ITIS Taxon Author Search results citing "DC."

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Taxon author: DC.

ITIS records citing taxon author "DC."


Kingdom Animalia
	Abythites lepidogenys (Smith and Radcliffe in Radcliffe, 1913) -- invalid
	Allocosa nanahuensis (Badcock, 1932) -- valid
	Anochetus mixtus Radchenko, 1993 -- valid
	Antennarius altipinnis Smith and Radcliff in Radcliff, 1912 -- invalid
	Antennarius rosaceus Smith and Radcliffe in Radcliffe, 1912 -- valid -- rosy frogfish
	Aphaenogaster dlusskyi Radchenko & Arakelian, 1991 -- valid
	Aphyocharax analialbis NODC, 1996 -- invalid
	Apogon albomarginata (Smith and Radcliffe in Radcliffe, 1912) -- invalid
	Apogon albomarginatus (Smith and Radcliffe in Radcliffe, 1912) -- invalid
	Apogon angustatus (Smith and Radcliffe in Radcliffe, 1911) -- valid -- broadstriped cardinalfish, broadstriped cardinalfish
	Apogon atrogaster (Smith and Radcliffe in Radcliffe, 1912) -- valid
	Apogon compressus (Smith and Radcliffe in Radcliffe, 1911) -- valid
	Apogon diencaea (Smith and Radcliffe in Radcliffe, 1912) -- invalid
	Apogon diversus (Smith and Radcliffe in Radcliffe, 1912) -- valid
	Apogon nigrocincta (Smith and Radcliffe in Radcliffe, 1912) -- valid
	Apogon nigrocinctus (Smith and Radcliffe in Radcliffe, 1912) -- invalid
	Apogon parvulus (Smith and Radcliffe in Radcliffe, 1912) -- valid
	Apogon robustus (Smith and Radcliffe in Radcliffe, 1911) -- invalid
	Apogon striatus (Smith and Radcliffe in Radcliffe, 1912) -- valid
	Apogon uninotatus (Smith and Radcliffe in Radcliffe, 1912) -- valid
	Barathrodemus nasutus Smith and Radcliffe in Radcliffe, 1913 -- valid
	Bassobythites macropterus (Smith and Radcliffe in Radcliffe, 1913) -- invalid
	Bassozetus elongatus Smith and Radcliffe in Radcliffe, 1913 -- valid
	Bassozetus robustus Smith and Radcliffe in Radcliffe, 1913 -- valid
	Bathygadus filamentosus (Smith and Radcliffe in Radcliffe, 1912) -- invalid
	Bathygadus sulcatus (Smith and Radcliffe in Radcliffe, 1912) -- valid
	Bathyraja aguja (Kendall and Radcliffe, 1912) -- valid
	Bellottia armiger (Smith and Radcliffe in Radcliffe, 1913) -- valid
	Bothriomyrmex modestus Radchenko, 1985 -- valid
	Breda quinquedentata Badcock, 1932 -- valid
	Bythites lepidogenys Smith and Radcliffe in Radcliffe, 1913 -- invalid
	Caelorinchus acutirostris Smith and Radcliffe in Radcliffe, 1912 -- valid
	Caelorinchus argentatus Smith and Radcliffe in Radcliffe, 1912 -- valid -- silver whiptail
	Caelorinchus commutabilis Smith and Radcliffe in Radcliffe, 1912 -- valid
	Caelorinchus macrorhynchus Smith and Radcliffe in Radcliffe, 1912 -- valid
	Caelorinchus notatus Smith and Radcliffe in Radcliffe, 1912 -- valid
	Caelorinchus platorhynchus Smith and Radcliffe in Radcliffe, 1912 -- valid
	Cataetyx lepidogenys (Smith and Radcliffe in Radcliffe, 1913) -- valid
	Cataglyphis machmal Radchenko & Arakelian, 1991 -- valid
	Centropyge multifasciata (Smith and Radcliffe, 1911) -- valid
	Centropyge multifasciatus (Smith and Radcliff, 1911) -- invalid
	Cerapachys foveolatus Radchenko, 1993 -- valid
	Cestracion peruanus Evermann and Radcliffe, 1917 -- invalid
	Chaetodon argentatus Smith and Radcliffe, 1911 -- valid
	Chalepoxenus tauricus Radchenko, 1989 -- valid
	Chalepoxenus zabelini Radchenko, 1989 -- valid
	Cheilodipterus nigrotaeniatus Smith and Radcliffe in Radcliffe, 1912 -- valid
	Cheilodipterus zonatus Smith and Radcliffe in Radcliffe, 1912 -- valid
	Chromis intercrusma Evermann and Radcliff, 1917 -- valid
	Cirrhoscyllium Smith and Radcliffe in Smith, 1913 -- valid
	Cirrhoscyllium expolitum Smith and Radcliffe in Smith, 1913 -- valid -- barbelthroat carpet shark, barbelthroat carpetshark, requin-carpette � moustache
	Coelophrys arca Smith and Radcliffe in Radcliffe, 1912 -- valid
	Coelophrys breviceps Smith and Radcliffe in Radcliffe, 1912 -- invalid
	Coelophrys brevipes Smith and Radcliffe in Radcliffe, 1912 -- valid
	Coelophrys mollis Smith and Radcliffe in Radcliffe, 1912 -- valid
	Coelophrys oblonga Smith and Radcliffe in Radcliffe, 1912 -- valid
	Colias tyche olga Churkin, Grieshuber, Bogdanov and Zamolodchikov, 2001 -- valid
	Coryphaenoides aequatoris (Smith and Radcliffe in Radcliffe, 1912) -- valid
	Coryphaenoides asprellus (Smith and Radcliffe in Radcliffe, 1912) -- valid
	Coryphaenoides camurus (Smith and Radcliffe in Radcliffe, 1912) -- valid
	Coryphaenoides dubius (Smith and Radcliffe in Radcliffe, 1912) -- valid
	Coryphaenoides microps (Smith and Radcliffe in Radcliffe, 1912) -- valid
	Coryphaenoides orthogrammus (Smith and Radcliffe in Radcliffe, 1912) -- valid
	Coryphaenoides paradoxus Smith and Radcliffe in Radcliffe, 1912 -- invalid
	Corythalia cincta (Badcock, 1932) -- valid
	Crotalus lorenzoensis Radcliffe and Maslin, 1975 -- valid -- San Lorenzo Island Rattlesnake
	Crotalus ruber lorenzoensis Radcliffe and Maslin, 1975 -- invalid
	Cryptocercus kyebangensis Grandcolas, 2001 -- valid
	Cryptocercus matilei Grandcolas, 2000 -- valid
	Cyclothone parapallida Badcock, 1982 -- valid
	Dasypoda michezi Radchenko, 2017 -- valid
	Dasypoda morawitzi Radchenko, 2016 -- valid
	Deania profundorum (Smith and Radcliffe in Smith, 1912) -- valid -- arrowhead dogfish
	Dermatias Smith and Radcliffe in Radcliffe, 1912 -- valid
	Dermatias platynogaster Smith and Radcliffe in Radcliffe, 1912 -- valid
	Dero hylae Goodchild, 1951 -- valid -- aquatic oligochaete worm
	Dicrolene longimana Smith and Radcliffe in Radcliffe, 1913 -- valid
	Dicrolene tristis Smith and Radcliffe in Radcliffe, 1913 -- valid
	Diplacanthopoma brunnea Smith and Radcliffe in Radcliffe, 1913 -- valid
	Elgonocyclus Verdcourt, 1982 -- valid
	Emblemaria hudsoni Evermann and Radcliffe, 1917 -- valid
	Enchelybrotula Smith and Radcliffe in Radcliffe, 1913 -- valid
	Enchelybrotula paucidens Smith and Radcliffe in Radcliffe, 1913 -- valid
	Eretmichthys remifer Smith and Radcliffe in Radcliffe, 1913 -- invalid
	Etheostoma sellare (Radcliffe and Welsh, 1913) -- valid -- Maryland darter
	Etmopterus brachyurus Smith and Radcliffe in Smith, 1912 -- valid -- shorttail laternshark
	Eugerres periche (Evermann and Radcliffe, 1917) -- valid
	Eustala tribrachiata Badcock, 1932 -- valid
	Evermannichthys spongicola (Radcliffe, 1917) -- valid -- gobio esponjero, sponge goby
	Foa hyalina (Smith and Radcliffe in Radcliffe, 1912) -- valid
	Gadomus filamentosus (Smith and Radcliffe in Radcliffe, 1912) -- valid
	Geolycosa albimarginata (Badcock, 1932) -- valid
	Girella nebulosa Kendall and Radcliffe, 1912 -- valid
	Glyptophidium lucidum Smith and Radcliffe in Radcliffe, 1913 -- valid
	Glyptophidium oceanicum Smith and Radcliffe in Radcliffe, 1913 -- invalid
	Glyptophidium oceanium Smith and Radcliffe in Radcliffe, 1913 -- valid
	Grammonus robustus Smith and Radcliffe in Radcliffe, 1913 -- valid
	Halicmetus reticulatus Smith and Radcliffe in Radcliffe, 1912 -- valid
	Halieutopsis simula (Smith and Radcliffe in Radcliffe, 1912) -- valid
	Halieutopsis stellifera (Smith and Radcliffe in Radcliffe, 1912) -- valid
	Halieutopsis vermicularis Smith and Radcliffe in Radcliffe, 1912 -- valid
	Heniochus singularius Smith and Radcliffe, 1911 -- valid -- Philippine kabubu
	Hephthocara crassiceps Smith and Radcliffe in Radcliffe, 1913 -- valid
	Holacanthus multifasciatus Smith and Radcliff, 1911 -- invalid
	Holcomycteronus aequatoris (Smith and Radcliffe in Radcliffe, 1913) -- valid
	Homostolus Smith and Radcliffe in Radcliffe, 1913 -- valid
	Homostolus acer Smith and Radcliffe in Radcliffe, 1913 -- valid
	Hydrolagus deani Smith and Radcliffe in Smith, 1912 -- valid
	Hymenocephalus longiceps Smith and Radcliffe in Radcliffe, 1912 -- valid
	Hymenocephalus longipes Smith and Radcliffe in Radcliffe, 1912 -- valid
	Hymenocephalus striatissimus torvus Smith and Radcliffe in Radcliffe, 1912 -- valid
	Hypopleuron Smith and Radcliffe in Radcliffe, 1913 -- valid
	Hypopleuron caninum Smith and Radcliffe in Radcliffe, 1913 -- valid
	Kuhlia nutabunda Kendall and Radcliffe, 1912 -- valid
	Kuronezumia macronema (Smith and Radcliffe in Radcliffe, 1912) -- valid
	Latrodectus antheratus (Badcock, 1932) -- valid
	Lepidonectes corallicola (Kendall and Radcliffe, 1912) -- valid
	Leptothorax alinae Radchenko, 1993 -- valid
	Leptothorax iranicus Radchenko, 1993 -- valid
	Leptothorax janushevi Radchenko, 1993 -- valid
	Leptothorax kurilensis Radchenko, 1993 -- valid
	Leptothorax singularis Radchenko, 1993 -- valid
	Leptothorax tamarae Radchenko, 1993 -- valid
	Leptothorax werneri Radchenko, 1993 -- valid
	Leucauge atrostricta Badcock, 1932 -- valid
	Lopezus fedtschenkoi (McLachlan in Fedchenko, 1875) -- valid
	Lopezus fedtschenkoi fedtschenkoi (McLachlan in Fedchenko, 1875) -- valid
	Lophiodes infrabrunneus Smith and Radcliffe in Radcliffe, 1912 -- valid -- shortspine monkfish
	Lucigadus lucifer (Smith and Radcliffe in Radcliffe, 1912) -- valid
	Lucigadus nigromarginata (Smith and Radcliffe in Radcliffe, 1912) -- invalid
	Lucigadus nigromarginatus (Smith and Radcliffe in Radcliffe, 1912) -- valid
	Luciobrotula Smith and Radcliffe in Radcliffe, 1913 -- valid
	Luciobrotula bartschi Smith and Radcliffe in Radcliffe, 1913 -- valid
	Macrouroides Smith and Radcliffe in Radcliffe, 1912 -- valid
	Macrouroides inflaticeps Smith and Radcliffe in Radcliffe, 1912 -- valid
	Macrouroidinae Smith and Radcliffe, 1912 -- valid
	Mantispa scabricollis McLachlan in Fedchenko, 1875 -- valid
	Maracanda amoena McLachlan in Fedchenko, 1875 -- valid
	Mastigopterus Smith and Radcliffe in Radcliffe, 1913 -- valid
	Mastigopterus imperator Smith and Radcliffe in Radcliffe, 1913 -- valid
	Mastigopterus praetor Smith and Radcliffe in Radcliffe, 1913 -- invalid
	Mataeocephalus adustus Smith and Radcliffe in Radcliffe, 1912 -- valid
	Mataeocephalus hyostomus (Smith and Radcliffe in Radcliffe, 1912) -- valid
	Mataeocephalus nigrescens Smith and Radcliffe in Radcliffe, 1912 -- invalid
	Melitta budashkini Radchenko and Ivanov, 2012 -- valid
	Mesabolivar azureus (Badcock, 1932) -- valid
	Mesonemurus clarus (McLachlan in Fedchenko, 1875) -- valid
	Mesonemurus paulus (McLachlan in Fedchenko, 1875) -- valid
	Mirandia Badcock, 1932 -- valid
	Mirandia australis Badcock, 1932 -- valid
	Misumenops ignobilis (Badcock, 1932) -- valid
	Monomitopus garmani (Smith and Radcliffe in Radcliffe, 1913) -- valid
	Monomitopus longiceps Smith and Radcliffe in Radcliffe, 1913 -- valid
	Monomitopus microlepis Smith and Radcliffe in Radcliffe, 1913 -- valid
	Monomitopus pallidus Smith and Radcliffe in Radcliffe, 1913 -- valid
	Mummucia dubia Badcock, 1932 -- valid
	Mustelus abbotti Evermann and Radcliffe, 1917 -- invalid
	Myrmarachne biseratensis Badcock, 1918 -- valid
	Myrmarachne cornuta Badcock, 1918 -- valid
	Myrmarachne cuneata Badcock, 1918 -- valid
	Myrmarachne gedongensis Badcock, 1918 -- valid
	Myrmarachne turriformis Badcock, 1918 -- valid
	Myrmecaelurus major McLachlan in Fedchenko, 1875 -- valid
	Myrmica pisarskii Radchenko, 1994 -- valid
	Myrmica transsibirica Radchenko, 1994 -- valid
	Myrmica tschekanovskii Radchenko, 1994 -- valid
	Myrmica zojae Radchenko, 1994 -- valid
	Nasisqualus Smith and Radcliff, 1912 -- invalid
	Nasisqualus profundorum Smith and Radcliffe in Smith, 1912 -- invalid
	Neamia Smith and Radcliffe in Radcliffe, 1912 -- valid
	Neamia octospina Smith and Radcliffe in Radcliffe, 1912 -- valid
	Neobythites fasciatus Smith and Radcliffe in Radcliffe, 1913 -- valid
	Neobythites longiceps Smith and Radcliffe in Radcliffe, 1913 -- invalid
	Neobythites longipes Smith and Radcliffe in Radcliffe, 1913 -- valid
	Neobythites purus Smith and Radcliffe in Radcliffe, 1913 -- valid
	Neobythites unimaculatus Smith and Radcliffe in Radcliffe, 1913 -- valid
	Neuroleon fanaticus (McLachlan in Fedchenko, 1875) -- valid
	Nezumia macronema (Smith and Radcliffe in Radcliffe, 1912) -- invalid
	Nezumia proxima (Smith and Radcliffe in Radcliffe, 1912) -- valid -- short-tail grenadier
	Nicholsina denticulata (Evermann and Radcliff, 1917) -- valid -- loosetooth parrotfish, pococho beriquete
	Nothroctenus Badcock, 1932 -- valid
	Nothroctenus stupidus Badcock, 1932 -- valid
	Nudiantennarius subteres (Smith and Radcliffe in Radcliffe, 1912) -- valid -- deepwater frogfish
	Oligopus robustus (Smith and Radcliffe in Radcliffe, 1913) -- invalid
	Pachycondyla mesoponeroides (Radchenko, 1993) -- valid
	Parateleopus Smith and Radcliffe in Radcliffe, 1912 -- valid
	Parateleopus microstomus Smith and Radcliffe in Radcliffe, 1912 -- valid
	Pareques fuscovittatus (Kendall and Radcliffe, 1912) -- valid -- festive drum, payasito lindo
	Pentanchus Smith and Radcliffe in Smith, 1912 -- valid
	Pentanchus profundicolus Smith and Radcliffe in Smith, 1912 -- valid -- onefin catshark
	Physiculus nigrescens Smith and Radcliffe in Radcliffe, 1912 -- invalid
	Physiculus nigriscens Smith and Radcliffe in Radcliffe, 1912 -- valid
	Plagiolepis karawajewi Radchenko, 1989 -- valid
	Platygillellus rubellulus (Kendall and Radcliffe, 1912) -- valid
	Plexippus luteus Badcock, 1932 -- valid
	Praealticus margaritatus (Kendall and Radcliffe, 1912) -- valid
	Psecas pulcher Badcock, 1932 -- valid
	Pseudonezumia parvipes (Smith and Radcliffe in Radcliffe, 1912) -- valid
	Pseudonus platycephalus (Smith and Radcliffe in Radcliffe, 1913) -- valid
	Pyramodon Smith and Radcliffe in Radcliffe, 1913 -- valid
	Pyramodon ventralis Smith and Radcliffe in Radcliffe, 1913 -- valid -- dogtooth pearlfish
	Pyromodon Smith and Radcliffe in Radcliffe, 1913 -- invalid
	Pyromodon ventralis Smith and Radcliffe in Radcliffe, 1913 -- invalid
	Schmardaella hylae (Goodchild, 1951) -- invalid
	Sebastes chamaco (Evermann and Radcliffe, 1917) -- invalid
	Simopone oculata Radchenko, 1993 -- valid
	Siphamia versicolor (Smith and Radcliffe in Radcliffe, 1911) -- valid
	Sladenia remiger Smith and Radcliffe in Radcliffe, 1912 -- valid -- Celebes monkfish
	Solenopsis nitidum (Dlussky & Radchenko, 1994) -- valid
	Squaliolus Smith and Radcliffe in Smith, 1912 -- valid -- spined pygmy sharks
	Squaliolus laticaudus Smith and Radcliffe in Smith, 1912 -- valid -- spined pigmy shark
	Strongylognathus arnoldii Radchenko, 1985 -- valid
	Strongylognathus chelifer Radchenko, 1985 -- valid
	Strongylognathus minutus Radchenko, 1991 -- valid
	Synagrops serratospinosus Smith and Radcliffe in Radcliffe, 1912 -- valid
	Teminius agalenoides (Badcock, 1932) -- valid
	Tetragnatha decipiens Badcock, 1932 -- valid
	Tetragnatha parva Badcock, 1932 -- valid
	Tetramorium aegeum Radchenko, 1992 -- valid
	Tetramorium bursakovi Radchenko, 1992 -- valid
	Tetramorium confine Radchenko & Arakelian, 1990 -- valid
	Tetramorium densopilosum Radchenko & Arakelian, 1990 -- valid
	Tetramorium vernicosum Radchenko, 1992 -- valid
	Thaumatichthys Smith and Radcliffe, 1912 -- valid
	Thaumatichthys pagidostomus Smith and Radcliffe, 1912 -- valid
	Ventrifossa lucifer (Smith and Radcliffe in Radcliffe, 1912) -- invalid
	Ventrifossa nigromarginata (Smith and Radcliffe in Radcliffe, 1912) -- invalid
	Xenoscarus Evermann and Radcliff, 1917 -- invalid
	Xenoscarus denticulatus Evermann and Radcliff, 1917 -- invalid

Kingdom Fungi
	Collema nigrescens (Huds.) DC. -- accepted
	Gymnosporangium R. Hedw. ex DC. -- accepted
	Lecanora populicola (DC.) Duby -- accepted
	Lithoglypha tesserata (DC.) Nyl. -- accepted
	Lithographa tesserata (DC.) Nyl. -- accepted
	Lobaria scorbiculata (Scop.) DC. -- accepted
	Peltigera spuria (Ach.) DC. -- accepted
	Pertusaria DC. -- accepted
	Physcia tenella (Scop.) DC. -- accepted
	Puccinia asparagi DC. -- accepted -- asparagus rust
	Rhizocarpon Ramond ex DC. -- accepted
	Rhizoplaca melanophthalma (DC.) Leuckert -- accepted
	Sargogyne clavus (DC.) Kremp. -- accepted
	Tephromela armeniaca (DC.) Hertel & Rambold -- accepted
	Tilletia caries (DC.) Tul. & C. Tul. -- accepted
	Umbillicaria leiocarpa DC. -- accepted
	Ustilago maydis (DC.) Corda -- accepted -- corn smut

Kingdom Plantae
	Acacia amentacea DC. -- not accepted
	Acacia binervata DC. -- accepted -- two-vein-hickory
	Acacia hebeclada DC. -- accepted
	Acacia macracanthoides Bertero ex DC. -- not accepted
	Acacia oxycedrus Sieber ex DC. -- accepted
	Acacia paradoxa DC. -- accepted -- acacia-hedge, kangaroo thorn, kangaroo-thorn, kangaroothorn, paradox acacia, prickly acacia
	Acacia penninervis Sieber ex DC. -- accepted -- blackwood, mountain-hickory
	Acacia pyrifolia DC. -- accepted
	Acacia sieberiana DC. -- accepted
	Acacia westiana DC. -- not accepted
	Acanthocereus undulosus (DC.) Croizat -- not accepted
	Acanthospermum hispidum DC. -- accepted -- bristly starbur, hispid starbur, hispid starburr
	Acanthospermum humile (Sw.) DC. -- accepted -- low starbur, low starburr
	Acanthospermum xanthioides DC. -- not accepted -- southern starburr
	Acer negundo var. mexicanum (DC.) Kuntze -- accepted
	Achillea conferta DC. -- accepted
	Achillea dentifera DC. -- not accepted
	Achillea millefolium ssp. occidentalis (DC.) Hyl. -- not accepted
	Achillea millefolium var. gracilis (Raf.) Raf. ex DC. -- not accepted
	Achillea millefolium var. occidentalis DC. -- not accepted -- common yarrow, western yarrow
	Achillea occidentalis (DC.) Raf. ex Rydb. -- not accepted
	Achimenes andrieuxii DC. -- not accepted
	Achimenes antirrhina (DC.) C.V. Morton -- accepted
	Achimenes comifera DC. -- not accepted
	Achimenes erinoides DC. -- not accepted
	Achimenes grandiflora (Schiede) DC. -- accepted
	Achimenes heterophylla (Mart.) DC. -- accepted
	Achimenes hirsuta DC. -- not accepted
	Achimenes longiflora DC. -- accepted
	Achimenes tenella DC. -- not accepted
	Achlys DC. -- accepted -- vanillaleaf
	Achlys triphylla (Sm.) DC. -- accepted -- deer-foot, deervetch vanillaleaf, sweet after death, vanillaleaf
	Achlys triphylla ssp. triphylla (Sm.) DC. -- not accepted -- deer foot, vanillaleaf
	Aconitum delphinifolia DC. -- not accepted
	Aconitum delphiniifolium DC. -- accepted
	Aconitum delphiniifolium DC. -- not accepted -- larkspurleaf monkshood
	Aconitum delphiniifolium ssp. delphiniifolium DC. -- not accepted -- larkspurleaf monkshood
	Aconitum maximum Pall. ex DC. -- accepted -- Kamchatka aconite
	Aconitum maximum ssp. maximum Pall. ex DC. -- accepted -- Kamchatka aconite
	Aconitum uncinatum ssp. muticum (DC.) Hardin -- not accepted -- southern blue monkshood
	Aconitum uncinatum var. muticum DC. -- not accepted
	Acourtia microcephala DC. -- accepted -- sacapellote
	Acroptilon repens (L) DC -- not accepted -- hardheads, Russian knapweed, Turestan thistle
	Actaea cordifolia DC. -- accepted -- Appalachian bugbane
	Actaea podocarpa DC. -- accepted -- mountain bugbane
	Actinea canescens (D.C. Eaton) S.F. Blake -- not accepted
	Actinomeris alternifolia (L) DC -- not accepted
	Actinomeris helianthoides var. elliottii DC. -- not accepted
	Actinomeris helianthoides var. nuttallii DC. -- not accepted
	Actinomeris oppositifolia DC. -- not accepted
	Adenocarpus DC. -- accepted
	Adenocarpus foliolosus (Aiton) DC. -- accepted -- Canary Island flatpod
	Adenophorus abietinus (D.C. Eaton) K.A. Wilson -- accepted -- elegant kihifern
	Adenostemma berterii DC. -- not accepted
	Adenostemma berteroi DC. -- accepted
	Adesmia DC. -- accepted
	Adesmia bicolor (Poir.) DC. -- accepted -- alverjilla, babosita, patope
	Adesmia muricata (Jacq.) DC. -- accepted
	Adlumia Raf. ex DC. -- accepted
	Aegopogon tenellus (DC.) Trin. -- not accepted -- fragile grass, fragilegrass
	Aeschynanthus acuminatus Wall. ex A. DC. -- accepted
	Aeschynanthus bracteatus Wall. ex DC. -- accepted
	Aeschynanthus longiflorus (Blume) A. DC. -- accepted
	Aeschynanthus perrottetii A. DC. -- accepted
	Aeschynanthus perrottetii var. perrottetii A. DC. -- accepted
	Aeschynomene brasiliana (Poir.) DC. -- accepted
	Aeschynomene falcata (Poir.) DC. -- accepted -- Australian joint-vetch
	Aesculus X hybrida DC. (pro. sp.) -- accepted -- hybrid chestnut
	Agarista calliopsidea DC. -- not accepted
	Agdestis Moc. & Sess� ex DC. -- accepted
	Agdestis clematidea Moc. & Sess� ex DC. -- accepted -- rockroot
	Agoseris glauca var. laciniata (D.C. Eaton) Smiley -- not accepted -- Arizona mountain dandelion, false agoseris
	Agropyron junceum var. obtusiflorum (DC.) K. Richt. -- not accepted
	Agropyron obtusiflorum (DC.) Roem. & Schult. -- not accepted
	Agrostis coerulescens (Desf.) Lam. ex DC. -- not accepted
	Agrostis rubicunda Bosc ex DC. -- not accepted
	Albizia lebbekoides (DC.) Benth. -- accepted -- Indian albizia
	Albizia zygia (DC.) J.F. Macbr. -- accepted -- albizia
	Alisma gramineum var. angustissimum (DC.) A.J. Hendricks -- not accepted
	Allamanda blanchetii A. DC. -- accepted -- purple allamanda
	Allophylus timorensis (DC.) Blume -- accepted
	Alloplectus angustifolius DC. -- not accepted
	Alloplectus dichrous (Spreng.) DC. -- not accepted
	Alloplectus glaber DC. -- not accepted
	Alloplectus patrisii DC. -- not accepted
	Alnus viridis (Chaix) DC. -- not accepted
	Alnus viridis (Chaix) DC. -- accepted -- green alder
	Alsobia antirrhina (DC.) Oerst. -- not accepted
	Alsophila balanocarpa (D.C. Eaton) D.S. Conant -- not accepted
	Alsophila minor (D.C. Eaton) R.M. Tryon -- not accepted
	Alternanthera sessilis (L.) R. Br. ex DC. -- accepted -- sessile joyweed
	Alysicarpus glumaceus (Vahl) DC. -- accepted
	Alysicarpus rugosus (Willd.) DC. -- accepted -- red moneywort
	Alysicarpus vaginalis (L.) DC. -- accepted -- white moneywort
	Amberboa moschata (L) DC -- accepted -- sweetsultan
	Amblyolepis DC. -- accepted -- amblyolepis
	Amblyolepis setigera DC. -- accepted -- huisache daisy, huisachedaisy
	Ambrosia aptera DC. -- not accepted
	Ambrosia confertiflora DC. -- accepted -- ragweed, weakleaf bur ragweed, weakleaf burr ragweed
	Ambrosia psilostachya DC. -- accepted -- Cuman ragweed, perennial ragweed, western ragweed
	Ambrosia trifida var. aptera (DC.) Kuntze -- not accepted
	Amelanchier sanguinea (Pursh) DC. -- accepted -- Huron serviceberry, roundleaf juneberry, roundleaf serviceberry, shore shadbush
	Amelanchier sanguinea var. sanguinea (Pursh) DC. -- not accepted -- roundleaf serviceberry
	Amoreuxia Moc. & Sess� ex DC. -- accepted -- throwup weed, yellowshow
	Amoreuxia palmatifida DC. -- accepted -- Mexican yellowshow, throwup weed
	Amphiachyris (A. DC.) Nutt. -- accepted -- amphiachyris, broomweed
	Amphiachyris dracunculoides (DC.) Nutt. -- accepted -- common broomweed, prairie broomweed
	Amphilophis argentea (DC.) Roshev. -- not accepted
	Amsinckia douglasiana A. DC. -- accepted -- Douglas' fiddleneck
	Anacampseros telephiastrum DC. -- accepted
	Anacyclus tomentosus DC. -- not accepted
	Anacylus tomentosus DC. -- not accepted
	Anaphalis DC. -- accepted -- anaphalis, pearly everlasting, pearlyeverlasting
	Anaxagorea acuminata (Dunal) A. DC. -- accepted
	Andira inermis (W. Wright) Kunth ex DC. -- accepted -- cabbagebark tree
	Andromeda polifolia var. glaucophylla (Link) DC. -- not accepted -- bog rosemary
	Andropogon argenteus DC. -- not accepted
	Andropogon citratus DC. ex Nees -- not accepted
	Andropogon laguroides DC. -- not accepted
	Andropogon saccharoides ssp. laguroides (DC.) Hack. -- not accepted
	Andropogon saccharoides subvar. argenteus (DC.) Hack. -- not accepted
	Andropogon saccharoides var. laguroides (DC.) Hack. -- not accepted
	Anemonastrum narcissiflorum ssp. villosissimum (DC.) �. L�ve & D. L�ve -- not accepted
	Anemone acutiloba (DC.) G. Lawson -- accepted -- sharplobe hepatica
	Anemone americana (DC.) H. Hara -- accepted -- roundlobe hepatica
	Anemone hudsoniana (DC.) Richardson -- not accepted
	Anemone minima DC. -- not accepted
	Anemone multifida var. hudsoniana DC. -- not accepted -- Hudson's anemone
	Anemone narcissiflora ssp. villosissima (DC.) Hult�n -- not accepted
	Anemone narcissiflora ssp. villosissima (DC.) Hult�n -- not accepted
	Anemone narcissiflora var. monantha DC. -- accepted -- narcissus anemone
	Anemone narcissiflora var. monantha DC. -- not accepted
	Anemone narcissiflora var. villosissima DC. -- accepted -- narcissus anemone
	Anemone nuttalliana DC. -- not accepted
	Anemone patens var. nuttalliana (DC.) A. Gray -- not accepted
	Anemone quinquefolia var. minima (DC.) Frodin -- accepted -- nightcaps
	Angadenia berteroi (A. DC.) Miers -- accepted -- pineland golden trumpet
	Angadenia sagrae (A. DC.) Miers -- not accepted
	Anigozanthos flavidus DC. -- accepted
	Anneslea haematostoma (Bertero ex DC.) Britton -- not accepted
	Anneslia haematomma (Bertero ex DC.) Britton -- not accepted
	Anoda acerifolia auct. non (Zucc. ex Roem. & Schult.) DC. -- not accepted
	Anogeissus (DC.) Wall. ex Guillem. & Perr. -- accepted
	Anogeissus latifolia (Roxb. ex DC.) Wall. ex Guill. & Perr. -- accepted
	Anogeissus latifolia (Roxb. ex DC.) Wall. ex Bedd. -- not accepted -- gum ghatti
	Antennaria dimorpha var. macrocephala D.C. Eaton -- not accepted
	Antennaria dioica var. rosea (Greene) D.C. Eaton -- not accepted
	Antennaria macrocephala (D.C. Eaton) Rydb. -- not accepted
	Antennaria monocephala DC. -- accepted -- pygmy pussytoes
	Antennaria monocephala (Torr. & A. Gray) Greene non Antennaria monocephala DC. -- not accepted
	Antennaria monocephala ssp. monocephala DC. -- accepted -- pygmy pussytoes
	Anthemis arvensis var. agrestis (Wallr.) DC. -- not accepted -- corn chamomile
	Anthyllis polyphylla (DC.) Kit. ex G. Don -- not accepted
	Anthyllis vulneraria ssp. polyphylla (DC.) Nyman -- not accepted
	Antiphytum DC. ex Meisn. -- accepted -- saucerflower
	Antiphytum cruciatum (Cham.) DC. -- accepted
	Antiphytum heliotropioides A. DC. -- accepted -- Mexican saucerflower
	Antirhea acutata (DC.) Urb. -- not accepted -- placa chiquitu
	Antirrhinum coulterianum Benth. ex A. DC. -- not accepted
	Antirrhinum nuttallianum Benth. ex A. DC. -- not accepted
	Antirrhinum nuttallianum ssp. nuttallianum Benth. ex A. DC. -- not accepted -- snapdragon
	Aphanostephus DC. -- accepted -- doze daisy, dozedaisy
	Aphanostephus ramosissimus DC. -- accepted -- plains dozedaisy
	Aphanostephus ramosissimus var. ramosissimus DC. -- accepted -- plains dozedaisy
	Aphanostephus skirrhobasis (DC.) Trel. -- accepted -- Arkansas dozedaisy
	Aphanostephus skirrhobasis var. skirrhobasis (DC.) Trel. -- accepted -- Arkansas dozedaisy
	Aphragmus Andrz. ex DC. -- accepted
	Aphragmus eschscholtzianus Andrz. ex DC. -- accepted -- Aleutian cress
	Apiastrum patens (Nutt. ex DC.) J.M. Coult. & Rose -- not accepted
	Apium echinatum (Nutt. ex DC.) Benth. & Hook. f. ex S. Watson -- not accepted
	Apium graveolens var. dulce (Mill.) DC. -- accepted -- wild celery
	Apocynum androsaemifolium ssp. androsaemifolium var. incanum A. DC. -- not accepted -- spreading dogbane
	Apocynum androsaemifolium var. incanum A. DC. -- not accepted
	Apocynum cannabinum var. glaberrimum A. DC. -- not accepted
	Apocynum cannabinum var. pubescens (R. Br.) A. DC. -- not accepted
	Aporocactus leptophis (DC.) Britton & Rose -- not accepted
	Aquilaria secundaria Rumph. ex DC. -- not accepted
	Aquilegia formosa Fisch. ex DC. -- accepted -- crimson columbine, western columbine
	Aquilegia formosa var. formosa Fisch. ex DC. -- accepted -- crimson columbine
	Arabidopsis lyrata ssp. kamchatica (Fisch. ex DC.) O'Kane & Al-Shehbaz -- accepted -- Kamchatka rockcress
	Arabis kamchatica (Fisch. ex DC.) Ledeb. -- not accepted -- Kamchatka rockcress
	Arabis lyrata ssp. kamchatica (Fisch. ex DC.) Hult�n -- not accepted
	Arabis lyrata var. glabra (DC.) M. Hopkins -- not accepted
	Arabis lyrata var. kamchatica Fisch. ex DC. -- not accepted -- Kamchatka rockcress
	Arabis lyrifolia DC. -- not accepted
	Arceuthobium oxycedri (DC.) M. Bieb. -- accepted
	Arctostaphylos bracteosa (DC.) Abrams -- not accepted
	Arctostaphylos bracteosa var. hebeclada (DC.) Eastw. -- not accepted
	Arctostaphylos tomentosa ssp. bracteosa (DC.) J.E. Adams -- accepted -- bracteose manzanita, woollyleaf manzanita
	Arctostaphylos tomentosa ssp. hebeclada (DC.) V.T. Parker, M.C. Vasey & J.E. Keeley -- accepted -- woollyleaf manzanita, woollytwig manzanita
	Arctostaphylos tomentosa var. hebeclada (DC.) J.E. Adams -- not accepted
	Arctostaphylos tomentosa var. trichoclada (DC.) Munz -- not accepted
	Ardisia crispa (Thunb.) A. DC. -- accepted
	Ardisia polycephala auct. non Wall. ex A. DC. -- not accepted
	Arenaria stricta var. uliginosa (Schleich. ex Lam. & DC.) B. Boivin -- not accepted
	Arenaria uliginosa Schleich. ex Lam. & DC. -- not accepted
	Arenga saccharifera Labill. ex DC. -- not accepted
	Argyroxiphium DC. -- accepted -- silversword
	Argyroxiphium sandwicense DC. -- accepted -- Hawai'i silversword
	Argyroxiphium sandwicense ssp. sandwicense DC. -- accepted -- `ahinahina, Hawai'i silversword, Mauna Kea silversword
	Arnica longifolia D.C. Eaton -- accepted -- longleaf arnica, spearleaf arnica
	Arrabidaea DC. -- accepted
	Arrabidaea rego (Vell.) DC. -- accepted
	Arracacia esculenta DC. -- not accepted
	Artemisia pycnocephala (Less.) DC. -- accepted -- beach wormwood
	Artemisia spinescens D.C. Eaton -- not accepted -- bud sagebrush
	Asplenium bradleyi D.C. Eaton -- accepted -- Bradley's spleenwort
	Asplenium platyneuron var. proliferum (D.C. Eaton) Tanger -- not accepted -- ebony spleenwort
	Asplenium X biscaynianum (D.C. Eaton) A.A. Eaton (pro sp.) -- accepted -- Biscayne spleenwort
	Aster ascendens var. parryi D.C. Eaton -- not accepted
	Aster caerulescens DC. -- not accepted
	Aster coerulescens DC. -- not accepted
	Aster diplostephioides (DC.) C.B. Clarke -- accepted
	Aster elegans var. engelmannii D.C. Eaton -- not accepted
	Aster engelmannii (D.C. Eaton) A. Gray -- not accepted
	Aster foliaceus auct. non Lindl. ex DC. -- not accepted -- alpine leafybract aster
	Aster foliaceus Lindl. ex DC. -- not accepted
	Aster foliaceus var. foliaceus Lindl. ex DC. -- not accepted -- alpine leafybract aster
	Aster foliaceus var. parryi (D.C. Eaton) A. Gray -- not accepted -- Parry's aster
	Aster foliaceus var. sublinearis D.C. Eaton & Grisc. -- not accepted
	Aster gymnocephalus auct. non (DC.) A. Gray -- not accepted
	Aster hirsuticaulis Lindl. ex DC. -- not accepted
	Aster kingii D.C. Eaton -- not accepted
	Aster kingii var. kingii D.C. Eat. -- not accepted -- King's aster
	Aster lateriflorus var. hirsuticaulis (Lindl. ex DC.) Porter -- not accepted -- calico aster
	Aster lutescens (Lindl. ex DC.) Torr. & A. Gray -- not accepted
	Aster patens var. patentissimus (Lindl. ex DC.) Torr. & A. Gray -- not accepted -- late purple aster
	Aster patentissimus Lindl. ex DC. -- not accepted
	Aster praealtus var. caerulescens (DC.) A.G. Jones -- not accepted
	Aster praealtus var. coerulescens (DC.) A.G. Jones -- not accepted -- willowleaf aster
	Aster ptarmicoides var. lutescens (Lindl. ex DC.) A. Gray -- not accepted
	Aster pyrenaeus Desf. ex DC. -- accepted
	Aster retroflexus Lindl. ex DC. -- not accepted -- rigid aster
	Aster sericeus var. microphyllus DC. -- not accepted -- western silver aster
	Aster subulatus var. cubensis (DC.) Shinners -- not accepted -- annual saltmarsh aster
	Aster urophyllus Lindl. ex DC. -- not accepted -- white arrow aster
	Astragalus alpinus var. labradoricus (DC.) Fernald -- not accepted
	Astragalus astragalinus (DC.) E. Sheld. -- not accepted
	Astragalus danicus var. dasyglottis (Fisch. ex DC.) B. Boivin -- not accepted
	Astragalus dasyglottis Fisch. ex DC. -- not accepted
	Astragalus fraxinifolius DC. -- accepted
	Astragalus glycyphylloides DC. -- accepted
	Astragalus inflatus DC. -- accepted
	Astragalus mexicanus A. DC. -- not accepted
	Astragalus nuttallianus DC. -- accepted -- Nuttall milkvetch, smallflowered milkvetch
	Astragalus nuttallianus var. nuttallianus DC. -- accepted -- smallflowered milkvetch
	Astragalus semibilocularis DC. -- not accepted
	Astragalus sericea auct. non DC., non Lam. -- not accepted
	Astragalus stevenianus DC. -- accepted
	Astripomoea grantii (Rendle) Verdc. -- accepted
	Astripomoea hyoscyamoides (Vatke) Verdc. -- accepted
	Astrophytum ornatum (DC.) Britton & Rose -- accepted
	Atriplex prostrata Boucher ex DC. -- accepted -- hastate orache, triangle orache
	Aubrieta deltoidea (L.) DC. -- accepted -- lilacbush
	Babactes oblongifolia (Roxb.) DC. -- not accepted
	Baccharis douglasii DC. -- accepted -- saltmarsh baccharis
	Baccharis halimifolia var. angustior DC. -- not accepted
	Baccharis pilularis DC. -- accepted -- coyotebrush
	Baccharis pilularis ssp. consanguinea (DC.) C.B. Wolf -- accepted
	Baccharis pilularis ssp. pilularis DC. -- accepted -- coyotebrush
	Baccharis pilularis var. consanguinea (DC.) Kuntze -- not accepted
	Baccharis pilularis var. pilularis DC. -- not accepted
	Baccharis pteronioides DC. -- accepted -- yerba de pasmo, yerba-de-pasmo
	Baccharis speciosa D.C. -- not accepted
	Baccharis viminea DC. -- not accepted
	Badiera DC. -- accepted
	Badiera penaea (L.) DC. -- accepted
	Baeria chrysostoma ssp. gracilis (DC.) Ferris -- not accepted
	Baeria chrysostoma var. gracilis (DC.) H.M. Hall -- not accepted
	Baeria microglossa (DC.) Greene -- not accepted
	Baeria minor (DC.) Ferris -- not accepted
	Banisteria floribunda DC. -- not accepted
	Barbieria DC. -- accepted
	Bauhinia multinervia (Kunth) DC. -- accepted -- petite flamboyant bauhinia
	Begonia convolvulacea (Klotzsch) A. DC. -- accepted -- morning-glory begonia
	Begonia cucullata var. hookeri (A. DC.) L.B. Sm. & B.G. Schub. -- not accepted
	Begonia decandra Pav. ex A. DC. -- accepted -- native begonia
	Belamcanda chinensis (L.) DC. -- not accepted -- blackberry lily
	Berberis thunbergii DC. -- accepted -- Japanese barberry
	Berchemia Neck. ex DC. -- accepted -- supplejack
	Berlandiera DC. -- accepted -- berlandiera, greeneyes
	Berlandiera texana DC. -- accepted -- Texas greeneyes
	Berteroa DC. -- accepted -- false madwort
	Berteroa incana (L.) DC. -- accepted -- hoary alyssum, hoary false alyssum, hoary false madwort
	Berteroa mutabilis (Vent.) DC. -- accepted -- roadside false madwort
	Berteroa obliqua (Sm.) DC. -- accepted
	Berula thunbergii (DC.) H. Wolff -- not accepted
	Besleria berteriana DC. -- not accepted
	Besleria cristata Sess� & Moc. ex DC. -- not accepted
	Besleria guadalupensis DC. -- not accepted
	Besleria patrisii DC. -- accepted
	Bidens alba (L) DC -- not accepted
	Bidens alba (L) DC -- not accepted
	Bidens bigelovii var. angustiloba (DC.) Ballard ex T.E. Melchert -- not accepted
	Bidens cernua var. radiata DC. -- not accepted
	Bidens ferulifolia (Jacq.) DC. -- not accepted -- Apache beggarticks
	Bigelowia DC. -- accepted -- rayless goldenrod
	Bigelowia nudata (Michx.) DC. -- accepted -- pineland rayless goldenrod
	Bigelowia nudata ssp. nudata (Michx.) DC. -- not accepted -- pineland rayless goldenrod
	Bigelowia nudata var. nudata (Michx.) DC. -- accepted -- pineland rayless goldenrod
	Bigelowia virgata (Nutt.) DC. -- not accepted
	Biophytum DC. -- accepted
	Biophytum dendroides (Kunth) DC. -- accepted
	Bletia purpurea (Lam.) DC. -- accepted -- Bletia com�n, pinepink
	Blumea DC. -- accepted -- false oxtongue
	Blumea balsamifera (L) DC -- accepted -- nagi camphor, ngai camphor
	Blumea lacera (Burm. f.) DC. -- accepted -- blumea
	Blumea laciniata (Roxb.) DC. -- accepted -- cutleaf false oxtongue
	Bombax malabaricum DC. -- not accepted
	Bombycilaena DC. -- accepted
	Bonellia umbellata (A. DC.) B. St�hl & K�llersj� -- accepted
	Borreria alata (Aubl.) DC. -- not accepted
	Borreria densiflora DC. -- not accepted
	Borreria ocymoides auct. non (Burm. f.) DC. -- not accepted
	Borreria repens auct. non DC. -- not accepted
	Borrichia arborescens (L) DC -- accepted -- tree seaside tansy
	Borrichia frutescens (L) DC -- accepted -- bushy seaoxeye, bushy seaside tansy
	Bothriochloa laguroides (DC.) Herter -- accepted -- silver beardgrass
	Bothriochloa laguroides (DC.) Pilg. -- not accepted
	Bothriochloa laguroides ssp. laguroides (DC.) Herter -- not accepted -- silver beardgrass
	Bothriochloa laguroides var. laguroides (DC.) Herter -- accepted
	Bothriochloa saccharoides var. laguroides (DC.) Beetle -- not accepted
	Botrychium multifidum var. intermedium (D.C. Eaton) Farw. -- not accepted
	Bouchetia DC. ex Dunal -- accepted
	Bouchetia erecta DC. ex Dunal -- not accepted -- paintedtongue
	Bourreria domingensis (DC.) Griseb. -- accepted
	Bourreria domingensis auct. non (DC.) Griseb. -- not accepted
	Brachyris dracunculoides DC. -- not accepted
	Brachyris microcephala DC. -- not accepted
	Brachythecium washingtonianum D.C. Eat. in Grout -- not accepted
	Bracyrhamphus intybaceus (Jacq.) DC. -- not accepted
	Brassica campestris var. oleifera DC. -- not accepted
	Brassica caulorapa (DC.) Pasq. -- not accepted
	Brassica kaber (DC.) L.C. Wheeler -- not accepted -- canola, charlock mustard, kaber mustard, rapeseed, wild mustard
	Brassica napus var. pabularia (DC.) Rchb. -- not accepted -- Siberian kale
	Brassica oleracea var. acephala DC. -- not accepted -- cabbage
	Brassica oleracea var. caulorapa DC. -- not accepted
	Brassica oleracea var. costata DC. -- not accepted -- tronchuda cabbage
	Brassica oleracea var. gemmifera DC. -- not accepted -- brussels sprouts
	Brassica rapa ssp. olifera DC. -- not accepted
	Brassica rapa var. oleifera DC. -- not accepted
	Brauneria angustifolia (DC.) A. Heller -- not accepted
	Brickellia dentata (DC.) Sch. Bip. -- accepted -- leafy brickellbush, leafy brickellia
	Brickellia linifolia D.C. Eaton -- not accepted
	Brickellia oblongifolia var. linifolia (D.C. Eaton) B.L. Rob. -- accepted -- narrow leaf brickellbush, narrowleaf brickellbush
	Bromus grossus Desf. ex DC. -- accepted -- whiskered brome
	Bromus secalinus ssp. grossus (Desf. ex DC.) Domin -- not accepted
	Bromus secalinus var. grossus (Desf. ex DC.) Neilr. -- not accepted
	Bruchia longicollis D.C. Eat. -- not accepted
	Brya ebenus (L.) DC. -- accepted -- ebony coccuswood
	Brysonima coriacea (Sw.) DC. -- not accepted
	Bulliarda aquatica (L.) DC. -- not accepted
	Bumelia obovata (Lam.) A. DC. -- not accepted
	Bunchosia glandulosa (Cav.) DC. -- accepted -- cafe forastero
	Bunchosia nitida auct. non (Jacq.) DC. -- not accepted -- woodland coffee
	Bunchosia polystachia (Andrews) DC. -- accepted -- woodland coffee
	Buxbaumia viridis (DC.) Moug. & Nestl. -- accepted -- buxbaumia moss
	Byrsonima coriacea (Sw.) DC. -- not accepted
	Byrsonima lucida (Mill.) DC. -- accepted -- Key byrsonima, Long Key locustberry, Maricao cimarron
	Byrsonima spicata (Cav.) DC. -- accepted -- doncella, Maricao cimarron
	Cacalia auriculata DC. -- not accepted -- cacalia
	Cactus phyllanthoides DC. -- not accepted
	Calamagrostis acutiflora (Schrad.) DC. -- not accepted
	Calamagrostis sylvatica (Schrad.) DC. -- not accepted
	Calamagrostis X acutiflora (Schrad.) DC. -- accepted
	Calandrinia ciliata (Ruiz & Pav.) DC. -- accepted -- desert rockpurslane, fringed redmaids, redmaids
	Callaeum macropterum (DC.) D.M. Johnson -- accepted -- aparigua, gallinita, guirote, hillyhock
	Calliandra haematomma (Bertero ex DC.) Benth. -- accepted -- red powderpuff
	Calliandra haematomma var. haematomma (Bertero ex DC.) Benth. -- accepted -- red powderpuff
	Callistemon lanceolatus (Sw.) DC. -- not accepted
	Callistemon pallidus (Bonpl.) DC. -- accepted -- lemon bottlebrush
	Callistemon rugulosus (D.F.K. Schltdl. ex Link) DC. -- accepted -- scarlet bottlebrush
	Callistemon sieberi DC. -- accepted -- river bottlebrush
	Callistopteris baldwinii (D.C. Eaton) Copel. -- accepted
	Calophaca Fisch. ex DC. -- accepted
	Calophaca wolgarica (L. f.) Fisch. ex DC. -- accepted
	Calosacme oblongifolia (Roxb.) DC. -- not accepted
	Caltha asarifolia DC. -- not accepted
	Caltha biflora DC. -- not accepted
	Caltha leptosepala DC. -- accepted -- elkslip marshmarigold, slendersepal marshmarigold, white marsh marigold, white marsh-marigold, white marshmarigold
	Caltha leptosepala ssp. biflora (DC.) P.G. Smit -- not accepted
	Caltha leptosepala ssp. leptosepala DC. -- not accepted -- white marsh marigold, white marsh-marigold, white marshmarigold
	Caltha leptosepala ssp. leptosepala var. leptosepala DC. -- not accepted -- white marsh marigold, white marshmarigold
	Caltha leptosepala var. biflora (DC.) G. Lawson -- not accepted
	Caltha leptosepala var. leptosepala DC. -- not accepted -- white marsh marigold
	Caltha natans var. asarifolia (DC.) Huth -- not accepted
	Caltha palustris ssp. asarifolia (DC.) Hult�n -- not accepted
	Caltha palustris var. asarifolia (DC.) Huth -- not accepted
	Calycadenia DC. -- accepted -- western rosinweed
	Calycadenia multiglandulosa DC. -- accepted -- sticky western rosinweed
	Calycadenia multiglandulosa DC. -- not accepted
	Calycadenia multiglandulosa ssp. cephalotes (DC.) D.D. Keck -- not accepted
	Calycadenia truncata DC. -- accepted -- Oregon western rosinweed
	Calycadenia truncata ssp. truncata DC. -- accepted -- Oregon western rosinweed
	Calycadenia villosa DC. -- accepted -- dwarf western rosinweed
	Calycogonium DC. -- accepted -- angleflower
	Calycophyllum DC. -- accepted
	Calycophyllum candidissimum (Vahl) DC. -- accepted -- degame
	Camelina microcarpa DC. -- accepted -- little-pod false flax, littlepod false flax, littlepod falseflax, littleseed falseflax, small fruited falseflax, smallseed falseflax
	Camelina sativa ssp. microcarpa (Andrz. ex DC.) E. Schmid -- not accepted
	Campanula aucheri A. DC. -- not accepted
	Campanula bellidifolia ssp. aucheri (A. DC.) Victorov -- accepted
	Campanula dubia A. DC. -- not accepted
	Campanula petiolata A. DC. -- accepted
	Campanula rotundifolia var. petiolata (A. DC.) J.K. Henry -- not accepted
	Campanula rotundifolia var. velutina A. DC. -- not accepted
	Campanula saxifraga ssp. aucheri (A. DC.) Ogan. -- not accepted
	Campanula scouleri Hook. ex A. DC. -- accepted -- pale bellflower
	Cananga (DC.) Hook. f. & Thomson -- accepted -- ilang-ilang
	Canavaia ensiformis (L.) DC. -- not accepted
	Canavaia gladiata (Jacq.) DC. -- not accepted
	Canavaia lineata auct. non (Thunb.) DC. -- not accepted
	Canavalia DC. -- accepted -- jackbean
	Canavalia ensiformis (L.) DC. -- accepted -- wonder-bean, wonderbean
	Canavalia gladiata (Jacq.) DC. -- accepted -- sword jackbean
	Canavalia lineata auct. non (Thunb.) DC. -- not accepted
	Canavalia rosea (Sw.) DC. -- accepted -- baybean
	Capparis sandwichiana DC. -- accepted -- native caper, pus pilo
	Caragana grandiflora DC. -- accepted
	Caragana pygmaea (L.) DC. -- accepted
	Cardamine barbareifolia DC. -- not accepted
	Cardamine menziesii DC. -- not accepted
	Cardamine minuta Willd. ex DC. -- not accepted
	Cardamine rhomboidea (Pers.) DC. -- not accepted
	Cardaminopsis kamchatica (Fisch. ex DC.) O.E. Schulz -- not accepted
	Cardionema DC. -- accepted
	Carduus nuttallii (DC.) Pollard -- not accepted
	Carex hostiana DC. -- accepted -- carex de Host, host sedge
	Carica pubescens (A. DC.) Solms -- not accepted -- mountain papaya
	Carissa grandiflora (E. Mey.) A. DC. -- not accepted
	Carissa macrocarpa (Eckl.) A. DC. -- accepted -- amatungulu
	Carminatia Moc. ex DC. -- accepted -- carminatia
	Carminatia tenuiflora DC. -- accepted -- plumeweed
	Carnegiea polylopha (DC.) D.R. Hunt -- not accepted
	Carrichtera DC. -- accepted
	Carrichtera annua (L.) DC. -- accepted
	Cassia aeschinomene DC. ex Collad. -- not accepted
	Cassia artemisioides Gaudich. ex DC. -- not accepted
	Cassia calycioides DC. ex Collad. -- not accepted
	Cassia leschenaultiana DC. -- not accepted
	Cassia leschenaultiana var. aeschinomene (DC. ex Collad.) Benth. -- not accepted
	Cassia patellaria DC. ex Collad. -- not accepted
	Cassia roxburghii DC. -- accepted -- Roxburgh's cassia
	Cassia spectabilis DC. -- not accepted
	Cassia sulfurea DC. ex Collad. -- not accepted
	Cassiope stelleriana (Pall.) DC. -- not accepted
	Castalia pulchella (DC.) Britton -- not accepted
	Castalia reniformis DC. -- not accepted
	Castanopsis chrysophylla (Douglas ex Hook.) A. DC. -- not accepted -- giant chinkapin
	Castanopsis chrysophylla var. minor (Benth.) A. DC. -- not accepted
	Cedrela lilloi C. DC. -- accepted
	Cedrela toona var. australis (Kuntze) C. DC. -- not accepted
	Ceiba caribaea (DC.) A. Chev. -- not accepted
	Centaurea besseriana DC. -- not accepted
	Centaurea biebersteinii DC. -- not accepted -- spotted knapweed
	Centaurea nigra var. radiata DC. -- not accepted
	Centaurea ovina ssp. besseriana (DC.) Dost�l -- accepted -- lilac knapweed
	Centaurea transalpina auct. non Schleich. ex DC. -- not accepted -- alpine knapweed
	Centaurea X pouzinii DC. -- accepted
	Centranthus Neck. ex Lam. & DC. -- accepted
	Centranthus ruber (L.) DC. -- accepted -- red valerian
	Centrosema (DC.) Benth. -- accepted -- butterfly pea
	Centrosema virginianum var. ellipticum (DC.) Fernald -- not accepted
	Cephalocereus monoclonos (DC.) Britton & Rose -- not accepted
	Cephalocereus polylophus (DC.) Britton & Rose -- not accepted
	Cerastium biebersteinii DC. -- accepted -- boreal chickweed, snow-in-summer
	Ceratocephala orthoceras DC. -- not accepted
	Cereus extensus Salm-Dyck ex DC. -- not accepted
	Cereus jamacaru DC. -- accepted
	Cereus jamacaru ssp. jamacaru DC. -- accepted
	Cereus pentalophus var. radicans DC. -- not accepted
	Cereus pentalophus var. simplex DC. -- not accepted
	Cereus spinulosus DC. -- not accepted
	Cereus strictus DC. -- not accepted
	Cereus undulosus DC. -- not accepted
	Ceroxylon Bonpl. ex DC. -- accepted -- ceroxylon palm
	Ceroxylon alpinum Bonpl. ex DC. -- accepted -- wax palm
	Chaenactis DC. -- accepted -- chaenactis, pincushion
	Chaenactis glabriuscula DC. -- accepted -- yellow pincushion
	Chaenactis glabriuscula var. glabriuscula DC. -- accepted -- yellow pincushion
	Chaenactis glabriuscula var. lanosa (DC.) H.M. Hall -- accepted -- yellow pincushion
	Chaenactis lanosa DC. -- not accepted
	Chaenactis macrantha D.C. Eaton -- accepted -- bighead dustymaiden, bighead pincushion, large-flower pincushion
	Chaenarrhinum (DC.) Rchb. -- not accepted
	Chaenorhinum (DC.) Rchb. -- accepted -- dwarf snapdragon
	Chaenorrhinum (DC.) Rchb. -- not accepted
	Chaetopappa DC. -- accepted -- least daisy, leastdaisy
	Chaetopappa asteroides Nutt. ex DC. -- accepted -- Arkansas leastdaisy, least daisy
	Chaetopappa asteroides var. asteroides Nutt. ex DC. -- accepted -- Arkansas leastdaisy
	Chamaecrista aeschinomene (DC. ex Collad.) Greene -- not accepted
	Chamaecrista calycioides (DC. ex Collad.) Greene -- accepted -- woodland sensitive pea
	Chamaecrista nictitans ssp. nictitans var. diffusa (DC.) H.S. Irwin & Barneby -- not accepted -- partridge pea
	Chamaecrista nictitans ssp. patellaria (DC. ex Collad.) H.S. Irwin & Barneby -- accepted -- partridge pea, sensitive partridge pea, sensitive plant
	Chamaecrista nictitans ssp. patellaria var. patellaria (DC. ex Collad.) Kartesz & Gandhi -- not accepted -- partridge pea
	Chamaecrista nictitans var. diffusa (DC.) H.S. Irwin & Barneby -- accepted -- partridge pea, sensitive partridge pea, sensitive plant
	Chamaecrista nictitans var. patellaria (DC. ex Collad.) Kartesz & Gandhi -- accepted -- partridge pea, sensitive partridge pea, sensitive plant
	Chamaecrista patellaria (DC. ex Collad.) Greene -- not accepted
	Chamaesenna (DC.) Raf. ex Pittier -- not accepted
	Chamaesyce alsiniflora (Baill.) D.C. Hassall -- not accepted
	Chamaesyce australis (Boiss.) D.C. Hassall -- not accepted
	Chamaesyce biconvexa (Domin) D.C. Hassall -- not accepted
	Chamaesyce canescens ssp. massiliensis (DC.) Soj�k -- not accepted
	Chamaesyce carissoides (F.M. Bailey) D.C. Hassall ex P.I. Forst. & R.J.F. Hend. -- not accepted
	Chamaesyce coghlanii (F.M. Bailey) D.C. Hassall ex P.I. Forst. & R.J.F. Hend. -- not accepted
	Chamaesyce dallachyana (Baill.) D.C. Hassall -- not accepted
	Chamaesyce filipes (Benth.) D.C. Hassall -- not accepted
	Chamaesyce inappendiculata (Domin) D.C. Hassall -- not accepted
	Chamaesyce macgillivrayi (Boiss.) D.C. Hassall -- not accepted
	Chamaesyce massiliensis (DC.) Galushko -- not accepted
	Chamaesyce micradenia (Boiss.) D.C. Hassall -- not accepted
	Chamaesyce mitchelliana (Boiss.) D.C. Hassall -- not accepted
	Chamaesyce mitchelliana var. hirta (Boiss.) D.C. Hassall -- not accepted
	Chamaesyce myrtoides (Boiss.) D.C. Hassall -- not accepted
	Chamaesyce reconciliationis (Radcl.-Sm.) Soj�k -- not accepted
	Chamaesyce schultzii (Benth.) D.C. Hassall -- not accepted
	Chamaesyce viridula (Cordem. ex Radcl.-Sm.) Soj�k -- not accepted
	Chamaesyce vulgaris ssp. massiliensis (DC.) Bened� & Orell -- not accepted
	Chamaesyce wheeleri (Baill.) D.C. Hassall -- not accepted
	Cheilanthes clevelandii D.C. Eaton -- accepted -- Cleveland's lipfern
	Cheilanthes cooperae D.C. Eaton -- accepted -- Cooper's lipfern
	Cheilanthes gracillima D.C. Eaton -- accepted -- lace lipfern
	Cheilanthes lanosa (Michx.) D.C. Eaton -- accepted -- hairy lipfern
	Cheilanthes lemmonii (D.C. Eaton) Domin -- not accepted
	Cheilanthes newberryi (D.C. Eaton) Domin -- accepted -- Newberry's lipfern
	Cheilanthes parryi (D.C. Eaton) Domin -- accepted -- Parry's lip fern, Parry's lipfern
	Chione DC. -- accepted
	Chione DC. -- not accepted
	Chirita acuminata A. DC. -- not accepted
	Chirita edgeworthii DC. -- not accepted
	Chiropetalum astroplethos (J.W. Ingram) Radcl.-Sm. & Govaerts -- accepted -- Mexican silverbush
	Chloris compressa DC. -- not accepted
	Chlorogalum pomeridianum (DC.) Kunth -- accepted -- wavyleaf soap plant
	Chlorogalum pomeridianum var. pomeridianum (DC.) Kunth -- accepted -- wavyleaf soap plant
	Chorispora R. Br. ex DC. -- accepted
	Chorispora tenella (Pall.) DC. -- accepted -- beanpodded mustard, blue mustard, bluemustard, common blue mustard, crossflower, purple mustard, tenella mustard
	Christella boydiae (D.C. Eaton) Holttum -- not accepted
	Chromolaena DC. -- accepted -- thoroughwort
	Chromolaena macrodon (DC.) Nicolson -- accepted
	Chrysobalanus icaco var. pellocarpus (G. Mey.) DC. -- not accepted
	Chrysophyllum africanum A. DC. -- accepted
	Chrysopsis canescens (DC.) Torr. & A. Gray non DC. -- not accepted
	Chrysopsis hispida (Hook.) DC. -- not accepted
	Chrysopsis villosa (Pursh) Nutt. ex DC. -- not accepted
	Chrysopsis villosa var. canescens (DC.) A. Gray -- not accepted
	Chrysopsis villosa var. foliosa (Nutt.) D.C. Eaton -- not accepted
	Chrysosplenium alternifolium var. sibiricum Ser. ex DC. -- not accepted -- Iowa golden saxifrage
	Chrysothamnus viscidiflorus ssp. latifolius (D.C. Eaton) H.M. Hall & Clem. -- not accepted
	Chrysothamnus viscidiflorus ssp. puberulus (D.C. Eaton) H.M. Hall & Clem. -- accepted -- downy rabbitbrush, hairy low rabbitbrush, yellow rabbitbrush
	Chrysothamnus viscidiflorus ssp. viscidiflorus var. latifolius (D.C. Eaton) Greene -- not accepted
	Chrysothamnus viscidiflorus var. latifolius (D.C. Eat.) Greene -- not accepted -- yellow rabbitbrush
	Chrysothamnus viscidiflorus var. latifolius (D.C. Eat.) Greene -- not accepted
	Chrysothamnus viscidiflorus var. puberulus (D.C. Eaton) Jeps. -- not accepted
	Cicuta douglasii (DC.) J.M. Coult. & Rose -- accepted -- Douglas' waterhemlock, water hemlock, western water hemlock
	Cimicifuga cordifolia (DC.) Torr. & A. Gray -- not accepted
	Cimicifuga racemosa var. cordifolia (DC.) A. Gray -- not accepted
	Cimicifuga simplex (DC.) Wormsk. ex Turcz. -- accepted
	Cineraria saxifraga DC. -- accepted -- wild cineraria
	Cirsium bigelovii DC. -- not accepted
	Cirsium douglasii DC. -- accepted -- Douglas' thistle
	Cirsium douglasii var. douglasii DC. -- accepted -- Douglas' thistle
	Cirsium eriocephalum var. leiocephalum D.C. Eaton -- not accepted
	Cirsium foliosum (Hook.) DC. -- accepted -- Drummond's thistle, elk thistle, leafy thistle, meadow thistle
	Cirsium japonicum Fisch. ex DC. -- accepted -- Japanese thistle
	Cirsium kamtschaticum Ledeb. ex DC. -- accepted -- Kamchatka thistle
	Cirsium lanceolatum var. hypoleucum DC. -- not accepted
	Cirsium mexicanum DC. -- accepted -- Mexican thistle
	Cirsium nuttallii DC. -- accepted -- Nuttall's thistle
	Cirsium remotifolium (Hook.) DC. -- accepted -- fewleaf thistle
	Cirsium remotifolium ssp. remotifolium (Hook.) DC. -- not accepted -- fewleaf thistle
	Cirsium remotifolium var. remotifolium (Hook.) DC. -- accepted -- fewleaf thistle, remote-leaved thistle
	Citrus hystrix DC. -- accepted
	Claytonia media (DC.) Link -- not accepted
	Claytonia parvifolia Moc. ex DC. -- not accepted
	Claytonia virginica var. acutiflora DC. -- not accepted -- Virginia springbeauty
	Clematis apiifolia DC. -- accepted
	Clematis caracasana DC. -- not accepted
	Clematis heracleifolia DC. -- accepted -- hyacinth-flower clematis
	Clematis microphylla DC. -- accepted -- headachevine, small-leaf clematis
	Clematis montana Buch.-Ham. ex DC. -- accepted
	Clematis occidentalis (Hornem.) DC. -- accepted -- western blue virginsbower
	Clematis occidentalis var. occidentalis (Hornem.) DC. -- accepted -- western blue virginsbower
	Clematis terniflora DC. -- accepted -- leatherleaf clematis, sweet autumn virginsbower, yam-leaved clematis
	Clematis terniflora var. terniflora DC. -- not accepted -- sweet autumn virginsbower
	Clematis verticillaris DC. -- not accepted
	Cleome diffusa Banks ex DC. -- not accepted -- spreading spiderflower
	Cleome iberica DC. -- not accepted -- Iberian spiderflower
	Cleome multicaulis DC. -- not accepted -- slender spiderflower
	Cleome rutidosperma DC. -- accepted -- consumption weed, fringed spiderflower
	Cleomella DC. -- accepted -- stinkweed
	Cleomella mexicana DC. -- accepted
	Clibadium badieri (DC.) Griseb. -- not accepted
	Clibadium erosum (Sw.) DC. -- accepted -- jackass breadnut
	Clibadium terebinthinaceum var. badieri DC. -- not accepted
	Clibadium vargasii DC. -- not accepted
	Clidemia domingensis (DC.) Cogn. -- accepted -- woodland hogwood
	Clidemia lanata DC. -- not accepted
	Clidemia strigillosa (Sw.) DC. -- accepted -- thicket hogwood
	Cocculus DC. -- accepted -- coralbead
	Cocculus carolinus (L.) DC. -- accepted -- Carolina coralbead, Carolina snailseed, redberry moonseed
	Cocculus diversifolius DC. -- accepted -- snailseed
	Cocculus laurifolius DC. -- accepted -- laurel-leaf snailseed
	Cocculus orbiculatus (L.) DC. -- accepted -- queen coralbead
	Cocculus trilobus (Thunb.) DC. -- not accepted
	Cochlearia officinalis ssp. oblongifolia (DC.) Hult�n -- not accepted
	Cochlearia tridactylites Banks ex DC. -- accepted -- cochlearia
	Cochleariopsis groenlandica ssp. oblongifolia (DC.) �. L�ve & D. L�ve -- not accepted
	Cochlospermum gossypium (L.) DC. -- not accepted
	Coelopleurum gmelinii (DC.) Ledeb. -- not accepted
	Coelopleurum lucidum ssp. gmelinii (DC.) �. L�ve & D. L�ve -- not accepted
	Coldenia canescens DC. -- not accepted
	Columnea angustifolia (DC.) Kuntze -- not accepted
	Columnea anisophylla DC. -- accepted
	Columnea longipes (DC.) Kuntze -- not accepted
	Columnea patrisii (DC.) Kuntze -- not accepted
	Columnea scabrosa Sol. ex DC. -- not accepted
	Comandra pallida A. DC. -- not accepted
	Comandra umbellata ssp. pallida (A. DC.) Piehl -- accepted -- bastard toadflax, common toadflax, pale bastard toadflax, pine bastard toadflax
	Comandra umbellata var. angustifolia (A. DC.) Torr. -- not accepted
	Comandra umbellata var. pallida (A. DC.) M.E. Jones -- not accepted
	Comaropsis pedata (Sm.) DC. -- not accepted
	Conimitella williamsii (D.C. Eaton) Rydb. -- accepted -- Williams' miterwort
	Connarus semidecandrus var. gaudichaudii (DC.) Fosberg -- accepted
	Conocarpus erectus var. sericeus E. Forst. ex DC. -- not accepted
	Conoclinium DC. -- accepted -- thoroughwort
	Conoclinium coelestinum (L) DC -- accepted -- blue mistflower
	Conoclinium colelestinum (L) DC -- not accepted
	Conradia cuneifolia DC. -- not accepted
	Conradia pedunculosa DC. -- not accepted
	Conradia sloanei DC. -- not accepted
	Conradia ventricosa var. angustior DC. -- not accepted
	Consolea rubescens (Salm-Dyck ex DC.) Lem. -- accepted
	Consolida pubescens (DC.) So� -- accepted -- hairy knight's-spur
	Conyza filaginoides (DC.) Hieron. -- not accepted
	Cordia boissieri A. DC. -- accepted -- anacahuita, anacahuite
	Cordia parvifolia A. DC. -- accepted -- small-leaf geigertree, smallleaf cordia
	Cordia schomburgkii DC. -- accepted
	Cordia sulcata DC. -- accepted -- mucilage manjack
	Coreopsis calliopsidea (DC.) A. Gray -- accepted -- leafstem tickseed
	Coreopsis cardaminefolia (DC.) Torr. & A. Gray -- not accepted
	Coreopsis douglasii (DC.) H.M. Hall -- accepted -- Douglas' tickseed
	Corethrogyne DC. -- accepted -- sandaster
	Corethrogyne californica DC. -- not accepted -- California sandaster
	Corethrogyne californica var. californica DC. -- not accepted -- California sandaster
	Corethrogyne filaginifolia var. californica (DC.) J.P. Saroyan -- not accepted
	Corydalis DC. -- accepted -- fumewort
	Corydalis bulbosa (L.) DC. -- not accepted
	Corydalis flavula (Raf.) DC. -- accepted -- pale corydalis, yellow fumewort
	Corydalis lutea (L.) DC. -- accepted -- rock fumewort
	Corylus californica (A. DC.) Rose -- not accepted
	Corylus cornuta ssp. californica (A. DC.) A.E. Murray -- accepted -- California hazelnut
	Corylus cornuta var. californica (A. DC.) Sharp -- not accepted -- California hazel, California hazelnut
	Corynella DC. -- accepted
	Corynella paucifolia DC. -- not accepted -- retama
	Coryphantha cornifera (DC.) Lem. -- accepted -- Biznaga-partida de cuernos, rhinoceros cactus
	Coryphantha octacantha (DC.) Britton & Rose -- accepted
	Coryphantha radians (DC.) Britton & Rose -- not accepted
	Corytholoma polyanthum (DC.) Fritsch -- not accepted
	Cotula mexicana (DC.) Cabrera -- accepted -- Mexican brassbuttons
	Cotyledon orbiculata var. oblongata (Haw.) DC. -- accepted -- pig's ear
	Coursetia DC. -- accepted -- babybonnets
	Covillea tridentata (DC.) Vail -- not accepted
	Cracca candida (DC.) Kuntze -- not accepted
	Crantzia patrisii (DC.) Fritsch -- not accepted
	Crataegus laevigata (Poir.) DC. -- accepted -- English hawthorn, smooth hawthorn, whitethorn, woodland hawthorn
	Crataegus mexicana DC. -- accepted -- manzanita tejocotera, Mexican hawthorn, tejocote
	Crepis vesicaria ssp. haenseleri (Boiss. ex DC.) P.D. Sell -- not accepted
	Critonia macropoda DC. -- accepted
	Crotalaria berteriana DC. -- not accepted -- Berteron's rattlebox
	Crotalaria berteroana DC. -- accepted -- Berteron's rattlebox
	Crotalaria breviflora DC. -- accepted -- shortflower rattlebox
	Crotalaria falcata Vahl ex DC. -- accepted
	Crotalaria hebecarpa (DC.) Rudd -- accepted
	Crotalaria novae-hollandiae DC. -- accepted -- New Holland rattlepod
	Crotalaria purshii DC. -- accepted -- Pursh's rattlebox
	Crotalaria senegalensis (Pers.) Bacle ex DC. -- accepted
	Crotalaria sphaerocarpa Perr. ex DC. -- accepted
	Crotalaria stipularia var. serpyllifolia DC. -- not accepted
	Crotalaria striata DC. -- not accepted
	Croton aceroides Radcl.-Sm. -- accepted
	Croton agrestis (Pax & K. Hoffm.) Radcl.-Sm. & Govaerts -- accepted
	Croton ambovombensis Radcl.-Sm. & Govaerts -- accepted
	Croton apostolon Radcl.-Sm. & Govaerts -- accepted
	Croton argentealbidus Radcl.-Sm. & Govaerts -- accepted
	Croton cinerascens Radcl.-Sm. & Govaerts -- accepted
	Croton cnidophyllus Radcl.-Sm. & Govaerts -- accepted
	Croton cnidophyllus var. dui (Y.T. Chang) Radcl.-Sm. & Govaerts -- not accepted
	Croton coccymelophyllus Radcl.-Sm. & Govaerts -- accepted
	Croton cooperianus (Croizat) Radcl.-Sm. & Govaerts -- accepted
	Croton corymbulosoides Radcl.-Sm. & Govaerts -- not accepted
	Croton dictyophlebodes Radcl.-Sm. -- accepted
	Croton glomeratus Aug. DC. -- accepted
	Croton grandifructus Radcl.-Sm. & Govaerts -- accepted
	Croton guildingioides Radcl.-Sm. & Govaerts -- not accepted
	Croton herzogianus (Pax & K. Hoffm.) Radcl.-Sm. & Govaerts -- accepted
	Croton heteranthus Aug. DC. -- accepted
	Croton holodiscus (Croizat) Radcl.-Sm. & Govaerts -- accepted
	Croton inhambanensis Radcl.-Sm. -- accepted
	Croton integer (Chodat) Radcl.-Sm. & Govaerts -- accepted
	Croton iteophyllus Radcl.-Sm. & Govaerts -- accepted
	Croton janeirensis Radcl.-Sm. & Govaerts -- accepted
	Croton kilwae Radcl.-Sm. -- accepted
	Croton lauioides Radcl.-Sm. & Govaerts -- accepted
	Croton lepidotus Aug. DC. -- accepted
	Croton lepidus (S. Moore) Radcl.-Sm. & Govaerts -- accepted
	Croton leuconeurus ssp. mossambicensis Radcl.-Sm. -- accepted
	Croton lissophyllus Radcl.-Sm. & Govaerts ex Esser -- accepted
	Croton lithrifolius (Croizat) Radcl.-Sm. & Govaerts -- accepted
	Croton longipedicellatus ssp. austrotanzanicus Radcl.-Sm. -- accepted
	Croton longipedicellatus var. brevipedicellatus Radcl.-Sm. -- accepted
	Croton longipedicellatus var. glabrescens Radcl.-Sm. -- accepted
	Croton macrolepis Radcl.-Sm. & Govaerts -- accepted
	Croton malvoides (Croizat) Radcl.-Sm. & Govaerts -- accepted
	Croton microphyllinus Radcl.-Sm. & Govaerts -- accepted
	Croton mocinoi Radcl.-Sm. & Govaerts -- not accepted
	Croton mocquerysii Aug. DC. -- accepted
	Croton nicaraguensis Radcl.-Sm. & Govaerts -- not accepted
	Croton nigricans (Mart. ex Schltdl.) Radcl.-Sm. & Govaerts -- accepted
	Croton pachyclados Radcl.-Sm. -- not accepted
	Croton pavonianus Radcl.-Sm. & Govaerts -- not accepted
	Croton polytrichus ssp. brachystachyus Radcl.-Sm. -- accepted
	Croton pyrosoma (Croizat) Radcl.-Sm. & Govaerts -- accepted
	Croton robustior (L.B. Sm. & Downs) Radcl.-Sm. & Govaerts -- accepted
	Croton serratoideus Radcl.-Sm. & Govaerts -- accepted
	Croton socotranus var. pachyclados (Radcl.-Sm.) Radcl.-Sm. -- accepted
	Croton spissirameus Radcl.-Sm. & Govaerts -- accepted
	Croton talaeporos Radcl.-Sm. -- accepted
	Croton thellungianus (Herter ex Arechav.) Radcl.-Sm. & Govaerts -- accepted
	Croton tocantinsensis Radcl.-Sm. & Govaerts -- accepted
	Croton trichophilus (Pax & K. Hoffm.) Radcl.-Sm. & Govaerts -- accepted
	Croton venezuelensis Radcl.-Sm. & Govaerts -- not accepted
	Croton verrucosus Radcl.-Sm. & Govaerts -- not accepted
	Croton vietnamensis Radcl.-Sm. & Govaerts -- accepted
	Croton villosissimus (Chodat & Hassl.) Radcl.-Sm. & Govaerts -- accepted
	Croton viridulus (Croizat) Radcl.-Sm. & Govaerts -- accepted
	Crupina (Pers.) DC. -- accepted -- crupina
	Crusea subulata (DC.) A. Gray -- not accepted
	Cryptantha texana (A. DC.) Greene -- accepted -- pick me nots
	Cryptotaenia DC. -- accepted -- honewort
	Cryptotaenia canadensis (L.) DC. -- accepted -- Canadian honewort, honewort
	Cuphea ignea A. DC. -- accepted -- cigar flower
	Curio talinoides (DC.) P.V. Heath -- accepted
	Cusparia febrifuga Humb. ex DC. -- not accepted -- cusparia
	Cyamopsis DC. -- accepted
	Cyamopsis psoralioides DC. -- not accepted
	Cyamopsis psoraloides DC. -- not accepted
	Cyathea balanocarpa D.C. Eaton -- accepted
	Cyathea insignis D.C. Eaton -- accepted
	Cyathea minor D.C. Eaton -- accepted
	Cyclosorus boydiae (D.C. Eaton) W.H. Wagner -- accepted
	Cyclosorus boydiae var. boydiae (D.C. Eaton) W.H. Wagner -- not accepted
	Cylindropuntia kleiniae (DC.) F.M. Knuth -- accepted
	Cylindropuntia leptocaulis (DC.) F.M. Knuth -- accepted -- Christmas cactus, tasajillo, tesajo cactus
	Cylindropuntia rosea (DC.) Backeb. -- accepted
	Cymbopogon citratus (DC.) Stapf -- accepted -- lemon grass
	Cymbopogon nardus subvar. citratus (DC.) Roberty -- not accepted
	Cymopterus glomeratus (Nutt.) DC. -- accepted -- plains springparsley
	Cynophalla (DC.) J. Presl -- accepted -- caper-tree
	Cynosciadium DC. -- accepted
	Cynosciadium digidatum DC. -- not accepted
	Cynosciadium digitatum DC. -- accepted -- finger dogshade, fringed dogshade
	Cynosciadium pinnatum DC. -- not accepted
	Cynosurus tenellus Cav. ex DC. -- not accepted
	Cynthia dandelion (L) DC -- not accepted
	Cyrtandra dispar DC. -- accepted
	Dalbergia sissoo Roxb. ex DC. -- accepted -- Indian rosewood
	Dalea carthagenensis ssp. domingensis (DC.) R.T. Clausen -- not accepted
	Dalea carthaginensis var. domingensis (DC.) -- not accepted
	Danthonia DC. -- accepted -- danthonia, oatgrass
	Danthonia decumbens (L.) DC. -- accepted -- common heathgrass
	Datura meteloides auct. non DC. ex Dunal. -- not accepted
	Datura meteloides DC. ex Dunal -- not accepted
	Daubentonia punicea (Cav.) DC. -- not accepted
	Deinandra corymbosa (DC.) B.G. Baldw. -- accepted -- coastal moonshine, coastal tarweed
	Deinandra corymbosa ssp. corymbosa (DC.) B.G. Baldw. -- not accepted
	Deinandra fasciculata (DC.) Greene -- accepted -- clustered tarweed
	Delphinium laxiflorum DC. -- accepted
	Delphinium menziesii DC. -- accepted -- Menzies' larkspur
	Delphinium menziesii ssp. menziesii DC. -- accepted -- Menzies' larkspur
	Dendranthema (DC.) Des Moul. -- accepted -- arctic daisy
	Dendrocereus undulosus (DC.) Britton & Rose -- accepted
	Descurainia menziesii (DC.) O.E. Schulz -- not accepted
	Descurainia pinnata ssp. menziesii (DC.) Detling -- not accepted -- Menzies' tansymustard
	Desmochaeta prostrata (L.) DC. -- not accepted
	Desmodium acuminatum (Michx.) DC. -- not accepted
	Desmodium adscendens (Sw.) DC. -- accepted -- zarzabacoa galana
	Desmodium angustifolium (Kunth) DC. -- accepted -- narrowleaf ticktrefoil
	Desmodium aparines (Link) DC. -- accepted
	Desmodium axillare (Sw.) DC. -- accepted -- zarzabacoa de monte
	Desmodium axillare var. axillare (Sw.) DC. -- accepted -- zarzabacoa de monte
	Desmodium bracteosum (Michx.) DC. -- not accepted
	Desmodium cajanifolium (Kunth) DC. -- accepted -- tropical ticktrefoil
	Desmodium canadense (L.) DC. -- accepted -- Canada tickclover, showy tick-trefoil, showy ticktrefoil
	Desmodium canescens (L.) DC. -- accepted -- hoary tickclover, hoary ticktrefoil
	Desmodium capitatum (Burm. f.) DC. -- not accepted
	Desmodium ciliare (Muhl. ex Willd.) DC. -- accepted -- hairy small-leaf ticktrefoil, littleleaf tickclover
	Desmodium ciliare var. ciliare (Muhl. ex Willd.) DC. -- accepted -- hairy small-leaf ticktrefoil, hairy smallleaf ticktrefoil
	Desmodium cinereum (Kunth) DC. -- accepted
	Desmodium elegans DC. -- accepted
	Desmodium gangeticum (L.) DC. -- accepted
	Desmodium glabellum (Michx.) DC. -- accepted -- Dillenius' ticktrefoil
	Desmodium glabrum (Mill.) DC. -- accepted -- zarzabacoa dulce
	Desmodium grandiflorum DC. -- not accepted
	Desmodium gyroides (Roxb. ex Link) DC. -- not accepted
	Desmodium heterocarpon (L.) DC. -- accepted -- Asian ticktrefoil
	Desmodium heterocarpon var. heterocarpon (L.) DC. -- accepted -- carpon desmodium
	Desmodium heterophyllum (Willd.) DC. -- accepted -- Spanish clover, variable-leaf ticktrefoil
	Desmodium incanum DC. -- accepted -- tickclover, zarzabacoa comun
	Desmodium incanum var. incanum DC. -- not accepted -- zarzabacoa comun
	Desmodium laevigatum (Nutt.) DC. -- accepted -- smooth tickclover, smooth ticktrefoil
	Desmodium lineatum DC. -- accepted -- sand ticktrefoil
	Desmodium marilandicum (L.) DC. -- accepted -- Maryland tickclover, smooth small-leaf ticktrefoil
	Desmodium molle (Vahl) DC. -- not accepted
	Desmodium nudiflorum (L.) DC. -- accepted -- bare-stemmed tick-treefoil, barestem tickclover, nakedflower ticktrefoil
	Desmodium obtusum (Muhl. ex Willd.) DC. -- accepted -- stiff tickclover, stiff ticktrefoil
	Desmodium paniculatum (L.) DC. -- accepted -- narrow-leaf tick-trefoil, panicled tickclover, panicledleaf ticktrefoil
	Desmodium paniculatum var. paniculatum (L.) DC. -- accepted -- panicledleaf ticktrefoil
	Desmodium pauciflorum (Nutt.) DC. -- accepted -- fewflower ticktrefoil, fewflowered tickclover
	Desmodium polycarpon (Poir.) DC. -- not accepted
	Desmodium rhombifolium auct. non (Elliott) DC. -- not accepted
	Desmodium rigidum (Elliott) DC. -- not accepted
	Desmodium rotundifloium DC. -- not accepted
	Desmodium rotundifolium DC. -- accepted -- prostrate ticktrefoil, roundhead tickclover
	Desmodium salicifolium (Poir.) DC. -- accepted
	Desmodium spirale (Sw.) DC. -- not accepted
	Desmodium strictum (Pursh) DC. -- accepted -- pine barren ticktrefoil, pinebarren ticktrefoil
	Desmodium supinum DC. -- not accepted
	Desmodium tortuosum (Sw.) DC. -- accepted -- Dixie tick trefoil, Dixie ticktrefoil
	Desmodium triflorum (L.) DC. -- accepted -- threeflower ticktrefoil
	Desmodium umbellatum (L.) DC. -- not accepted
	Desmodium uncinatum auct. non (Jacq.) DC. -- not accepted
	Desmodium viridiflorum (L.) DC. -- accepted -- velvetleaf tickclover, velvetleaf ticktrefoil
	Dianella ensifolia (L.) DC. -- accepted -- cerulean flaxlily
	Diaperia multicaulis (DC.) Nutt. -- not accepted
	Diaperia prolifera (Nutt. ex DC.) Nutt. -- accepted -- big-head rabbit-tobacco, bighead pygmycudweed
	Diaperia prolifera var. prolifera (Nutt. ex DC.) Nutt. -- accepted -- big-head rabbit-tobacco, bighead pygmycudweed
	Diastema comiferum (DC.) Benth. ex Walp. -- accepted
	Diastema erinoides (DC.) Benth. ex Walp. -- not accepted
	Diastema hispidum (DC.) Fritsch -- accepted
	Dichanthium saccharoides subvar. laguroides (DC.) Roberty -- not accepted
	Dichrostachys (DC.) Wight & Arn. -- accepted
	Didiplis diandra (Nutt. ex DC.) Alph. Wood -- accepted -- waterpurslane
	Didymocarpus angovensis Boj. ex DC. -- not accepted
	Didymocarpus corchorifolius A. DC. -- accepted
	Didymocarpus cordatus A. DC. -- accepted
	Didymocarpus cordatus var. cordatus A. DC. -- accepted
	Didymocarpus lanuginosus Wall. ex DC. -- not accepted
	Didymocarpus mollis Wall. ex A. DC. -- accepted
	Diellia mannii (D.C. Eaton) W.J. Rob. -- not accepted -- Mann's island spleenwort
	Digitaria velutina (DC.) Hitchc. -- not accepted
	Dimorphotheca aurantiaca DC. non Horton -- not accepted
	Dimorphotheca ecklonis DC. -- not accepted
	Dimorphotheca sinuata DC. -- accepted -- glandular Cape marigold
	Dioon strobilaceum Lem. ex A.DC -- not accepted
	Diospyros blancoi A. DC. -- accepted -- mabolo
	Diospyros ferrea ssp. sandwicensis (A. DC.) Fosberg -- not accepted
	Diospyros ferrea var. sandwicensis (A. DC.) Bakh. -- not accepted
	Diospyros laevis Bojer ex DC. -- not accepted
	Diospyros madagascariensis (A. DC.) -- not accepted
	Diospyros mangabensis Aug. DC. -- accepted
	Diospyros mespiliformis Hochst. ex A. DC. -- accepted -- ebony diospyros
	Diospyros neraudii A. DC. -- accepted
	Diospyros nigricans Wall. ex A. DC. -- not accepted
	Diospyros sandwicensis (A. DC.) Fosberg -- accepted -- lama
	Diospyros squamosa Bojer ex DC. -- accepted
	Dipholis A. DC. -- not accepted -- bustic
	Dipholis salicifolia (L.) A. DC. -- not accepted -- willow bustic
	Diplochita serrulata DC. -- not accepted
	Diplopappus lutescens Lindl. ex DC. -- not accepted
	Diplotaxis DC. -- accepted -- wallrocket
	Diplotaxis erucoides (L.) DC. -- accepted -- white wallrocket
	Diplotaxis muralis (L.) DC. -- accepted -- annual wallrocket
	Diplotaxis tenuifolia (L.) DC. -- accepted -- perennial wallrocket
	Dipogon lignosus (L.) Verdc. -- accepted -- Okie bean
	Dircaea vauthieri (DC.) Decne. -- not accepted
	Discocalyx (A. DC.) Mez -- accepted
	Discopleura nuttallii DC. -- not accepted
	Disocactus phyllanthoides (DC.) Barthlott -- accepted
	Distictis buccinatoria (DC.) A.H. Gentry -- accepted -- blood-trumpet
	Distictis lactiflora (Vahl) DC. -- accepted -- liana fragante
	Ditaxis argothamnoides (Bertero ex Spreng.) Radcl.-Sm. & Govaerts -- accepted -- Blodgett's silverbush
	Ditaxis simulans (J.W. Ingram) Radcl.-Sm. & Govaerts -- accepted -- plateau silverbush
	Dodonaea jamaicensis DC. -- not accepted
	Dodonaea viscosa ssp. angustissima (DC.) J.G. West -- accepted -- narrow-leaf hopbush
	Dolichos jacquinii DC. -- not accepted
	Dolichos sericeus ssp. formosus (Hochst. ex A. Rich.) Verdc. -- accepted
	Dolichothele longimamma (DC.) Britton & Rose -- not accepted
	Downingia elegans var. corymbosa (A. DC.) A. Gray -- not accepted
	Draba borealis DC. -- accepted -- boreal draba
	Draba borealis var. borealis DC. -- not accepted -- boreal whitlowgrass
	Draba corymbosa R. Br. ex DC. -- accepted -- flat-top draba, flat-top whitlowgrass
	Draba daurica DC. -- not accepted -- scree whitlowgrass
	Draba grandis Langsd. ex DC. -- accepted -- North Pacific draba
	Draba oblongata R. Br. ex DC. -- accepted -- Canadian arctic draba
	Draba pilosa Adams ex DC. -- accepted
	Drymonia antirrhina (DC.) Seem. -- not accepted
	Drymonia glabra (DC.) C.V. Morton -- not accepted
	Dryopteris clintoniana (D.C. Eaton) Dowell -- accepted -- Clinton's woodfern, dryopt�re de Clinton
	Dryopteris cristata var. clintoniana (D.C. Eaton) Underw. -- not accepted
	Dryopteris erythrosora (D.C. Eaton) Kuntze -- accepted
	Drypetes ilicifolia (DC.) Krug & Urb. -- accepted -- rosewood
	Dubautia ciliolata (DC.) D.D. Keck -- accepted -- lava dubautia
	Dubautia ciliolata ssp. ciliolata (DC.) D.D. Keck -- accepted -- lava dubautia
	Dubautia scabra (DC.) D.D. Keck -- accepted -- rough dubautia
	Dubautia scabra ssp. scabra (DC.) D.D. Keck -- accepted -- rough dubautia
	Dyssodia acerosa DC. -- not accepted
	Dyssodia belenidium (DC.) Macloskie -- not accepted
	Dyssodia micropoides (DC.) Loes. -- not accepted
	Dyssodia pentachaeta (DC.) B.L. Rob. -- not accepted
	Dyssodia pentachaeta var. belenidium (DC.) Strother -- not accepted
	Dyssodia tenuiloba (DC.) B.L. Rob. -- not accepted
	Eatonella nivea (D.C. Eaton) A. Gray -- accepted -- white eatonella, white false tickhead
	Echeveria DC. -- accepted
	Echinacea angustifolia DC. -- accepted -- blacksamson, blacksamson echinacea
	Echinacea angustifolia var. angustifolia DC. -- not accepted -- blacksamson, blacksamson echinacea
	Echinacea pallida var. angustifolia (DC.) Cronquist -- not accepted
	Echinocactus conoideus (DC.) Poselg. -- not accepted
	Echinocereus cinerascens (DC.) H.P. Kelsey & Dayton -- accepted
	Echinocereus cinerascens ssp. cinerascens (DC.) H.P. Kelsey & Dayton -- accepted
	Echinocereus pentalophus (DC.) Lem. -- accepted -- ladyfinger cactus, �rgano-peque�o alicoche falso
	Echinocereus pentalophus ssp. pentalophus (DC.) Lem. -- accepted
	Echinofossulocactus crispatus (DC.) Lawr. -- not accepted
	Echinofossulocactus obvallatus (DC.) Lawr. -- not accepted
	Ehretia elliptica DC. -- not accepted
	Elaeodendron xylocarpum (Vent.) DC. -- accepted
	Elymus repens var. aristatus (Schreb. ex Baumg.) Melderis & D.C. McClint. -- not accepted
	Elytrigia obtusiflora (DC.) Tzvelev -- accepted
	Emilia sonchifolia (L) DC -- accepted -- lilac tasselflower
	Emilia sonchifolia var. sonchifolia (L) DC -- not accepted -- lilac tasselflower
	Empetrum nigrum var. purpureum (Raf.) A. DC. -- not accepted
	Enceliopsis argophylla (D.C. Eaton) A. Nelson -- accepted -- silver-leaf sunray, silverleaf sunray
	Entada polystachya (L.) DC. -- accepted -- callingcard vine
	Entada pursaetha DC. -- not accepted
	Entandrophragma C. DC. -- accepted
	Enydra sessilis (Sw.) DC. -- accepted -- smallray swampwort
	Epiphyllum oxypetalum (DC.) Haw. -- accepted -- Dutchman's pipe cactus, Nopalillo criollo
	Episcia guadalupensis (DC.) Hanst. -- not accepted
	Episcia hispida DC. -- not accepted
	Episcia melittifolia f. guadalupensis (DC.) Stehl� -- not accepted
	Episcia melittifolia var. guadelupensis (DC.) Urb. -- not accepted
	Epithema horsfieldii (R. Brown) DC. -- accepted
	Epithema horsfieldii var. horsfieldii (R. Brown) DC. -- accepted
	Erato DC. -- not accepted
	Erato DC. -- accepted
	Erato polymnioides DC. -- accepted
	Erato polymnionides DC. -- not accepted
	Erechtites arguta (A. Rich.) DC. -- not accepted
	Erechtites glomerata (Desf. ex Poir.) DC. -- not accepted -- Australian fireweed, cutleaf burnweed
	Erechtites hieracifolia (L.) Raf. ex DC. -- not accepted -- burnweed
	Erechtites hieraciifolia (L.) Raf. ex DC. -- not accepted -- American burnweed
	Erechtites hieraciifolia var. hieraciifolia (L.) Raf. ex DC. -- not accepted -- American burnweed
	Erechtites hieraciifolius (L.) Raf. ex DC. -- accepted -- American burnweed, burnweed
	Erechtites hieraciifolius var. hieraciifolius (L.) Raf. ex DC. -- accepted -- American burnweed
	Erechtites minima (Poir.) DC. -- not accepted -- Australian fireweed, coastal burnweed
	Erechtites minimus (Poir.) DC. -- accepted -- coastal burnweed
	Erechtites prenanthoides (A. Rich.) DC. -- not accepted
	Erechtites valerianifolia (Link ex Spreng.) DC. -- accepted -- tropical burnweed
	Ericameria linearifolia (DC.) Urbatsch & Wussow -- accepted -- narrowleaf goldenbush, slimleaf goldenbush
	Ericameria viscidiflora ssp. puberula (D.C. Eaton) L.C. Anderson -- not accepted
	Ericameria viscidiflora var. latifolia (D.C. Eaton) L.C. Anderson -- not accepted
	Erigeron acris ssp. kamtschaticus (DC.) H. Hara -- not accepted -- bitter fleabane
	Erigeron acris var. asteroides (Andrz. ex Besser) DC. -- not accepted
	Erigeron acris var. kamtschaticus (DC.) Herder -- accepted -- bitter daisy, bitter fleabane, blue fleabane
	Erigeron arenarioides (D.C. Eaton ex A. Gray) A. Gray ex Rydb. -- accepted -- sand fleabane
	Erigeron asperugineus (D.C. Eaton) A. Gray -- accepted -- Idaho daisy, Idaho fleabane
	Erigeron bellioides DC. -- accepted -- bellorita
	Erigeron concinnus var. condensatus D.C. Eaton -- accepted -- Navajo daisy, Navajo fleabane
	Erigeron condensatus (D.C. Eaton) Greene -- not accepted
	Erigeron cuneifolius DC. -- accepted -- wedgeleaf fleabane
	Erigeron kamtschaticus DC. -- not accepted
	Erigeron karvinskianus DC. -- accepted -- Latin American fleabane
	Erigeron multiradiatus (Lindl. ex DC.) Benth. ex C.B. Clarke -- accepted -- Himalayan fleabane
	Erigeron pumilus var. condensatus (D.C. Eaton) Cronquist -- not accepted
	Erigeron roylei DC. -- accepted
	Erigeron speciosus (Lindl.) DC. -- accepted -- aspen fleabane, Oregon daisy, Oregon fleabane, threenerve fleabane
	Erigeron speciosus var. speciosus (Lindl.) DC. -- not accepted -- aspen daisy, aspen fleabane
	Erigeron tenellus DC. -- accepted -- Rio Grande fleabane
	Erigeron unalaschkensis (DC.) Vierh. -- not accepted
	Erigeron uniflorus var. unalaschkensis (DC.) Ostenf. -- not accepted
	Erigeron ursinus D.C. Eaton -- accepted -- bear daisy, Bear River fleabane
	Eriodendron anfractuosum DC. -- not accepted
	Eriophyllum confertiflorum (DC.) A. Gray -- accepted -- golden-yarrow, yellow-yarrow
	Eriophyllum confertiflorum var. confertiflorum (DC.) A. Gray -- accepted -- golden-yarrow
	Eriophyllum lanatum var. achillaeoides (DC.) Jeps. -- not accepted -- common woolly sunflower
	Eriophyllum lanatum var. achillioides (DC.) Jeps. -- accepted -- common woolly sunflower
	Eriophyllum lanatum var. leucophyllum (DC.) W.R. Carter -- accepted -- common woolly sunflower
	Eriophyllum multicaule (DC.) A. Gray -- accepted -- many-stem woolly-sunflower, manystem woolly sunflower
	Eriosema (DC.) Desv. -- accepted -- sand pea
	Eritrichium aretioides (Cham.) A. DC. -- not accepted
	Eritrichium chamissonis DC. -- not accepted
	Eritrichium nanum var. chamissonis (DC.) Herder -- accepted -- arctic alpine forget-me-not
	Eritrichium pauciflorum (Ledeb.) DC. -- accepted
	Eryngium prostratum Nutt. ex DC. -- accepted -- creeping eryngo
	Erysimum asperum (Nutt.) DC. -- accepted -- western wallflower
	Erythrina abyssinica Lam. ex DC. -- accepted
	Erythroxylum brevipes DC. -- accepted -- brisselet
	Eschweilera Mart. ex DC. -- accepted
	Eschweillera Mart. ex DC. -- not accepted
	Eucalyptus cneorifolia DC. -- accepted
	Eucalyptus gomphocephala DC. -- accepted -- tuart
	Eucalyptus oblonga DC. -- accepted
	Eucalyptus obtusiflora DC. -- accepted
	Eucalyptus punctata DC. -- accepted -- gray gum
	Eucalyptus radiata Sieber ex DC. -- accepted -- narrow-leaf peppermint gum
	Eucalyptus stellulata Sieber ex DC. -- accepted
	Eucephalus engelmannii (D.C. Eaton) Greene -- accepted -- Engelmann's aster
	Euchiton gymnocephalus (DC.) Anderb. -- accepted -- creeping cudweed
	Eucodonia andrieuxii (DC.) Wiehler -- accepted
	Eugenia aeruginea sensu Griseb., non DC. -- not accepted
	Eugenia apiculata DC. -- accepted -- shortleaf stopper
	Eugenia biflora (L.) DC. -- accepted -- blackrodwood
	Eugenia bilflora (L.) DC. -- not accepted
	Eugenia cauliflora DC. -- not accepted
	Eugenia confusa DC. -- accepted -- redberry stopper
	Eugenia cordata (Sw.) DC. -- accepted -- lathberry
	Eugenia cordata var. cordata (Sw.) DC. -- accepted -- lathberry
	Eugenia glabrata (Sw.) DC. -- accepted -- smooth rodwood
	Eugenia monticola (Sw.) DC. -- accepted -- birdcherry
	Eugenia reinwardtiana (Blume) DC. -- accepted -- mountain stopper
	Eulophus americanus Nutt. ex DC. -- not accepted
	Eupatorium album var. glandulosum (Michx.) DC. -- not accepted -- white thoroughwort
	Eupatorium azureum DC. -- not accepted -- blue boneset
	Eupatorium capillifolium var. leptophyllum (DC.) H.E. Ahles -- not accepted
	Eupatorium cuneifolium var. semiserratum (DC.) Fernald & Grisc. -- not accepted
	Eupatorium leptophyllum DC. -- accepted -- false fennel
	Eupatorium leucolepis (DC.) Torr. & A. Gray -- accepted -- justiceweed
	Eupatorium leucolepis var. leucolepis (DC.) Torr. & A. Gray -- accepted -- justiceweed
	Eupatorium macrodon DC. -- not accepted
	Eupatorium resinosum Torr. ex DC. -- accepted -- pine barren thoroughwort
	Eupatorium semiserratum DC. -- accepted -- smallflower eupatorium, smallflower thoroughwort
	Euphorbia abdita (D.G. Burch) Radcl.-Sm. -- accepted
	Euphorbia affinis DC. -- not accepted
	Euphorbia amygdaloides ssp. semiperfoliata (Viv.) Radcl.-Sm. -- not accepted
	Euphorbia amygdaloides var. robbiae (Turrill) Radcl.-Sm. -- not accepted
	Euphorbia artaudiana DC. -- not accepted
	Euphorbia bejariensis DC. -- not accepted
	Euphorbia brittingeri ssp. flavicoma (DC.) Ladero -- not accepted
	Euphorbia buxoides Radcl.-Sm. -- accepted
	Euphorbia carniolica DC. -- not accepted
	Euphorbia chamaesyce var. massiliensis (DC.) Thell. -- not accepted
	Euphorbia characias ssp. wulfenii (Hoppe ex W. Koch) Radcl.-Sm. -- accepted
	Euphorbia coderiana DC. -- not accepted
	Euphorbia commelinii DC. -- not accepted
	Euphorbia cornastra (Dressler) Radcl.-Sm. -- accepted
	Euphorbia cyparissias var. esuloides DC. -- not accepted
	Euphorbia esuloides (DC.) Ten. -- not accepted
	Euphorbia flavicoma DC. -- accepted
	Euphorbia flavicoma ssp. flavicoma DC. -- accepted
	Euphorbia hajhirensis Radcl.-Sm. -- accepted
	Euphorbia hormorrhiza Radcl.-Sm. -- accepted
	Euphorbia inornata (Dressler) Radcl.-Sm. -- not accepted
	Euphorbia jasiewiczii (Chrtek & Kr�sa) Radcl.-Sm. -- not accepted
	Euphorbia lancasteriana Radcl.-Sm. -- not accepted
	Euphorbia leonardii (D.G. Burch) Radcl.-Sm. -- accepted
	Euphorbia longibracteata DC. -- not accepted
	Euphorbia massiliensis DC. -- not accepted
	Euphorbia nicaeensis var. lasiocarpa (Boiss.) Radcl.-Sm. & Govaerts -- accepted
	Euphorbia occidentaustralica Radcl.-Sm. & Govaerts -- accepted
	Euphorbia parvicaruncula D.C. Hassall -- accepted
	Euphorbia peplus var. minima DC. -- accepted
	Euphorbia petiolata var. postii (Boiss.) Radcl.-Sm. -- accepted
	Euphorbia pithyusa ssp. cupanii (Guss. ex Bertol.) Radcl.-Sm. -- accepted
	Euphorbia planiticola D.C. Hassall -- accepted
	Euphorbia plumerioides var. macrocarpa Radcl.-Sm. -- not accepted
	Euphorbia plumerioides var. microphylla Radcl.-Sm. -- not accepted
	Euphorbia procumbens DC. -- not accepted
	Euphorbia pseudosikkimensis (Hurus. & Yu. Tanaka) Radcl.-Sm. -- accepted
	Euphorbia pulchella Brouss. ex DC. -- not accepted
	Euphorbia pyrifolia var. coriacea Radcl.-Sm. -- accepted
	Euphorbia reconciliationis Radcl.-Sm. -- accepted
	Euphorbia rhabdotosperma Radcl.-Sm. -- accepted
	Euphorbia salsuginosa (McVaugh) Radcl.-Sm. & Govaerts -- not accepted
	Euphorbia saxicola Radcl.-Sm. -- accepted
	Euphorbia schillingii Radcl.-Sm. -- accepted
	Euphorbia schillingii var. praecox A.D. Schill. ex Radcl.-Sm. -- not accepted
	Euphorbia schumannii Radcl.-Sm. -- accepted
	Euphorbia segetalis var. longibracteata (DC.) Boiss. -- not accepted
	Euphorbia talaina Radcl.-Sm. -- accepted
	Euphorbia tannensis ssp. eremophila (A. Cunn. ex Hook.) D.C. Hassall -- accepted
	Euphorbia tannensis var. eremophila (A. Cunn. ex Hook.) D.C. Hassall -- not accepted
	Euphorbia tannensis var. finlaysonii (J.M. Black) D.C. Hassall -- not accepted
	Euphorbia tchen-ngoi (Soj�k) Radcl.-Sm. -- not accepted
	Euphorbia torrida DC. -- not accepted
	Euphorbia tumistyla (D.G. Burch) Radcl.-Sm. -- accepted
	Euphorbia uncinata DC. -- not accepted
	Euphorbia viridula Cordem. ex Radcl.-Sm. -- accepted
	Euphorbia waldsteinii (Soj�k) Radcl.-Sm. -- not accepted
	Euphorbia X cornubiensis Radcl.-Sm. -- not accepted
	Euphorbia X malahidensis Radcl.-Sm. -- not accepted
	Euphorbia yunnanensis Radcl.-Sm. -- not accepted
	Euphrosyne DC. -- accepted
	Euphrosyne parthenifolia DC. -- not accepted
	Euphrosyne partheniifolia DC. -- accepted
	Euryops chrysanthemoides (DC.) B. Nord. -- accepted -- bull's eye
	Euryops multifidus (Thunb.) DC. -- accepted -- euryops, hawk's eye
	Evax multicaulis DC. -- not accepted
	Evax prolifera Nutt. ex DC. -- not accepted -- bighead pygmycudweed, rabbit tobacco, rabbit's tobacco
	Exocarpos gaudichaudii A. DC. -- accepted -- hulumoa
	Feea osmundoides (DC. ex Poir.) Copel. -- not accepted
	Fernaldia pandurata (A. DC.) Woodson -- accepted -- loroco
	Ferocactus echidne (DC.) Britton & Rose -- accepted
	Ferocactus glaucescens (DC.) Britton & Rose -- accepted
	Ferocactus histrix (DC.) G.E. Linds. -- accepted
	Festuca caerulea (L.) Lam. ex DC. -- not accepted
	Festuca ciliata Danthoine ex Lam. & DC. -- not accepted
	Festuca inermis (Leyss.) DC. & Lam. -- not accepted
	Festuca inermis var. inermis (Leyss.) DC. & Lam. -- not accepted
	Filaginopsis multicaulis (DC.) Torr. & A. Gray -- not accepted
	Filago prolifera (Nutt. ex DC.) Britton non Pomel -- not accepted
	Fissidens julianus (Savi ex DC.) Schimp. -- not accepted
	Flaveria oppositifolia auct. non (DC.) Rydb. -- not accepted
	Florestina tripteris DC. -- accepted -- sticky florestina
	Flourensia DC. -- accepted -- tarwort
	Flourensia cernua DC. -- accepted -- American tarwort, tarbush
	Folioceros D.C. Bharadwaj -- accepted
	Folioceros assamicus D.C. Bharadwaj -- accepted
	Folioceros dixitianus (Mahab.) D.C. Bharadwaj -- accepted
	Folioceros fuciformis (Mont.) D.C. Bharadwaj -- accepted
	Folioceros glandulosus (Lehm. & Lindenb.) D.C. Bharadwaj -- accepted
	Folioceros incurvus (Steph.) D.C. Bharadwaj -- accepted
	Folioceros indicus D.C. Bharadwaj -- accepted
	Folioceros mangaloreus (Steph.) D.C. Bharadwaj -- accepted
	Folioceros physocladus D.C. Bharadwaj -- accepted
	Folioceros pinnilobus (Steph.) D.C. Bharadwaj -- accepted
	Folioceros satpurensis D.C. Bharadwaj & K.P. Srivast. -- accepted
	Frangula purshiana (DC.) A. Gray -- not accepted -- Cascara buckthorn, Pursh's buckthorn
	Franseria confertiflora (DC.) Rydb. -- not accepted
	Fraxinus berlandierana DC. -- not accepted
	Fraxinus berlandieriana DC. -- accepted -- Mexican ash
	Friesodielsia obovata (Benth.) Verdc. -- accepted -- monkey fingers
	Funaria muhlenbergii Hedw. f. ex Turn. 1804 (non Turn. 1805) nec Lam & DC. -- accepted -- Muhlenberg's funaria moss
	Gaillardia drummondii (Hook.) DC. -- not accepted
	Galactia dubia DC. -- accepted -- West Indian milkpea
	Galarhoeus flavicomus (DC.) Fourr. -- not accepted
	Galinsoga caracasana (DC.) Sch. Bip. -- not accepted
	Galium anglicum var. parvifolium (Gaudich. ex Roem. & Schult.) DC. -- not accepted
	Galium aparine var. vaillantii (DC.) Koch -- not accepted
	Galium boreale var. hyssopifolium (Hoffm.) DC. -- not accepted
	Galium boreale var. intermedium DC. -- not accepted
	Galium boreale var. scabrum DC. -- not accepted
	Galium litigiosum var. nanum DC. -- not accepted
	Galium puncticulosum var. pilosum (Aiton) DC. -- not accepted
	Galium spurium var. vaillantii (DC.) Gren. & Godr. -- not accepted
	Galium spurium var. vaillantii (DC.) G. Beck -- not accepted
	Galium triflorum var. viridiflorum DC. -- not accepted
	Galium uncinulatum DC. -- accepted -- bristly bedstraw
	Galium vaillantii DC. -- not accepted
	Garcinia tinctoria (DC.) Dunn -- not accepted
	Gardenia taitensis DC. -- accepted -- Tahitian gardenia
	Gazania longiscapa DC. -- not accepted
	Geniostoma micranthum DC. -- accepted
	Geniostoma micranthum var. micranthum DC. -- accepted
	Genista aetnensis (Raf. ex Biv.) DC. -- accepted -- Mt. Etna broom
	Geoprumnon mexicanum (A. DC.) Rydb. -- not accepted
	Geranium erianthum DC. -- accepted -- woolly geranium
	Geranium potentilloides L'H�r. ex DC. -- accepted -- cinquefoil geranium
	Geranium pratense var. erianthum (DC.) B. Boivin -- not accepted
	Geranium retrorsum L'H�r. ex DC. -- accepted -- New Zealand geranium
	Gesneria acaulis Fl. Mex. ex DC. -- not accepted
	Gesneria angustior (DC.) Kuntze -- not accepted
	Gesneria bulbosa var. cooperi (hort. ex DC.) Klotzsch -- not accepted
	Gesneria cooperi hort. ex DC. -- not accepted
	Gesneria corymbosa DC. -- not accepted
	Gesneria crenulata A. DC. -- not accepted
	Gesneria cuneifolia (DC.) Fritsch -- accepted -- yerba parrera
	Gesneria exogonia Sess� & Moc. ex DC. -- not accepted
	Gesneria latifolia var. gaudichaudii DC. -- not accepted
	Gesneria longiflora Fl. Mex. ex DC. -- not accepted
	Gesneria maculata Moc. & Sess� ex DC. -- not accepted
	Gesneria oxyphylla DC. -- not accepted
	Gesneria pedunculosa (DC.) Fritsch -- accepted -- arbol de Navidad
	Gesneria petiolaris (DC.) Kuntze -- not accepted
	Gesneria plumierana (DC.) Kuntze -- not accepted
	Gesneria polyantha DC. -- not accepted
	Gesneria portoricensis DC. ex Bello -- not accepted
	Gesneria quaterniflora Fl. Mex. ex DC. -- not accepted
	Gesneria schiedeana (DC.) Hook. -- not accepted
	Gesneria spicata var. schiedeana DC. -- not accepted
	Gesneria tenella Fl. Mex. ex DC. -- not accepted
	Gesneria tomentosa Moc. ex DC. -- not accepted
	Gesneria uniflora DC. -- not accepted
	Gesneria vargasii DC. -- not accepted
	Gesneria vauthieri DC. -- not accepted
	Gesneria velutina Willd. ex DC. -- not accepted
	Gloxinia antirrhina DC. -- not accepted
	Gloxinia erinoides (DC.) Roalson & Boggan -- accepted
	Gloxinia hirsuta (DC.) Wiehler -- not accepted
	Glycine wightii (Wight & Arn.) Verdc. -- not accepted -- perennial soybean
	Glycine wightii var. mearnsii (De Wild.) Verdc. -- not accepted
	Glycine wrightii (Wight & Arn.) Verdc. -- not accepted
	Glyptopleura D.C. Eaton -- accepted -- glyptopleura
	Glyptopleura marginata D.C. Eaton -- accepted -- carveseed
	Gnaphalium attenuatum DC. -- not accepted
	Gnaphalium brachypterum DC. -- not accepted
	Gnaphalium californicum DC. -- not accepted
	Gnaphalium canescens DC. -- not accepted
	Gnaphalium canescens ssp. canescens DC. -- not accepted
	Gnaphalium gymnocephalus DC. -- not accepted
	Gochnatia hypoleuca (DC.) A. Gray -- accepted -- shrubby bullseye
	Gomphia ilicifolia DC. -- not accepted
	Gouldia affinis (DC.) Wilbur -- not accepted
	Graffenrieda DC. -- accepted
	Gratiola ebracteata Benth. ex A. DC. -- accepted -- bractless hedgehyssop
	Grewia flava DC. -- accepted
	Grindelia hirsutula ssp. rubricaulis (DC.) D.D. Keck -- not accepted
	Grindelia integrifolia DC. -- accepted -- Puget Sound gumweed
	Grindelia integrifolia var. integrifolia DC. -- not accepted -- Puget Sound gumweed
	Grindelia microcephala DC. -- accepted -- littlehead gumweed
	Grindelia microcephala var. microcephala DC. -- not accepted -- littlehead gumweed
	Grindelia stricta DC. -- not accepted -- Oregon gumweed
	Grindelia stricta var. stricta DC. -- not accepted -- Oregon gumweed
	Gutierrezia californica (DC.) Torr. & A. Gray -- accepted -- California snakeweed, San Joaquin snakeweed
	Gutierrezia dracunculoides (DC.) S.F. Blake -- not accepted -- prairie broomweed
	Gutierrezia microcephala (DC.) A. Gray -- accepted -- threadleaf snakeweed
	Gutierrezia sarothrae var. microcephala (DC.) L.D. Benson -- not accepted
	Gutierrezia texana (DC.) Torr. & A. Gray -- accepted -- Texas broomweed, Texas snakeweed
	Gutierrezia texana var. texana (DC.) Torr. & A. Gray -- accepted -- Texas snakeweed
	Gymnocarpium dryopteris var. pumilum (DC.) B. Boivin -- not accepted
	Gynandropsis DC. -- accepted -- spider-wisp
	Gynura aurantiaca (Blume) DC. -- accepted -- velvetplant
	Haemadictyon exsertum A. DC. -- not accepted
	Halimodendron Fisch. ex DC. -- accepted -- salttree, Siberian sandthorn
	Haplopappus acaulis var. glabratus D.C. Eaton -- not accepted
	Haplopappus ciliatus (Nutt.) DC. -- not accepted -- Spanish gold, waxed goldenweed
	Haplopappus foliosus DC. -- accepted
	Haplopappus gymnocephalus DC. -- not accepted
	Haplopappus lanceolatus ssp. tenuicaulis (D.C. Eaton) H.M. Hall -- not accepted
	Haplopappus lanceolatus ssp. vaseyi (Parry ex D.C. Eaton) H.M. Hall -- not accepted
	Haplopappus lanceolatus var. tenuicaulis (D.C. Eaton) A. Gray -- not accepted
	Haplopappus lanceolatus var. vaseyi Parry ex D.C. Eaton -- not accepted
	Haplopappus linearifolius DC. -- not accepted
	Haplopappus nanus (Nutt.) D.C. Eaton -- not accepted
	Haplopappus phyllocephalus DC. -- not accepted
	Haplopappus spinulosus (Pursh) DC. -- not accepted -- cutleaf ironplant, ironplant, lacy tansyaster
	Haplopappus squarrosus ssp. grindelioides (DC.) D.D. Keck -- not accepted
	Haplophyton A. DC. -- accepted
	Haplophyton cimicidum A. DC. -- accepted -- cockroachplant
	Harpagophytum DC. ex Meisn. -- accepted
	Harpagophytum procumbens (Burch.) DC. ex Meisn. -- accepted -- devil's-claw
	Hazardia squarrosa var. grindelioides (DC.) W.D. Clark -- accepted -- sawtooth bristleweed
	Hebeclinium DC. -- accepted -- thoroughwort
	Hebeclinium macrophyllum (L) DC -- accepted -- largeleaf thoroughwort
	Hedeoma ciliata (Benth.) Benth. ex A. DC. -- not accepted
	Hedyotis boscii DC. -- not accepted
	Hedyotis salzmannii (DC.) Steud. -- not accepted
	Hedyotis strigulosa (Bartlett ex DC.) Fosberg -- not accepted
	Helenium elegans DC. -- accepted -- pretty sneezeweed
	Helenium elegans var. elegans DC. -- accepted -- pretty sneezeweed
	Helenium microcephalum DC. -- accepted -- littlehead tarweed, smallhead sneezeweed
	Helenium microcephalum var. microcephalum DC. -- accepted -- smallhead sneezeweed
	Helenium puberulum DC. -- accepted -- rosilla
	Helenium setigerum (DC.) Britton & Rusby -- not accepted
	Helianthus annuus var. macrocarpus (DC.) Cockerell -- not accepted
	Helianthus californicus DC. -- accepted -- California sunflower
	Helianthus ciliaris DC. -- accepted -- blueweed, blueweed sunflower, Texas blueweed, Texas-blueweed, yerba parda
	Helianthus orgyalis DC. -- not accepted
	Helichrysum petiolatum (L) DC -- not accepted
	Heliocereus speciosissimus (DC.) Y. It� -- not accepted
	Heliotropium curassavicum var. obovatum DC. -- accepted -- seaside heliotrope
	Heliotropium ramosissimum (Lehm.) DC. -- accepted -- wavy heliotrope
	Hemiachyris texana DC. -- not accepted
	Hemiscola diffusa (Banks ex DC.) Iltis -- accepted -- spreading spiderflower
	Hemizonia DC. -- accepted -- tarweed
	Hemizonia congesta DC. -- accepted -- hayfield tarweed
	Hemizonia congesta ssp. congesta DC. -- accepted -- hayfield tarweed
	Hemizonia congesta ssp. luzulifolia (DC.) Babc. & H.M. Hall -- accepted -- hayfield tarweed
	Hemizonia corymbosa (DC.) Torr. & A. Gray -- not accepted -- coastal tarweed
	Hemizonia corymbosa ssp. corymbosa (DC.) Torr. & A. Gray -- not accepted -- coastal tarweed
	Hemizonia fasciculata (DC.) Torr. & A. Gray -- not accepted -- clustered tarweed
	Hemizonia luzulifolia DC. -- not accepted
	Hemizonia luzulifolia ssp. luzulifolia DC. -- not accepted -- hayfield tarweed
	Hemizonia truncata (DC.) A. Gray -- not accepted
	Henriettea DC. -- accepted -- camasey
	Hepatica acutiloba DC. -- not accepted
	Hepatica americana (DC.) Ker Gawl. -- not accepted
	Hepatica triloba var. americana DC. -- not accepted
	Herniaria cinerea DC. -- not accepted
	Herniaria hirsuta ssp. cinerea (DC.) Cout. -- not accepted -- hairy rupturewort
	Herniaria hirsuta var. cinerea (DC.) Loret & Barrandon -- accepted -- hairy rupturewort
	Herrickia kingii (D.C. Eaton) Brouillet, Urbatsch & R.P. Roberts -- accepted -- King's aster
	Herrickia kingii var. kingii (D.C. Eaton) Brouillet, Urbatsch & R.P. Roberts -- accepted -- King's aster
	Heteropteris platyptera DC. -- not accepted
	Heteropterys platyptera DC. -- not accepted
	Heterotheca canescens (DC.) Shinners -- accepted -- gray goldaster, hoary false goldenaster, hoary falsegoldenaster
	Heterotheca chrysopsides DC. -- not accepted -- butterfly falsegoldenaster
	Heterotheca leptoglossa DC. -- accepted -- lacy falsegoldenaster
	Heterotheca scabra (Pursh) DC. -- not accepted
	Heterotrichum DC. -- not accepted
	Heterotrichum angustifolium DC. -- not accepted -- narrowleaf terciopelo
	Hieracium X brachiatum Bethel. ex DC. -- accepted
	Hippocrepis scabra DC. -- accepted
	Hoita macrostachya (DC.) Rydb. -- accepted -- large leather-root
	Holarrhena antidysenterica (L.) Wall. ex A. DC. -- not accepted -- tellicherry bark
	Holcus saccharoides var. laguroides (DC.) Hack. -- not accepted
	Holocarpha macradenia (DC.) Greene -- accepted -- Santa Cruz tarplant
	Hydrangea arborescens ssp. discolor (Ser. ex DC.) E.M. McClint. -- not accepted
	Hylocereus extensus (Salm-Dyck ex DC.) Britton & Rose ex Rose -- accepted
	Hylocereus setaceus (Salm-Dyck ex DC.) Ralf Bauer -- accepted
	Hymenatherum pentachaetum DC. -- not accepted
	Hymenopappus artemisiifolius DC. -- accepted -- oldplainsman, woolly-white
	Hymenopappus artemisiifolius var. artemisiifolius DC. -- accepted -- oldplainsman, woolly-white
	Hymenopappus scabiosaeus var. artemisiifolius (DC.) Gandhi & R.D. Thomas -- not accepted
	Hymenophyllum baldwinii D.C. Eaton -- not accepted
	Hymenothecium tenellum (Cav. ex DC.) Lag. -- not accepted
	Hymenoxys cooperi var. canescens (D.C. Eaton) K.F. Parker -- not accepted -- Cooper's frostmat, Cooper's hymenoxys, Cooper's rubberweed
	Hymenoxys odorata DC. -- accepted -- bitter rubberweed, bitterweed, poison rubberweed, western bitterweed
	Hymenoxys scaposa (DC.) K.F. Parker -- not accepted -- stemmy hymenoxys
	Hyperbaena domingensis (DC.) Benth. -- accepted -- forest snakevine
	Hypopitys americana (DC.) Small -- not accepted
	Impatiens parviflora DC. -- accepted -- smallflower touch-me-not
	Incarvillea dubia Wall. ex DC. -- not accepted
	Indigofera mucronata Spreng. ex DC. -- not accepted
	Indigofera sessilifolia DC. -- accepted
	Inga sertulifera DC. -- accepted
	Isnardia repens DC. -- not accepted
	Isocarpha oppositifolia var. achyranthes (DC.) D.J. Keil & Stuessy -- accepted
	Isoloma schiedeanum (DC.) Hemsl. -- not accepted
	Iva angustifolia Nutt. ex DC. -- accepted -- narrowleaf marsh elder, narrowleaf marshelder, narrowleaf sumpweed, Texas marsh elder
	Jacquinia umbellata A. DC. -- not accepted -- chirriador
	Jambosa malaccensis (L.) DC. -- not accepted
	Jaquinia umbellata A. DC. -- not accepted
	Jasminum marianum DC. -- accepted
	Juglans boliviana (C. DC.) Dode -- accepted -- Bolivian walnut
	Juglans jamaicensis C. DC. -- accepted -- nogal, West Indian walnut
	Juncus effusus var. subglomeratus Lam. & DC. -- not accepted
	Jussiaea decurrens (Walter) DC. -- not accepted
	Jussiaea octofila DC. -- not accepted
	Jussiaea suffruticosa var. octofila (DC.) Munz -- not accepted
	Kadua affinis DC. -- accepted
	Kalanchoe laciniata (L.) DC. -- accepted -- Christmastree plant
	Keerlia skirrhobasis DC. -- not accepted
	Kentranthus ruber (L.) DC. -- not accepted -- red valerian
	Kerria DC. -- accepted
	Kerria japonica (L.) DC. -- accepted -- Japanese rose
	Khaya anthotheca (Welw.) C. DC. -- accepted -- Nyasaland mahogany
	Kigelia DC. -- accepted -- sausage tree
	Kigelia pinnata (Jacq.) DC. -- not accepted
	Klugia notoniana (Wall.) A. DC. -- not accepted
	Klugia zeylanica A. DC. -- not accepted
	Koeleria brachystachya DC. -- not accepted
	Koeleria calycina (Loefl.) DC. & Lam. -- not accepted
	Koeleria glauca (Spreng.) DC. -- accepted
	Koeleria pennsylvanica (Spreng.) DC. -- not accepted
	Koellikeria erinoides (DC.) Mansf. -- not accepted
	Kohleria schiedeana (DC.) Hanst. -- not accepted
	Kopsia fruticosa (Roxb.) A. DC. -- accepted
	Korthalsella taeniodes (Comm. ex DC.) Engl. -- accepted -- bog korthal mistletoe, Kauai korthal mistletoe, Kaumahana, po'owaha
	Koyamacalia auriculata (DC.) H. Rob. & Brettell -- not accepted -- koyamacalia
	Krameria secundiflora auct. non DC. -- not accepted
	Krigia caespitosa var. gracilis (DC.) K.L. Chambers -- accepted -- Texas dwarfdandelion
	Krigia gracilis (DC.) Shinners -- not accepted
	Lacinaria squarrosa var. intermedia (Lunell) DC. -- not accepted
	Lactuca pulchell (Pursh) DC. -- not accepted
	Lactuca pulchella (Pursh) DC. -- not accepted -- blue lettuce
	Laennecia filaginoides DC. -- accepted -- Trans-Pecos marshtail
	Lagunaria (DC.) Rchb. -- accepted -- cow itch tree
	Lamarckia tenella DC. -- not accepted
	Landolphia heudelotii A. DC. -- accepted -- landolphia rubber
	Landolphia senegalensis (A. DC.) Kotschy & Peyr. -- not accepted
	Laothoe pomeridiana (DC.) Raf. -- not accepted
	Larrea divaricata ssp. tridentata (DC.) Felger & C.H. Lowe -- not accepted
	Larrea tridentata (DC.) Coville -- accepted -- creosote bush, creosotebush
	Larrea tridentata var. tridentata (DC.) Coville -- not accepted -- creosote bush, creosotebush
	Lasianthaea DC. -- accepted -- lasianthaea
	Lasthenia californica DC. ex Lindl. -- accepted -- California goldfields, goldfields
	Lasthenia californica ssp. californica DC. ex Lindl. -- accepted -- California goldfields
	Lasthenia glaberrima DC. -- accepted -- smooth goldfields
	Lasthenia gracilis (DC.) Greene -- accepted -- needle goldfields
	Lasthenia microglossa (DC.) Greene -- accepted -- smallray goldfields
	Lasthenia minor (DC.) Ornduff -- accepted -- coastal goldfields
	Lasthenia minor var. minor (DC.) Ornduff -- not accepted
	Lathyrus ochrus (L.) DC. -- accepted -- alverjana, Cyprus-vetch, ochrus-vetch, tapisote
	Lavandula vera DC. -- not accepted
	Lavoisiera DC. -- accepted
	Lavoisiera itambana DC. -- accepted
	Layia Hook. & Arn. ex DC. -- accepted -- tidytips
	Layia chrysanthemoides (DC.) A. Gray -- accepted -- smooth tidytips
	Layia chrysanthemoides ssp. chrysanthemoides (DC.) Gray -- not accepted -- smooth tidytips
	Layia gaillardioides (Hook. & Arn.) DC. -- accepted -- woodland tidytips
	Layia heterotricha (DC.) Hook. & Arn. -- accepted -- paleyellow tidytips
	Layia hieracioides (DC.) Hook. & Arn. -- accepted -- tall tidytips
	Leontodon latiloba (DC.) Britton -- not accepted
	Lepidium africanum (Burm. f.) DC. -- accepted -- African pepperwort
	Lepidium menziesii DC. -- not accepted
	Lepidium virginicum ssp. menziesii (DC.) Thell. -- accepted -- Menzies' pepperweed
	Lepidium virginicum var. menziesii (DC.) C.L. Hitchc. -- not accepted -- Menzies' pepperweed
	Leptoglottis nuttallii DC. ex Britton & Rose -- not accepted
	Leptosyne douglasii DC. -- not accepted
	Lespedeza hirta var. longifolia (DC.) Fernald -- not accepted
	Lespedeza longifolia DC. -- not accepted
	Lespedeza thunbergii (DC.) Nakai -- accepted -- Thunberg's lespedeza
	Lespedeza virgata (Thunb.) DC. -- accepted -- wand lespedeza
	Lespedeza X longifolia DC. (pro. sp.) -- accepted -- longleaf lespedeza
	Lessertia DC. -- accepted
	Lessertia microphylla (Burch. ex DC.) Goldblatt & J.C. Manning -- accepted
	Lessingia filaginifolia var. californica (DC.) M.A. Lane -- not accepted
	Leucaena esculenta (Sess� & Moc. ex DC.) Benth. -- accepted -- guaje
	Leucanthemum arcticum (L) DC -- not accepted
	Leucanthemum integrifolium (Richardson) DC. -- not accepted -- entireleaf daisy
	Leucanthemum ircutianum (Turcz.) DC. -- not accepted
	Leucanthemum maximum (Ramond) DC. -- accepted -- max chrysanthemum
	Leucanthemum vulgare ssp. ircutianum (DC.) Tzvelev -- not accepted
	Leucopterum parvifolium (DC.) Small -- not accepted
	Liatris graminifolia var. racemosa (DC.) Venard -- not accepted
	Liatris mucronata DC. -- not accepted -- cusp blazing star, narrowleaf gayfeather
	Liatris punctata var. mucronata (DC.) B.L. Turner -- accepted -- cusp blazing star, densespike blazing star
	Liatris spicata var. racemosa DC. -- not accepted -- dense blazing star
	Liebigia elongata (Blume) A. DC. -- not accepted
	Liebigia speciosa (Blume) DC. -- not accepted
	Limnosciadium pinnatum (DC.) Mathias & Constance -- accepted -- tansy dogshade
	Lipochaeta DC. -- accepted -- nehe
	Lipochaeta DC. -- not accepted
	Lipochaeta connata (Gaudich.) DC. -- accepted -- nehe
	Lipochaeta connata var. connata (Gaudich.) DC. -- accepted -- nehe
	Lipochaeta lavarum (Gaudich.) DC. -- not accepted -- coastal nehe
	Lipochaeta lobata (Gaudich.) DC. -- accepted -- shrubland nehe
	Lipochaeta lobata var. lobata (Gaudich.) DC. -- accepted -- shrubland nehe
	Lipochaeta succulenta (Hook. & Arn.) DC. -- accepted -- seaside nehe
	Lithospermum matamorense DC. -- accepted -- rough gromwell, rough stoneseed
	Lithospermum tuberosum Rugel ex DC. -- accepted -- tuberous gromwell, tuberous stoneseed
	Lobanilia Radcl.-Sm. -- accepted
	Lobanilia luteobrunnea (Baker) Radcl.-Sm. -- accepted
	Lobanilia ovalis (Baill.) Radcl.-Sm. -- accepted
	Lobelia appendiculata A. DC. -- accepted -- earflower lobelia, pale lobelia
	Lobelia appendiculata var. appendiculata A. DC. -- not accepted -- pale lobelia
	Lobelia assurgens var. portoricensis (A. DC.) Urb. -- not accepted
	Lobelia berlandieri A. DC. -- accepted -- Berlandier's lobelia
	Lobelia berlandieri ssp. berlandieri A. DC. -- accepted -- Berlandier's lobelia
	Lobelia berlandieri var. berlandieri A. DC. -- not accepted -- Berlandier's lobelia
	Lobelia boykinii Torr. & A. Gray ex A. DC. -- accepted -- Boykin's lobelia
	Lobelia brachypoda (A. Gray) A. DC. ex Small -- not accepted
	Lobelia brevifolia Nutt. ex A. DC. -- accepted -- shortleaf lobelia
	Lobelia gaudichaudii A. DC. -- accepted -- Koolau Range lobelia
	Lobelia gaudichaudii ssp. gaudichaudii A. DC. -- not accepted -- Koolau Range lobelia
	Lobelia laxiflora ssp. angustifolia (A. DC.) Eakes & Lammers -- accepted -- Sierra Madre lobelia
	Lobelia laxiflora var. angustifolia A. DC. -- not accepted -- Sierra Madre lobelia
	Lobelia leptostachys A. DC. -- not accepted
	Lobelia robusta var. portoricensis (A. DC.) McVaugh -- not accepted -- robust lobelia
	Lobelia rotundifolia Juss. ex A. DC. -- accepted -- roundleaf lobelia
	Lobelia siphilitica var. ludoviciana A. DC. -- accepted -- great blue lobelia
	Lobelia spicata var. leptostachys (A. DC.) Mack. & Bush -- not accepted -- palespike lobelia
	Lolium multiflorum var. muticum DC. -- not accepted
	Lonchocarpus domingensis (Turpin ex Pers.) DC. -- accepted -- geno geno
	Lonchocarpus heptaphyllus (Poir.) DC. -- accepted -- broadleaf lancepod
	Lonchocarpus latifolius Kunth ex DC. -- not accepted
	Lonchocarpus nicou (Aubl.) DC. -- not accepted -- barbasco
	Lonchocarpus pentaphyllus (Poir.) Kunth ex DC. -- not accepted -- broadleaf lancepod
	Lonchocarpus violaceus auct. non (Jacq.) Kunth ex DC. -- not accepted
	Lonicera ciliosa (Pursh) Poir. ex DC. -- accepted -- orange honeysuckle
	Lotononis (DC.) Eckl. & Zeyh. -- accepted
	Lotus hispidus Desf. ex DC. -- not accepted
	Lotus sessilifolius DC. -- accepted
	Lucuma multiflora A. DC. -- not accepted
	Lucuma nervosa A. DC. -- not accepted
	Lucya DC. -- accepted
	Ludwigia decurrens (DC.) Walter -- accepted -- wingleaf primrose-willow, wingleaf waterprimrose
	Ludwigia longifolia (DC.) H. Hara -- accepted -- longleaf primrose-willow
	Ludwigia octovalvis var. octofila (DC.) Alain -- not accepted
	Ludwigia palustris var. americana (DC.) Fernald & Griscom -- not accepted
	Luma apiculata (DC.) Burret -- not accepted
	Luzula DC. -- accepted -- wood rush, woodrush
	Luzula campestris (L.) DC. -- accepted -- field woodrush
	Luzula campestris var. campestris (L.) DC. -- not accepted -- field woodrush
	Luzula forsteri (Sm.) DC. -- accepted -- southern woodrush
	Luzula nivea (Nathh.) DC. -- accepted
	Luzula spadicea (All.) DC. -- not accepted
	Luzula spicata (L.) DC. -- accepted -- spiked wood-rush, spiked woodrush
	Luzula spicata var. spicata (L.) DC. -- not accepted
	Luzula sudetica auct. non (Willd.) DC. -- not accepted -- Sudetic Mountain woodrush
	Lycopodium obscurum var. dendroideum (Michx.) D.C. Eaton -- not accepted
	Lygodesma aphylla (Nutt.) D.C. -- not accepted
	Lygodesmia aphylla (Nutt.) DC. -- accepted -- rose rush
	Lyonia ligustrina (L.) DC. -- accepted -- he-huckleberry, maleberry, seedy-buckberry
	Lyonia ligustrina var. capreifolia (P. Watson) DC. -- not accepted
	Lyonia ligustrina var. ligustrina (L.) DC. -- accepted -- maleberry
	Lyonia ligustrina var. salicifolia (P. Watson) DC. -- not accepted
	Lythrum salicaria var. tomentosum (Mill.) DC. -- not accepted
	Lythrum salicaria var. vulgare DC. -- not accepted
	Maba madagascariensis A. DC. -- not accepted
	Macairea DC. -- accepted
	Macfadyena A. DC. -- accepted
	Machaeranthera gymnocephala auct. non (DC.) Shinners -- not accepted
	Machaeranthera kingii (D.C. Eaton) Cronquist & D.D. Keck -- not accepted
	Machaeranthera phyllocephala (DC.) Shinners -- not accepted -- camphor daisy
	Macrochlamys patrisii (DC.) Decne. -- not accepted
	Macromeria viridiflora DC. -- not accepted -- giant trumpets, giant-trumpets, gianttrumpets
	Macromeria viridiflora var. viridiflora DC. -- not accepted -- giant trumpets, giant-trumpets
	Macroptilium atropurpureum (DC.) Urb. -- accepted -- purple bush-bean, purple bushbean
	Macrorhynchus glaucus var. laciniatus D.C. Eaton -- not accepted
	Macrotyloma (Wight & Arn.) Verdc. -- accepted
	Macrotyloma axillare (E. Mey.) Verdc. -- accepted -- perennial horsegram
	Macrotyloma axillare var. axillare (E. Mey.) Verdc. -- accepted -- perennial horsegram
	Macrotyloma axillare var. glabrum (E. Mey.) Verdc. -- accepted -- perennial horsegram
	Macrotyloma tenuiflorum (Micheli) Verdc. -- accepted
	Macrotyloma uniflorum (Lam.) Verdc. -- accepted -- horsegram
	Macrozamia macdonnellii (F. Muell. ex Miq.) A. DC. -- accepted
	Macrozamia miquelii (F. Muell.) A. DC. -- accepted
	Macrozamia oldfieldii (Miq.) A. DC. -- not accepted
	Magnolia doltsopa (Buch.-Ham. ex DC.) Figlar -- accepted -- sweet michelia
	Magnolia kobus DC. -- accepted -- Kobus magnolia
	Malacothrix DC. -- accepted -- desert dandelion, desertdandelion, malacothrix
	Malacothrix californica DC. -- accepted -- California desert dandelion, California desertdandelion
	Malacothrix californica var. glabrata A. Gray ex D.C. Eaton -- not accepted
	Malacothrix floccifera (DC.) S.F. Blake -- accepted -- woolly desertdandelion, wooly desert dandelion
	Malacothrix glabrata (A. Gray ex D.C. Eaton) A. Gray -- accepted -- smooth desert dandelion, smooth desertdandelion
	Malpighia emarginata Sess� & Moc. ex DC. -- accepted -- Barbados cherry
	Malvaviscus arboreus var. penduliflorus (DC.) Schery -- not accepted
	Malvaviscus penduliflorus DC. -- accepted -- mazapan
	Mammillaria compressa DC. -- accepted
	Mammillaria compressa ssp. compressa DC. -- accepted
	Mammillaria conoidea DC. -- not accepted
	Mammillaria crinita DC. -- accepted
	Mammillaria crinita ssp. crinita DC. -- accepted
	Mammillaria elegans DC. -- not accepted
	Mammillaria elongata DC. -- accepted
	Mammillaria elongata ssp. echinaria (DC.) D.R. Hunt -- accepted
	Mammillaria elongata ssp. elongata DC. -- accepted
	Mammillaria glomerata DC. -- not accepted
	Mammillaria longimamma DC. -- accepted
	Mammillaria longimanna DC. -- not accepted
	Mammillaria octacantha DC. -- not accepted
	Mammillaria sempervivi DC. -- accepted
	Manilkara bidentata (A. DC.) A. Chev -- accepted -- bulletwood
	Mansoa DC. -- accepted -- garlicvine
	Mansoa hymenacea (DC.) A.H. Gentry -- not accepted -- membranous garlicvine
	Mansoa hymenaea (DC.) A.H. Gentry -- accepted -- membranous garlicvine
	Margaritopsis microdon (DC.) C.M. Taylor -- accepted
	Marginatocereus marginatus (DC.) Backeb. -- not accepted
	Marshallia caespitosa Nutt. ex DC. -- accepted -- puffballs, seep marshallia
	Marshallia caespitosa var. caespitosa Nutt. ex DC. -- not accepted -- puffballs
	Maruta cotula (L) DC -- not accepted
	Mascagnia macroptera (DC.) Nied. -- not accepted
	Matayba domingensis (DC.) Radlk. -- accepted -- negra lora
	Matricaria courrantiana DC. -- not accepted -- crown mayweed
	Matricaria discoidea DC. -- accepted -- disc mayweed, pineapple weed, pineappleweed
	Matthiola bicornis (Sibthorp & Sm.) DC. -- not accepted
	Matthiola longipetala (Vent.) DC. -- accepted -- night scented stock
	Medicago minima var. longiseta DC. -- not accepted
	Medicago praecox DC. -- accepted -- early medick, Mediterranean medick, small-leaved bur medick
	Meibomia incana (DC.) Vail -- not accepted
	Meibomia lineata (DC.) Kuntze -- not accepted
	Meibomia rotundifolia (DC.) Kuntze -- not accepted
	Melampodium cinereum DC. -- accepted -- hoary blackfoot, rockdaisy
	Melampodium cinereum var. cinereum DC. -- not accepted -- hoary blackfoot
	Melampodium cinereum var. ramosissimum (DC.) A. Gray -- not accepted -- hoary blackfoot
	Melampodium divaricatum (Rich.) DC. -- accepted -- boton de oro
	Melilotus gracilis DC. -- not accepted
	Melilotus leucanthus W.D.J. Koch ex DC. -- not accepted
	Melochia tomentosa var. frutescens (Jacq.) A. DC. -- not accepted
	Menodora heterophylla Moric. ex DC. -- accepted -- low menodora
	Mertensia lanceolata (Pursh) DC. -- accepted -- lanceleaf bluebells, prairie bluebells
	Mertensia lanceolata var. lanceolata (Pursh) DC. -- accepted -- prairie bluebells
	Mertensia pilosa (Cham.) DC. -- not accepted -- hairy bluebells
	Michelia doltsopa Buch.-Ham. ex DC. -- not accepted -- sweet michelia
	Miconia affinis DC. -- accepted -- saquiyac
	Miconia calvescens DC. -- accepted -- velvet tree
	Miconia impetiolaris (Sw.) D. Don ex DC. -- accepted -- camasey de costilla
	Miconia impetionlaris (Sw.) D. Don ex DC. -- not accepted
	Miconia lanata (DC.) Triana -- accepted -- hairy johnnyberry
	Miconia microcarpa DC. -- not accepted
	Miconia prasina (Sw.) DC. -- accepted -- granadillo bobo
	Miconia punctata (Desr.) D. Don ex DC. -- accepted -- auquey
	Miconia pyramidalis (Descr.) DC. -- accepted
	Miconia racemosa (Aubl.) DC. -- accepted -- camasey felpa
	Miconia rubiginosa (Bonpl.) DC. -- accepted -- peralejo
	Miconia serrulata (DC.) Naudin -- accepted -- jau jau
	Miconia thomasiana DC. -- accepted -- camasey tomaso
	Microcycas (Miq.) A. DC. -- accepted
	Microcycas calocoma (Miq.) A. DC. -- accepted
	Micropholis guyanensis (A. DC.) Pierre -- accepted -- wild balata
	Micropsis DC. -- accepted
	Microseris douglasii (DC.) Sch. Bip. -- accepted -- Douglas' silverpuffs
	Microseris douglasii ssp. douglasii (DC.) Sch. Bip. -- accepted -- Douglas' silverpuffs
	Microseris lindleyi (DC.) A. Gray -- not accepted
	Mikania badieri DC. -- not accepted
	Mikania batatifolia DC. -- accepted
	Mikania batatifolia auct. non DC. -- not accepted -- southern hempvine
	Mikania congesta DC. -- accepted -- guaco
	Mikania hookeriana DC. -- accepted
	Mikania hookeriana var. badieri (DC.) H. Rob. -- not accepted
	Mikania micrantha var. congesta (DC.) B.L. Rob. -- not accepted
	Milium velutinum DC. -- not accepted
	Miltitzia lutea (Hook. & Arn.) A. DC. -- not accepted
	Mimosa nuttallii (DC. ex Britton & Rose) B.L. Turner -- accepted -- catclaw sensitivebriar, Nuttall's sensitive-briar
	Mimosa quadrivalvis var. leptocarpa (DC.) Barneby -- not accepted -- fourvalve mimosa
	Mimosa quadrivalvis var. nuttallii (DC. ex Britton & Rose) L.S. Beard ex Barneby -- not accepted
	Mimulus guttatus DC. -- accepted -- common monkeyflower, seep monkeyflower
	Mimulus guttatus var. guttatus DC. -- not accepted
	Mimulus langsdorffii var. guttatus (DC.) Jeps. -- not accepted
	Mimulus langsdorfii var. guttatus (DC.) Jeps. -- not accepted
	Mimusops bidentata auct. non A. DC. -- not accepted
	Mimusops caffra E. Mey. ex A. DC. -- accepted
	Misodendrum Banks ex DC. -- accepted
	Misodendrum brachystachyum DC. -- accepted
	Mitracarpus hirtus (L.) DC. -- accepted -- tropical girdlepod
	Mitracarpus villosus (Sw.) Cham. & Schltdl. ex DC. -- not accepted
	Monolopia DC. -- accepted -- monolopia
	Monolopia major DC. -- accepted -- cupped monolopia
	Monotropa hypopithys var. americana (DC.) Domin -- not accepted
	Monotropa hypopitys var. americana (DC.) Domin -- not accepted
	Montezuma speciosissima DC. -- not accepted
	Montia parvifolia (Moc. ex DC.) Greene -- accepted -- littleleaf minerslettuce
	Montia parvifolia ssp. parvifolia (Moc. ex DC.) Greene -- not accepted -- littleleaf minerslettuce
	Moricandia DC. -- accepted
	Moricandia arvensis (L.) DC. -- accepted -- purple mistress
	Mucuna gigantea (Willd.) DC. -- accepted -- seabean
	Mucuna pruriens (L.) DC. -- accepted -- cowitch
	Mucuna pruriens var. pruriens (L.) DC. -- accepted -- cowitch
	Muhlenbergia microsperma (DC.) Trin. -- not accepted -- littleseed muhly
	Muhlenbergia microsperma (DC.) Kunth -- accepted
	Muhlenbergia polypogon (DC.) Kunth -- not accepted
	Mulgedium floridanum (L) DC -- not accepted
	Mundtia spinosa (L.) DC. -- not accepted
	Mundulea DC. ex Miq. -- accepted
	Muraltia DC. -- accepted
	Muscari racemosum (L.) Lam. & DC. -- not accepted
	Myrceugenia apiculata (DC.) Nied. -- not accepted -- Chilean myrtle
	Myrcia DC. ex Guill. -- accepted -- rodwood
	Myrcia amazonica DC. -- accepted
	Myrcia berberis DC. -- not accepted
	Myrcia deflexa (Poir.) DC. -- accepted -- cieneguillo
	Myrcia fallax (Rich.) DC. -- not accepted -- curame
	Myrcia leptoclada DC. -- not accepted -- guayabacon
	Myrcia splendens (Sw.) DC. -- accepted -- punchberry, spike milfoil
	Myrica gale var. tomentosa C. DC. -- not accepted
	Myriophyllum alteniflarum DC. -- not accepted
	Myriophyllum alterniflorum DC. -- accepted -- alternateflower watermilfoil
	Myriophyllum aquaticum (Vell.) Verdc. -- accepted -- Brazilian watermilfoil, parrot feather, parrot feather watermilfoil, parrot's-feather
	Myrsine cubana A. DC. -- not accepted -- Guianese colicwood
	Myrsine floridana A. DC. -- accepted -- Guianese colicwood
	Myrsine lessertiana A. DC. -- accepted -- kolea lau nui
	Myrsine sandwicensis A. DC. -- accepted -- kokea lau li'i
	Nabalus boottii DC. -- not accepted
	Nabalus crepidineus (Michx.) DC. -- not accepted
	Nabalus nanus (Bigelow) DC. -- not accepted
	Nabalus racemosus (Michx.) DC. -- not accepted
	Nabalus virgatus (Michx.) DC. -- not accepted
	Nasturtium microspermum DC. -- not accepted
	Nasturtium sarmentosum (G. Forst. ex DC.) Schinz & Guillaumin -- not accepted
	Negundo mexicanum DC. -- not accepted
	Nematanthus longipes DC. -- not accepted
	Neobuxbaumia polylopha (DC.) Backeb. -- accepted
	Neolloydia conoidea (DC.) Britton & Rose -- accepted -- Biznaga-c�nica, Chihuahuan beehive
	Nesogenes A. DC. -- accepted
	Neuroloma nudicaule (L.) DC. -- not accepted
	Nitella hyalina (Dc) Agardh -- accepted
	Noccaea cochleariformis (DC.) �. L�ve & D. L�ve -- not accepted
	Nonea lutea (Desr.) Rchb. ex DC. -- accepted -- yellow monkswort
	Nopalxochia phyllanthoides (DC.) Britton & Rose -- not accepted
	Notholaena californica D.C. Eaton -- accepted -- California cloak fern
	Notholaena californica ssp. californica D.C. Eaton -- accepted -- California cloak fern
	Notholaena lemmonii D.C. Eaton -- accepted -- Lemmon's cloak fern
	Notholaena newberryi D.C. Eaton -- not accepted
	Notholaena parryi D.C. Eaton -- not accepted
	Notopleura guadalupensis (DC.) C.M. Taylor -- accepted
	Notopleura guadalupensis ssp. guadalupensis (DC.) C.M. Taylor -- accepted
	Nuphar pumila (Timm) DC. -- not accepted
	Nymphaea ampla (Salisb.) DC. -- accepted -- dotleaf waterlily
	Nymphaea ampla var. ampla (Salisb.) DC. -- not accepted -- dotleaf waterlily
	Nymphaea ampla var. pulchella (DC.) Casp. -- not accepted -- dotleaf waterlily
	Nymphaea minor (Sims) DC. -- not accepted
	Nymphaea pulchella DC. -- not accepted
	Ochrosia mariannensis A. DC. -- accepted
	Ochrosia sandwicensis auct. non A. DC. -- not accepted
	Odostemon fascicularis (DC.) Abrams -- not accepted
	Oenanthe javanica (Blume) DC. -- accepted -- Java waterdropwort
	Oenanthe javanica ssp. javanica (Blume) DC. -- not accepted -- Java waterdropwort
	Oenanthe javanica ssp. stolonifera (Wall. ex DC.) Murata -- not accepted -- stolon waterdropwort
	Oenanthe sarmentosa C. Presl ex DC. -- accepted -- water parsley
	Oenanthe stolonifera Wall. ex DC. -- not accepted
	Oldenlandia boscii (DC.) Chapm. -- accepted -- Bosc's mille graines
	Oldenlandia lancifolia (Schumach.) DC. -- accepted -- calycose mille graines
	Oldenlandia salzmannii (DC.) Benth. & Hook. f. ex B.D. Jacks. -- accepted -- Salzmann's mille graines
	Oldenlandia strigulosa Bartl. ex DC. -- accepted
	Oligoneuron X lutescens (Lindl. ex DC.) G.L. Nesom -- not accepted
	Oligotrichum Lam. & DC. -- accepted -- oligotrichum moss
	Oligotrichum hercynicum (Hedw.) Lam. & DC. -- accepted -- oligotrichum moss
	Omalotheca supina (L) DC -- accepted -- alpine arctic cudweed
	Onobrychis arenaria (Kit.) DC. -- accepted
	Onobrychis arenaria ssp. arenaria (Kit.) DC. -- accepted
	Onosmodium bejariense DC. ex A. DC. -- accepted -- soft-hair marbleseed
	Onosmodium bejariense var. bejariense DC. ex A. DC. -- accepted -- soft-hair marbleseed
	Onosmodium molle ssp. bejariense (DC. ex A. DC.) Cochrane -- not accepted -- softhair marbleseed
	Onosmodium molle var. bejariense (DC. ex A. DC.) Cronquist -- not accepted
	Onosmodium virginianum (L.) A. DC. -- accepted -- wild Job's tears
	Opuntia cylindrica (Lam.) DC. -- not accepted
	Opuntia imbricata (Haw.) DC. -- not accepted -- Cholla coyonoxtle, tree cholla, walkingstick cholla
	Opuntia imbricata var. imbricata (Haw.) DC. -- not accepted -- tree cholla, walkingstick cholla
	Opuntia kleiniae DC. -- not accepted -- candle cholla, Cholla tasajillo macho, Klein pencil cholla
	Opuntia leptocaulis DC. -- not accepted -- Cholla alfilerillo, Christmas cactus, tesajo cactus
	Opuntia leucotricha DC. -- accepted -- arborescent pricklypear, Nopal duraznillo
	Opuntia rosea DC. -- not accepted
	Opuntia rubescens Salm-Dyck ex DC. -- not accepted -- sour pricklypear
	Ornithogalum fistulosum Ramond ex DC. -- not accepted
	Ortholoma anisophyllum (DC.) Wiehler -- not accepted
	Osmorhiza aristata var. brevistylis (DC.) B. Boivin -- not accepted
	Osmorhiza berteroi DC. -- accepted -- mountain sweetroot, sweet cicely, sweetcicely
	Osmorhiza longistylis (Torr.) DC. -- accepted -- aniseroot, longstyle sweetroot
	Ossaea DC. -- accepted
	Ossaea scabrosa (L.) DC. -- not accepted -- sevennerve roughleaf
	Ossaea scalpta (Vent.) DC. -- not accepted -- threenerve roughleaf
	Osteospermum ecklonis (DC.) Norl. -- accepted -- blue and white daisybush
	Osteospermum muricatum E. Mey. ex DC. -- accepted
	Osteospermum sinuatum (DC.) Norl. -- accepted -- glandular cape marigold
	Ouratea ilicifolia (DC.) Baill. -- accepted -- chicharron amarillo
	Oxalis corymbosa DC. -- not accepted
	Oxalis debilis var. corymbosa (DC.) Lourteig -- accepted -- pink woodsorrel
	Oxydendrum DC. -- accepted -- sourwood, swamp cranberry
	Oxydendrum arboreum (L.) DC. -- accepted -- lily-of-the-valley tree, sorrel tree, sourwood
	Oxyspora DC. -- accepted
	Oxyspora paniculata (D. Don) DC. -- accepted -- bristletips
	Oxytropis DC. -- accepted -- crazyweed, locoweed
	Oxytropis borealis DC. -- accepted -- boreal locoweed, northern crazyweed
	Oxytropis borealis var. borealis DC. -- accepted -- boreal locoweed
	Oxytropis campestris (L.) DC. -- accepted -- field locoweed, northern yellow locoweed, white smallflower pointloco
	Oxytropis campestris var. campestris (L.) DC. -- accepted
	Oxytropis deflexa (Pall.) DC. -- not accepted
	Oxytropis deflexa (Pall.) DC. -- accepted -- drooping pointloco, hangpod crazyweed, nodding crazyweed, nodding locoweed, pendant-pod locoweed
	Oxytropis deflexa var. deflexa (Pall.) DC. -- accepted -- pendantpod locoweed
	Oxytropis nigrescens (Pall.) Fisch. ex DC. -- accepted -- blackish oxytrope
	Oxytropis nigrescens var. nigrescens (Pall.) Fisch. ex DC. -- accepted -- blackish locoweed, blackish oxytrope
	Pachira fastuosa (Moc. & Sess� ex DC.) Decne. -- not accepted
	Pachycereus marginatus (DC.) Britton & Rose -- accepted
	Pachypodium bispinosum A. DC. -- accepted
	Pachypodium succulentum (L. f.) A. DC. -- accepted
	Pachyrhizus Rich. ex DC. -- accepted
	Pachyrhizus angulatus Rich. ex DC. -- not accepted
	Packera subnuda (DC.) D.K. Trock & T.M. Barkley -- accepted -- Buek's groundsel
	Packera subnuda var. subnuda (DC.) D.K. Trock & T.M. Barkley -- accepted
	Packera tampicana (DC.) C. Jeffrey -- accepted -- Great Plains ragwort
	Palafoxia texana DC. -- accepted -- Texas palafox
	Palafoxia texana var. texana DC. -- not accepted -- Texas palafox
	Palafoxia tripteris (DC.) Shinners -- not accepted
	Palicourea alpina (Sw.) DC. -- accepted -- tafetan
	Palicourea barbinervia DC. -- not accepted
	Palicourea domingensis (Jacq.) DC. -- accepted
	Palicourea guianensis ssp. barbinervia (DC.) Steyerm. -- accepted -- showy cappel
	Papaver microcarpum auct. non DC. -- not accepted
	Papaver nudicaule var. radicatum (Rottb.) DC. -- not accepted
	Papaver somniferum var. setigerum auct. non (DC.) Corb. -- not accepted
	Paraboea cordata (A. DC.) Ridley -- not accepted
	Parasenecio auriculata (DC.) J.R. Grant -- accepted -- eared Indian plantain
	Parathesis (A. DC.) Hook. f. -- accepted
	Parkia timoriana (DC.) Merr. -- accepted
	Parmentiera DC. -- accepted
	Parmentiera edulis DC. -- not accepted
	Parnassia grandifolia DC. -- accepted -- largeleaf grass of Parnassus
	Parnassia palustris var. parviflora (DC.) B. Boivin -- not accepted -- smallflower grass of Parnassus
	Parnassia parviflora DC. -- accepted -- smallflower grass of Parnassus
	Parosela domingensis (DC.) Millsp. -- not accepted
	Parrotia persica (DC.) C.A. Mey. -- accepted -- Persian ironwood
	Paspalum ciliare (Retz.) DC. -- not accepted
	Paspalum dubium DC. -- not accepted
	Paspalum leptostachyum DC. -- not accepted
	Paspalum velutinum (DC.) Kunth -- not accepted
	Passiflora berteriana Balb. ex DC. -- not accepted
	Passiflora berteroana Balb. ex DC. -- accepted -- pasionaria de cercas
	Passiflora foetida var. hispida (DC. ex Triana & Planch.) Killip -- accepted -- scarletfruit passionflower
	Pavonia burchellii (DC.) R.A. Dyer -- accepted
	Pectis angustifolia var. tenella (DC.) Keil -- accepted -- lemonscent
	Pectis tenella DC. -- not accepted
	Pectocarya DC. ex Meisn. -- accepted -- combbur, combseed
	Pectocarya linearis (Ruiz & Pav.) DC. -- accepted -- sagebrush combseed
	Pectocarya penicillata (Hook. & Arn.) A. DC. -- accepted -- shortleaf combseed, sleeping combseed, winged combseed
	Pectocarya pusilla (A. DC.) A. Gray -- accepted -- little combseed, purple prairieclover
	Pediocactus conoideus (DC.) Halda -- not accepted
	Pellaea andromedifolia var. pubescens D.C. Eaton -- not accepted
	Pellaea andromedifolia var. rubens D.C. Eaton -- not accepted
	Pellaea breweri D.C. Eaton -- accepted -- Brewer's cliffbrake
	Pellaea macronata (D.C. Eaton) D.C. Eaton -- not accepted
	Pellaea mucronata (D.C. Eaton) D.C. Eaton -- accepted -- birdfoot cliffbrake
	Pellaea mucronata ssp. mucronata (D.C. Eaton) D.C. Eaton -- accepted -- birdfoot cliffbrake
	Pellaea mucronata var. mucronata (D.C. Eaton) D.C. Eaton -- not accepted -- bird's-foot fern
	Peltophorum pterocarpa (DC.) Backer ex K. Heyne -- not accepted -- yellow poinciana
	Peltophorum pterocarpum (DC.) Backer ex K. Heyne -- accepted
	Pentagramma triangularis ssp. viscosa (D.C. Eaton) Yatsk., Windham & E. Wollenw. -- accepted -- silverback fern
	Pentaraphia cuneifolia (DC.) Hanst. -- not accepted
	Pentaraphia pedunculosa (DC.) Decne. -- not accepted
	Pentaraphia sloanei (DC.) Hanst. -- not accepted
	Pentzia sphaerocephala DC. -- accepted
	Peperomia cookiana C. DC. -- accepted -- weakstem peperomia
	Peperomia cookiana var. flavinervia (C. DC.) Yunck. -- not accepted
	Peperomia cookiana var. ovatilimba (C. DC.) Yunck. -- not accepted
	Peperomia cookiana var. pukooana (C. DC.) Yunck. -- not accepted
	Peperomia cornifolia C. DC. -- not accepted
	Peperomia eekana C. DC. -- accepted -- Mt. Eke peperomia
	Peperomia ellipticibacca C. DC. -- accepted -- Koolau Range peperomia
	Peperomia emarginella (Sw. ex Wikstr.) C. DC. -- accepted -- Guadeloupe peperomia
	Peperomia erythroclada C. DC. -- not accepted
	Peperomia expallescens C. DC. -- accepted -- swamp peperomia
	Peperomia globulanthera C. DC. -- accepted -- puu kuhui
	Peperomia hawaiensis C. DC. -- not accepted
	Peperomia helleri C. DC. -- not accepted
	Peperomia helleri var. knudsenii (C. DC.) Yunck. -- not accepted
	Peperomia hirtipetiola C. DC. -- accepted -- forest peperomia
	Peperomia hirtipetiola var. longilimba (C. DC.) Yunck. -- not accepted
	Peperomia hypoleuca var. pluvigaudens (C. DC.) Yunck. -- not accepted
	Peperomia koolauana C. DC. -- not accepted
	Peperomia liliifolia C. DC. -- not accepted
	Peperomia liliifolia var. nudilimba (C. DC.) Yunck. -- not accepted
	Peperomia liliifolia var. psilostigma (C. DC.) Yunck. -- not accepted
	Peperomia macraeana C. DC. -- accepted -- pinninerve peperomia
	Peperomia mariannensis C. DC. -- accepted
	Peperomia maunakeana C. DC. -- not accepted
	Peperomia maxonii C. DC. -- not accepted -- Maxon's peperomia
	Peperomia oahuensis C. DC. -- accepted -- Oahu peperomia
	Peperomia obovatilimba C. DC. -- accepted -- graceful peperomia
	Peperomia remyi C. DC. -- accepted -- valley peperomia
	Peperomia rigidilimba C. DC. -- not accepted
	Peperomia rigidolimba C. DC. -- not accepted
	Peperomia rockii C. DC. -- accepted -- Kahuaha Forest peperomia
	Peperomia sintenisii C. DC. -- not accepted -- Sintenis' peperomia
	Peperomia tetraphylla var. parvifolia (C. DC.) O. Deg. & I. Deg. -- not accepted
	Peperomia trichostigma C. DC. -- not accepted
	Peperomia yabucoana Urb. & C. DC. -- accepted -- viper peperomia
	Peplis diandra Nutt. ex DC. -- not accepted
	Pereskia bleo (Kunth) DC. -- accepted
	Pereskia horrida (Kunth) DC. -- accepted
	Pereskia horrida ssp. horrida (Kunth) DC. -- accepted
	Pereskia lychnidiflora DC. -- accepted
	Pereskia portulacifolia (L.) DC. -- accepted
	Pereskia zinniiflora DC. -- accepted
	Pereskiopsis opuntiiflora (DC.) Britton & Rose -- not accepted
	Pereskiopsis rotundifolia (DC.) Britton & Rose -- accepted
	Perezia microcephala (DC.) A. Gray -- not accepted
	Pericallis cuneata (DC.) Webb & Bethel. non (Roth) Webb & Bethel. -- not accepted
	Perideridia americana (Nutt. ex DC.) Rchb. -- accepted -- eastern yampah, Osage perideridia
	Peritoma DC. -- accepted -- bee-plant
	Peritoma multicaulis (DC.) Iltis -- accepted -- slender spiderflower
	Peritoma serrulata (Pursh) DC. -- accepted -- Rocky Mountain beeplant
	Phaedranthus buccinatorius (DC.) Miers -- not accepted
	Phalaris cylindrica DC. -- not accepted
	Phalaris intermedia var. microstachya (DC.) Vasey ex L.H. Dewey -- not accepted
	Phalaris intermedia var. microstachya (DC.) Vasey -- not accepted
	Phalaris microstachya DC. -- not accepted
	Phaseolus atropurpureus DC. -- not accepted
	Philadelphus inodorus var. laxus (Schrad. ex DC.) S.Y. Hu -- not accepted
	Philadelphus latifolius Schrad. ex DC. -- not accepted
	Phleum bertolonii DC. -- not accepted -- diploid timothy
	Phleum pratense ssp. bertolonii (DC.) Bornm. -- accepted
	Phleum pratense var. bertolonii (DC.) Woods -- not accepted
	Phoradendron berterianum (DC.) Griseb. -- not accepted
	Phoradendron berteroanum (DC.) Griseb. -- accepted -- Bertero's mistletoe
	Phoradendron hexastichum (DC.) Griseb. -- accepted -- tropical mistletoe
	Phoradendron mucronatum (DC.) Krug & Urb. -- accepted -- needletip mistletoe
	Phoradendron serotinum ssp. tomentosum (DC.) Kuijt -- accepted -- Christmas mistletoe
	Phoradendron tomentosum (DC.) Engelm. ex A. Gray -- not accepted -- bigleaf mistletoe, Christmas mistletoe, downy mistletoe
	Phoradendron tomentosum var. tomentosum (DC.) Engelm. ex A. Gray -- not accepted
	Photinia villosa (Thunb.) DC. -- accepted -- oriental photinia, Oriental photinia
	Phymaspermum parvifolium (DC.) Benth. & Hook. f. -- accepted
	Picradenia odorata (DC.) Britton -- not accepted
	Pictetia DC. -- accepted
	Pieris phillyreifolia (Hook.) DC. -- accepted -- climbing fetterbush
	Pieris phyllyreifolia (Hook.) DC. -- not accepted
	Pilocereus strictus (DC.) R�mpler -- not accepted
	Pilosocereus monoclonos (DC.) Byles & G.D. Rowley -- not accepted
	Piper angustilimbum C. DC. -- accepted
	Piper glabrescens (Miq.) C. DC. -- accepted -- Guyanese pepper
	Piper guahamense C. DC. -- accepted
	Piper guayranum C. DC. -- not accepted
	Piper lambeauense C. DC. -- accepted
	Piper mornicola C. DC. -- accepted
	Piper officinarum (Miq.) C. DC. -- not accepted
	Piper ponapense C. DC. -- accepted -- pepper
	Piper saltuum C. DC. -- not accepted
	Piper swartzianum (Miq.) C. DC. -- accepted -- Spanish elder
	Piper trigonum C. DC. -- accepted
	Piper wydlerianum (Miq.) C. DC. -- not accepted
	Piriqueta caroliniana var. glabra (DC.) Urb. -- not accepted
	Pityrogramma triangularis var. viscosa (D.C. Eaton) Weath. -- not accepted
	Pityrogramma viscosa (D.C. Eaton) Maxon -- not accepted
	Plantago major ssp. intermedia (DC.) Arcang. -- not accepted
	Plantago major var. intermedia (DC.) Pilg. -- not accepted -- intermediate plantain
	Platycodon A. DC. -- accepted
	Platycodon grandiflorum (Jacq.) A. DC. -- not accepted -- balloon flower
	Platycodon grandiflorus (Jacq.) A. DC. -- accepted -- balloon-flower, Chinese-bellflower
	Plectritis (Lindl.) DC. -- accepted -- seablush
	Plectritis congesta (Lindl.) DC. -- accepted -- shortspur seablush
	Plectritis congesta ssp. congesta (Lindl.) DC. -- accepted -- shortspur seablush
	Plectritis samolifolia (DC.) H�ck -- not accepted
	Pleioblastus auricomus (Mitford) D.C. McClint. -- not accepted
	Pleioblastus chrysanthus (Mitford ex Bean) D.C. McClint. -- accepted
	Pleiotaenia nuttallii (DC.) J.M. Coult. & Rose -- not accepted
	Pluchea camphorata (L) DC -- accepted -- camphor pluchea, camphor weed
	Pluchea cortesii (Kunth) DC. -- not accepted
	Pluchea foetida (L) DC -- accepted -- stinking camphorweed
	Pluchea foetida var. foetida (L) DC -- not accepted -- stinking camphorweed
	Pluchea purpurascens (Sw.) DC. -- not accepted
	Pluchea quitoc DC. -- not accepted
	Podospermum laciniatum (L) DC -- not accepted
	Pohlia camptotrachela var. bulbifera (Lam. & DC.) Wijk & Marg. -- not accepted
	Poitea paucifolia (DC.) Lavin -- accepted -- retama
	Polanisia dodecandra (L.) DC. -- accepted -- clammyweed, red-whisker clammyweed, redwhisker clammyweed, roughseed clammyweed
	Polanisia dodecandra ssp. dodecandra (L.) DC. -- accepted -- polanisie � douze �tamines sous-esp�ce � douze �tamines, red-whisker clammyweed, redwhisker clammyweed
	Polanisia uniglandulosa (Cav.) DC. -- accepted -- Mexican clammyweed
	Polanisia viscosa (L.) DC. -- not accepted
	Polycarpon alsinifolium (Biv.) DC. -- accepted -- fourleaf manyseed
	Polygala crotalarioides Buch.-Ham. ex DC. -- accepted
	Polygala crucianelloides DC. -- accepted -- Caribbean milkwort
	Polygala nana (Michx.) DC. -- accepted -- candyroot
	Polypodium californicum var. kaulfussii D.C. Eaton -- not accepted
	Polypodium glycyrrhiza D.C. Eaton -- accepted -- licorice fern
	Polystichum californicum (D.C. Eaton) Diels -- accepted -- California swordfern
	Polystichum imbricans (D.C. Eaton) D.H. Wagner -- accepted -- narrowleaf swordfern
	Polystichum imbricans ssp. imbricans (D.C. Eaton) D.H. Wagner -- accepted -- narrowleaf swordfern
	Polystichum mohrioides var. scopulinum (D.C. Eaton) Fernald -- not accepted
	Polystichum munitum ssp. imbricans (D.C. Eaton) Munz -- not accepted
	Polystichum munitum ssp. nudatum (D.C. Eaton) Ewan -- not accepted
	Polystichum munitum var. imbricans (D.C. Eaton) Maxon -- not accepted
	Polystichum munitum var. incisoserratum (D.C. Eaton) Underw. -- not accepted
	Polystichum scopulinum (D.C. Eaton) Maxon -- accepted -- Eaton's hollyfern, mountain hollyfern, polystic des rochers
	Polytaenia DC. -- accepted -- hairy moss
	Polytaenia nuttallii DC. -- accepted -- Nuttall's prairie parsley, prairie parsley
	Poponax macracanthoides (Bertero ex DC.) Britton & Rose -- not accepted
	Porophyllum macrocephalum DC. -- not accepted
	Porophyllum ruderale ssp. macrocephalum (DC.) R.R. Johnson -- accepted -- yerba porosa
	Porophyllum ruderale var. macrocephalum (DC.) Cronquist -- not accepted
	Potentilla recta var. sulphurea (Lam. & DC.) Peyr. -- not accepted
	Pouteria multiflora (A. DC.) Eyma -- accepted -- bullytree
	Prenanthes boottii (DC.) A. Gray -- accepted -- alpine rattlesnakeroot
	Prestonia exserta (A. DC.) Standl. -- accepted
	Prosopis juliflora auct. non (Sw.) DC. -- not accepted
	Prosopis juliflora (Sw.) DC. -- accepted -- mesquite
	Prosopis juliflora var. juliflora (Sw.) DC. -- not accepted -- mesquite
	Prosopis torquata (Cav. ex Lag.) DC. -- accepted -- mesquite
	Prunella vulgaris var. parviflora (Poir.) DC. -- not accepted
	Prunus dulcis var. amara (DC.) Buchheim -- not accepted
	Pseudognaphalium attenuatum (DC.) Anderb. -- accepted -- tapered cudweed
	Pseudognaphalium brachypterum (DC.) Anderb. -- accepted
	Pseudognaphalium californicum (DC.) Anderb. -- accepted -- ladies' tobacco
	Pseudognaphalium canescens (DC.) W.A. Weber -- accepted -- pseudognaphalium, Wright's cudweed
	Pseudognaphalium canescens ssp. canescens (DC.) W.A. Weber -- accepted -- cudweed, everlasting, Wright's cudweed
	Psilocarphus tenellus var. globiferus (Bertero ex DC.) Morefield -- not accepted -- slender woollyheads
	Psilostrophe DC. -- accepted -- paperflower
	Psilostrophe gnaphaliodes DC. -- not accepted
	Psilostrophe gnaphalioides DC. -- accepted -- cudweed paperflower, dudweed
	Psophocarpus Neck. ex DC. -- accepted
	Psophocarpus tetragonolobus (L.) DC. -- accepted -- winged bean
	Psoralea dentata DC. -- not accepted
	Psoralea macrostachya DC. -- not accepted
	Psychotria berteriana DC. -- not accepted -- cachimbo-cumun
	Psychotria berteroana DC. -- accepted
	Psychotria deflexa DC. -- accepted -- nodding wild coffee
	Psychotria guadalupensis (DC.) Howard -- not accepted -- Guadalupe wild coffee
	Psychotria guadalupensis ssp. guadalupensis (DC.) Howard -- not accepted -- Guadalupe wild coffee
	Psychotria microdon (DC.) Urb. -- not accepted -- thicket wild coffee
	Psychotria portoricensis DC. -- not accepted
	Psychotria revoluta DC. -- accepted -- curl-leaf wild coffee
	Psychrophila leptosepala (DC.) W.A. Weber -- not accepted
	Pterocarya stenoptera C. DC. -- accepted -- Chinese wingnut
	Pterocaulon alopecuroideum (Lam.) DC. -- not accepted
	Pterocaulon alopecuroidies (Lam.) DC. -- accepted -- fox-tail blackroot
	Pterocaulon virgatum (L) DC -- accepted -- wand blackroot
	Pterolepis (DC.) Miq. -- accepted -- meadowbeauty
	Ptilimnium nuttallii (DC.) Britton -- accepted -- laceflower, Nuttall's mockbishopweed
	Pueraria DC. -- accepted -- kudzu
	Pulsatilla nuttalliana (DC.) Spreng. -- not accepted
	Purshia DC. ex Poir. -- accepted -- bitterbrush, cliffrose
	Purshia tridentata (Pursh) DC. -- accepted -- antelope bitterbrush
	Purshia tridentata var. tridentata (Pursh) DC. -- accepted -- antelope bush
	Putoria calabrica DC. -- not accepted
	Pyrola asarifolia var. incarnata (DC.) Fernald -- not accepted
	Pyrrhopappus DC. -- accepted -- desert chicory, desert-chicory, desertchicory
	Pyrrhopappus carolinianus (Walter) DC. -- accepted -- Carolina desert chicory, Carolina desert-chicory, Carolina false dandelion, Carolina false-dandelion
	Pyrrhopappus carolinianus var. carolinianus (Walter) DC. -- not accepted -- Carolina desertchicory
	Pyrrhopappus multicaulis DC. -- not accepted
	Pyrrhopappus multicaulis var. multicaulis DC. -- not accepted -- desertchicory
	Pyrrhopappus pauciflorus (D. Don) DC. -- accepted -- desert chicory, desertchicory, manystemmed false-dandelion, smallflower desert-chicory
	Pyrrhopappus scaposus DC. -- not accepted
	Pyrus americana (Marshall) DC. -- not accepted
	Pyrus salviifolia DC. -- not accepted
	Pyrus sativa DC. -- not accepted
	Quadrella (DC.) J. Presl -- accepted
	Quercus novomexicana (A. DC.) Rydb. -- not accepted
	Quercus utahensis (A. DC.) Rydb. -- not accepted
	Quercus wislizeni A. DC. -- accepted -- interior live oak
	Quercus wislizeni var. wislizeni A. DC. -- not accepted -- interior live oak
	Quercus wislizenii A. DC. -- not accepted -- interior live oak
	Quercus wislizenii var. wislizenii A. DC. -- not accepted
	Quercus X runcinata (A. DC.) Engelm. -- accepted -- oak
	Quercus X tridentata (Engelm. ex A. DC.) Trel. (pro sp.) -- accepted -- tridentata oak
	Quintilia caerulea (Blume) DC. -- not accepted
	Railliardia ciliolata DC. -- not accepted
	Ramonda scapigera DC. -- not accepted
	Ranunculus aquatilis var. capillaceus (Thuill.) DC. -- not accepted
	Ranunculus arvensis var. tuberculatus (DC.) Koch -- not accepted
	Ranunculus carolinianus DC. -- not accepted
	Ranunculus gmelini DC. -- not accepted
	Ranunculus gmelini var. gmelini DC. -- not accepted
	Ranunculus gmelinii DC. -- accepted -- Gmelin's buttercup, lesser yellow water buttercup, small yellow water buttercup
	Ranunculus gmelinii var. gmelinii DC. -- not accepted -- Gmelin's buttercup
	Ranunculus kamchaticus DC. -- accepted -- Kamchatka buttercup
	Ranunculus kamtschaticus DC. -- not accepted
	Ranunculus nelsonii (DC.) A. Gray -- not accepted
	Ranunculus occidentalis ssp. nelsonii (DC.) Hult�n -- not accepted
	Ranunculus occidentalis var. nelsonii (DC.) L.D. Benson -- accepted -- Nelson's buttercup
	Ranunculus petiolaris Kunth ex DC. -- accepted -- Latin American buttercup
	Ranunculus petiolaris var. petiolaris Kunth ex DC. -- not accepted
	Ranunculus plebeius R. Br. ex DC. -- accepted -- common Australian buttercup
	Ranunculus recurvatus var. nelsonii DC. -- not accepted
	Ranunculus repens var. erectus DC. -- not accepted
	Ranunculus repens var. glabratus DC. -- not accepted -- creeping buttercup
	Ranunculus repens var. linearilobus DC. -- not accepted
	Ranunculus reptans var. filiformis (Michx.) DC. -- not accepted
	Rapistrum rugosum var. venosum (Pers.) DC. -- not accepted -- annual bastardcabbage
	Ratibida columnaris var. pulcherrima (DC.) D. Don -- not accepted
	Ratonia domingensis DC. -- not accepted
	Rauvolfia lamarckii A. DC. -- not accepted
	Rauvolfia sandwicensis A. DC. -- accepted -- devil's-pepper
	Rauvolfia sandwicensis var. sandwicensis A. DC. -- not accepted -- hao
	Rayjacksonia phyllocephala (DC.) R.L. Hartm. & M.A. Lane -- accepted -- camphor daisy
	Rechsteineria polyantha (DC.) Kuntze -- not accepted
	Rechsteineria vargasii (DC.) Kuntze -- not accepted
	Rechsteineria vauthieri (DC.) Kuntze -- not accepted
	Rhabdadenia sagraei (A. DC.) M�ll. Arg. -- not accepted
	Rhamnus purshiana DC. -- accepted -- Cascara buckthorn, Pursh's buckthorn
	Rhipsalis baccifera ssp. mauritiana (DC.) Barthlott -- accepted
	Rhipsalis micrantha DC. -- accepted
	Rhodocactus lychnidiflorus (DC.) F.M. Knuth -- not accepted
	Rhodocactus zinniiflorus (DC.) F.M. Knuth -- not accepted
	Rhodomyrtus (DC.) Rchb. -- accepted
	Rhus copallina var. leucantha (Jacq.) DC. -- not accepted -- southern sumac
	Rhus copallinum var. leucantha (Jacq.) DC. -- not accepted -- shining sumac, winged sumac
	Rhus radicans var. vulgaris (Michx.) DC. -- not accepted
	Rhus vernicifera DC. -- not accepted
	Rhynchoglossum blumei A. DC. -- not accepted
	Rhynchoglossum obliquum (Wall.) A. DC. -- not accepted
	Rhynchoglossum obliquum var. intermedium (Benth.) DC. -- not accepted
	Rhynchoglossum rheedei A. DC. -- not accepted
	Rhynchosia caribaea (Jacq.) DC. -- accepted -- Caribbean snoutbean
	Rhynchosia densiflora (Roth) DC. -- accepted
	Rhynchosia densiflora ssp. chrysadenia (Taub.) Verdc. -- accepted
	Rhynchosia difformis (Elliott) DC. -- accepted -- doubleform snoutbean
	Rhynchosia erecta (Walter) DC. -- not accepted
	Rhynchosia minima (L.) DC. -- accepted -- least snoutbean
	Rhynchosia parvifolia DC. -- accepted -- small-leaf snoutbean
	Rhynchosia phaseoloides (Sw.) DC. -- accepted -- crabseye
	Rhynchosia precatoria DC. -- accepted -- rosary snoutbean
	Rhynchosia reniformis DC. -- accepted -- dollarleaf
	Rhynchosia reticulata (Sw.) DC. -- accepted -- habilla
	Rhynchosia totta (Thunb.) DC. -- accepted -- snoutbean
	Rhynchotechum ellipticum (Wall. ex Dietrich) A. DC. -- accepted
	Rhynchotechum ellipticum var. ellipticum (Wall. ex Dietrich) A. DC. -- accepted
	Rhytidophyllum auriculatum var. plumerianum (DC.) Urb. -- not accepted
	Rhytidophyllum crenulatum DC. -- accepted
	Rhytidophyllum petiolare DC. -- accepted
	Rhytidophyllum plumerianum DC. -- not accepted
	Ribes aureum var. villosum DC. -- accepted -- clove currant, golden currant
	Ribes uva-crispa var. sativum DC. -- not accepted -- European gooseberry
	Riedlea hirsuta (Cav.) DC. -- not accepted
	Riocreuxia chrysochroma (H. Huber) Radcl.-Sm. -- accepted
	Robinia hispida var. nana (Elliott) DC. -- accepted -- bristly locust
	Rochefortia acanthophora (DC.) Griseb. -- accepted -- greenheart ebony
	Roemeria refracta DC. -- accepted -- spotted Asian poppy
	Roettlera mollis (Wall. ex A. DC.) Kuntze -- not accepted
	Rollinia orthopetala A. DC. -- not accepted
	Rollinia pulchrinervia A. DC. -- not accepted
	Rollinia pulchrinervis A. DC. -- not accepted -- biriba
	Rondeletia microdon DC. -- not accepted
	Rorippa barbareifolia (DC.) Kitag. -- accepted -- hoary yellowcress
	Rorippa hispida var. barbareifolia (DC.) Hult�n -- not accepted
	Rorippa islandica var. barbareifolia (DC.) S.L. Welsh -- not accepted
	Rorippa microsperma (DC.) L.H. Bailey -- not accepted
	Rorippa sarmentosa (G. Forst. ex DC.) J.F. Macbr. -- accepted -- longrunner
	Rosa myriacantha DC. -- not accepted
	Rosa nivea DC. -- not accepted
	Rubia walteri DC. -- not accepted
	Rubus canescens DC. -- accepted
	Rudbeckia glabra DC. -- not accepted
	Rudbeckia grandiflora (D. Don) J.F. Gmel. ex DC. -- accepted -- rough coneflower
	Rudbeckia grandiflora var. grandiflora (D. Don) J.F. Gmel. ex DC. -- accepted -- rough coneflower
	Rumex cristatus DC. -- accepted -- Greek dock
	Rumex longifolius DC. -- accepted -- door-yard dock, dooryard dock
	Saba senegalensis (A. DC.) Pichon -- accepted -- Senegal saba
	Sabinea DC. -- not accepted
	Sabinea florida (Vahl) DC. -- not accepted -- wattapama
	Sagraea DC. -- accepted -- hogwood
	Sagraea domingensis DC. -- not accepted -- woodland hogwood
	Sagraea umbrosa (Sw.) DC. -- not accepted -- white hogwood
	Sairocarpus coulterianus (Benth. ex A. DC.) D.A. Sutton -- accepted -- Coulter's snapdragon
	Sairocarpus nuttallianus (Benth. ex A. DC.) D.A. Sutton -- accepted -- violet snapdragon, violet toad's-mouth
	Salmalia malabarica (DC.) Schott & Endl. -- not accepted
	Salmea DC. -- accepted -- bejuco de miel
	Salmea scandens (L) DC -- accepted -- bejuco de miel
	Salomonia ciliata (L.) DC. -- accepted
	Salpiglossis erecta (DC.) D'Arcy -- not accepted
	Sambucus caerulea var. mexicana (C. Presl ex DC.) L.D. Benson -- not accepted
	Sambucus cerulea var. mexicana (C. Presl ex DC.) L.D. Benson -- not accepted
	Sambucus mexicana C. Presl ex DC. -- not accepted -- Mexican elder
	Sambucus racemosa var. laciniata W.D.J. Koch ex DC. -- not accepted
	Sanicula crassicaulis Poepp. ex DC. -- accepted -- Pacific blacksnakeroot
	Sanicula crassicaulis var. crassicaulis Poepp. ex DC. -- accepted -- Pacific blacksnakeroot
	Sanicula graveolens Poepp. ex DC. -- accepted -- northern sanicle, Sierra sanicle
	Sanvitalia ocymoides DC. -- accepted -- yellow creeping zinnia
	Sarracenia flava var. rugelii (Shuttlew. ex A. DC.) Mast. -- accepted
	Saussurea DC. -- accepted -- saw-wort
	Saussurea alpina (L) DC -- not accepted -- alpine sawwort
	Saussurea amara (L) DC -- accepted -- saussurea
	Saussurea amara var. amara (L) DC -- accepted
	Saussurea americana D.C. Eaton -- accepted -- American saw-wort
	Saussurea angustifolia (Willd.) DC. -- accepted -- narrowleaf saw-wort
	Saussurea angustifolia var. angustifolia (Willd.) DC. -- accepted -- narrowleaf saw-wort
	Schinziophyton Hutch. ex Radcl.-Sm. -- accepted
	Schinziophyton rautanenii (Schinz) Radcl.-Sm. -- accepted -- manketti
	Schivereckia Andrz. ex DC. -- accepted
	Schkuhria anthemoidea (DC.) J.M. Coult. -- not accepted -- Wright's false threadleaf
	Schkuhria anthemoidea var. anthemoidea (DC.) J.M. Coult. -- not accepted -- Wright's false threadleaf
	Schrankia leptocarpa DC. -- not accepted
	Schrankia nuttallii (DC. ex Britton & Rose) Standl. -- not accepted
	Schrankia nuttallii var. nuttallii (DC. ex Britton & Rose) Standl. -- not accepted -- Nuttall's sensitive briar
	Securigera DC. -- accepted
	Sedum anopetalum DC. -- not accepted
	Sedum dendroideum Moceno & Sess� ex A. DC. -- accepted -- tree stonecrop
	Sedum praealtum DC. -- accepted -- green cockscomb
	Selaginella mutica D.C. Eaton ex Underw. -- accepted -- bluntleaf spikemoss
	Selaginella mutica var. mutica D.C. Eaton ex Underw. -- accepted -- bluntleaf spikemoss
	Selaginella oregana D.C. Eaton -- accepted -- Oregon spikemoss
	Selenicereus extensus (Salm-Dyck ex DC.) Leuenb. -- not accepted
	Selenicereus setaceus (Salm-Dyck ex DC.) Werderm. -- not accepted
	Selenicereus spinulosus (DC.) Britton & Rose -- accepted -- nightblooming cereus, Pitayita-nocturna espinosa, vinelike moonlight cactus
	Senecio aronicoides DC. -- accepted -- rayless ragwort
	Senecio bicolor ssp. cineraria (DC.) Chater -- not accepted -- silver ragwort
	Senecio californicus DC. -- accepted -- California ragwort
	Senecio cineraria DC. -- not accepted
	Senecio congestus (R. Br.) DC. -- not accepted -- clustered marsh ragwort, marsh fleabane
	Senecio cruentus DC. -- not accepted
	Senecio douglasii DC. -- not accepted
	Senecio flaccidus var. douglasii (DC.) B.L. Turner & T.M. Barkley -- accepted -- Douglas' groundsel, Douglas' ragwort, Douglas' senecio
	Senecio flocciferus DC. -- not accepted
	Senecio lucidus (Sw.) DC. -- not accepted
	Senecio petasitis (Sims) DC. -- not accepted
	Senecio salignus DC. -- not accepted -- willow ragwort
	Senecio silignus DC. -- not accepted
	Senecio subnudus DC. -- not accepted
	Senecio tampicanus DC. -- not accepted -- Great Plains ragwort
	Senegalia westiana (DC.) Britton & Rose -- not accepted
	Senna artemisioides (Gaudich. ex DC.) Randell -- accepted -- silver senna
	Senna glutinosa (DC.) Randell -- accepted
	Senna macranthera (DC. ex Collad.) H.S. Irwin & Barneby -- accepted
	Senna spectabilis (DC.) H.S. Irwin & Barneby -- accepted -- casia amarilla
	Senna spectabilis var. spectabilis (DC.) H.S. Irwin & Barneby -- not accepted -- casia amarilla
	Senna sulfurea (DC. ex Collad.) H.S. Irwin & Barneby -- not accepted -- smooth senna
	Senna surattensis ssp. sulfurea (DC. ex Collad.) Randell -- accepted -- smooth senna
	Sida acuminata DC. -- not accepted
	Sidalcea malviflora (DC.) A. Gray ex Benth. -- accepted -- dwarf checkerbloom
	Sidalcea malviflora ssp. malviflora (DC.) A. Gray ex Benth. -- accepted -- dwarf checkerbloom
	Sidastrum acuminatum (DC.) Fryxell -- not accepted
	Silene acaulis var. exscapa (All.) DC. -- not accepted -- moss campion
	Silene coniflora Nees ex DC. -- accepted -- manynerve catchfly
	Silphium asteriscus var. laevicaule DC. -- not accepted -- starry rosinweed
	Simarouba glauca DC. -- accepted -- bitter ash, bitter damson, bitterwood, paradise tree, paradise-tree, paradisetree
	Simsia lagasceiformis DC. -- accepted -- annual bush sunflower, annual bushsunflower
	Sinningia polyantha (DC.) Wiehler -- not accepted
	Sisymbrium officinale var. leiocarpum DC. -- not accepted -- hedge mustard, hedgeweed
	Sitilias multicaulis (DC.) Greene -- not accepted
	Sloanea berteriana Choisy ex DC. -- not accepted -- bullwood
	Sloanea berteroana Choisy ex DC. -- accepted -- bullwood
	Smilax bona-nox var. hastata (Willd.) A. DC. -- not accepted
	Smilax californica (A. DC.) A. Gray -- accepted -- California greenbrier
	Smilax herbacea var. lasioneura (Hook.) A. DC. -- not accepted
	Solanum boldoense Dunal & A. DC. -- accepted
	Solidago canadensis var. lepida (DC.) Cronquist -- not accepted -- Canada goldenrod
	Solidago canadensis var. subserrata (DC.) Cronquist -- not accepted
	Solidago decemflora DC. -- not accepted
	Solidago leiocarpa DC. in DC. & A. DC. -- accepted -- Cutler's alpine goldenrod
	Solidago lepida DC. -- accepted -- Canada goldenrod
	Solidago lepida ssp. lepida DC. -- accepted
	Solidago lepida var. lepida DC. -- accepted -- Canada goldenrod
	Solidago multiradiata var. arctica (DC.) Fernald -- not accepted -- arctic goldenrod
	Solidago nemoralis ssp. decemflora (DC.) Brammall -- accepted -- gray goldenrod
	Solidago nemoralis var. decemflora (DC.) Fernald -- not accepted
	Solidago rotundifolia DC. -- not accepted
	Solidago simplex ssp. simplex var. spathulata (DC.) Cronquist -- not accepted
	Solidago simplex var. spathulata (DC.) Cronq. -- not accepted -- Mt. Albert goldenrod
	Solidago spathulata DC. -- accepted -- coast goldenrod, Mt. Albert goldenrod
	Solidago spathulata ssp. spathulata DC. -- not accepted
	Solidago spathulata var. spathulata DC. -- not accepted -- coastaldune goldenrod
	Solidago spectabilis (D.C. Eaton) A. Gray -- accepted -- Nevada goldenrod
	Solidago spectabilis var. spectabilis (D.C. Eaton) A. Gray -- accepted -- Nevada goldenrod
	Solidago uniligulata (DC.) Porter -- not accepted
	Solidago velutina DC. -- accepted -- sparse goldenrod, three-nerve goldenrod, threenerve goldenrod
	Solidago velutina ssp. velutina DC. -- accepted
	Solidago virgauera var. arctica DC. -- not accepted
	Solidago X lutescens (Lindl. ex DC.) B. Boivin -- accepted
	Soliva nasturtiifolia auct. non (Juss.) DC. -- not accepted
	Sophora secundiflora (Ortega) Lag. ex DC. -- not accepted -- mescal bean, mescalbean
	Sophora secuniflora (Ortega) Lag. ex DC. -- not accepted
	Sorghum saccharoides var. laguroides (DC.) Kuntze -- not accepted
	Specularia perfoliata (L.) A. DC. -- not accepted
	Spergularia marginata (DC.) Kitt. -- not accepted
	Spermacoce densiflora (DC.) Alain -- accepted -- bouquet false buttonweed
	Spermacoce repens auct. non (DC.) Sess� & Moc. -- not accepted -- creeping false buttonweed
	Spermolepis echinata (Nutt. ex DC.) A. Heller -- accepted -- bristly scaleseed, bristly-fruit scaleseed
	Spermolepis inermis (Nutt. ex DC.) Mathias & Constance -- accepted -- Red River scaleseed
	Spermolepis patens (Nutt. ex DC.) B.L. Rob. -- not accepted
	Sphaeromeria cana (D.C. Eaton) A. Heller -- accepted -- gray chickensage, gray tansey
	Sphaeromeria diversifolia (D.C. Eaton) Rydb. -- accepted -- separateleaf chickensage
	Sphaerophysa DC. -- accepted
	Sphaerophysa salsula (Pall.) DC. -- accepted -- alkali swainsonpea, Austrian peaweed, red bladder-vetch, Swainsonpea
	Sphagnum compactum DC. in Lam. & DC. -- accepted -- low sphagnum
	Sphenoclea pongatium DC. -- not accepted
	Spigelia gentianoides Chapm. ex A. DC. -- accepted -- gentian pinkroot, purple flower pink root, purpleflower pinkroot
	Spigelia gentianoides var. gentianoides Chapm. ex A. DC. -- accepted -- purpleflower pinkroot
	Spigelia hedyotidea A. DC. -- accepted -- prairie pinkroot
	Spigelia loganioides (Torr. & A. Gray ex Endl. & Fenzl) A. DC. -- accepted -- Florida pinkroot
	Spigelia texana (Torr. & A. Gray) A. DC. -- accepted -- Texas pinkroot
	Spilanthes americana var. stolonifera (DC.) A.H. Moore -- not accepted
	Spilanthes stolonifera DC. -- not accepted
	Stenactis strigosa (Muhl. ex Willd.) DC. -- not accepted
	Stenocactus crispatus (DC.) A. Berger -- accepted
	Stenocactus obvallatus (DC.) A. Berger -- accepted
	Stenocereus marginatus (DC.) A. Berger & Buxb. -- not accepted
	Stenostomum acutatum DC. -- accepted
	Stenotopsis linearifolia (DC.) Rydb. -- not accepted
	Stenotus acaulis var. glabratus (D.C. Eaton) Kartesz & Gandhi -- not accepted -- stemless mock goldenweed
	Stephanomeria exigua ssp. pentachaeta D.C. Eaton -- not accepted
	Stephanomeria exigua var. pentachaeta (D.C. Eaton) H.M. Hall -- not accepted
	Stephanomeria minor var. myrioclada (D.C. Eaton) Kartesz -- not accepted -- narrowleaf wirelettuce
	Stephanomeria myrioclada D.C. Eaton -- not accepted
	Stephanomeria tenuifolia var. myrioclada (D.C. Eaton) Cronquist -- not accepted -- narrowleaf wirelettuce
	Stigmaphyllon floribundum (DC.) C.E. Anderson -- accepted -- woolly Amazonvine
	Stigmaphyllon periplocifolium (Desf. ex DC.) A. Juss. -- not accepted
	Streptocarpus angovensis DC. -- not accepted
	Streptopus amplexifolius (L.) DC. -- accepted -- clasping twistedstalk, claspleaf twistedstalk, twisted stalk
	Streptopus amplexifolius var. amplexifolius (L.) DC. -- not accepted -- American twistedstalk, claspleaf twistedstalk
	Strombocactus disciformis (DC.) Britton & Rose -- accepted
	Strombocactus disciformis ssp. disciformis (DC.) Britton & Rose -- accepted
	Strophanthus DC. -- accepted
	Strophanthus hispidus DC. -- accepted -- hispid strophanthus
	Strophanthus sarmentosus DC. -- accepted
	Stylogyne A. DC. -- accepted
	Sutherlandia microphylla Burch. ex DC. -- not accepted
	Symphyotrichum foliaceum (Lindl. ex DC.) G.L. Nesom -- accepted -- alpine leafybract aster
	Symphyotrichum foliaceum var. foliaceum (Lindl. ex DC.) G.L. Nesom -- accepted -- alpine leafybract aster
	Symphyotrichum foliaceum var. parryi (D.C. Eaton) G.L. Nesom -- accepted -- Parry's aster
	Symphyotrichum lateriflorum var. hirsuticaule (Lindl. ex DC.) G.L. Nesom -- not accepted -- calico aster
	Symphyotrichum patens var. patentissimum (Lindl. ex DC.) G.L. Nesom -- accepted -- late purple aster
	Symphyotrichum retroflexum (Lindl. ex DC.) G.L. Nesom -- accepted -- rigid whitetop aster
	Synsepalum (A. DC.) Daniell -- accepted
	Syntherisma velutina (DC.) Chase -- not accepted
	Syntherisma velutina ssp. velutina (DC.) Chase -- not accepted
	Syzygium jambolanum (Lam.) DC. -- not accepted
	Syzygium racemosum (Blume) DC. -- accepted
	Tabebuia Gomes ex DC. -- accepted -- trumpet-tree
	Tabebuia haemantha (Bertol. ex Spreng.) DC. -- accepted -- roble cimarron
	Tabebuia heterophylla (DC.) Britton -- accepted -- white cedar
	Tabebuia pentaphylla (DC.) Hemsl. -- not accepted
	Tabebuia rosea (Bertol.) DC. -- accepted -- pink poui, pink trumpet-tree
	Tabebuia triphylla DC. -- not accepted
	Tamarix parviflora DC. -- accepted -- saltcedar, small-flower tamarisk, smallflower tamarisk, tamarisk, tamarix
	Tamaulipa azurea (DC.) King & H. Rob. -- accepted -- blue boneset
	Tanacetum boreale Fisch. ex DC. -- not accepted
	Tanacetum canum D.C. Eaton -- not accepted
	Tanacetum diversifolium D.C. Eaton -- not accepted
	Tanacetum douglasi DC. -- not accepted
	Tanacetum douglasii DC. -- not accepted
	Tanacetum vulgare var. crispum DC. -- not accepted
	Taonabo peduncularis (DC.) Britton -- not accepted
	Tapeinotes barbata (Nees & Mart.) DC. -- not accepted
	Tapeinotes pusilla (Mart.) DC. -- not accepted
	Taraxacum ceratophorum (Ledeb.) DC. -- accepted -- common dandelion, woolbearing dandelion
	Taraxacum glabra DC. -- not accepted
	Taraxacum glabrum DC. -- accepted
	Taraxacum laevigatum (Willd.) DC. -- not accepted -- red-seed dandelion, rock dandelion
	Taraxacum latilobum DC. -- accepted -- broad-lobe dandelion
	Taraxacum lyratum (Ledeb.) DC. -- not accepted -- alpine dandelion, harp dandelion, rock dandelion
	Tecoma gaudichaudii DC. -- not accepted
	Tephrosia candida DC. -- accepted -- white hoarypea
	Tephrosia caribaea (Jacq.) DC. -- not accepted
	Terminalia sericea Burch. ex DC. -- accepted -- clusterleaf
	Ternstroemia peduncularis DC. -- accepted -- copey vera
	Tetradymia DC. -- accepted -- horsebrush, tetradymia
	Tetradymia canescens DC. -- accepted -- gray horsebrush, spineless horsebrush
	Tetraneuris scaposa (DC.) Greene -- accepted -- stemmy four-nerve daisy
	Tetraneuris scaposa var. scaposa (DC.) Greene -- accepted -- stemmy four-nerve daisy, villous four-nerve daisy
	Tetrazygia Rich. ex DC. -- accepted -- clover ash
	Tetrazygia angustifolia (Sw.) DC. -- accepted -- stinkingfish
	Tetrazygia crotonifolia (Desr.) DC. -- accepted -- hillside clover ash
	Tetrazygia elaeagnoides (Sw.) DC. -- accepted -- krekre
	Thalictrum clavatum DC. -- accepted -- mountain meadow-rue
	Thalictrum revolutum DC. -- accepted -- waxyleaf meadow-rue, waxyleaf meadowrue
	Thelypteris boydiae (D.C. Eaton) K. Iwats. -- not accepted -- Boyd's maiden fern
	Theobroma angustifolium Moc. & Sess� ex DC. -- accepted -- theobroma
	Thespesia grandiflora DC. -- accepted -- maga
	Thlaspi cochleariforme DC. -- not accepted
	Thymophylla acerosa (DC.) Strother -- accepted -- prickleaf dogweed, pricklyleaf dogweed, Texas dogweed
	Thymophylla micropoides (DC.) Strother -- accepted -- woolly pricklyleaf
	Thymophylla pentachaeta (DC.) Small -- accepted -- five-needle pricklyleaf, fiveneedle pricklyleaf
	Thymophylla pentachaeta var. belenidium (DC.) Strother -- accepted -- firehair dogweed, fiveneedle pricklyleaf
	Thymophylla pentachaeta var. pentachaeta (DC.) Small -- accepted -- common dogweed, fiveneedle pricklyleaf
	Thymophylla tenuiloba (DC.) Small -- accepted -- bristleleaf pricklyleaf
	Thymophylla tenuiloba var. tenuiloba (DC.) Small -- accepted -- bristleleaf pricklyleaf
	Tibouchina herbacea (DC.) Cogn. -- accepted -- cane ti, glorybush, herbaceous glorytree
	Tibouchina semidecandra (Schrank & Mart. ex DC.) Cogn. -- accepted -- purple glory tree
	Tibouchina urvilleana (DC.) Cogn. -- accepted -- glorybush, lasiandra, princess-flower, princessflower
	Tigridia pavonia (L. f.) DC. -- accepted
	Tilia argentea DC. -- not accepted
	Tilia petiolaris DC. -- accepted -- pendent silver linden
	Tilia tomentosa ssp. petiolaris (DC.) So� -- not accepted
	Timonius DC. -- accepted
	Timonius nitidus (Bartlett ex DC.) Fern.-Vill. -- accepted
	Tiquilia canescens (DC.) A.T. Richardson -- accepted -- ratear coldenia, woody crinklemat
	Tiquilia canescens var. canescens (DC.) A.T. Richardson -- accepted -- crinklemat, gray coldenia, gray tiquilia, ratear coldenia, woody crinklemat
	Tithonia argophylla D.C. Eaton -- not accepted
	Tithymalus flavicomus (DC.) Bubani -- not accepted
	Tithymalus rhabdotospermus (Radcl.-Sm.) Holub -- not accepted
	Tithymalus saxicola (Radcl.-Sm.) Soj�k -- not accepted
	Tonestus kingii (D.C. Eaton) G.L. Nesom -- not accepted -- King's serpentweed
	Tonestus kingii var. kingii (D.C. Eaton) G.L. Nesom -- not accepted -- King's serpentweed
	Torilis japonica (Houtt.) DC. -- accepted -- erect hedgeparsley
	Torilis scabra (Thunb.) DC. -- accepted -- rough hedgeparsley
	Tournefortia caribaea (A. DC.) Griseb. -- accepted
	Townsendia parryi D.C. Eaton -- accepted -- Parry's Townsend daisy, Parry's townsendia
	Townsendia scapigera D.C. Eaton -- accepted -- ground townsendia, tufted Townsend daisy
	Trachynotia alterniflora (Loisel.) DC. -- not accepted
	Trachypogon argenteus (DC.) Nees -- not accepted
	Trachypogon laguroides (DC.) Nees -- not accepted
	Tragia jonesii Radcl.-Sm. & Govaerts -- accepted -- Jones' noseburn
	Tragia plukenetii Radcl.-Sm. -- accepted
	Transberingia bursifolia (DC.) Al-Shehbaz & O'Kane -- accepted
	Transberingia bursifolia ssp. bursifolia (DC.) Al-Shehbaz & O'Kane -- accepted
	Trembleya DC. -- accepted
	Trembleya phlogiformis DC. -- accepted -- island glorybush
	Trepocarpus Nutt. ex DC. -- accepted
	Trepocarpus aethusae Nutt. ex DC. -- accepted -- whitenymph
	Trevirana andrieuxii (DC.) D. Dietr. -- not accepted
	Trevirana comifera (DC.) Dietr. -- not accepted
	Trevirana erinoides (DC.) Dietr. -- not accepted
	Trevirana hirsuta (DC.) D. Dietr. -- not accepted
	Trevirana longiflora (DC.) D. Dietr. -- not accepted
	Trevirana tenella (DC.) D. Dietr. -- not accepted
	Trichantha anisophylla (DC.) Wiehler -- not accepted
	Trichochloa DC. -- not accepted
	Trichochloa capillaris (Lam.) DC. -- not accepted
	Trichochloa expansa (Poir.) DC. -- not accepted
	Trichochloa microsperma DC. -- not accepted
	Trichochloa polypogon DC. -- not accepted
	Trichomanes baldwinii (D.C. Eaton) Copel. -- not accepted
	Trichomanes osmundoides DC. ex Poir. -- accepted
	Trichosporum acuminatum (Wall. ex A. DC.) Kuntze -- not accepted
	Trichosporum acuminatum (Wall. ex A. DC.) Matsum. -- not accepted
	Trichosporum perrottetii (DC.) Kuntze -- not accepted
	Trifolium arvense var. perpusillum DC. -- not accepted
	Trigonella ornithopodioides (L.) DC. -- not accepted
	Trimorpha acris var. kamtschatica (DC.) G.L. Nesom -- not accepted
	Triphasia trifoliata (L.) DC. -- not accepted
	Triticum glaucum Desf. ex DC. -- not accepted
	Triticum obtusiflorum DC. -- not accepted
	Triumfetta bogotensis DC. -- accepted -- parquet bur, parquet burr
	Tupa robusta (Graham) A. DC. -- not accepted
	Turnera coerula DC. -- accepted
	Unamia lutescens (Lindl. ex DC.) Rydb. -- not accepted
	Uropappus lindleyi (DC.) Nutt. -- accepted -- Lindley's silverpuffs
	Utricularia guyanensis A. DC. -- accepted
	Valerianella chenopodiifolia (Pursh) DC. -- accepted -- goosefoot cornsalad
	Vargasia caracassana D.C. -- not accepted
	Vasconcellea monoica (Desf.) A. DC. -- accepted
	Vasconcellea pubescens A. DC. -- accepted
	Venegasia DC. -- accepted -- venegasia
	Venegasia carpesioides DC. -- accepted -- canyon sunflower
	Verbesina microptera DC. -- accepted -- Texas crownbeard
	Verbesina microptera (DC.) Herter non DC. -- not accepted -- Texas crownbeard
	Vernonia arkansana DC. -- accepted -- Arkansas ironweed
	Vernonia cinerea var. parviflora (Reinw.) DC. -- not accepted
	Verticordia DC. -- accepted
	Vicia disperma DC. -- accepted -- European vetch
	Vicia lutea var. hirta (Balb. ex DC.) Loisel. -- not accepted
	Vicia orobus DC. -- accepted
	Vigna caracalla (L.) Verdc. -- accepted -- snailflower
	Vigna juruana (Harms) Verdc. -- accepted -- tropical cowpea
	Vigna lasiocarpa (Mart. ex Benth.) Verdc. -- accepted
	Vigna longifolia (Benth.) Verdc. -- accepted -- longleaf cowpea
	Vigna praecox Verdc. -- accepted
	Vigna radiata var. sublobata (Roxb.) Verdc. -- accepted -- mung bean
	Vigna speciosa (Kunth) Verdc. -- accepted -- prairie vetch, wondering cowpea
	Vigna subterranea (L.) Verdc. -- accepted -- bambarra groundnut
	Vigna unguiculata ssp. cylindrica (L.) Verdc. -- not accepted -- catjang
	Vigna unguiculata ssp. dekindtiana (Harms) Verdc. -- not accepted -- blackeyed pea
	Vigna unguiculata ssp. sesquipedalis (L.) Verdc. -- not accepted -- yardlong bean
	Viola macloskeyi ssp. pallens (Banks ex DC.) M.S. Baker -- not accepted -- smooth white violet
	Viola macloskeyi var. pallens (Banks ex DC.) C.L. Hitchc. -- not accepted
	Viola pallens (Banks ex DC.) Brainerd -- not accepted
	Viola palmata var. triloba (Schwein.) Ging. ex DC. -- not accepted
	Viola patrinii DC. -- accepted -- China violet
	Viola pedata var. lineariloba DC. -- not accepted
	Viola pedata var. ranunculifolia (Juss. ex Poir.) Ging. ex DC. -- accepted -- birdfoot violet
	Viola tricolor var. arvensis (Murray) DC. -- not accepted
	Virgulus patens var. patentissimus (Lindl. ex DC.) Reveal & Keener -- not accepted
	Viscum hexastichum DC. -- not accepted
	Viscum mucronatum DC. -- not accepted
	Voandzeia subterranea (L.) DC. -- not accepted
	Wahlenbergia gracilis (G. Forst.) A. DC. -- accepted
	Wahlenbergia linarioides (Lam.) A. DC. -- accepted -- tuffybells
	Wahlenbergia marginata (Thunb.) A. DC. -- accepted -- southern rockbell
	Wallenia lamarckiana (A. DC.) Mez -- accepted -- jacanillo
	Wedelia biflora (L) DC -- accepted
	Wedelia lanceolata DC. -- accepted -- riverbank creepingoxeye
	Wedelia reticulata DC. -- accepted -- manazanilla del monte
	Weigela florida (Bunge) A. DC. -- accepted -- oldfashioned weigela
	Wisteria floribunda (Willd.) DC. -- accepted -- Japanese wisteria
	Wisteria sinensis (Sims) DC. -- accepted -- Chinese wisteria
	Wollastonia DC. ex Decn. -- accepted
	Wollastonia biflora (L) DC -- not accepted
	Woodsia oregana D.C. Eaton -- accepted -- Oregon cliff fern, Oregon woodsia, western cliff fern, woodsie de l'Oregon
	Woodsia oregana ssp. oregana D.C. Eaton -- accepted -- Oregon cliff fern
	Woodsia scopulina D.C. Eaton -- accepted -- Rocky Mountain cliff fern, Rocky Mountain woodsia, woodsie des rochers
	Woodsia scopulina ssp. scopulina D.C. Eaton -- accepted -- Rocky Mountain woodsia
	Wyethia angustifolia (DC.) Nutt. -- accepted -- California compassplant
	Wyethia helenioides (DC.) Nutt. -- accepted -- whitehead mule-ears
	Xanthisma DC. -- accepted -- sleepydaisy, xanthium
	Xanthisma texanum DC. -- accepted -- Texas sleepy-daisy, Texas sleepydaisy
	Xanthisma texanum ssp. texanum DC. -- not accepted -- Texas sleepydaisy
	Xanthisma texanum ssp. texanum var. texanum DC. -- not accepted -- Texas sleepydaisy
	Xanthisma texanum var. texanum DC. -- accepted -- Texas sleepydaisy
	Xanthium macrocarpum var. glabratum DC. -- not accepted
	Xanthium strumarium var. glabratum (DC.) Cronquist -- not accepted -- cocklebur, common cocklebur, rough cocklebur, rough cockleburr
	Xanthocephalum dracunculoides (DC.) Shinners -- not accepted
	Xanthocephalum microcephalum (DC.) Shinners -- not accepted
	Xanthocephalum texanum (DC.) Shinners -- not accepted
	Ximenesia encelioides var. cana DC. -- not accepted
	Ximenesia microptera DC. -- not accepted
	Xiphocarpus candidus (DC.) Hassk. -- not accepted
	Youngia japonica (L) DC -- accepted -- oriental false hawksbeard
	Youngia japonica var. japonica (L) DC -- not accepted
	Youngia thunbergiana DC. -- not accepted
	Zamia boliviana (Brongn.) A. DC. -- accepted
	Zamia floridana A. DC. -- not accepted
	Zamia furfuracea var. trewii A. DC. -- not accepted
	Zamia multifoliolata A. DC. -- not accepted
	Zamia spartea A. DC. -- accepted
	Zanthoxylum martinicense (Lam.) DC. -- accepted -- white pricklyash
	Zanthoxylum spinifex (Jacq.) DC. -- not accepted -- niaragato
	Zanthoxylum tragodes (Jacq.) DC. -- accepted
	Zinnia acerosa (DC.) A. Gray -- accepted -- desert zinnia, spinyleaf zinnia
	Zizia cordata W.D.J. Koch ex DC. -- not accepted
	Ziziphus reticulata (Vahl) DC. -- accepted -- cacao rojo
	Zornia dyctiocarpa DC. -- accepted

Kingdom Bacteria
	Rivularia haematites (Dc) C. A. Agardh -- valid