Andersson -- not accepted
  Euphorbia articulata var. bindloensis A. Stewart -- not accepted
  Euphorbia articulata var. lordatii Stehlé & Stehlé -- not accepted
  Euphorbia artifolia N.E. Br. -- accepted
  Euphorbia artvinensis Bornm. & Woronow -- not accepted
  Euphorbia arundelana Bartlett -- not accepted
  Euphorbia arvalis Boiss. & Heldr. -- accepted
  Euphorbia arvalis ssp. arvalis Boiss. & Heldr. -- accepted
  Euphorbia arvalis ssp. longistyla (Litard. & Maire) Molero, Rovira & Vicens -- accepted
  Euphorbia arvalis var. euarvalis Maire -- not accepted
  Euphorbia arvalis var. longistyla Litard. & Maire -- not accepted
  Euphorbia arvensis Kit. -- not accepted
  Euphorbia arvensis Schleich. ex Steud. -- not accepted
  Euphorbia ascendens Willd. ex Boiss. -- not accepted
  Euphorbia asclepiadea Milne-Redh. -- accepted
  Euphorbia aserbajdzhanica Bordz. -- accepted
  Euphorbia aspera M. Bieb. -- not accepted
  Euphorbia aspera var. oligadenia Boiss. -- not accepted
  Euphorbia aspera var. serrata Boiss. -- not accepted
  Euphorbia aspericaulis Pax -- accepted
  Euphorbia asperifolia Engelm. ex Boiss. -- not accepted
  Euphorbia asthenacantha S. Carter -- accepted
  Euphorbia astrachanica C.A. Mey. ex Claus -- accepted
  Euphorbia astrispina N.E. Br. -- not accepted
  Euphorbia astroites Fisch. & C.A. Mey. -- not accepted
  Euphorbia astroites var. heterappendiculata Millsp. -- not accepted
  Euphorbia astyla Engelm. ex Boiss. -- accepted -- alkali sandmat, Pecos spurge
  Euphorbia atlantica Pers. -- not accepted
  Euphorbia atlantica Coss. ex Boiss. -- not accepted
  Euphorbia atlantica var. leiocarpa Boiss. -- not accepted
  Euphorbia atlantica var. major Boiss. -- not accepted
  Euphorbia atlantica var. villosa Faure & Maire -- not accepted
  Euphorbia atlantis Maire -- not accepted
  Euphorbia atlantis f. major (Boiss.) Vindt -- not accepted
  Euphorbia atlantis var. leiocarpa (Boiss.) Oudejans -- not accepted
  Euphorbia atlantis var. major (Boiss.) Oudejans -- not accepted
  Euphorbia atlantis var. villosa (Faure & Maire) Vindt -- not accepted
  Euphorbia atoto G. Forst. -- accepted
  Euphorbia atoto var. imbricata Boiss. -- not accepted
  Euphorbia atoto var. minor Boiss. -- not accepted
  Euphorbia atrocarmesina L.C. Leach -- accepted
  Euphorbia atrocarmesina ssp. arborea L.C. Leach -- accepted
  Euphorbia atrocarmesina ssp. atrocarmesina L.C. Leach -- accepted
  Euphorbia atrococca A. Heller -- accepted -- koko
  Euphorbia atrococca var. kilaueana Sherff -- not accepted
  Euphorbia atrococca var. kokeeana Sherff -- not accepted
  Euphorbia atrococca var. typica Sherff -- not accepted
  Euphorbia atroflora S. Carter -- accepted
  Euphorbia atropurpurea Brouss. ex Willd. -- accepted
  Euphorbia atropurpurea f. atropurpurea Brouss. ex Willd. -- accepted
  Euphorbia atropurpurea f. lutea A. Santos -- accepted
  Euphorbia atropurpurea var. modesta Svent. -- not accepted
  Euphorbia atrorubens Engelm. ex Boiss. -- not accepted
  Euphorbia atrosanguinea Poepp. ex Klotzsch -- not accepted
  Euphorbia atrox F.K. Horw. ex S. Carter -- accepted
  Euphorbia attastoma Rizzini -- accepted
  Euphorbia attastoma var. xanthochlora Rizzini -- not accepted
  Euphorbia aubryana Baill. -- not accepted
  Euphorbia aucheri Boiss. -- accepted
  Euphorbia aulacosperma Boiss. -- accepted
  Euphorbia aulacosperma var. fossulata (Boiss. & Gaill.) Boiss. -- not accepted
  Euphorbia aureocincta Croizat -- not accepted
  Euphorbia aureoviridiflora (Rauh) Rauh -- accepted
  Euphorbia auricularia Boiss. -- not accepted
  Euphorbia australis Boiss. -- accepted
  Euphorbia australis var. canescens Domin -- not accepted
  Euphorbia australis var. erythrantha (F. Muell.) Benth. -- not accepted
  Euphorbia australis var. glabrescens Boiss. -- not accepted
  Euphorbia australis var. glaucescens Boiss. -- not accepted
  Euphorbia australis var. potentillina Baill. -- not accepted
  Euphorbia australis var. semiglabra Domin -- not accepted
  Euphorbia australis var. subtomentosa Domin -- not accepted
  Euphorbia australis var. typica Domin -- not accepted
  Euphorbia austriaca A. Kern. -- accepted
  Euphorbia austriaca ssp. sojakii Chrtek & Krísa -- not accepted
  Euphorbia austrina (Small) Jabl. -- not accepted
  Euphorbia austro-occidentalis Thell. -- accepted
  Euphorbia austroanatolica Hub.-Mor. & M.S. Khan -- accepted
  Euphorbia austrotexana Mayfield -- accepted
  Euphorbia austrotexana var. austrotexana Mayfield -- accepted
  Euphorbia austrotexana var. carrii Mayfield -- accepted
  Euphorbia avasmontana Dinter -- accepted
  Euphorbia avenia Thibaut ex Pers. -- not accepted
  Euphorbia awashensis M.G. Gilbert -- accepted
  Euphorbia azorica Hochst. -- accepted -- Erva-leitera
  Euphorbia azorica Welw. ex Boiss. -- not accepted
  Euphorbia babensis Kit. -- not accepted
  Euphorbia bachmannii Pax -- not accepted
  Euphorbia backeri Pax & K. Hoffm. -- not accepted
  Euphorbia baetica Boiss. -- accepted
  Euphorbia baga A. Chev. -- accepted
  Euphorbia baga var. baga A. Chev. -- accepted
  Euphorbia baga var. parvifolia L.E. Newton -- accepted
  Euphorbia bahiensis (Klotzsch & Garcke) Boiss. -- accepted
  Euphorbia baillonii Boiss. ex Baill. -- not accepted
  Euphorbia baioensis S. Carter -- accepted
  Euphorbia bakeriana Baill. -- not accepted
  Euphorbia balakrishnanii Binojk. & Gopalan -- accepted
  Euphorbia balearica Poir. ex Klotzsch & Garcke -- not accepted
  Euphorbia baleensis M.G. Gilbert -- accepted
  Euphorbia balkhanica Tarassov -- not accepted
  Euphorbia ballyana Rauh -- accepted
  Euphorbia ballyi S. Carter -- accepted
  Euphorbia balsamea Welw. ex Hiern -- not accepted
  Euphorbia balsamifera Aiton -- accepted
  Euphorbia balsamifera ssp. adenensis (Deflers) P.R.O. Bally -- accepted
  Euphorbia balsamifera ssp. balsamifera Aiton -- accepted
  Euphorbia balsamifera ssp. sepium (N.E. Br.) Maire -- not accepted
  Euphorbia banae Rauh -- accepted
  Euphorbia bancana Miq. -- not accepted
  Euphorbia baradii S. Carter -- accepted
  Euphorbia barbellata Engelm. -- not accepted
  Euphorbia barbellata Hurus. -- not accepted
  Euphorbia barbellata f. denudata (Hurus.) Kitag. -- not accepted
  Euphorbia barbellata var. imaii (Hurus.) Kitag. -- not accepted
  Euphorbia barbicarina (Millsp.) Standl. -- not accepted
  Euphorbia barbicollis P.R.O. Bally -- accepted
  Euphorbia bariensis S. Carter -- accepted
  Euphorbia barkeri Urb. & Ekman -- not accepted
  Euphorbia barnardii A.C. White, R.A. Dyer & B. Sloane -- accepted
  Euphorbia barnesii (Millsp.) Oudejans -- accepted
  Euphorbia barnhartii Croizat -- not accepted
  Euphorbia barrelieri Savi -- accepted
  Euphorbia barrelieri ssp. barrelieri Savi -- accepted
  Euphorbia barrelieri ssp. carnica (Boiss.) Kuzmanov -- not accepted
  Euphorbia barrelieri ssp. hercegovina (Beck) Kuzmanov -- not accepted
  Euphorbia barrelieri ssp. thessala (Formánek) Bornm. -- accepted
  Euphorbia barrelieri var. carnica (Boiss.) Fiori -- not accepted
  Euphorbia barrelieri var. thessala (Formánek) K. Malý -- not accepted
  Euphorbia barteri N.E. Br. -- not accepted
  Euphorbia bartolomaei Greene -- accepted
  Euphorbia basarabica Prodán -- accepted
  Euphorbia basargica Prodán -- accepted
  Euphorbia baselicis Ten. -- not accepted
  Euphorbia baselicis ssp. thessala Formánek -- not accepted
  Euphorbia baselicis var. rupestris Friraldszky ex Boiss. -- not accepted
  Euphorbia basutica Marloth -- not accepted
  Euphorbia batabanensis Urb. -- not accepted
  Euphorbia baueri Engelm. ex Boiss. -- accepted
  Euphorbia baxanica Galushko -- not accepted
  Euphorbia bayeri L.C. Leach -- accepted
  Euphorbia baylissii L.C. Leach -- accepted
  Euphorbia beamanii M.C. Johnst. -- accepted
  Euphorbia beaumieriana Hook. f. & Coss. -- not accepted
  Euphorbia beckii V.W. Steinm. -- accepted
  Euphorbia begoniifolia Lehm. -- not accepted
  Euphorbia beharensis Leandri -- accepted
  Euphorbia beharensis var. adpressifolia Rauh -- accepted
  Euphorbia beharensis var. beharensis Leandri -- accepted
  Euphorbia beharensis var. guillemetii (Ursch & Leandri) Rauh -- accepted
  Euphorbia beharensis var. squarrosa Rauh -- accepted
  Euphorbia beharensis var. truncata Rauh -- accepted
  Euphorbia beillei A. Chev. -- accepted
  Euphorbia bejariensis DC. -- not accepted
  Euphorbia bemarahaensis Rauh & Mangelsdorff -- accepted
  Euphorbia benedicta Greene -- not accepted
  Euphorbia benguelensis Pax -- not accepted
  Euphorbia benthamii Hiern -- accepted
  Euphorbia berevoensis Lawant & Buddens. -- accepted
  Euphorbia bergeriana Dinter -- not accepted
  Euphorbia bermudiana Millsp. -- not accepted
  Euphorbia berorohae Rauh & Hofstätter -- accepted
  Euphorbia berotica N.E. Br. -- accepted
  Euphorbia bertemariae Bisseret & Dioli -- accepted
  Euphorbia berteroana Balb. ex Spreng. -- accepted -- Bertero's sandmat
  Euphorbia berthelotii Bolle ex Boiss. -- accepted
  Euphorbia berythea Boiss. & Blanche -- accepted
  Euphorbia besseri (Klotzsch & Garcke) Boiss. -- accepted
  Euphorbia betacea Baill. -- accepted
  Euphorbia betulicortex M.G. Gilbert -- accepted
  Euphorbia beuginii Rebmann -- accepted
  Euphorbia bevilaniensis Croizat -- not accepted
  Euphorbia biaculeata Denis -- accepted
  Euphorbia bialata Link -- not accepted
  Euphorbia bianoensis (Malaisse & Lecron) Bruyns -- accepted
  Euphorbia bicapitata Brandegee -- not accepted
  Euphorbia bicephala Bertol. -- not accepted
  Euphorbia bicolor Engelm. & A. Gray -- accepted -- snow on the prairie, snow-on-the-prairie
  Euphorbia bicolor var. concolor Engelm. & A. Gray -- not accepted
  Euphorbia bicompacta Bruyns -- accepted
  Euphorbia bicompacta var. bicompacta Bruyns -- accepted
  Euphorbia bicompacta var. rubra (S. Carter) Bruyns -- accepted
  Euphorbia biconvexa Domin -- accepted
  Euphorbia bifida Hook. & Arn. -- accepted
  Euphorbia bifida Thwaites -- not accepted
  Euphorbia biformis S. Watson -- not accepted
  Euphorbia bifurcata Engelm. -- accepted -- forked spurge
  Euphorbia biglandulosa Desf. -- not accepted
  Euphorbia biglandulosa Boiss. -- not accepted
  Euphorbia biglandulosa Willd. -- not accepted
  Euphorbia biglandulosa var. mauretanica Maire -- not accepted
  Euphorbia biharamulensis S. Carter -- accepted
  Euphorbia bilobata Engelm. -- accepted -- black-seed spurge, blackseed spurge
  Euphorbia bilocularis N.E. Br. -- not accepted
  Euphorbia bimensis Miq. -- not accepted
  Euphorbia bindloensis (A. Stewart) Ya Yang -- accepted
  Euphorbia biramensis Urb. -- not accepted
  Euphorbia biselegans Bruyns -- accepted
  Euphorbia bisellenbeckii Bruyns -- accepted
  Euphorbia biserrata Millsp. -- not accepted
  Euphorbia bisglobosa Bruyns -- accepted
  Euphorbia bisulcata J.T. Howell -- not accepted
  Euphorbia bitataensis M.G. Gilbert -- accepted
  Euphorbia biumbellata Poir. -- accepted
  Euphorbia biumbellata Boiss. -- not accepted
  Euphorbia biuncialis McVaugh -- not accepted
  Euphorbia bivonae Steud. -- accepted
  Euphorbia bivonae ssp. bivonae Steud. -- accepted
  Euphorbia bivonae ssp. tunetana Murb. -- accepted
  Euphorbia bivonae var. mauritii Sennen -- not accepted
  Euphorbia bivonae var. melitensis (Parl.) Fiori -- not accepted
  Euphorbia bivonae var. montana Lojac. -- not accepted
  Euphorbia bivonae var. papillaris Boiss. -- not accepted
  Euphorbia bivonae var. tangerina Pau -- not accepted
  Euphorbia blanchetii Miq. ex Boiss. -- not accepted
  Euphorbia blatteri Oudejans -- accepted
  Euphorbia blepharophylla Ledeb. -- accepted
  Euphorbia blepharostipula Millsp. ex Rose -- not accepted
  Euphorbia blodgettii Engelm. ex Hitchc. -- accepted -- limestone sandmat
  Euphorbia bodenghieniae (Malaisse & Lecron) Bruyns -- accepted
  Euphorbia bodinieri H. Lév. & Vaniot -- not accepted
  Euphorbia boerhaavioides Rusby -- accepted
  Euphorbia boerhaviifolia (Klotzsch & Garcke) Boiss. -- not accepted
  Euphorbia boinensis Denis ex Humbert & Leandri -- accepted
  Euphorbia boissieri Baill. -- accepted
  Euphorbia boissieriana (Woronow) Prokh. -- not accepted
  Euphorbia boiteaui Leandri -- accepted
  Euphorbia boivinii Boiss. -- accepted
  Euphorbia boivinii var. boivinii Boiss. -- accepted
  Euphorbia boivinii var. minor Leandri -- accepted
  Euphorbia boivinii var. oreades Leandri -- accepted
  Euphorbia boliviana Rusby -- not accepted
  Euphorbia bolosii (Molero & Rovira) Molero & Rovira -- not accepted
  Euphorbia bolusii N.E. Br. -- not accepted
  Euphorbia bombaiensis Santapau -- not accepted
  Euphorbia bombensis Jacq. -- accepted -- Dixie sandmat
  Euphorbia bonae Mutel -- not accepted
  Euphorbia bongensis Kotschy & Peyr. ex Boiss. -- accepted
  Euphorbia bongolavensis Rauh -- accepted
  Euphorbia bonifaciensis Req. ex Gren. & Godr. -- not accepted
  Euphorbia bonplandii Sweet -- not accepted
  Euphorbia boophthona C.A. Gardner -- accepted
  Euphorbia borbonica Boiss. -- accepted
  Euphorbia borealis Baikov -- accepted
  Euphorbia borenensis M.G. Gilbert -- accepted
  Euphorbia borodinii Sambuk -- accepted
  Euphorbia borszczowii Prokh. -- not accepted
  Euphorbia bosseri Leandri -- accepted
  Euphorbia bothriosperma Boiss. & Kotschy -- not accepted
  Euphorbia botryoides Noronha -- not accepted
  Euphorbia bottae Boiss. -- not accepted
  Euphorbia bougheyi L.C. Leach -- accepted
  Euphorbia bouleyi S. Moore -- not accepted
  Euphorbia bounophila Boiss. -- not accepted
  Euphorbia bounophila var. aucheri (Boiss.) Boiss. -- not accepted
  Euphorbia bourgaeana J. Gay ex Boiss. -- accepted
  Euphorbia bracei Millsp. -- not accepted
  Euphorbia brachiata (E. Mey. ex Klotzsch & Garcke) Boiss. -- accepted
  Euphorbia brachiata Jan -- not accepted
  Euphorbia brachycera Engelm. -- accepted -- horned spurge, shorthorn spurge
  Euphorbia brachycera f. dichotoma (Daniels) Oudejans -- not accepted
  Euphorbia brachycera var. greggii (Engelm. ex Boiss.) M.C. Johnst. -- not accepted
  Euphorbia brachycera var. robusta (Engelm.) Dorn -- not accepted
  Euphorbia brachyphylla Denis -- accepted
  Euphorbia bracteata Jacq. -- accepted
  Euphorbia bracteolaris Boiss. -- accepted
  Euphorbia brakdamensis N.E. Br. -- accepted
  Euphorbia brandegeei Millsp. -- accepted
  Euphorbia brasiliensis Lam. -- not accepted
  Euphorbia brasiliensis f. angustior Chodat & Hassl. -- not accepted
  Euphorbia brasiliensis f. latior Chodat & Hassl. -- not accepted
  Euphorbia brasiliensis f. major Chodat & Hassl. -- not accepted
  Euphorbia brasiliensis f. pruinosa Chodat -- not accepted
  Euphorbia brasiliensis f. subsessilis Chodat & Hassl. -- not accepted
  Euphorbia brasiliensis var. blanchetii (Miq. ex Boiss.) Boiss. -- not accepted
  Euphorbia brasiliensis var. genuina Chodat & Hassl. -- not accepted
  Euphorbia brasiliensis var. hyssopifolia (L.) Boiss. -- not accepted
  Euphorbia brasiliensis var. lorentzii (Müll. Arg.) Griseb. -- not accepted
  Euphorbia brasiliensis var. paraguayensis Chodat -- not accepted
  Euphorbia brasiliensis var. pruinosa (Chodat) Chodat & Hassl. -- not accepted
  Euphorbia brasiliensis var. pulchella (Kunth) Boiss. -- not accepted
  Euphorbia brasiliensis var. uniflora Chodat & Hassl. -- not accepted
  Euphorbia brassii P.I. Forst. -- accepted
  Euphorbia braunsii N.E. Br. -- accepted
  Euphorbia bravoana Svent. -- accepted
  Euphorbia breonii Nois. -- not accepted
  Euphorbia breviarticulata Pax -- accepted
  Euphorbia breviarticulata var. breviarticulata Pax -- accepted
  Euphorbia breviarticulata var. trunciformis S. Carter -- accepted
  Euphorbia brevicornu Pax -- accepted
  Euphorbia brevirama N.E. Br. -- accepted
  Euphorbia brevis N.E. Br. -- accepted
  Euphorbia brevitorta P.R.O. Bally -- accepted
  Euphorbia bridgesii (Klotzsch & Garcke) Bertol. ex Boiss. -- not accepted
  Euphorbia briquetii Emb. & Maire -- accepted
  Euphorbia brittingeri Opiz ex Samp. -- not accepted
  Euphorbia brittingeri ssp. flavicoma (DC.) Ladero -- not accepted
  Euphorbia brittonii Millsp. -- not accepted
  Euphorbia brochonii Deysson -- not accepted
  Euphorbia broteroi Daveau -- not accepted
  Euphorbia broussonetii Willd. ex Link -- not accepted
  Euphorbia brunellii Chiov. -- accepted
  Euphorbia bruntii (Proctor) Oudejans -- accepted
  Euphorbia bruynsii L.C. Leach -- accepted
  Euphorbia bryophylla Donn. Sm. -- not accepted
  Euphorbia bubalina Boiss. -- accepted
  Euphorbia buchananii Pax -- not accepted
  Euphorbia buchtormensis Ledeb. -- accepted
  Euphorbia buhsei Boiss. -- accepted
  Euphorbia buhsei var. lasiostemon Boiss. -- not accepted
  Euphorbia bulbispina Rauh & Razaf. -- accepted
  Euphorbia bulleyana Diels -- not accepted
  Euphorbia bungei Boiss. -- accepted
  Euphorbia bupleurifolia Jacq. -- accepted
  Euphorbia bupleurifolia E. Mey. -- not accepted
  Euphorbia bupleuroides Desf. -- accepted
  Euphorbia bupleuroides Diels -- not accepted
  Euphorbia bupleuroides Willd. ex Boiss. -- not accepted
  Euphorbia bupleuroides Willd. ex Ledeb. -- not accepted
  Euphorbia bupleuroides ssp. luteola (Kralik) Maire -- not accepted
  Euphorbia burchellii Müll. Arg. -- accepted
  Euphorbia burgeri M.G. Gilbert -- accepted
  Euphorbia burkhartii Bacigalupo -- accepted
  Euphorbia burmanica Hook. f. -- accepted
  Euphorbia burmanniana J. Gay -- not accepted
  Euphorbia burmannii (Klotzsch & Garcke) E. Mey. ex Boiss. -- accepted
  Euphorbia burmannii var. karroensis Boiss. -- not accepted
  Euphorbia buruana Pax -- accepted
  Euphorbia buschiana Grossh. -- accepted
  Euphorbia bussei Pax -- accepted
  Euphorbia bussei var. bussei Pax -- accepted
  Euphorbia bussei var. kibwezensis (N.E. Br.) S. Carter -- accepted
  Euphorbia buxifolia Lam. -- not accepted
  Euphorbia buxifolia f. florida Millsp. -- not accepted
  Euphorbia buxifolia f. reclinata Millsp. -- not accepted
  Euphorbia buxifolia f. seminuda Millsp. -- not accepted
  Euphorbia buxifolia var. flexuosa (Kunth) Boiss. -- not accepted
  Euphorbia buxifolia var. ramosissima Millsp. -- not accepted
  Euphorbia buxoides Radcl.-Sm. -- accepted
  Euphorbia bwambensis S. Carter -- accepted
  Euphorbia cactus Ehrenb. ex Boiss. -- accepted
  Euphorbia cactus var. tortirama Rauh & Lavranos -- not accepted
  Euphorbia cadrilateri Prodán -- not accepted
  Euphorbia caducifolia Haines -- accepted
  Euphorbia caecorum Mart. ex Boiss. -- not accepted
  Euphorbia caeladenia Boiss. -- accepted
  Euphorbia caerulescens Haw. -- accepted
  Euphorbia caesaraugustana Willk. & Lange -- not accepted
  Euphorbia caesia Kar. & Kir. -- accepted
  Euphorbia caespitosa Lam. -- accepted
  Euphorbia caespitosa Ten. -- not accepted
  Euphorbia caespitosa ssp. typica Croizat -- not accepted
  Euphorbia caespitosa ssp. ventanicola Croizat -- not accepted
  Euphorbia caespitosa var. angustifolia Hauman -- not accepted
  Euphorbia caespitosa var. ventanicola (Croizat) Subils -- not accepted
  Euphorbia caiogala Ehrh. -- not accepted
  Euphorbia calabarica Burkill -- not accepted
  Euphorbia calabrica Huter, Porta & Rigo -- not accepted
  Euphorbia calamiformis P.R.O. Bally & S. Carter -- accepted
  Euphorbia calcarata (Schltdl.) V.W. Steinm. -- accepted
  Euphorbia calcarea Coss. & Durieu ex Coss. -- not accepted
  Euphorbia calcicola Fernald -- accepted
  Euphorbia calderensis Phil. -- not accepted
  Euphorbia calderoniae V.W. Steinm. -- accepted
  Euphorbia calendulifolia Delile -- not accepted
  Euphorbia californica Benth. -- accepted
  Euphorbia californica var. hindsiana (Benth.) Wiggins -- not accepted
  Euphorbia calliadena Engelm. ex Boiss. -- not accepted
  Euphorbia callitrichoides Kunth -- not accepted
  Euphorbia callitrichoides S. Schauer -- not accepted
  Euphorbia caloderma S. Carter -- accepted
  Euphorbia calonesiaca Croizat -- not accepted
  Euphorbia calva N.E. Br. -- not accepted
  Euphorbia calyciflora Sessé & Moç. -- not accepted
  Euphorbia calycina N.E. Br. -- not accepted
  Euphorbia calyculata Kunth -- accepted -- Chupire, Tencuante
  Euphorbia calyptrata Coss. & Durieu -- accepted
  Euphorbia calyptrata var. involucrata Batt. -- not accepted
  Euphorbia camagueyensis (Millsp.) Urb. -- accepted
  Euphorbia cameronii N.E. Br. -- accepted
  Euphorbia campestris S. Geuns -- not accepted
  Euphorbia campestris var. esuliformis (S. Schauer ex Nees & S. Schauer) Boiss. -- not accepted
  Euphorbia campestris var. foliosa Millsp. -- not accepted
  Euphorbia campestris var. seemannii (Klotzsch) Boiss. -- not accepted
  Euphorbia campestris var. subpuberula Greenm. -- not accepted
  Euphorbia canaliculata Lam. -- not accepted
  Euphorbia canaliculata Pers. -- not accepted
  Euphorbia canaliculata Lodd. -- not accepted
  Euphorbia canariensis L. -- accepted
  Euphorbia canariensis f. viridis G. Kunkel -- not accepted
  Euphorbia canariensis var. spiralis Bolle ex Boiss. -- not accepted
  Euphorbia candelabrum Trémaux ex Kotschy -- accepted
  Euphorbia candelabrum Welw. ex Hiern -- not accepted
  Euphorbia candelabrum var. bilocularis (N.E. Br.) S. Carter -- accepted
  Euphorbia candelabrum var. candelabrum Trémaux ex Kotschy -- accepted
  Euphorbia canescens L. -- not accepted
  Euphorbia cannellii L.C. Leach -- accepted
  Euphorbia cantabrica Rouy -- not accepted
  Euphorbia canuti Parl. -- not accepted
  Euphorbia capansa Ducke -- not accepted
  Euphorbia capazii Caball. -- not accepted
  Euphorbia caperata McVaugh -- accepted
  Euphorbia caperonioides R.A. Dyer & P.G. Mey. -- accepted
  Euphorbia capillaris Gagnep. -- accepted
  Euphorbia capitata Lam. -- not accepted
  Euphorbia capitellata Engelm. -- accepted -- capitate sandmat, head sandmat, head spurge
  Euphorbia capitellata var. laxiflora S. Watson -- not accepted
  Euphorbia capitellata var. typica L.C. Wheeler -- not accepted
  Euphorbia capitulata Rchb. -- accepted
  Euphorbia capmanambatoensis Rauh -- accepted
  Euphorbia capsaintemariensis Rauh -- accepted
  Euphorbia capsaintemariensis var. tulearensis Rauh -- not accepted
  Euphorbia captiosa N.E. Br. -- not accepted
  Euphorbia capuronii Ursch & Leandri -- accepted
  Euphorbia capuronii Leandri -- not accepted
  Euphorbia caput-aureum Denis -- accepted
  Euphorbia caput-medusae L. -- accepted
  Euphorbia caput-medusae var. geminata Aiton -- not accepted
  Euphorbia caput-medusae var. major Aiton -- not accepted
  Euphorbia caracasana (Klotzsch & Garcke) Boiss. -- not accepted
  Euphorbia cardiophylla Boiss. & Heldr. -- not accepted
  Euphorbia careyi F. Muell. -- not accepted
  Euphorbia carinata Donn -- not accepted
  Euphorbia carinifolia N.E. Br. -- accepted
  Euphorbia carinthiaca Traunf. ex Boiss. -- not accepted
  Euphorbia carinulata P.R.O. Bally & S. Carter -- accepted
  Euphorbia carissoides F.M. Bailey -- accepted
  Euphorbia carmenensis Rose -- not accepted
  Euphorbia carniolica Jacq. -- accepted
  Euphorbia carniolica Scop. ex Brot. -- not accepted
  Euphorbia carniolica Lapeyr. -- not accepted
  Euphorbia carniolica DC. -- not accepted
  Euphorbia carniolica f. expansa (Janka) Prodán -- not accepted
  Euphorbia carniolica ssp. expansa (Janka) Nyman -- not accepted
  Euphorbia carniolica var. ambigua (Waldst. & Kit. ex Willd.) Nyman -- not accepted
  Euphorbia carnosa Paulsen -- not accepted
  Euphorbia carpasus Ehrenb. ex Boiss. -- not accepted
  Euphorbia carpatica Wol. -- accepted
  Euphorbia cartaginiensis Porta & Rigo -- not accepted
  Euphorbia carteriana P.R.O. Bally -- accepted
  Euphorbia carullae Sennen -- not accepted
  Euphorbia carunculata Waterf. -- accepted -- sand-dune spurge, sanddune sandmat
  Euphorbia carunculifera L.C. Leach -- accepted
  Euphorbia carunculifera ssp. subfastigiata L.C. Leach -- not accepted
  Euphorbia cashmeriana Royle -- accepted
  Euphorbia cassia Boiss. -- accepted
  Euphorbia cassia ssp. cassia Boiss. -- accepted
  Euphorbia cassia ssp. rigoi (Boiss. ex Freyn) Holmboe -- accepted
  Euphorbia cassioides C. Presl -- not accepted
  Euphorbia cassythoides Boiss. -- accepted
  Euphorbia castillonii Lavranos -- not accepted
  Euphorbia catamarcensis (Croizat) Subils -- accepted
  Euphorbia cataractarum S. Carter -- accepted
  Euphorbia catenata (S. Carter) Bruyns -- accepted
  Euphorbia caterviflora N.E. Br. -- accepted
  Euphorbia cattimandoo Elliot ex Wight -- accepted
  Euphorbia caucasica Dubovik -- not accepted
  Euphorbia caudata Boiss. & Hausskn. -- not accepted
  Euphorbia caudiculosa Boiss. -- accepted
  Euphorbia cavaleriei H. Lév. & Vaniot -- not accepted
  Euphorbia cayensis Millsp. -- accepted
  Euphorbia cebrina Hochst. ex Klotzsch & Garcke -- not accepted
  Euphorbia cechica Opiz -- not accepted
  Euphorbia cedrorum Rauh & Hebding -- accepted
  Euphorbia celastroides Boiss. -- accepted -- `ekoko
  Euphorbia celastroides var. amplectens Sherff -- not accepted -- `ekoko
  Euphorbia celastroides var. arenisaxosa H. St. John -- not accepted
  Euphorbia celastroides var. halawana Sherff -- not accepted
  Euphorbia celastroides var. hanapepensis Sherff -- not accepted -- `ekoko
  Euphorbia celastroides var. haupuana Sherff -- not accepted
  Euphorbia celastroides var. humbertii Sherff -- not accepted
  Euphorbia celastroides var. ingrata O. Deg. & Sherff -- not accepted
  Euphorbia celastroides var. kaenana Sherff -- not accepted -- `ekoko
  Euphorbia celastroides var. kealiana Sherff -- not accepted
  Euphorbia celastroides var. kohalana Sherff -- not accepted
  Euphorbia celastroides var. laehiensis O. Deg., I. Deg. & Sherff -- not accepted -- `ekoko
  Euphorbia celastroides var. limahuliensis H. St. John -- not accepted
  Euphorbia celastroides var. lorifolia (A. Gray ex H. Mann) Sherff -- not accepted -- `ekoko
  Euphorbia celastroides var. mauiensis Sherff -- not accepted
  Euphorbia celastroides var. moomomiana Sherff -- not accepted
  Euphorbia celastroides var. nelsonii H. St. John -- not accepted
  Euphorbia celastroides var. nematopoda Sherff -- not accepted
  Euphorbia celastroides var. niuensis Sherff -- not accepted
  Euphorbia celastroides var. odonatoides O. Deg. & Sherff -- not accepted
  Euphorbia celastroides var. pseudoniuensis O. Deg. & Sherff -- not accepted
  Euphorbia celastroides var. saxicola O. Deg. & Sherff ex Sherff -- not accepted
  Euphorbia celastroides var. stokesii (C.N. Forbes) Sherff -- not accepted -- `ekoko
  Euphorbia celastroides var. tomentella (Boiss.) Oudejans -- not accepted -- `ekoko
  Euphorbia celastroides var. typica Sherff -- not accepted
  Euphorbia celastroides var. waikoluensis Sherff -- not accepted
  Euphorbia celata R.A. Dyer -- accepted
  Euphorbia celerieri (Emb.) Emb. ex Vindt -- accepted
  Euphorbia centralis B.G. Thomson -- accepted
  Euphorbia centunculoides Kunth -- accepted
  Euphorbia ceratocarpa Ten. -- accepted
  Euphorbia cerebrina Hochst. ex Boiss. -- not accepted
  Euphorbia cereiformis L. -- accepted
  Euphorbia cereiformis var. echinata Salm-Dyck ex Boiss. -- not accepted
  Euphorbia cereiformis var. submamillaris A. Berger -- not accepted
  Euphorbia cerifera Alcocer -- not accepted
  Euphorbia cerinthifolia Fisch. ex Boiss. -- not accepted
  Euphorbia cernua Coss. & Durieu ex Boiss. -- not accepted
  Euphorbia ceroderma I.M. Johnst. -- accepted
  Euphorbia cervicornis Boiss. -- not accepted
  Euphorbia cervicornu Baill. -- accepted
  Euphorbia cestrifolia Kunth -- accepted
  Euphorbia chaborasia Gomb. -- accepted
  Euphorbia chaculana Donn. Sm. -- not accepted
  Euphorbia chaetocalyx (Boiss.) Tidestr. -- accepted -- bristlecup sandmat
  Euphorbia chaetocalyx var. chaetocalyx (Boiss.) Tidestr. -- accepted -- bristlecup sandmat
  Euphorbia chaetocalyx var. triligulata (L.C. Wheeler) M.C. Johnst. -- accepted -- bristlecup sandmat, Triligulate bristlecup sandmat
  Euphorbia chaixiana Timb.-Lagr. -- not accepted
  Euphorbia chalicophila Weath. -- not accepted
  Euphorbia chamaebuxus Bernard ex Gren. & Godr. -- not accepted
  Euphorbia chamaecaula Weath. -- not accepted
  Euphorbia chamaeclada Ule -- accepted
  Euphorbia chamaecormos Chiov. -- not accepted
  Euphorbia chamaepeploides Lotsy -- not accepted
  Euphorbia chamaepeplus Boiss. & Gaill. -- accepted
  Euphorbia chamaepeplus var. angustifolia Danin -- not accepted
  Euphorbia chamaepeplus var. sinaica Boiss. -- not accepted
  Euphorbia chamaerrhodos Boiss. -- accepted
  Euphorbia chamaerrhodos var. hirsuta Chodat & Hassl. -- not accepted
  Euphorbia chamaesula Boiss. -- accepted -- mountain spurge
  Euphorbia chamaesula var. subdentata (Engelm.) Norton -- not accepted
  Euphorbia chamaesyce L. -- accepted
  Euphorbia chamaesyce var. canescens (L.) Boiss. -- not accepted
  Euphorbia chamaesyce var. glabra Roep. -- not accepted
  Euphorbia chamaesyce var. glabra C.A. Mey. -- not accepted
  Euphorbia chamaesyce var. glabriuscula Lange -- not accepted
  Euphorbia chamaesyce var. massiliensis (DC.) Thell. -- not accepted
  Euphorbia chamaesyce var. pilosa Roep. -- not accepted
  Euphorbia chamaesyce var. pilosa C.A. Mey. -- not accepted
  Euphorbia chamaesycoides B. Nord. -- accepted
  Euphorbia chamberlinii I.M. Johnst. -- accepted
  Euphorbia chamissonis (Klotzsch & Garcke) Boiss. -- accepted
  Euphorbia chankoana Vorosch. -- not accepted
  Euphorbia chapmanii Oudejans -- not accepted -- Chapman's spurge
  Euphorbia characias L. -- accepted -- Albanian spurge
  Euphorbia characias ssp. characias L. -- accepted
  Euphorbia characias ssp. veneta (Willd.) Litard. -- not accepted
  Euphorbia characias ssp. wulfenii (Hoppe ex W. Koch) Radcl.-Sm. -- accepted
  Euphorbia characias var. eriocarpa (Bertol.) Nyman -- not accepted
  Euphorbia characias var. lusitanica O. Bolòs -- not accepted
  Euphorbia charleswilsoniana V. Vlk -- accepted
  Euphorbia chasmophila Rech. f. & Aellen -- not accepted
  Euphorbia cheiradenia Boiss. & Hohen. -- accepted
  Euphorbia cheirolepis Fisch. & C.A. Mey. ex Ledeb. -- accepted
  Euphorbia cheirolepis var. heterophylla Boiss. -- not accepted
  Euphorbia chenopodiifolia Boiss. -- accepted
  Euphorbia chersina N.E. Br. -- accepted