| |
| Kingdom Animalia |
| |
Hyphalinae Britton, 1971 -- valid |
| |
Hyphalus Britton, 1971 -- valid |
| |
Hyphalus insularis Britton, 1971 -- valid |
| |
Hyphalus kuscheli Britton, 1977 -- valid |
| |
Hyphalus prolixus Britton, 1977 -- valid |
| |
Hyphalus ultimus Britton, 1977 -- valid |
| |
Hyphalus wisei Britton, 1973 -- valid |
| |
Lemodinae Lawrence and Britton, 1991 -- valid |
| |
Mecyclothorax ater Britton, 1948 -- valid |
| |
Mecyclothorax exilis Britton, 1948 -- valid |
| |
Mecyclothorax flavomarginatus Britton, 1948 -- valid |
| |
Mecyclothorax incompositus Britton, 1948 -- valid |
| |
Mecyclothorax irregularis Britton, 1948 -- valid |
| |
Mecyclothorax lahainae Britton, 1948 -- valid |
| |
Mecyclothorax minor Britton, 1948 -- valid |
| |
Mecyclothorax paravus Britton, 1948 -- invalid |
| |
Mecyclothorax parvus Britton, 1948 -- valid |
| |
Mecyclothorax proximus Britton, 1948 -- valid |
| |
Mecyclothorax quadratus Britton, 1948 -- valid |
| |
Mecyclothorax sharpi Britton, 1948 -- valid |
| |
Mecyclothorax tantalus Britton, 1948 -- valid |
| |
Mecyclothorax variipes Britton, 1948 -- valid |
| |
Mecyclothorax varipes Britton, 1948 -- invalid |
| |
Myraboliidae Lawrence and Britton, 1991 -- valid |
| |
Tasmosalpingidae Lawrence and Britton, 1991 -- valid |
| |
| Kingdom Plantae |
| |
Acacia anegadensis Britton -- not accepted -- blackbrush wattle |
| |
Acacia angustissima var. shrevei (Britton & Rose) Isely -- accepted -- Shreve prairie acacia, Shreve's prairie acacia |
| |
Acaciella hirta (Nutt.) Britton & Rose -- not accepted |
| |
Acaciella shrevei Britton & Rose -- not accepted |
| |
Acaciopsis Britton & Rose -- not accepted |
| |
Acaciopsis rigidula (Benth.) Britton & Rose -- not accepted |
| |
Acanthocereus (Engelm. ex A. Berger) Britton & Rose -- accepted -- triangle cactus |
| |
Acanthocereus albicaulis Britton & Rose -- not accepted |
| |
Acanthocereus colombianus Britton & Rose -- not accepted |
| |
Acanthocereus floridanus Small ex Britton & Rose -- not accepted |
| |
Acanthocereus horridus Britton & Rose -- not accepted |
| |
Acanthocereus occidentalis Britton & Rose -- not accepted |
| |
Acanthocereus pentagonus (L.) Britton & Rose -- not accepted |
| |
Acanthocereus subinermis Britton & Rose -- not accepted |
| |
Acanthorhipsalis (K. Schum.) Britton & Rose -- not accepted |
| |
Acer interius Britton -- not accepted |
| |
Acer negundo ssp. interius (Britton) Á. Löve & D. Löve -- not accepted |
| |
Acer negundo var. interius (Britton) Sarg. -- accepted -- ash-leaf maple, boxelder, boxelder maple |
| |
Acer saccharum var. nigrum (F. Michx.) Britton -- not accepted |
| |
Acer stenocarpum Britton -- not accepted |
| |
Acerates viridiflora var. ivesii Britton -- not accepted |
| |
Achimenes gracilis Britton ex Rusby -- not accepted |
| |
Achimenes rusbyi Britton ex Rusby -- not accepted |
| |
Achimenes tubiflora (Hook.) Britton -- not accepted |
| |
Achyranthes peploides (Humb. & Bonpl. ex Schult.) Britton & P. Wilson -- not accepted |
| |
Acisanthera acisanthera (L.) Britton -- not accepted |
| |
Acmispon americanus var. helleri (Britton) Brouillet -- accepted -- Heller's bird's-foot trefoil |
| |
Acmispon helleri (Britton) A. Heller -- not accepted |
| |
Acmispon mearnsii (Britton) Brouillet -- accepted -- Mearns' bird's-foot trefoil |
| |
Acmispon mearnsii var. mearnsii (Britton) Brouillet -- accepted -- Mearns' bird's-foot trefoil |
| |
Adenorachis atropurpurea (Britton) Nieuwl. -- not accepted |
| |
Adenoropium hastatum (Jacq.) Britton & P. Wilson -- not accepted |
| |
Adipera bicapsularis (L.) Britton & Rose ex Britton & P. Wilson -- not accepted |
| |
Adipera corymbosa (Lam.) Britton & Rose -- not accepted |
| |
Adipera laevigata (Willd.) Britton & Rose ex Britton & P. Wilson -- not accepted |
| |
Adipera stahlii (Urb.) Britton & Rose ex Britton & P. Wilson -- not accepted |
| |
Adlumia fungosa (Aiton) Greene ex Britton, Sterns & Poggenb. -- accepted -- Allegheny vine, climbing fumitory, mountain-fringe |
| |
Aeschynomene virginica (L.) Britton, Sterns & Poggenb. -- accepted -- northern jointvetch, sensitive joint-vetch, Virginia jointvetch |
| |
Agalinis aspera (Douglas ex Benth.) Britton -- accepted -- rough foxglove, tall false foxglove |
| |
Agalinis besseyana (Britton) Britton -- not accepted |
| |
Agalinis linifolia (Nutt.) Britton -- accepted -- flaxleaf false foxglove |
| |
Agalinis parvifolia (Chapm.) Small ex Britton -- not accepted |
| |
Agalinis paupercula (A. Gray) Britton -- not accepted -- smallflower false foxglove |
| |
Agalinis paupercula var. paupercula (A. Gray) Britton -- not accepted -- smallflower false foxglove |
| |
Agalinis skinneriana (Alph. Wood) Britton -- accepted -- Skinner's false foxglove |
| |
Agastache anethiodora (Nutt.) Britton -- not accepted |
| |
Agrimonia mollis (Torr. & A. Gray) Britton -- not accepted |
| |
Agrostis hiemalis (Walter) Britton, Sterns & Poggenb. -- not accepted |
| |
Agrostis hyemalis (Walter) Britton, Sterns & Poggenb. -- accepted -- winter bentgrass |
| |
Agrostis hyemalis var. hyemalis (Walter) Britton, Sterns & Poggenb. -- not accepted |
| |
Aklema petiolaris (Sims) Millsp. ex Britton -- not accepted |
| |
Albizia adinocephala (Donn. Sm.) Britton & Rose ex Record -- accepted -- cream albizia |
| |
Albizia carbonaria Britton -- accepted -- naked albizia |
| |
Alliaria alliaria (L.) Britton -- not accepted |
| |
Alloplectus bolivianus (Britton ex Rusby) Wiehler -- not accepted |
| |
Alloplectus grandifolius Britton ex Rusby -- not accepted |
| |
Alnus alnus (L.) Britton -- not accepted |
| |
Alnus noveboracensis Britton -- not accepted |
| |
Aloysia triphylla (L'Hér.) Britton -- not accepted -- lemon beebrush |
| |
Alsinanthe stricta ssp. dawsonensis (Britton) Á. Löve & D. Löve -- not accepted |
| |
Alsine antillana (Urb.) Britton & P. Wilson -- not accepted |
| |
Alsine aquatica (L.) Britton -- not accepted |
| |
Alsine borealis (Bigelow) Britton -- not accepted |
| |
Alsine crassifolia (Ehrh.) Britton -- not accepted |
| |
Alsine fontinalis (Short & Peter) Britton -- not accepted |
| |
Alsine glauca (With.) Britton -- not accepted |
| |
Alsine graminea (L.) Britton -- not accepted |
| |
Alsine holostea (L.) Britton -- not accepted |
| |
Alsine humifusa (Rottb.) Britton -- not accepted |
| |
Alsine longifolia (Muhl. ex Willd.) Britton -- not accepted |
| |
Alsine pubera (Michx.) Britton -- not accepted |
| |
Alsine uliginosa (Murray) Britton -- not accepted |
| |
Amelanchier alabamensis Britton -- not accepted |
| |
Amelanchier arborea var. alabamensis (Britton) G.N. Jones -- not accepted -- Alabama serviceberry |
| |
Amelanchier canadensis var. obovalis (Michx.) Britton, Sterns & Poggenb. -- accepted -- coastal serviceberry |
| |
Amerosedum leibergii (Britton) Á. Löve & D. Löve -- not accepted |
| |
Ammannia koehnei Britton -- not accepted |
| |
Amomis grisea (Kiaersk.) Britton -- not accepted |
| |
Ampelamus albidus (Nutt.) Britton -- not accepted -- honeyvine milkweed |
| |
Amphiglottis anceps (Jacq.) Britton -- not accepted |
| |
Amphiglottis corymbosa auct. non (Lindl.) Britton -- not accepted |
| |
Amphiglottis difformis auct. non (Jacq.) Britton -- not accepted |
| |
Amphiglottis lacera (Lindl.) Britton -- not accepted |
| |
Amphiglottis nocturna (Jacq.) Britton -- not accepted |
| |
Amphiglottis pallidiflora (Hook.) Britton -- not accepted |
| |
Amsonia amsonia (L.) Britton -- not accepted |
| |
Anamomis dicrana (O. Berg) Britton -- not accepted |
| |
Anamomis umbellulifera (Kunth) Britton -- not accepted |
| |
Ancistrocactus (K. Schum.) Britton & Rose -- not accepted |
| |
Ancistrocactus brevihamatus (Engelm.) Britton & Rose -- not accepted |
| |
Ancistrocactus megarrhizus (Rose) Britton & Rose -- not accepted |
| |
Ancistrocactus scheeri (Salm-Dyck) Britton & Rose -- not accepted |
| |
Andrachne cuneifolia Britton -- not accepted |
| |
Andropogon glomeratus (Walter) Britton, Sterns & Poggenb. -- accepted -- bushy bluestem |
| |
Andropogon glomeratus var. glomeratus (Walter) Britton, Sterns & Poggenb. -- accepted -- bushy bluestem |
| |
Anemone decapetala var. heterophylla (Torr. & A. Gray) Britton & Rusby -- not accepted |
| |
Anemone lyallii Britton -- accepted -- Little Mountain thimbleweed |
| |
Anemone multifida var. tetonensis (Porter ex Britton) C.L. Hitchc. -- accepted -- Pacific anemone |
| |
Anemone nemorosa var. lyalli (Britton) Ulbr. -- not accepted |
| |
Anemone nemorosa var. lyallii (Britton) Ulbr. -- not accepted |
| |
Anemone piperi Britton ex Rydb. -- accepted -- Piper's anemone |
| |
Anemone quinquefolia var. lyallii (Britton) B.L. Rob. -- not accepted |
| |
Anemone quinquifolia var. lyallii (Britton) B.L. Rob. -- not accepted |
| |
Anemone tetonensis Porter ex Britton -- not accepted -- Teton anemone |
| |
Angelica villosa (Walter) Britton, Sterns & Poggenb. -- not accepted |
| |
Anguria cookiana Britton -- not accepted |
| |
Anneslea haematostoma (Bertero ex DC.) Britton -- not accepted |
| |
Anneslea portoricensis (Jacq.) Britton -- not accepted |
| |
Anneslea purpurea (L.) Britton -- not accepted |
| |
Anneslia haematomma (Bertero ex DC.) Britton -- not accepted |
| |
Anneslia portoricensis (Jacq.) Britton -- not accepted |
| |
Anneslia purpurea (L.) Britton -- not accepted |
| |
Anogra albicaulis (Pursh) Britton -- not accepted |
| |
Anogra coronopifolia (Torr. & A. Gray) Britton -- not accepted |
| |
Antigonon macrocarpum Britton & Small -- not accepted |
| |
Antirhea portoricensis (Britton & P. Wilson) Standl. -- not accepted -- Puerto Rico quina, quina |
| |
Anychia canadensis (L.) Britton, Sterns & Poggenb. -- not accepted |
| |
Apargia nudicaulis (L.) Britton -- not accepted |
| |
Apocynum milleri Britton -- not accepted |
| |
Aporocactus conzattii Britton & Rose -- not accepted |
| |
Aporocactus leptophis (DC.) Britton & Rose -- not accepted |
| |
Aporocactus martianus Britton & Rose -- not accepted |
| |
Arabidopsis novae-angliae (Rydb.) Britton -- not accepted |
| |
Arabis brachycarpa (Torr. & A. Gray) Britton -- not accepted |
| |
Arbuscula leibergii (E. Britton) H.A. Crum, Steere & L.E. Anderson -- not accepted |
| |
Ardisia luquillensis (Britton) Alain -- accepted -- mountain marlberry |
| |
Arenaria dawsonensis Britton -- not accepted |
| |
Arenaria stricta ssp. dawsonensis (Britton) Maguire -- not accepted |
| |
Arenaria stricta var. dawsonensis (Britton) Scoggan -- not accepted |
| |
Arenaria texana (B.L. Rob.) Britton -- not accepted |
| |
Arequipa Britton & Rose -- not accepted |
| |
Arisaema atrorubens var. stewardsonii (Britton) G.T. Stevens -- not accepted |
| |
Arisaema stewardsonii Britton -- not accepted |
| |
Arisaema triphyllum ssp. stewardsonii (Britton) Huttl. -- not accepted -- Jack in the pulpit |
| |
Arisaema triphyllum var. stewardsonii (Britton) G. T. Stevens ex Wieg. & Eames -- not accepted |
| |
Armatocereus cartwrightianus (Britton & Rose) Backeb. -- accepted |
| |
Armatocereus godingianus (Britton & Rose) Backeb. -- accepted |
| |
Armatocereus godingianus ssp. godingianus (Britton & Rose) Backeb. -- accepted |
| |
Armatocereus humilis (Britton & Rose) Backeb. -- not accepted |
| |
Armatocereus laetus (Britton & Rose) Backeb. -- accepted |
| |
Armoracia armoracia (L.) Britton -- not accepted |
| |
Arnica acaulis (Walter) Britton, Sterns & Poggenb. -- accepted -- common leopardbane |
| |
Aronia arbutifolia var. atropurpurea (Britton) Seymour -- not accepted |
| |
Aronia atropurpurea Britton -- not accepted |
| |
Arrojadoa Britton & Rose -- accepted |
| |
Arrojadoa penicillata (Gürke) Britton & Rose -- accepted |
| |
Arrojadoa rhodantha (Gürke) Britton & Rose -- accepted |
| |
Artemisia kansana Britton -- not accepted |
| |
Asclepias rolfsii Britton ex Vail -- not accepted |
| |
Asclepias tuberosa ssp. rolfsii (Britton ex Vail) Woodson -- accepted -- Rolfs' milkweed |
| |
Asplenium platyneuron (L.) Britton, Sterns & Poggenb. -- accepted -- doradille ébčne, ebony spleenwort |
| |
Asplenium platyneuron var. platyneuron (L.) Britton, Sterns & Poggenb. -- not accepted -- ebony spleenwort |
| |
Aster bracei Britton ex Small -- not accepted -- Brace's aster |
| |
Aster cordifolius var. incisus Britton -- not accepted |
| |
Aster kentuckiensis Britton -- not accepted |
| |
Aster lateriflorus (L.) Britton -- not accepted -- calico aster |
| |
Aster lowrieanus var. incisus (Britton) Porter -- not accepted |
| |
Aster missouriensis Britton non Kuntze -- not accepted |
| |
Aster nebraskensis Britton -- not accepted |
| |
Aster pilosus var. priceae (Britton) Cronquist -- not accepted -- white oldfield aster |
| |
Aster praealtus var. nebraskensis (Britton) Wiegand -- not accepted -- Nebraska aster |
| |
Aster priceae Britton -- not accepted |
| |
Aster pringlei (A. Gray) Britton -- not accepted |
| |
Asterandra grandifolia (L.) Britton -- not accepted |
| |
Astilbe biternata (Vent.) Britton ex Kearney -- accepted -- Appalachian false goat's beard |
| |
Astilbe crenatiloba (Britton) Small -- not accepted -- Roan Mountain false goat's beard |
| |
Astragalus jesupii (Eggl. & E. Sheld.) Britton -- not accepted |
| |
Astrophytum capricorne (A. Dietr.) Britton & Rose -- accepted |
| |
Astrophytum ornatum (DC.) Britton & Rose -- accepted |
| |
Atamosco tubispatha Britton & P. Wilson, non (L'Hér.) M. Gómez -- not accepted |
| |
Audibertia mearnsii Britton -- not accepted |
| |
Austrocactus Britton & Rose -- accepted |
| |
Austrocactus bertinii (Cels ex Hérincq) Britton & Rose -- accepted |
| |
Austrocylindropuntia shaferi (Britton & Rose) Backeb. -- accepted |
| |
Baccharis neglecta Britton -- accepted -- Roosevelt-weed, Rooseveltweed |
| |
Badiera portoricensis Britton -- not accepted |
| |
Bahia dissecta (A. Gray) Britton -- not accepted -- ragleaf bahia |
| |
Bartonia virginica (L.) Britton, Sterns & Poggenb. -- accepted -- bartonie de Virginie, yellow screwstem |
| |
Batocydia unguis (L.) Mart. ex Britton -- not accepted |
| |
Batocydia unguis-cati (L.) Mart. ex Britton -- not accepted |
| |
Batrachium porteri (Britton) Britton -- not accepted |
| |
Bauhinia congesta (Britton & Rose) Lundell -- not accepted |
| |
Bauhinia jermyana (Britton) Lundell -- not accepted |
| |
Bergerocactus Britton & Rose -- accepted -- snakecactus |
| |
Bergerocactus emoryi (Engelm.) Britton & Rose -- accepted -- golden snakecactus, Órgano aterciopelado |
| |
Bergerocereus emoryi (Engelm.) Britton & Rose -- not accepted |
| |
Besleria longipedunculata Britton ex Rusby -- accepted |
| |
Besleria montana Britton ex Rusby -- accepted |
| |
Besleria sprucei Britton ex Rusby -- accepted |
| |
Betula alleghaniensis Britton -- accepted -- yellow birch |
| |
Betula alleghaniensis var. alleghaniensis Britton -- not accepted -- yellow birch |
| |
Betula ersinifera Britton -- not accepted |
| |
Betula piperi Britton -- not accepted |
| |
Betula resinifera Britton -- not accepted |
| |
Betula X sandbergii Britton -- accepted -- Sandberg's birch |
| |
Betula X utahensis Britton (pro sp.) -- accepted -- northwestern paper birch |
| |
Bidens acuta (Wiegand) Britton -- not accepted |
| |
Bidens aristosa (Michx.) Britton -- accepted -- bearded beggarticks, long-bracted beggar-ticks, tickseed sunflower |
| |
Bidens bidentoides (Nutt.) Britton -- accepted -- Delmarva beggarticks |
| |
Bidens coronata (L.) Britton -- not accepted -- crowned beggarticks |
| |
Bidens discoidea (Torr. & A. Gray) Britton -- accepted -- discoid beggarticks, small beggarticks, swamp beggar-ticks |
| |
Bidens involucrata (Nutt.) Britton -- not accepted |
| |
Bidens laevis (L.) Britton, Sterns & Poggenb. -- accepted -- bur marigold, smooth beggarticks |
| |
Bidens trichosperma (Michx.) Britton -- accepted -- crowned beggarticks |
| |
Boebera papposa (Vent.) Rydb. ex Britton -- not accepted |
| |
Bolboschoenus novae-angliae (Britton) S.G. Sm. -- accepted -- New England bulrush |
| |
Borrichia X cubana Britton & S.F. Blake (pro sp.) -- accepted -- Cuban borrichia |
| |
Borzicactus acanthurus (Vaupel) Britton & Rose -- not accepted |
| |
Borzicactus aurivillus (K. Schum.) Britton & Rose -- not accepted |
| |
Borzicactus decumbens (Vaupel) Britton & Rose -- not accepted |
| |
Borzicactus fieldianus Britton & Rose -- not accepted |
| |
Borzicactus icosagonus (Kunth) Britton & Rose -- not accepted |
| |
Borzicactus morleyanus Britton & Rose -- not accepted |
| |
Borzicactus plagiostoma (Vaupel) Britton & Rose -- not accepted |
| |
Borzicactus sepium (Kunth) Britton & Rose -- not accepted |
| |
Bouchetia anomala (Miers) Britton & Rusby -- accepted |
| |
Brachelyma robustum (Cardot) E. Britton -- not accepted |
| |
Brachyactis angusta (Lindl.) Britton -- not accepted |
| |
Brachycereus Britton & Rose -- accepted |
| |
Brachychaeta sphacelata (Raf.) Britton -- not accepted |
| |
Brachydontium olympicum (E. Britton) T.T. McIntosh & J.R. Spence -- accepted -- Olympic brachydontium moss |
| |
Bradburya floridana Britton -- not accepted |
| |
Bramia rotundifolia (Michx.) Britton -- not accepted |
| |
Brasiliopuntia bahiensis (Britton & Rose) A. Berger -- not accepted |
| |
Brauneria pallida (Nutt.) Britton -- not accepted |
| |
Brauneria purpurea (L.) Britton -- not accepted |
| |
Browningia Britton & Rose -- accepted |
| |
Browningia candelaris (Meyen) Britton & Rose -- accepted |
| |
Browningia candelaris ssp. candelaris (Meyen) Britton & Rose -- accepted |
| |
Bruchia drummnondii Hampe ex E. Britton -- not accepted |
| |
Bruchia drummondii Hampe ex E. Britton -- accepted -- Drummond's bruchia moss |
| |
Bruchia fusca E. Britton -- accepted |
| |
Brysonima horneana Britton & Small -- not accepted |
| |
Brysonima X ophiticola Small ex Britton -- not accepted |
| |
Bulbostylis antillana (Britton) Fernald -- not accepted |
| |
Bulbostylis capillaris ssp. antillana (Britton) T. Koyama -- not accepted -- densetuft hairsedge |
| |
Bulbostylis curassavica (Britton) Kük. ex Ekman -- accepted -- West Indian hairsedge |
| |
Bursa bursa-pastoris (L.) Britton -- not accepted |
| |
Byrsonima horneana Britton & Small -- not accepted |
| |
Byrsonima X ophiticola Small ex Britton -- accepted |
| |
Cabomba piauhyensis sensu Britton & P. Wilson and sensu Alain, non Gardner -- not accepted |
| |
Caconapea stricta (Schrad.) Britton -- not accepted |
| |
Cactus broadwayi Britton & Rose -- not accepted |
| |
Caesalpinia clementis (Britton) Leon -- not accepted |
| |
Caesalpinia culebrae (Britton & P. Wilson) Alain -- not accepted -- amarillo mato, smooth yellow nicker |
| |
Caesalpinia monensis Britton -- accepted -- black nicker, negro mato |
| |
Caesalpinia myabensis Britton -- not accepted |
| |
Caesalpinia peninsularis (Britton) Eifert -- not accepted -- peninsular holdback |
| |
Caesalpinia portoricensis (Britton & P. Wilson) Alain -- not accepted -- brown mato, brown nicker |
| |
Caesalpinia pumila (Britton & Rose) F.J. Herm. -- accepted |
| |
Caesalpinia wootonii (Britton) Eifert ex Isely -- not accepted -- Wooton's holdback |
| |
Calophyllum antillanum Britton -- not accepted -- Alexandrian laurel, Antilles calophyllum, mast wood, Santa Maria |
| |
Calophyllum brasiliense var. antillanum (Britton) Standl. -- not accepted |
| |
Calopogon tuberosus (L.) Britton, Sterns & Poggenb. -- accepted -- tuberous grasspink |
| |
Calopogon tuberosus var. tuberosus (L.) Britton, Sterns & Poggenb. -- accepted -- tuberous grasspink |
| |
Calyptracordia alba auct. non (Jacq.) Britton -- not accepted |
| |
Calyptracordia alba (Jacq.) Britton -- not accepted |
| |
Calyptranthes portoricensis Britton -- not accepted -- Puerto Rico lidflower |
| |
Cananga blainii (Griseb.) Britton -- not accepted |
| |
Cananga caribaea (Urb.) Britton -- not accepted |
| |
Capnoides campestre Britton -- not accepted |
| |
Capnoides micranthum (Engelm. ex A. Gray) Britton -- not accepted |
| |
Capnoides montanum (Engelm.) Britton -- not accepted |
| |
Carara didyma (L.) Britton -- not accepted |
| |
Cardamine arenicola Britton -- not accepted |
| |
Cardamine bulbosa (Schreb. ex Muhl.) Britton, Sterns & Poggenb. -- accepted -- bulb bittercress, bulbous bitter-cress, bulbous bittercress, cardamine bulbeuse |
| |
Cardamine douglassii Britton -- accepted -- limestone bittercress |
| |
Cardamine parviflora var. arenicola (Britton) O.E. Schulz -- not accepted -- sand bittercress |
| |
Carduus smallii (Britton) H.E. Ahles -- not accepted |
| |
Carex atratiformis Britton -- accepted -- black sedge, scrabrous black sedge |
| |
Carex baileyi Britton -- accepted -- Bailey's sedge |
| |
Carex bicknellii Britton -- accepted -- Bicknell's sedge, carex de Bicknell |
| |
Carex bicknellii var. bicknellii Britton -- not accepted -- Bicknell's sedge |
| |
Carex bonanzensis Britton -- accepted -- Yukon sedge |
| |
Carex capillaris var. williamsii (Britton) B. Boivin -- not accepted |
| |
Carex cristatella Britton -- accepted -- crested sedge |
| |
Carex magellanica var. irrigua (Wahlenb.) Britton, Sterns & Poggenb. -- not accepted |
| |
Carex mainensis Porter ex Britton -- not accepted |
| |
Carex shriveri Britton -- not accepted |
| |
Carex suberecta (Olney) Britton -- accepted -- prairie straw sedge |
| |
Carex tribuloides var. moniliformis (Tuck.) Britton -- not accepted |
| |
Carex williamsii Britton -- accepted -- Williams' sedge |
| |
Carex X mainensis Porter ex Britton (pro sp.) -- not accepted -- Maine sedge |
| |
Carnegia Britton & Rose -- not accepted |
| |
Carnegia gigantea (Engelm.) Britton & Rose -- not accepted |
| |
Carnegiea Britton & Rose -- accepted -- saguaro |
| |
Carnegiea gigantea (Engelm.) Britton & Rose -- accepted -- Saguaro, saguaro |
| |
Carya microcarpa (Nutt.) Britton -- not accepted |
| |
Casparea congesta Britton & Rose -- not accepted |
| |
Casparea jermyana Britton -- not accepted |
| |
Caspareopsis monandra (Kurz) Britton & Rose -- not accepted |
| |
Casparia congesta Britton & Rose -- not accepted |
| |
Casparia jermyana Britton -- not accepted |
| |
Cassia antillana (Britton & Rose) Alain -- not accepted |
| |
Cassia fasciculata var. ferrisiae (Britton ex Britton & Rose) B.L. Turner -- not accepted |
| |
Cassia orcuttii (Britton & Rose) B.L. Turner -- not accepted |
| |
Castalia amazonum (Mart. & Zucc.) Britton & P. Wilson -- not accepted |
| |
Castalia jamesoniana (Planch.) Britton & P. Wilson -- not accepted |
| |
Castalia pulchella (DC.) Britton -- not accepted |
| |
Castalia rudgeana (G. Mey.) Britton & P. Wilson -- not accepted |
| |
Castilleja integra var. gloriosa (Britton) Cockerell -- accepted -- squawfeather, wholeleaf Indian paintbrush |
| |
Celeri graveolens (L.) Britton -- not accepted |
| |
Centaurea X moncktonii C.E. Britton -- accepted -- meadow knapweed, protean knapweed |
| |
Centrosema floridanum (Britton) Lakela -- not accepted |
| |
Cephalocereus alensis (F.A.C. Weber ex Rol.-Goss.) Britton & Rose -- not accepted |
| |
Cephalocereus arrabidae (Lem.) Britton & Rose -- not accepted |
| |
Cephalocereus bahamensis Britton -- not accepted |
| |
Cephalocereus barbadensis Britton & Rose -- not accepted |
| |
Cephalocereus brasiliensis Britton & Rose -- not accepted |
| |
Cephalocereus brooksianus Britton & Rose -- not accepted |
| |
Cephalocereus catingicola (Gürke) Britton & Rose -- not accepted |
| |
Cephalocereus chrysacanthus (F.A.C. Weber) Britton & Rose -- not accepted |
| |
Cephalocereus collinsii Britton & Rose -- not accepted |
| |
Cephalocereus dybowskii (Rol.-Goss.) Britton & Rose -- not accepted |
| |
Cephalocereus fluminensis (Miq.) Britton & Rose -- not accepted |
| |
Cephalocereus gaumeri Britton & Rose -- not accepted |
| |
Cephalocereus gounellei (F.A.C. Weber ex K. Schum.) Britton & Rose -- not accepted |
| |
Cephalocereus keyensis Britton & Rose -- not accepted |
| |
Cephalocereus lanuginosus (L.) Britton & Rose -- not accepted |
| |
Cephalocereus leucocephalus (Poselg.) Britton & Rose -- not accepted |
| |
Cephalocereus leucostele (Gürke) Britton & Rose -- not accepted |
| |
Cephalocereus millspaughii Britton -- not accepted |
| |
Cephalocereus monoclonos (DC.) Britton & Rose -- not accepted |
| |
Cephalocereus moritzianus (Otto) Britton & Rose -- not accepted |
| |
Cephalocereus nobilis (Haw.) Britton & Rose -- not accepted |
| |
Cephalocereus pentaedrophorus (Labour.) Britton & Rose -- not accepted |
| |
Cephalocereus phaeacanthus (Gürke) Britton & Rose -- not accepted |
| |
Cephalocereus piauhyensis (Gürke) Britton & Rose -- not accepted |
| |
Cephalocereus polygonus (Lam.) Britton & Rose -- not accepted |
| |
Cephalocereus polylophus (DC.) Britton & Rose -- not accepted |
| |
Cephalocereus purpusii Britton & Rose -- not accepted |
| |
Cephalocereus robinii (Lem.) Britton & Rose -- not accepted |
| |
Cephalocereus robustus Britton & Rose -- not accepted |
| |
Cephalocereus royenii (L.) Britton & Rose -- not accepted |
| |
Cephalocereus scoparius (Polseg.) Britton & Rose -- not accepted |
| |
Cephalocereus smithianus Britton & Rose -- not accepted |
| |
Cephalocereus swartzii (Griseb.) Britton & Rose -- not accepted |
| |
Cephalocereus tweedyanus Britton & Rose -- not accepted |
| |
Cephalocereus zehnteri Britton & Rose -- not accepted |
| |
Cerastium arvense ssp. maximum (Hollick & Britton) Ugbor. -- not accepted -- field chickweed |
| |
Cerastium arvense ssp. velutinum var. velutinum (Raf.) Britton -- not accepted -- field chickweed |
| |
Cerastium arvense ssp. velutinum var. villosum (Muhl. ex Darl.) Hollick & Britton -- not accepted -- field chickweed |
| |
Cerastium arvense var. maximum Hollick & Britton -- not accepted |
| |
Cerastium arvense var. oblongifolium (Torr.) Hollick & Britton -- not accepted |
| |
Cerastium arvense var. velutinum (Raf.) Britton -- not accepted -- field chickweed |
| |
Cerastium arvense var. villosum (Muhl. ex Darl.) Hollick & Britton -- not accepted -- field chickweed |
| |
Cerastium cerastioides (L.) Britton -- not accepted -- mountain chickweed, starwort chickweed |
| |
Cerastium cerastoides (L.) Britton -- accepted -- mountain chickweed |
| |
Cerastium longepedunculatum Muhl. ex Britton -- not accepted |
| |
Cerastium texanum Britton -- accepted -- Texas chickweed, Texas mouse-ear chickweed |
| |
Cereus albicaulis (Britton & Rose) Leutzelb. -- accepted |
| |
Cereus argentinensis Britton & Rose -- accepted |
| |
Cereus diffusus (Britton & Rose) Werderm. -- not accepted |
| |
Cereus eriophorus var. fragrans (Small ex Britton & Rose) L.D. Benson -- not accepted -- fragrant prickly-apple |
| |
Cereus gracilis var. simpsonii (Small ex Britton & Rose) L.D. Benson -- not accepted -- Simpson's prickly-apple |
| |
Cereus grantianus (Britton) H.P. Kelsey & Dayton -- not accepted |
| |
Cereus grenadensis Britton & Rose -- not accepted |
| |
Cereus portoricensis (Britton) Urb. -- not accepted |
| |
Cereus robinii var. keyensis (Britton & Rose) L.D. Benson -- not accepted |
| |
Cereus smithianus (Britton & Rose) Werderm. -- not accepted |
| |
Chamaecereus Britton & Rose -- not accepted |
| |
Chamaecereus silvestrii (Speg.) Britton & Rose -- not accepted |
| |
Chamaecrista chamaecristoides var. cruziana (Britton & Rose) H.S. Irwin & Barneby -- accepted -- beach sensitive pea |
| |
Chamaecrista cruziana Britton & Rose -- not accepted |
| |
Chamaecrista exunguis (Urb.) Britton -- not accepted |
| |
Chamaecrista granulata (Urb.) Britton -- not accepted |
| |
Chamaecrista mohrii (Pollard) Small ex Britton & Rose -- not accepted |
| |
Chamaecrista swartzii (Wikstr.) Britton -- not accepted |
| |
Chamaecyparis thyoides (L.) Britton, Sterns & Poggenb. -- accepted -- Atlantic white cedar, Atlantic white-cedar, southern white cedar, southern white-cedar |
| |
Chamaefistula antillana Britton & Rose -- not accepted |
| |
Chamaeraphis caudata (Lam.) Britton -- not accepted |
| |
Chamaeraphis caudata var. caudata (Lam.) Britton -- not accepted |
| |
Chamaesaracha coniodes (Moric. ex Dunal) Britton -- accepted -- gray false nightshade, gray five eyes |
| |
Chamaesyce articulata (Burm.) Britton -- not accepted -- jointed sandmat |
| |
Chamaesyce cowellii Millsp. ex Britton -- not accepted -- Cowell's sandmat |
| |
Chamaesyce jenningsii Millsp. ex Britton -- not accepted |
| |
Cheirinia aspera (Nutt.) Britton -- not accepted |
| |
Chiapasia Britton & Rose -- not accepted |
| |
Chiapasia nelsonii (Britton & Rose) Britton & Rose -- not accepted |
| |
Chiococca pinetorum Britton ex Millsp. -- not accepted |
| |
Chloris morales-coelloi León ex Britton -- not accepted |
| |
Chondrophora nudata (Michx.) Britton -- not accepted |
| |
Chromolaena borinquensis (Britton) R.M. King & H. Rob. -- accepted -- limestone thoroughwort |
| |
Chrysobalanus savannarum Britton -- not accepted |
| |
Chrysopsis nuttallii Britton -- not accepted |
| |
Chrysopsis pilosa (Walter) Britton non Nutt. -- not accepted -- soft goldenaster |
| |
Chrysothamnus nauseosus (Pall. ex Pursh) Britton -- not accepted -- gray rabbitbrush |
| |
Chrysothamnus nauseosus ssp. nauseosus (Pall. ex Pursh) Britton -- not accepted -- rubber rabbitbrush |
| |
Chrysothamnus nauseosus var. nauseosus (Pall. ex Pursh) Britton -- not accepted |
| |
Ciclospermum leptophyllum (Pers.) Sprague ex Britton & P. Wilson -- not accepted -- marsh parsley |
| |
Cirsium muticum var. subpinnatifidum (Britton) Fernald -- not accepted |
| |
Cirsium nebraskense (Britton) Lunell -- not accepted |
| |
Cirsium smallii Britton -- not accepted |
| |
Cleistocactus anguinus (Gürke) Britton & Rose -- not accepted |
| |
Cleistocactus fieldianus (Britton & Rose) D.R. Hunt -- accepted |
| |
Cleistocactus fieldianus ssp. fieldianus (Britton & Rose) D.R. Hunt -- accepted |
| |
Cleistocactus smaragdiflorus (F.A.C. Weber) Britton & Rose -- accepted |
| |
Clematis addisonii Britton -- accepted -- Addison's leather flower, Addison's virgin's bower |
| |
Clematis viornioides Britton -- not accepted |
| |
Cliftonia monophylla (Lam.) Britton ex Sarg. -- accepted -- black titi, buckwheat tree |
| |
Clistanthocereus fieldianus (Britton & Rose) Backeb. -- not accepted |
| |
Coccoloba borinquensis Britton -- not accepted |
| |
Cochemiea halei (Brandegee) Britton & Rose -- not accepted |
| |
Cochemiea poselgeri (Hildm.) Britton & Rose -- not accepted |
| |
Cockerellia cockerellii (Britton) Á. Löve & D. Löve -- not accepted |
| |
Codonanthe triplinervia Britton -- not accepted |
| |
Cojoba Britton & Rose -- accepted |
| |
Cojoba arborea (L.) Britton & Rose -- accepted -- wild tamarind |
| |
Cojoba graciliflora (S.F. Blake) Britton & Rose -- accepted -- Guadeloupe blackbead |
| |
Columnea aripoensis Britton -- not accepted |
| |
Columnea boliviana Britton ex Rusby -- not accepted |
| |
Columnea cubensis (Urb.) Britton -- not accepted |
| |
Columnea harrisii (Urb.) Britton ex C.V. Morton -- accepted |
| |
Columnea scandens var. aripoensis (Britton) C.V. Morton -- not accepted |
| |
Columnea tocoensis Britton -- not accepted |
| |
Comocladia cuneata Britton -- accepted -- wedgeleaf maidenplum |
| |
Conami portoricensis (Kuntze) Britton -- not accepted |
| |
Conioselinum chinense (L.) Britton, Sterns & Poggenb. -- accepted -- Chinese hemlockparsley |
| |
Copernicia alba Morong ex Morong & Britton -- accepted -- copernicia |
| |
Copiapoa Britton & Rose -- accepted |
| |
Copiapoa cinerascens (Salm-Dyck) Britton & Rose -- accepted |
| |
Copiapoa cinerea (Phil.) Britton & Rose -- accepted |
| |
Copiapoa cinerea ssp. cinerea (Phil.) Britton & Rose -- accepted |
| |
Copiapoa coquimbana (Karw. ex Rümpler) Britton & Rose -- accepted |
| |
Copiapoa echinoides (Lem.) Britton & Rose -- accepted |
| |
Copiapoa marginata (Salm-Dyck) Britton & Rose -- accepted |
| |
Copiapoa megarhiza Britton & Rose -- accepted |
| |
Copiapoa megarhiza var. megarhiza Britton & Rose -- accepted |
| |
Cordyline guineensis (L.) Britton -- not accepted |
| |
Coreopsis major var. oemleri (Elliot) Britton ex Small & Vail -- not accepted |
| |
Coriflora addisonii (Britton) W.A. Weber -- not accepted |
| |
Corryocactus Britton & Rose -- accepted |
| |
Corryocactus brachypetalus (Vaupel) Britton & Rose -- accepted |
| |
Corryocactus brevistylus (K. Schum. ex Vaupel) Britton & Rose -- accepted |
| |
Corryocactus brevistylus ssp. brevistylus (K. Schum. ex Vaupel) Britton & Rose -- not accepted |
| |
Corryocactus melanotrichus (K. Schum.) Britton & Rose -- accepted |
| |
Corydalis campestris (Britton) J. Buchholz & E.J. Palmer -- not accepted |
| |
Coryphantha aggregata (Engelm.) Britton & Rose -- not accepted |
| |
Coryphantha arizonica (Engelm. ex Brew & Wats) Britton & Rose -- not accepted |
| |
Coryphantha bumamma (Ehrenb.) Britton & Rose -- not accepted |
| |
Coryphantha chaffeyi (Britton & Rose) Fosberg -- not accepted -- Chaffey's cory cactus |
| |
Coryphantha chlorantha (Engelm.) Britton & Rose -- not accepted |
| |
Coryphantha compacta (Engelm.) Britton & Rose -- accepted |
| |
Coryphantha connivens Britton & Rose -- not accepted |
| |
Coryphantha cubensis Britton & Rose -- not accepted |
| |
Coryphantha deserti (Engelm.) Britton & Rose -- not accepted |
| |
Coryphantha durangensis (Runge ex K. Schum.) Britton & Rose -- accepted |
| |
Coryphantha durangensis ssp. durangensis (Runge ex K. Schum.) Britton & Rose -- accepted |
| |
Coryphantha echinoidea (Quehl) Britton & Rose -- accepted |
| |
Coryphantha echinus (Engelm.) Britton & Rose -- not accepted -- Biznaga-partida erizo, rhinoceros cactus |
| |
Coryphantha guerkeana (Boed.) Britton & Rose -- not accepted |
| |
Coryphantha macromeris ssp. runyonii (Britton & Rose) N.P. Taylor -- accepted |
| |
Coryphantha macromeris var. runyonii (Britton & Rose) L.D. Benson -- not accepted -- Runyon's beehive cactus |
| |
Coryphantha missouriensis (Sweet) Britton & Rose -- not accepted |
| |
Coryphantha muehlenpfordtii (Poselg.) Britton & Rose -- not accepted |
| |
Coryphantha neomexicana (Engelm.) Britton & Rose -- not accepted |
| |
Coryphantha nickelsiae (K. Brandegee) Britton & Rose -- accepted -- Biznaga-partida de Laredo, Nickels' cactus |
| |
Coryphantha octacantha (DC.) Britton & Rose -- accepted |
| |
Coryphantha pallida Britton & Rose -- accepted |
| |
Coryphantha pallida ssp. pallida Britton & Rose -- accepted |
| |
Coryphantha palmeri Britton & Rose -- not accepted |
| |
Coryphantha pectinata (Engelm.) Britton & Rose -- not accepted |
| |
Coryphantha poselgeriana (A. Dietr.) Britton & Rose -- accepted |
| |
Coryphantha radians (DC.) Britton & Rose -- not accepted |
| |
Coryphantha recurvata (Engelm.) Britton & Rose -- accepted -- Biznaga-partida de espinas curvas, Santa Cruz beehive cactus |
| |
Coryphantha retusa (Pfeiff.) Britton & Rose -- accepted |
| |
Coryphantha robustispina (A. Schott ex Engelm.) Britton & Rose -- accepted -- Biznaga-partida de espinas gruesas |
| |
Coryphantha robustispina ssp. robustispina (A. Schott ex Engelm.) Britton & Rose -- accepted |
| |
Coryphantha runyonii Britton & Rose -- not accepted |
| |
Coryphantha salm-dyckiana (Scheer) Britton & Rose -- not accepted |
| |
Coryphantha similis (Engelm.) Britton & Rose -- not accepted |
| |
Coryphantha sneedii (Britton & Rose) A. Berger -- not accepted |
| |
Coryphantha sneedii (Britton & Rose) A. Berger -- not accepted -- Sneed pincushion cactus |
| |
Coryphantha sneedii var. sneedii (Britton & Rose) A. Berger -- not accepted -- Sneed pincushion cactus |
| |
Coryphantha sulcata (Engelm.) Britton & Rose -- accepted -- finger cactus, pineapple cactus |
| |
Coryphantha sulcata var. sulcata (Engelm.) Britton & Rose -- not accepted -- pineapple cactus |
| |
Coryphantha vivipara (Nutt.) Britton & Rose -- not accepted |
| |
Corytoplectus grandifolius (Britton ex Rusby) Rodr.-Flores & L.E. Skog -- accepted |
| |
Cracca cathartica (Sessé & Moc.) Britton & Millsp. -- not accepted |
| |
Crantzia ambigua (Urb.) Britton -- not accepted |
| |
Crataegus chrysocarpa var. piperi (Britton) Kruschke -- accepted -- Piper's hawthorn |
| |
Crataegus columbiana var. occidentalis (Britton) Dorn -- not accepted |
| |
Crataegus columbiana var. piperi (Britton) Eggl. -- not accepted |
| |
Crataegus macracantha var. occidentalis (Britton) Eggl. -- not accepted |
| |
Crataegus margarettae var. brownii (Britton) Sarg. -- accepted |
| |
Crataegus margarettiae var. brownii (Britton) Sarg. -- not accepted |
| |
Crataegus nitida (Engelm. ex Britton & A. Br.) Sarg. -- accepted -- glossy hawthorn |
| |
Crataegus occidentalis Britton -- not accepted |
| |
Crataegus piperi Britton -- not accepted -- Piper's hawthorn |
| |
Crataegus porteri Britton -- not accepted |
| |
Crataegus pruinosa var. porteri (Britton) Eggl. -- not accepted |
| |
Crataegus punctata var. canescens Britton -- not accepted |
| |
Crataegus succulenta var. occidentalis Britton -- not accepted |
| |
Crataegus vailiae Britton -- accepted -- Miss Vail's hawthorn |
| |
Crataegus viridis var. nitida Engelm. ex Britton & A. Br. -- not accepted |
| |
Crescentia portoricensis Britton -- accepted -- calabash tree, higuero de sierra |
| |
Critonia portoricensis (Urb.) Britton & P. Wilson -- accepted -- Puerto Rico thoroughwort |
| |
Crocanthemum canadense (L.) Britton -- accepted -- Canada frostweed, Canada rockrose, crocanthčme du Canada |
| |
Crocanthemum corymbosum (Michx.) Britton -- accepted -- pine barren frostweed |
| |
Crocanthemum majus Britton -- not accepted |
| |
Crocanthemum nashii (Britton) Barnhart -- accepted -- Florida scrub frostweed, Florida scrub sunrose |
| |
Croton cueroensis Britton & P. Wilson -- not accepted |
| |
Croton fishlockii Britton -- accepted -- Fishlock's croton |
| |
Croton rigidus Britton -- not accepted -- yellow balsam |
| |
Croton rusbyi Britton ex Rusby -- accepted |
| |
Ctenidium molluscum var. condensatum (Schimp.) E. Britton -- not accepted |
| |
Cumulopuntia ignota (Britton & Rose) F. Ritter -- not accepted |
| |
Cunila origanoides (L.) Britton -- accepted -- common dittany |
| |
Curcas curcas (L.) Britton & Millsp. -- not accepted |
| |
Curcas hernandiifolia (Vent.) Britton -- not accepted |
| |
Cyclospermum leptophyllum (Pers.) Sprague ex Britton & P. Wilson -- accepted -- marsh parsley |
| |
Cylindropuntia alamosensis (Britton & Rose) Backeb. -- not accepted |
| |
Cylindropuntia alcahes var. burrageana (Britton & Rose) Rebman -- accepted |
| |
Cylindropuntia burrageana (Britton & Rose) Backeb. -- not accepted |
| |
Cylindropuntia caribaea (Britton & Rose) F.M. Knuth -- accepted |
| |
Cylindropuntia X viridiflora (Britton & Rose) F.M. Knuth -- accepted |
| |
Cymanchum anedadense (Britton) Alain -- not accepted |
| |
Cymanchum monense (Britton) Alain -- not accepted |
| |
Cynanchum anegadense (Britton) Alain -- not accepted -- Caribbean swallow-wort |
| |
Cynanchum monense (Britton) Alain -- not accepted -- Mona Island swallow-wort |
| |
Cynoctonum mitreola (L.) Britton -- not accepted |
| |
Cyperus blodgettii Britton -- not accepted -- Blodgett's flatsedge |
| |
Cyperus buckleyi Britton -- not accepted |
| |
Cyperus bushii Britton -- not accepted |
| |
Cyperus calcicola Britton -- not accepted -- Caribbean flatsedge |
| |
Cyperus careyi Britton -- not accepted |
| |
Cyperus cayennensis (Lam.) Britton, non Willd. ex Link -- not accepted |
| |
Cyperus cylindricus (Elliott) Britton -- not accepted |
| |
Cyperus deeringianus Britton & Small -- not accepted |
| |
Cyperus diandrus var. capitatus Britton -- not accepted |
| |
Cyperus esculentus var. angustispicatus Britton -- not accepted |
| |
Cyperus esculentus var. hermannii (Buckley) Britton -- accepted -- chufa flatsedge, yellow nutgrass, yellow nutsedge |
| |
Cyperus fendlerianus var. debilis (Britton) Kük. -- not accepted |
| |
Cyperus floridanus Britton -- not accepted -- Florida flatsedge |
| |
Cyperus granularis (Desf.) Britton -- not accepted |
| |
Cyperus halei Torr. ex Britton -- not accepted |
| |
Cyperus hallii Britton -- not accepted |
| |
Cyperus hansenii Britton -- not accepted |
| |
Cyperus litoreus (C.B. Clarke) Britton -- not accepted |
| |
Cyperus martindalei auct. non Britton -- not accepted |
| |
Cyperus multiflorus (Britton) Small -- not accepted |
| |
Cyperus nashii Britton -- not accepted |
| |
Cyperus niger var. capitatus (Britton) O'Neill -- not accepted |
| |
Cyperus odoratus var. squarrosus (Britton) S.D. Jones, Wipff & R. Carter -- not accepted |
| |
Cyperus parishii Britton -- accepted -- Parish flatsedge, Parish's flatsedge, Parish's nutgrass |
| |
Cyperus pollardii Britton -- not accepted |
| |
Cyperus pringlei Britton -- not accepted |
| |
Cyperus regiomontanus Britton -- accepted -- Monterey flatsedge |
| |
Cyperus retrorsus var. deeringianus (Britton & Small) Fernald & Griscom -- not accepted |
| |
Cyperus retrorsus var. nashii (Britton) Fernald & Griscom -- not accepted |
| |
Cyperus rusbyi Britton -- not accepted |
| |
Cyperus speciosus var. squarrosus Britton -- not accepted |
| |
Cyperus torreyi Britton -- not accepted |
| |
Cyperus winkleri Britton & Small -- not accepted |
| |
Cyperus wrightii Britton -- not accepted |
| |
Cyrtospadix bicolor (Aiton) Britton & P. Wilson -- not accepted |
| |
Danthonia domingensis ssp. shrevei (Britton) Conert -- accepted |
| |
Danthonia shrevei Britton -- not accepted |
| |
Dasistoma virginica (L.) Britton -- not accepted |
| |
Dasystephana grayi (Kusnez.) Britton -- not accepted |
| |
Dasystephana linearis (Froel.) Britton -- not accepted |
| |
Deamia Britton & Rose -- not accepted |
| |
Deamia testudo (Karw. ex Zucc.) Britton & Rose -- not accepted |
| |
Dendroalsia E. Britton ex Broth. -- accepted |
| |
Dendroalsia abietina (Hook.) E. Britton ex Broth. -- accepted |
| |
Dendrocereus Britton & Rose -- accepted |
| |
Dendrocereus nudiflorus (Engelm. ex Sauvalle) Britton & Rose -- accepted |
| |
Dendrocereus undulosus (DC.) Britton & Rose -- accepted |
| |
Dendropogonella (Schimp.) E. Britton -- accepted |
| |
Denmoza Britton & Rose -- accepted |
| |
Denmoza rhodacantha (Salm-Dyck) Britton & Rose -- accepted |
| |
Dentaria incisifolia Eames ex Britton -- not accepted |
| |
Descurainia incisa (Engelm. ex A. Gray) Britton -- accepted -- mountain tansymustard |
| |
Descurainia incisa ssp. incisa (Engelm. ex A. Gray) Britton -- accepted -- mountain tansymustard |
| |
Descurainia incisa var. incisa (Engelm. ex A. Gray) Britton -- not accepted |
| |
Descurainia pinnata (Walter) Britton -- accepted -- green tansymustard, pinnate tansy mustard, pinnate tansymustard, tansymustard, western tansymustard |
| |
Descurainia pinnata ssp. pinnata (Walter) Britton -- accepted -- western tansymustard |
| |
Descurainia pinnata ssp. pinnata var. pinnata (Walter) Britton -- not accepted -- western tansymustard |
| |
Desmanthus covillei (Britton & Rose) Wiggins ex B.L. Turner -- accepted -- Coville's bundleflower |
| |
Desmodium tweedyi Britton -- accepted -- Tweedy's ticktrefoil |
| |
Diamorpha cymosa (Nutt.) Britton ex Small -- not accepted |
| |
Diamorpha smallii Britton ex Small -- accepted -- elf orpine |
| |
Diapedium krugii (Urb.) Britton -- not accepted |
| |
Dichromena floridensis Britton -- not accepted |
| |
Dichromena nivea (Boeckeler) Boeckeler ex Britton -- not accepted |
| |
Dichylium Britton -- not accepted |
| |
Dichylium oerstedianum (Klotzsch & Garcke) Britton -- not accepted |
| |
Dicranella pusilla (Hedw.) E. Britton -- not accepted |
| |
Dicranodontium denudatum (Brid.) E. Britton -- accepted -- denuded dicranodontium moss |
| |
Dicranodontium millsphaughii E. Britton -- not accepted |
| |
Dicranodontium virginicum E. Britton -- not accepted |
| |
Didymopanax gleasonii Britton & P. Wilson -- not accepted |
| |
Discocactus bahiensis Britton & Rose -- accepted |
| |
Discocactus hartmannii (K. Schum.) Britton & Rose -- accepted |
| |
Discocactus heptacanthus (Barb. Rodr.) Britton & Rose -- accepted |
| |
Discocactus heptacanthus ssp. heptacanthus (Barb. Rodr.) Britton & Rose -- not accepted |
| |
Discocactus zehntneri Britton & Rose -- accepted |
| |
Discocactus zehntneri ssp. zehntneri Britton & Rose -- accepted |
| |
Disocactus eichlamii (Weing.) Britton & Rose -- accepted |
| |
Disocactus nelsonii (Britton & Rose) Linding. -- accepted |
| |
Disocactus nelsonii ssp. nelsonii (Britton & Rose) Linding. -- accepted |
| |
Disporum hookeri var. parvifolium (S. Watson) Britton -- not accepted -- drops of gold |
| |
Disporum maculatum (Buckley) Britton -- not accepted -- yellow mandarin |
| |
Disporum parvifolium (S. Watson) Britton -- not accepted |
| |
Disporum trachyandrum (Torr.) Britton -- not accepted |
| |
Ditremexa hirsuta (L.) Britton & Rose ex Britton & P. Wilson -- not accepted |
| |
Ditremexa marilandica (L.) Britton & Rose -- not accepted |
| |
Ditremexa medsgeri (Shafer) Britton & Rose -- not accepted |
| |
Ditremexa occidentalis (L.) Britton & Rose ex Britton & P. Wilson -- not accepted |
| |
Ditrichum heteromallum (Hedw.) E. Britton -- accepted |
| |
Doellingeria humilis (Willd.) Britton -- not accepted |
| |
Doellingeria umbellata var. pubens (A. Gray) Britton -- accepted -- parasol whitetop |
| |
Dolicholus pyramidalis auct. non (Lam.) Britton & P. Wilson -- not accepted |
| |
Dolichothele (K. Schum.) Britton & Rose -- not accepted |
| |
Dolichothele longimamma (DC.) Britton & Rose -- not accepted |
| |
Dolichothele nelsonii (Britton & Rose) Backeb. -- not accepted |
| |
Dolichothele sphaerica (A. Dietr.) Britton & Rose -- not accepted |
| |
Dolichothele uberiformis (Zucc. ex Pfeiff.) Britton & Rose -- not accepted |
| |
Dondia depressa auct. non (Pursh) Britton -- not accepted |
| |
Dracocephalum nuttallii Britton -- not accepted |
| |
Drummondia prorepens (Hedw.) E. Britton -- accepted |
| |
Dryopteris dryopteris (L.) Britton -- not accepted |
| |
Dryopteris X algonquinensis D.M. Britton -- accepted -- Algonquin woodfern |
| |
Duchartrea sintenisii (Urb.) Britton -- not accepted |
| |
Dudleya Britton & Rose -- accepted |
| |
Dudleya caespitosa (Haw.) Britton & Rose -- not accepted -- sealettuce |
| |
Dudleya cespitosa (Haw.) Britton & Rose -- accepted -- sealettuce |
| |
Dudleya cotyledon (Jacq.) Britton & Rose -- not accepted |
| |
Dudleya cymosa (Lem.) Britton & Rose -- accepted -- canyon liveforever |
| |
Dudleya cymosa ssp. cymosa (Lem.) Britton & Rose -- accepted -- canyon liveforever |
| |
Dudleya cymosa ssp. ovatifolia (Britton) Moran -- accepted -- Santa Monica Mountains dudleya |
| |
Dudleya farinosa (Lindley) Britton & Rose -- accepted -- powdery liveforever |
| |
Dudleya lanceolata (Nutt.) Britton & Rose -- accepted -- lanceleaf liveforever |
| |
Dudleya laxa (Lindley) Britton & Rose -- not accepted |
| |
Dudleya nevadensis (S. Watson) Britton & Rose -- not accepted |
| |
Dudleya palmeri (S. Watson) Britton & Rose -- accepted -- Palmer's liveforever |
| |
Dudleya pulverulenta (Nutt.) Britton & Rose -- accepted -- chalk dudleya, chalk liveforever |
| |
Dudleya pulverulenta ssp. pulverulenta (Nutt.) Britton & Rose -- not accepted -- chalk dudleya |
| |
Dudleya rusbyi (Greene) Britton & Rose -- not accepted |
| |
Dudleya saxosa (M.E. Jones) Britton & Rose -- accepted -- Panamint liveforever |
| |
Dudleya saxosa ssp. saxosa (M.E. Jones) Britton & Rose -- accepted -- Panamint dudleya, Panamint liveforever |
| |
Dudleya setchellii (Jeps.) Britton & Rose -- not accepted -- Santa Clara Valley dudleya, Santa Clara Valley liveforever |
| |
Duggena hirsuta (Jacq.) Britton ex Britton & P. Wilson -- not accepted |
| |
Dulichium arundinaceum (L.) Britton -- accepted -- threeway sedge |
| |
Dulichium arundinaceum var. arundinaceum (L.) Britton -- accepted -- three-way sedge |
| |
Duranta arida Britton & P. Wilson -- accepted |
| |
Ebenopsis Britton & Rose -- accepted -- Texas ebony |
| |
Ebenopsis confinis (Standl.) Britton & Rose -- accepted |
| |
Ecastaphyllum ecastaphyllum (L.) Britton -- not accepted |
| |
Eccremocactus Britton & Rose -- not accepted |
| |
Eccremocactus bradei Britton & Rose -- not accepted |
| |
Echinacea paradoxa (J.B.S. Norton) Britton -- accepted -- Bush's purple coneflower |
| |
Echinacea paradoxa var. paradoxa (J.B.S. Norton) Britton -- accepted -- Bush's purple coneflower |
| |
Echinocereus barthelowanus Britton & Rose -- accepted |
| |
Echinocereus caespitosus var. perbellus (Britton & Rose) D. Weniger -- not accepted |
| |
Echinocereus chlorophthalmus (Hook.) Britton & Rose -- not accepted |
| |
Echinocereus fitchii Britton & Rose -- not accepted |
| |
Echinocereus grandis Britton & Rose -- accepted |
| |
Echinocereus luteus Britton & Rose -- not accepted |
| |
Echinocereus mamillatus (Engelm. ex J.M. Coult.) Britton & Rose -- not accepted |
| |
Echinocereus octacanthus (Muehlenpf.) Britton & Rose -- not accepted |
| |
Echinocereus pacificus (Engelm. ex Orcutt) Britton & Rose -- accepted |
| |
Echinocereus palmeri Britton & Rose -- accepted |
| |
Echinocereus palmeri ssp. palmeri Britton & Rose -- accepted |
| |
Echinocereus perbellus Britton & Rose -- not accepted |
| |
Echinocereus reichenbachii ssp. fitchii (Britton & Rose) N.P. Taylor -- not accepted |
| |
Echinocereus reichenbachii ssp. perbellus (Britton & Rose) N.P. Taylor -- not accepted |
| |
Echinocereus reichenbachii ssp. reichenbachii (Terscheck ex Walp.) Britton & Rose -- not accepted |
| |
Echinocereus reichenbachii var. fitchii (Britton & Rose) L.D. Benson -- not accepted -- Fitch's hedgehog cactus |
| |
Echinocereus reichenbachii var. perbellus (Britton & Rose) L.D. Benson -- accepted -- lace hedgehog cactus |
| |
Echinocereus roetteri var. lloydii (Britton & Rose) Backeb. -- not accepted |
| |
Echinocereus sarissophorus Britton & Rose -- not accepted |
| |
Echinocereus scopulorum Britton & Rose -- accepted |
| |
Echinocereus viridiflorus var. standleyi (Britton & Rose) Orcutt ex D. Weniger -- not accepted |
| |
Echinocereus X lloydii Britton & Rose -- not accepted -- Lloyd's hedgehog cactus |
| |
Echinofossulocactus albatus (A. Dietr.) Britton & Rose -- not accepted |
| |
Echinofossulocactus arrigens (Link) Britton & Rose -- not accepted |
| |
Echinofossulocactus confusus Britton & Rose -- not accepted |
| |
Echinofossulocactus dichroacanthus (Mart.) Britton & Rose -- not accepted |
| |
Echinofossulocactus heteracanthus (Muehlenpf.) Britton & Rose -- not accepted |
| |
Echinofossulocactus lamellosus (A. Dietr.) Britton & Rose -- not accepted |
| |
Echinofossulocactus lancifer (A. Dietr.) Britton & Rose -- not accepted |
| |
Echinofossulocactus lloydii Britton & Rose -- not accepted |
| |
Echinofossulocactus pentacanthus (Lem.) Britton & Rose -- not accepted |
| |
Echinofossulocactus tricuspidatus (Scheidw.) Britton & Rose -- not accepted |
| |
Echinofossulocactus violaciflorus (Quehl) Britton & Rose -- not accepted |
| |
Echinofossulocactus zacatecasensis Britton & Rose -- not accepted |
| |
Echinomastus Britton & Rose -- not accepted |
| |
Echinomastus durangensis (Runge) Britton & Rose -- not accepted |
| |
Echinomastus erectocentrus (J.M. Coult.) Britton & Rose -- not accepted |
| |
Echinomastus erectocentrus var. erectocentrus (J.M. Coult.) Britton & Rose -- not accepted |
| |
Echinomastus intertextus (Engelm.) Britton & Rose -- not accepted |
| |
Echinomastus intertextus var. intertextus (Engelm.) Britton & Rose -- not accepted |
| |
Echinomastus unguispinus (Engelm.) Britton & Rose -- not accepted |
| |
Echinopsis aurea Britton & Rose -- accepted |
| |
Echinopsis aurea ssp. aurea Britton & Rose -- accepted |
| |
Echinopsis aurea ssp. shaferi (Britton & Rose) M. Lowry -- accepted |
| |
Echinopsis bruchii (Britton & Rose) Friedrich & Glaetzle -- not accepted |
| |
Echinopsis cuzcoensis (Britton & Rose) H. Friedrich & G.D. Rowley -- accepted |
| |
Echinopsis ferox (Britton & Rose) Backeb. -- accepted |
| |
Echinopsis formosa ssp. bruchii (Britton & Rose) M. Lowry -- accepted |
| |
Echinopsis longispina (Britton & Rose) Werderm. -- not accepted |
| |
Echinopsis pachanoi (Britton & Rose) H. Friedrich & G.D. Rowley -- accepted |
| |
Echinopsis pampana (Britton & Rose) D.R. Hunt -- accepted |
| |
Echinopsis peruviana (Britton & Rose) H. Friedrich & G.D. Rowley -- accepted |
| |
Echinopsis peruviana ssp. peruviana (Britton & Rose) H. Friedrich & G.D. Rowley -- not accepted |
| |
Echinopsis shaferi Britton & Rose -- not accepted |
| |
Echinopsis spegazziniana Britton & Rose -- not accepted |
| |
Echites echites (L.) Britton -- not accepted |
| |
Ectropothecium caloosiense (Austin) E. Britton -- not accepted |
| |
Eleocharis acicularis var. radicans (A. Dietr.) Britton -- not accepted |
| |
Eleocharis coloradoensis (Britton) Gilly -- accepted -- dwarf spikerush |
| |
Eleocharis leptos var. coloradoensis (Britton) Svenson -- not accepted |
| |
Eleocharis macrostachya Britton -- accepted -- pale spikerush |
| |
Eleocharis montevidensis var. parishii (Britton) V.E. Grant -- not accepted |
| |
Eleocharis ovata var. engelmannii (Steud.) Britton -- not accepted |
| |
Eleocharis parishii Britton -- accepted -- Parish spikerush, Parish's spikerush |
| |
Eleocharis parvula var. coloradoensis (Britton) Beetle -- not accepted |
| |
Eleocharis praticola Britton -- not accepted |
| |
Eleocharis ravenelii Britton -- accepted -- Rio Grande spikerush |
| |
Eleocharis shaferi Britton -- not accepted |
| |
Eleocharis smallii Britton -- not accepted -- Small's spikerush |
| |
Eleocharis wolfii (A. Gray) A. Gray ex Britton -- accepted -- wolf's spike-rush, Wolf's spikerush |
| |
Eleocharis yunquensis Britton -- not accepted |
| |
Emelista tora auct. non (L.) Britton & Rose ex Britton & P. Wilson -- not accepted |
| |
Encyclia bifida (Aubl.) Britton & P. Wilson -- not accepted -- thicket butterfly orchid |
| |
Encyclia fucata (Lindl.) Britton & Millsp. -- accepted -- West Indian butterfly orchid |
| |
Encyclia krugii (Bello) Britton & P. Wilson -- not accepted |
| |
Encyclia rufa (Lindl.) Britton & Millsp. -- accepted -- rufous butterfly orchid |
| |
Encyclia sintenisii (Rchb. f.) Britton -- not accepted -- Sintenis' butterfly orchid |
| |
Entadopsis polyphylla (Benth.) Britton -- not accepted |
| |
Entosthodon leibergii E. Britton -- not accepted |
| |
Epibaterium carolinum (L.) Britton -- not accepted |
| |
Epiphyllanthus candidus (Loefgr.) Britton & Rose -- not accepted |
| |
Epiphyllanthus microsphaericus (K. Schum.) Britton & Rose -- not accepted |
| |
Epiphyllanthus obovatus (Engelm. ex K. Schum.) Britton & Rose -- not accepted |
| |
Epiphyllum cartagense (F.A.C. Weber) Britton & Rose -- accepted |
| |
Epiphyllum caudatum Britton & Rose -- not accepted |
| |
Epiphyllum costaricense (F.A.C. Weber) Britton & Rose -- not accepted |
| |
Epiphyllum darrahii (K. Schum.) Britton & Rose -- not accepted |
| |
Epiphyllum grandilobum (F.A.C. Weber) Britton & Rose -- accepted |
| |
Epiphyllum guatemalense Britton & Rose -- not accepted |
| |
Epiphyllum hookeri ssp. guatemalense (Britton & Rose) Ralf Bauer -- accepted |
| |
Epiphyllum lepidocarpum (F.A.C. Weber) Britton & Rose -- accepted |
| |
Epiphyllum nelsonii Britton & Rose -- not accepted |
| |
Epiphyllum pittieri (F.A.C. Weber) Britton & Rose -- not accepted |
| |
Epiphyllum pumilum Britton & Rose -- accepted |
| |
Epiphyllum stenopetalum (C.F. Först.) Britton & Rose -- not accepted |
| |
Epiphyllum strictum (Lem.) Britton & Rose -- not accepted |
| |
Epiphyllum thomasianum (K. Schum.) Britton & Rose -- accepted |
| |
Epiphyllum thomasianum ssp. thomasianum (K. Schum.) Britton & Rose -- accepted |
| |
Epithelantha A. Weber ex Britton & Rose -- accepted -- pingpong ball cactus |
| |
Epithelantha micromeris (Engelm.) A. Weber ex Britton & Rose -- accepted -- Biznaga-blanca chilona, pingpong ball cactus |
| |
Epithelantha micromeris ssp. micromeris (Engelm.) A. Weber ex Britton & Rose -- not accepted |
| |
Epithelantha micromeris var. micromeris (Engelm.) A. Weber ex Britton & Rose -- not accepted -- pingpong ball cactus |
| |
Eragrostis hypnoides (Lam.) Britton, Sterns & Poggenb. -- accepted -- creeping lovegrass, teal love grass, teal lovegrass |
| |
Erdisia Britton & Rose -- not accepted |
| |
Erdisia meyenii Britton & Rose -- not accepted |
| |
Erdisia philippii (Regel & Schmidt) Britton & Rose -- not accepted |
| |
Erdisia spiniflora (Phil.) Britton & Rose -- not accepted |
| |
Erdisia squarrosa (Vaupel) Britton & Rose -- not accepted |
| |
Erigeron ramosus (Walter) Britton, Sterns & Poggenb. -- not accepted |
| |
Erigeron subtrinervis Rydb. ex Porter & Britton -- accepted -- three-nerve fleabane, threenerve fleabane, threeveined fleabane |
| |
Erigeron subtrinervis var. subtrinervis Rydb. ex Porter & Britton -- not accepted -- threenerve fleabane |
| |
Eriosyce ceratistes (Otto) Britton & Rose -- not accepted |
| |
Ernodea cokeri Britton ex Coker -- accepted -- one-nerved ernodea |
| |
Eroteum albopunctatum (Griseb.) Britton -- not accepted |
| |
Eschenbachia lyrata (Kunth) Britton & Millsp. -- not accepted |
| |
Escobaria Britton & Rose -- accepted -- foxtail cactus, pincushion cactus |
| |
Escobaria bella Britton & Rose -- not accepted |
| |
Escobaria chaffeyi Britton & Rose -- not accepted -- Biznaga-Escobar de Cedros |
| |
Escobaria chihuahuensis Britton & Rose -- accepted |
| |
Escobaria chihuahuensis ssp. chihuahuensis Britton & Rose -- accepted |
| |
Escobaria cubensis (Britton & Rose) D.R. Hunt -- accepted |
| |
Escobaria dasyacantha (Engelm.) Britton & Rose -- accepted -- Big Bend foxtail cactus, Biznaga-Escobar de espinas gruesas |
| |
Escobaria dasyacantha ssp. chaffeyi (Britton & Rose) N.P. Taylor -- accepted |
| |
Escobaria dasyacantha ssp. dasyacantha (Engelm.) Britton & Rose -- accepted |
| |
Escobaria dasyacantha var. chaffeyi (Britton & Rose) N.P. Taylor -- not accepted -- Chaffey's foxtail cactus |
| |
Escobaria dasyacantha var. dasyacantha (Engelm.) Britton & Rose -- not accepted -- Big Bend foxtail cactus |
| |
Escobaria lloydii Britton & Rose -- accepted |
| |
Escobaria runyonii Britton & Rose -- not accepted |
| |
Escobaria sneedii Britton & Rose -- accepted -- carpet foxtail cactus |
| |
Escobaria sneedii ssp. sneedii Britton & Rose -- accepted |
| |
Escobaria sneedii var. sneedii Britton & Rose -- not accepted -- carpet foxtail cactus, Sneed's foxtail cactus |
| |
Escobaria tuberculosa (Engelm.) Britton & Rose -- accepted -- Biznaga-Escobar rómbica, white column foxtail cactus |
| |
Espostoa Britton & Rose -- accepted |
| |
Espostoa lanata (Kunth) Britton & Rose -- accepted |
| |
Espostoa lanata ssp. lanata (Kunth) Britton & Rose -- accepted |
| |
Eubotrys recurva (Buckley) Britton -- accepted -- mountain fetterbush, redtwig doghobble |
| |
Eugenia boqueronensis Britton -- accepted -- Sierra de Cayey stopper |
| |
Eugenia borinquensis Britton -- accepted -- guayabota de sierra |
| |
Eugenia cordzalensis Britton -- not accepted |
| |
Eugenia corozalensis Britton -- accepted -- sperry guava |
| |
Eugenia stewardsonii Britton -- accepted -- Stewardson's stopper |
| |
Eugenia underwoodii Britton -- accepted -- Underwood's stopper |
| |
Eugenia xerophytica Britton -- not accepted -- aridland stopper |
| |
Eulychnia iquiquensis (K. Schum.) Britton & Rose -- accepted |
| |
Eulychnia iquiquensis ssp. iquiquensis (K. Schum.) Britton & Rose -- accepted |
| |
Eupatorium borinquense (Britton) B.L. Rob. -- not accepted -- limestone thoroughwort |
| |
Eupatorium dolicholepis (Urb.) Britton -- not accepted -- oreganillo |
| |
Eupatorium petaloideum Britton ex Small -- accepted -- snowy white thoroughwort |
| |
Eupatorium rotundifolium var. saundersii (Porter ex Britton) Cronquist -- not accepted |
| |
Euphorbia cowellii (Millsp. ex Britton) Oudejans -- accepted -- Cowell's sandmat |
| |
Euphorbia tithymaloides ssp. jamaicensis (Millsp. & Britton) V.W. Steinm. -- accepted |
| |
Euthamia caroliniana (L.) Greene ex Porter & Britton -- not accepted |
| |
Euthamia leptocephala (Torr. & A. Gray) Greene ex Porter & Britton -- accepted -- bushy goldentop |
| |
Evolvulus squamosus Britton -- accepted -- rockyplains dwarf morning-glory |
| |
Exogonium solanifolium (L.) Britton -- not accepted |
| |
Exostema sanctae-luciae (Kentish) Britton -- accepted -- Jamaicanbark |
| |
Facheiroa Britton & Rose -- accepted |
| |
Facheiroa pubiflora Britton & Rose -- not accepted |
| |
Ferocactus Britton & Rose -- accepted -- barrel cactus |
| |
Ferocactus acanthodes (Lem.) Britton & Rose -- not accepted |
| |
Ferocactus acanthodes var. acanthodes (Lem.) Britton & Rose -- not accepted -- viznaga |
| |
Ferocactus alamosanus (Britton & Rose) Britton & Rose -- accepted |
| |
Ferocactus alamosanus ssp. alamosanus (Britton & Rose) Britton & Rose -- accepted |
| |
Ferocactus chrysacanthus (Orcutt) Britton & Rose -- accepted |
| |
Ferocactus chrysacanthus ssp. chrysacanthus (Orcutt) Britton & Rose -- accepted |
| |
Ferocactus covillei Britton & Rose -- not accepted |
| |
Ferocactus crassihamatus (F.A.C. Weber) Britton & Rose -- not accepted |
| |
Ferocactus diguetii (F.A.C. Weber) Britton & Rose -- accepted |
| |
Ferocactus echidne (DC.) Britton & Rose -- accepted |
| |
Ferocactus emoryi ssp. covillei (Britton & Rose) D.R. Hunt & Dimmitt -- accepted |
| |
Ferocactus flavovirens (Scheidw.) Britton & Rose -- accepted |
| |
Ferocactus fordii (Orcutt) Britton & Rose -- accepted |
| |
Ferocactus fordii ssp. fordii (Orcutt) Britton & Rose -- accepted |
| |
Ferocactus glaucescens (DC.) Britton & Rose -- accepted |
| |
Ferocactus haematacanthus (Muehlenpf.) Britton & Rose -- accepted |
| |
Ferocactus hamatacanthus (Muehlenpf.) Britton & Rose -- accepted -- Biznaga-barril costillona, Turk's head |
| |
Ferocactus hamatacanthus ssp. hamatacanthus (Muehlenpf.) Britton & Rose -- accepted |
| |
Ferocactus hamatacanthus var. hamatacanthus (Muehlenpf.) Britton & Rose -- not accepted -- Turk's head |
| |
Ferocactus johnsonii (Parry ex Engelm.) Britton & Rose -- not accepted |
| |
Ferocactus johnstonianus Britton & Rose -- accepted |
| |
Ferocactus latispinus (Haw.) Britton & Rose -- accepted |
| |
Ferocactus latispinus ssp. latispinus (Haw.) Britton & Rose -- accepted |
| |
Ferocactus lecontei (Engelm.) Britton & Rose -- not accepted -- Biznaga-barril de Gila |
| |
Ferocactus macrodiscus (Mart.) Britton & Rose -- accepted |
| |
Ferocactus macrodiscus ssp. macrodiscus (Mart.) Britton & Rose -- accepted |
| |
Ferocactus peninsulae (F.A.C. Weber) Britton & Rose -- accepted |
| |
Ferocactus peninsulae ssp. santa-maria (Britton & Rose) Pilbeam & Bowdery -- not accepted |
| |
Ferocactus robustus (Link & Otto) Britton & Rose -- accepted |
| |
Ferocactus santa-maria Britton & Rose -- accepted |
| |
Ferocactus townsendianus Britton & Rose -- accepted |
| |
Ferocactus townsendianus var. santa-maria (Britton & Rose) G.E. Linds. -- not accepted |
| |
Ferocactus townsendianus var. santamaria (Britton & Rose) G.E. Linds. -- not accepted |
| |
Ferocactus uncinatus (Galeotti ex Pfeiff.) Britton & Rose -- not accepted |
| |
Ferocactus viridescens (Torr. & A. Gray) Britton & Rose -- accepted -- Biznaga-barril verdosa, coast barrel cactus, San Diego barrel cactus |
| |
Ferocactus wislizeni (Engelm.) Britton & Rose -- accepted -- Biznaga-barril de Nuevo México, candy barrel cactus, fishhook barrel cactus |
| |
Ferocactus wislizenii (Engelm.) Britton & Rose -- not accepted |
| |
Filago prolifera (Nutt. ex DC.) Britton non Pomel -- not accepted |
| |
Fimbristylis castanea var. puberula (Michx.) Britton -- not accepted |
| |
Fimbristylis curassavica (Britton) Alain -- not accepted |
| |
Fimbristylis harperi Britton ex Small -- not accepted |
| |
Fimbristylis harrisii (Britton) C.D. Adams -- not accepted -- Harris' fimbry |
| |
Fimbristylis inaguensis Britton -- accepted -- Bahama fimbry |
| |
Fimbristylis interior Britton -- not accepted |
| |
Fimbristylis perpusilla R.M. Harper ex Small & Britton -- accepted -- Harper's fimbry |
| |
Fimbristylis portoricensis (Britton) Alain -- not accepted |
| |
Fimbristylis puberula var. interior (Britton) Kral -- accepted -- hairy fimbry |
| |
Fragaria americana (Porter) Britton -- not accepted |
| |
Frailea Britton & Rose -- accepted |
| |
Frailea caespitosa (Speg.) Britton & Rose -- not accepted |
| |
Frailea cataphracta (Dams) Britton & Rose -- accepted |
| |
Frailea cataphracta ssp. cataphracta (Dams) Britton & Rose -- not accepted |
| |
Frailea gracillima (Lem.) Britton & Rose -- accepted |
| |
Frailea gracillima ssp. gracillima (Lem.) Britton & Rose -- accepted |
| |
Frailea grahliana (F. Haage) Britton & Rose -- not accepted |
| |
Frailea grahliana ssp. grahliana (F. Haage) Britton & Rose -- not accepted |
| |
Frailea knippeliana (Quehl) Britton & Rose -- not accepted |
| |
Frailea pumila (Lem.) Britton & Rose -- accepted |
| |
Frailea pumila ssp. pumila (Lem.) Britton & Rose -- not accepted |
| |
Frailea pygmaea (Speg.) Britton & Rose -- accepted |
| |
Frailea pygmaea ssp. pygmaea (Speg.) Britton & Rose -- accepted |
| |
Frailea schilinzkyana (F. Haage ex K. Schum.) Britton & Rose -- accepted |
| |
Frailea schilinzkyana ssp. schilinzkyana (F. Haage ex K. Schum.) Britton & Rose -- accepted |
| |
Fraxinus campestris Britton -- not accepted |
| |
Fraxinus darlingtonii Britton -- not accepted |
| |
Fraxinus michauxii Britton -- not accepted |
| |
Fraxinus smallii Britton -- not accepted |
| |
Fraxinus velutina var. toumeyi (Britton) Rehder -- not accepted |
| |
Gaertneria acanthicarpa (Hook.) Britton -- not accepted |
| |
Gaillardia suavis (A. Gray & Engelm.) Britton & Rusby -- accepted -- perfumeballs, sweet gaillardia |
| |
Galactia regularis (L.) Britton, Sterns & Poggenb. -- accepted -- eastern milkpea |
| |
Galactia volubilis (L.) Britton -- accepted -- downy milkpea |
| |
Galatea bulbosa (Mill.) Britton -- not accepted |
| |
Galium circaezans var. glabellum Britton -- not accepted |
| |
Galium circaezans var. glabrum Britton -- not accepted |
| |
Galium kamtschaticum var. oreganum (Britton) Piper -- not accepted |
| |
Galium latifolium var. hispidifolium Small ex Britton -- not accepted |
| |
Galium oreganum Britton -- accepted -- Oregon bedstraw |
| |
Galium peregrina Britton, Sterns & Poggenb. -- not accepted |
| |
Galium peregrinum Britton, Sterns & Poggenb. -- not accepted |
| |
Galpinsia hartwegii (Benth.) Britton -- not accepted |
| |
Garcia mayana Britton -- not accepted |
| |
Garcinia hessii (Britton) Alain -- accepted -- lemon saptree |
| |
Gaumerocassia ekmaniana (Urb.) Britton ex Britton & Rose -- not accepted |
| |
Geranium bicknellii Britton -- accepted -- Bicknell's cranesbill, northern crane's-bill |
| |
Geranium bicknellii var. bicknellii Britton -- not accepted -- Bicknell's cranesbill |
| |
Geranium nemorale var. bicknellii (Britton) Fernald -- not accepted |
| |
Gerardia besseyana Britton -- not accepted |
| |
Gerardia paupercula (A. Gray) Britton -- not accepted |
| |
Gerardia portoricensis Britton & P. Wilson -- not accepted |
| |
Gerardia virginica (L.) Britton, Sterns & Poggenb. -- not accepted |
| |
Gesneria clarensis Britton & P. Wilson -- accepted |
| |
Gesneria earlei Urb. & Britton -- accepted |
| |
Gesneria jamaicensis Britton -- accepted |
| |
Gesneria leiocarpa Urb. & Britton -- not accepted |
| |
Gesneria nipensis Britton & P. Wilson -- not accepted |
| |
Gesneria purpurascens var. yamuriensis (Britton & P. Wilson) Borhidi -- not accepted |
| |
Gesneria yamuriensis Britton & P. Wilson -- not accepted |
| |
Ghinia spinosa (Sw.) Britton & P. Wilson -- not accepted |
| |
Gilia acerosa (A. Gray) Britton -- not accepted |
| |
Glabraria geniculata (Walter) Britton -- not accepted |
| |
Glossoloma bolivianum (Britton ex Rusby) J.L. Clark -- accepted |
| |
Glycine priceana (B.L. Rob.) Britton -- not accepted |
| |
Gnaphalium helleri Britton -- not accepted |
| |
Gnaphalium helleri var. helleri Britton -- not accepted -- Heller's cudweed |
| |
Gnaphalium obtusifolium var. helleri (Britton) S.F. Blake -- not accepted |
| |
Gormania debilis (S. Watson) Britton -- not accepted |
| |
Gormania eastwoodiae Britton -- not accepted |
| |
Gormania laxa Britton -- not accepted |
| |
Gormania obtusata (A. Gray) Britton -- not accepted |
| |
Gormania oregana (Nutt.) Britton -- not accepted |
| |
Gormania watsonii Britton -- not accepted |
| |
Grimmia evansii E. Britton -- not accepted |
| |
Grimmia olympica E. Britton -- not accepted |
| |
Grimmia philibertiana E. Britton -- not accepted |
| |
Grossularia amara (McClatchie) Coville & Britton -- not accepted |
| |
Grossularia binominata (A. Heller) Coville & Britton -- not accepted |
| |
Grossularia californica (Hook. & Arn.) Coville & Britton -- not accepted |
| |
Grossularia cognata (Greene) Coville & Britton -- not accepted |
| |
Grossularia cruenta (Greene) Coville & Britton -- not accepted |
| |
Grossularia curvata (Small) Coville & Britton -- not accepted |
| |
Grossularia divaricata (Douglas) Coville & Britton -- not accepted |
| |
Grossularia greeneana (A. Heller) Coville & Britton -- not accepted |
| |
Grossularia greeneiana (A. Heller) Coville & Britton -- not accepted |
| |
Grossularia hesperia (McClatchie) Coville & Britton -- not accepted |
| |
Grossularia hystrix (Eastw.) Coville & Britton -- not accepted |
| |
Grossularia inermis (Rydb.) Coville & Britton -- not accepted |
| |
Grossularia irrigua (Douglas) Coville & Britton -- not accepted |
| |
Grossularia lasiantha (Greene) Coville & Britton -- not accepted |
| |
Grossularia lobbii (A. Gray) Coville & Britton -- not accepted |
| |
Grossularia marshallii (Greene) Coville & Britton -- not accepted |
| |
Grossularia menziesii (Pursh) Coville & Britton -- not accepted |
| |
Grossularia missouriensis (Nutt.) Coville & Britton -- not accepted |
| |
Grossularia parishii (A. Heller) Coville & Britton -- not accepted |
| |
Grossularia quercetora (Greene) Coville & Britton -- not accepted |
| |
Grossularia quercetorum (Greene) Coville & Britton -- not accepted |
| |
Grossularia roezlii (Regel) Coville & Britton -- not accepted |
| |
Grossularia rotundifolia (Michx.) Coville & Britton -- not accepted |
| |
Grossularia sericea (Eastw.) Coville & Britton -- not accepted |
| |
Grossularia setosa (Lindl.) Coville & Britton -- not accepted |
| |
Grossularia speciosa (Pursh) Coville & Britton -- not accepted |
| |
Grossularia velutina (Greene) Coville & Britton -- not accepted |
| |
Grossularia victoris (Greene) Coville & Britton -- not accepted |
| |
Grossularia watsoniana (Koehne) Coville & Britton -- not accepted |
| |
Grusonia Rchb. f. ex Britton & Rose -- accepted |
| |
Grusonia bradtiana (J.M. Coult.) Britton & Rose -- accepted |
| |
Guapira bracei (Britton) Little -- not accepted |
| |
Guapira floridana (Britton) Lundell -- not accepted |
| |
Guilandina culebrae Britton & P. Wilson -- accepted |
| |
Guilandina divergens (Urb.) Britton -- not accepted |
| |
Guilandina ovalifolia (Urb.) Britton -- not accepted |
| |
Guilandina portoricensis Britton & P. Wilson -- accepted |
| |
Gundlachia corymbosa (Urb.) Britton ex Boldingh -- accepted -- yambush |
| |
Gutierrezia sarothrae (Pursh) Britton & Rusby -- accepted -- broom snakeweed, broomweed, perennial snakeweed, stinkweed, turpentine weed, yellow top |
| |
Gymnocalycium anisitsii (K. Schum.) Britton & Rose -- accepted |
| |
Gymnocalycium anisitsii ssp. anisitsii (K. Schum.) Britton & Rose -- accepted |
| |
Gymnocalycium brachyanthum (Gürke) Britton & Rose -- not accepted |
| |
Gymnocalycium damsii (K. Schum.) Britton & Rose -- not accepted |
| |
Gymnocalycium guerkeanum (Heese) Britton & Rose -- not accepted |
| |
Gymnocalycium hyptiacanthum (Lem.) Britton & Rose -- not accepted |
| |
Gymnocalycium joossensianum (Boed.) Britton & Rose -- not accepted |
| |
Gymnocalycium kurtzianum (Gürke) Britton & Rose -- not accepted |
| |
Gymnocalycium leeanum (Hook.) Britton & Rose -- not accepted |
| |
Gymnocalycium megalothelon (Sencke) Britton & Rose -- not accepted |
| |
Gymnocalycium melanocarpum (Arechav.) Britton & Rose -- not accepted |
| |
Gymnocalycium mihanovichii (Fric & Gürke) Britton & Rose -- accepted |
| |
Gymnocalycium monvillei (Lem.) Pfeiff. ex Britton & Rose -- accepted |
| |
Gymnocalycium monvillei ssp. monvillei (Lem.) Pfeiff. ex Britton & Rose -- accepted |
| |
Gymnocalycium mostii (Gürke) Britton & Rose -- accepted |
| |
Gymnocalycium multiflorum (Hook.) Britton & Rose -- not accepted |
| |
Gymnocalycium netrelianum (Monv.) Britton & Rose -- not accepted |
| |
Gymnocalycium platense (Speg.) Britton & Rose -- not accepted |
| |
Gymnocalycium saglione (F. Cels) Britton & Rose -- not accepted |
| |
Gymnocalycium saglionis (F. Cels) Britton & Rose -- accepted |
| |
Gymnocalycium saglionis ssp. saglionis (F. Cels) Britton & Rose -- not accepted |
| |
Gymnocalycium schickendantzii (F.A.C. Weber) Britton & Rose -- accepted |
| |
Gymnocalycium schickendantzii ssp. schickendantzii (F.A.C. Weber) Britton & Rose -- accepted |
| |
Gymnocalycium spegazzinii Britton & Rose -- accepted |
| |
Gymnocalycium spegazzinii ssp. spegazzinii Britton & Rose -- accepted |
| |
Gymnocalycium stuckertii (Speg.) Britton & Rose -- not accepted |
| |
Gymnocalycium uruguayense (Arechav.) Britton & Rose -- accepted |
| |
Gymnopogon ambiguus (Michx.) Britton, Sterns & Poggenb. -- accepted -- bearded skeletongrass |
| |
Hamatocactus Britton & Rose -- not accepted |
| |
Harrisia Britton -- accepted -- applecactus |
| |
Harrisia aboriginum Small ex Britton & Rose -- accepted -- aboriginal pricklyapple, prickly applecactus |
| |
Harrisia adscendens (Gürke) Britton & Rose -- accepted |
| |
Harrisia bonplandii (J. Parm. & Pfeiff.) Britton & Rose -- not accepted |
| |
Harrisia brookii Britton -- accepted |
| |
Harrisia earlei Britton & Rose -- accepted |
| |
Harrisia eriophora (Pfeiff.) Britton -- accepted |
| |
Harrisia fernowii Britton -- accepted |
| |
Harrisia fragrans Small ex Britton & Rose -- accepted -- Caribbean applecactus |
| |
Harrisia gracilis (Mill.) Britton -- accepted |
| |
Harrisia martinii (Labour.) Britton -- accepted -- mooncactus |
| |
Harrisia nashii Britton -- accepted |
| |
Harrisia pomanensis (F.A.C. Weber ex K. Schum.) Britton & Rose -- accepted -- applecactus |
| |
Harrisia pomanensis ssp. pomanensis (F.A.C. Weber ex K. Schum.) Britton & Rose -- not accepted |
| |
Harrisia portoricensis Britton -- accepted -- higo chumbo, Puerto Rico applecactus |
| |
Harrisia simpsonii Small ex Britton & Rose -- accepted -- Simpson's applecactus |
| |
Harrisia taylorii Britton -- accepted |
| |
Harrisia tortuosa (J. Forbes ex Otto & A. Dietr.) Britton & Rose -- accepted |
| |
Hatiora Britton & Rose -- accepted |
| |
Hatiora bambusoides (F.A.C. Weber) Britton & Rose -- not accepted |
| |
Hatiora cylindrica Britton & Rose -- accepted |
| |
Hatiora salicornioides (Haw.) Britton & Rose -- accepted |
| |
Havardia mexicana (Rose) Britton & Rose -- accepted |
| |
Havardia pallens (Benth.) Britton & Rose -- accepted -- haujillo |
| |
Havardia sonorae (S. Watson) Britton & Rose -- accepted |
| |
Hedyotis croftiae (Britton & Rusby) Shinners -- not accepted |
| |
Hedysarum americanum (Michx. ex Pursh) Britton -- not accepted |
| |
Helenium setigerum (DC.) Britton & Rusby -- not accepted |
| |
Helianthemum nashii Britton -- not accepted -- Florida scrub frostweed |
| |
Helianthium tenellum (Mart.) Britton -- not accepted |
| |
Helianthocereus grandiflorus (Britton & Rose) Backeb. -- not accepted |
| |
Helianthus canus (Britton) Woot. & Standl. -- not accepted |
| |
Helianthus dalyi Britton -- not accepted |
| |
Helianthus giganteus var. subtuberosus Britton -- not accepted |
| |
Helianthus nuttallii ssp. rydbergii (Britton) R.W. Long -- accepted -- Rydberg's sunflower |
| |
Helianthus nuttallii var. rydbergii (Britton) B. Boivin -- not accepted |
| |
Helianthus nuttallii var. subtuberosus (Britton) B. Boivin -- not accepted |
| |
Helianthus rydbergii Britton -- not accepted |
| |
Helianthus scrophulariifolius Britton -- not accepted |
| |
Helianthus subtuberosus (Britton) Britton -- not accepted |
| |
Helianthus X ambiguus (A. Gray) Britton (pro sp.) -- accepted -- ambiguous sunflower |
| |
Helianthus X kellermanii Britton (pro sp.) -- accepted -- Kellerman's sunflower |
| |
Heliocereus (A. Berger) Britton & Rose -- not accepted |
| |
Heliocereus cinnabarinus (Weing.) Britton & Rose -- not accepted |
| |
Heliocereus elegantissimus Britton & Rose -- not accepted |
| |
Heliocereus schrankii (Zucc. ex Seitz) Britton & Rose -- not accepted |
| |
Heliocereus speciosus (Cav.) Britton & Rose -- not accepted |
| |
Hepatica acuta (Pursh) Britton -- not accepted |
| |
Heterosavia bahamensis (Britton) Petra Hoffm. -- accepted -- Bahama maidenbush |
| |
Heterotheca subaxillaris (Lam.) Britton & Rusby -- accepted -- camphorweed, golden aster |
| |
Heterotheca subaxillaris ssp. subaxillaris (Lam.) Britton & Rusby -- accepted |
| |
Hibiscus oculiroseus Britton -- not accepted |
| |
Hicoria alba Britton -- not accepted |
| |
Hicoria aquatica (F. Michx.) Britton -- not accepted |
| |
Hicoria cordiformis (Wangenh.) Britton -- not accepted |
| |
Hicoria glabra (Mill.) Britton -- not accepted |
| |
Hicoria myristiciformis (F. Michx.) Britton -- not accepted |
| |
Hicoria ovata (Mill.) Britton -- not accepted |
| |
Hicoria pecan (Marsh.) Britton -- not accepted |
| |
Hieracium greenii Porter & Britton -- not accepted -- Maryland hawkweed |
| |
Hieracium X alleghaniense Britton (pro sp.) -- accepted -- Allegheny hawkweed |
| |
Hipposelinum levisticum (L.) Britton & Rose -- not accepted |
| |
Hoffmannseggia peninsularis (Britton) Wiggins -- accepted |
| |
Hohenbergia attenuata Britton -- accepted -- longtip lacebark |
| |
Homalobus tenellus (Pursh) Britton -- not accepted |
| |
Homalocenchrus virginicus (Willd.) Britton -- not accepted |
| |
Homalocephala Britton & Rose -- not accepted |
| |
Homalocephala texensis (Hopffer) Britton & Rose -- not accepted |
| |
Houstonia croftiae Britton & Rusby -- accepted -- Croft's bluet |
| |
Houstonia lanceolata (Poir.) Britton -- not accepted |
| |
Houstonia purpurea var. pubescens Britton -- not accepted |
| |
Hyalocereus (A. Berger) Britton & Rose -- not accepted |
| |
Hyalocereus lemairei (Hook.) Britton & Rose -- not accepted |
| |
Hyalocereus undatus (Haw.) Britton & Rose -- not accepted |
| |
Hylocereus (A. Berger) Britton & Rose -- accepted -- nightblooming cactus |
| |
Hylocereus antiguensis Britton & Rose -- not accepted |
| |
Hylocereus calcaratus (F.A.C. Weber) Britton & Rose -- accepted |
| |
Hylocereus costaricensis (F.A.C. Weber) Britton & Rose -- accepted -- Costa Rica nightblooming cactus |
| |
Hylocereus cubensis Britton & Rose -- not accepted |
| |
Hylocereus extensus (Salm-Dyck ex DC.) Britton & Rose ex Rose -- accepted |
| |
Hylocereus guatemalensis (Eichlam) Britton & Rose -- accepted |
| |
Hylocereus lemairei (Hook.) Britton & Rose -- not accepted |
| |
Hylocereus minutiflorus Britton & Rose -- accepted |
| |
Hylocereus monacanthus (Lem.) Britton & Rose -- accepted -- nightblooming cereus |
| |
Hylocereus napoleonis (Graham) Britton & Rose -- not accepted |
| |
Hylocereus ocamponis (Salm-Dyck) Britton & Rose -- accepted |
| |
Hylocereus polyrhizus (F.A.C. Weber) Britton & Rose -- not accepted |
| |
Hylocereus purpusii (Weing.) Britton & Rose -- not accepted |
| |
Hylocereus stenopterus (F.A.C. Weber) Britton & Rose -- accepted |
| |
Hylocereus triangularis (L.) Britton & Rose -- accepted |
| |
Hylocereus undatus (Haw.) Britton & Rose -- accepted -- nightblooming cactus, Pitahaya orejona |
| |
Hylocereus venezuelensis Britton & Rose -- not accepted |
| |
Hymenorebutia aurea (Britton & Rose) F. Ritter -- not accepted |
| |
Hypericum boreale (Britton) E.P. Bicknell -- not accepted -- northern St. Johnswort |
| |
Hypericum denticulatum var. ovalifolium (Britton) S.F. Blake -- not accepted |
| |
Hypericum gentianoides (L.) Britton, Sterns & Poggenb. -- accepted -- orangegrass, pinweed St. Johnswort |
| |
Hypericum majus (A. Gray) Britton -- accepted -- greater Canadian St. John's-wort, large St. Johnswort |
| |
Hypericum mutilum ssp. boreale (Britton) J.M. Gillett -- accepted -- northern St. Johnswort |
| |
Hypochaeris chillensis (Kunth) Britton -- accepted -- Brazilian cat's ear, Tweedy's cat's ear |
| |
Icacorea glauciflora (Urb.) Britton -- not accepted |
| |
Icacorea guadalupensis (Duchass. ex Griseb.) Britton ex P. Wilson -- not accepted |
| |
Icacorea luquillensis Britton -- not accepted |
| |
Ilex arimensis (Loes.) Britton ex R.O. Williams -- accepted |
| |
Ilex bronxensis Britton -- not accepted |
| |
Ilex cookii Britton & P. Wilson -- accepted -- Cook's holly |
| |
Ilex montana var. mollis (A. Gray) Britton -- not accepted |
| |
Ilex sintenisii (Urb.) Britton -- not accepted -- Sintenis' holly |
| |
Inga inga (L.) Britton -- not accepted |
| |
Ionidium portoricense (Urb.) Krug & Urb. ex Britton & P. Wilson -- not accepted |
| |
Iris georgiana Britton -- not accepted |
| |
Isandrina emarginata (L.) Britton & Rose -- not accepted |
| |
Isanthus brachiatus (L.) Britton, Sterns & Poggenb. -- not accepted -- false pennyroyal, fluxweed |
| |
Isoetes appalachiana D.F. Brunt. & D.M. Britton -- not accepted -- Appalachian quillwort |
| |
Isoetes junciformis D.F. Brunt. & D.M. Britton -- accepted -- rush quillwort |
| |
Isoetes melanopoda ssp. silvatica D.F. Brunt. & D.M. Britton -- accepted -- blackfoot quillwort |
| |
Isoetes prototypus D.M. Britton -- accepted -- spike quillwort |
| |
Isoetes X echtuckeri D.F. Brunt. & D.M. Britton -- accepted |
| |
Isoetes X jeffreyi D.M. Britton & D.F. Brunt. -- accepted -- Jeffrey's quillwort |
| |
Isoetes X novae-angliae D.F. Brunt. & D.M. Britton -- accepted |
| |
Isoetes X pseudotruncata D.M. Britton & D.F. Brunt. -- accepted |
| |
Isoloma sprucei Britton ex Rusby -- not accepted |
| |
Jacquemontia cayensis Britton -- accepted -- sandyplain clustervine |
| |
Jacquemontia subsalina Britton -- not accepted |
| |
Jacquiniella teretifolia (Sw.) Britton & P. Wilson -- accepted -- Jacquiniella carnosa, moss tufted orchid |
| |
Jaegerinopsis squarrosa E. Britton -- not accepted |
| |
Jasminocereus Britton & Rose -- accepted |
| |
Jasminocereus galapagensis (F.A.C. Weber) Britton & Rose -- not accepted |
| |
Juniperus lucayana auct. non Britton -- not accepted |
| |
Justicia borinquensis Britton -- not accepted -- Monte Cerrote water-willow |
| |
Kneiffia allenii (Britton) Small -- not accepted |
| |
Koellia hyssopifolia (Benth.) Britton -- not accepted |
| |
Koellia pilosa (Nutt.) Britton -- not accepted |
| |
Kohleria sprucei (Britton ex Rusby) Fritsch -- not accepted |
| |
Krainzia longiflora (Britton & Rose) Backeb. -- not accepted |
| |
Krameria imparata (J.F. Macbr.) Britton -- not accepted |
| |
Lacinaria smallii Britton -- not accepted |
| |
Lactuca spicata var. integrifolia (Torr. & A. Gray) Britton -- not accepted |
| |
Lactuca steelei Britton -- not accepted |
| |
Lagenocarpus portoricensis Britton -- not accepted |
| |
Lantana arida Britton -- not accepted |
| |
Lantana bahamensis auct. non Britton -- not accepted |
| |
Lantana ovatifolia auct. non Britton. -- not accepted |
| |
Lappula texana (Scheele) Britton -- not accepted |
| |
Larrea wootonii Britton -- not accepted -- Wooton's holdback |
| |
Lathyrus arizonicus Britton -- not accepted |
| |
Lathyrus lanszwertii var. arizonicus (Britton) S.L. Welsh -- not accepted |
| |
Lauro-cerasus myrtifolia (L.) Britton -- not accepted |
| |
Laurocerasus myrtifolia (L.) Britton -- not accepted |
| |
Lavauxia brachycarpa (A. Gray) Britton -- not accepted |
| |
Lavauxia watsonii (Britton) Small -- not accepted |
| |
Leavenworthia uniflora (Michx.) Britton -- accepted -- Michaux's gladecress |
| |
Lebretonia paniculata (Cav.) Britton -- not accepted |
| |
Lechea divaricata Shuttlw. ex Britton -- accepted -- dry-sand pinweed, drysand pinweed, spreading pinweed |
| |
Lechea intermedia Legg. ex Britton -- accepted -- large-pod pinweed, largepod pinweed |
| |
Lechea intermedia var. intermedia Legg. ex Britton -- accepted -- largepod pinweed, Léchéa intermédiaire |
| |
Lechea leggettii Britton & Hollick -- not accepted |
| |
Lechea major var. divaricata (Shuttlw. ex Britton) A. Gray -- not accepted |
| |
Lechea maritima Legg. ex Britton, Sterns & Poggenb. -- accepted -- beach pinweed, hoary pinweed, seaside pinweed |
| |
Lechea maritima var. maritima Legg. ex Britton, Sterns & Poggenb. -- accepted -- beach pinweed |
| |
Lechea minor var. maritima (Legg. ex Britton, Sterns & Poggenb.) A. Gray -- not accepted |
| |
Lechea tripetala (Moc. & Sessé ex Dunal) Britton -- accepted -- threepetal pinweed |
| |
Legousia perfoliata (L.) Britton -- not accepted |
| |
Leiphaimos portoricensis Britton -- not accepted |
| |
Lemaireocereus Britton & Rose -- not accepted |
| |
Lemaireocereus aragonii (F.A.C. Weber) Britton & Rose -- not accepted |
| |
Lemaireocereus beneckei (Ehrenb.) Britton & Rose -- not accepted |
| |
Lemaireocereus cartwrightianus Britton & Rose -- not accepted |
| |
Lemaireocereus chende (Rol.-Goss.) Britton & Rose -- not accepted |
| |
Lemaireocereus chichipe (Rol.-Goss.) Britton & Rose -- not accepted |
| |
Lemaireocereus deficiens (Otto & A. Dietr.) Britton & Rose -- not accepted |
| |
Lemaireocereus eichlamii Britton & Rose -- not accepted |
| |
Lemaireocereus godingianus Britton & Rose -- not accepted |
| |
Lemaireocereus griseus (Haw.) Britton & Rose -- not accepted |
| |
Lemaireocereus hollianus (F.A.C. Weber) Britton & Rose -- not accepted |
| |
Lemaireocereus hystrix (Haw.) Britton & Rose -- not accepted |
| |
Lemaireocereus laetus (Kunth) Britton & Rose -- not accepted |
| |
Lemaireocereus longispinus Britton & Rose -- not accepted |
| |
Lemaireocereus mixtecensis (J.A. Purpus) Britton & Rose -- not accepted |
| |
Lemaireocereus montanus Britton & Rose -- not accepted |
| |
Lemaireocereus pruinosus (Otto ex Pfeiff.) Britton & Rose -- not accepted |
| |
Lemaireocereus stellatus (Pfeiff.) Britton & Rose -- not accepted |
| |
Lemaireocereus thurberi (Engelm.) Britton & Rose -- not accepted |
| |
Lemaireocereus weberi (J.M. Coult.) Britton & Rose -- not accepted |
| |
Lendneria verticillata (Mill.) Britton -- not accepted |
| |
Leocereus Britton & Rose -- accepted |
| |
Leocereus bahiensis Britton & Rose -- accepted |
| |
Leocereus glaziovii (K. Schum.) Britton & Rose -- not accepted |
| |
Leocereus melanurus (K. Schum.) Britton & Rose -- not accepted |
| |
Leontodon erythrospermum (Andrz. ex Besser) Britton -- not accepted |
| |
Leontodon latiloba (DC.) Britton -- not accepted |
| |
Lepidocoryphantha macromeris ssp. runyonii (Britton & Rose) Doweld -- not accepted |
| |
Lepidocoryphantha runyonii (Britton & Rose) Backeb. -- not accepted |
| |
Lepismium bolivianum (Britton) Barthlott -- not accepted |
| |
Lepismium crenatum (Britton) Barthlott -- not accepted |
| |
Lepismium pittieri (Britton & Rose) Backeb. -- not accepted |
| |
Leptilon canadense (L.) Britton -- not accepted |
| |
Leptilon chinense (Jacq.) Britton -- not accepted |
| |
Leptilon pusillum (Nutt.) Britton -- not accepted |
| |
Leptocereus (A. Berger) Britton & Rose -- accepted |
| |
Leptocereus arboreus Britton & Rose -- accepted |
| |
Leptocereus assurgens (C. Wright ex Griseb.) Britton & Rose -- accepted |
| |
Leptocereus grantianus Britton -- accepted -- sebucan |
| |
Leptocereus leonii Britton & Rose -- accepted |
| |
Leptocereus maxonii Britton & Rose -- not accepted |
| |
Leptocereus prostratus Britton & Rose -- not accepted |
| |
Leptocereus quadricostatus (Bello) Britton & Rose -- accepted -- pitahaya |
| |
Leptocereus sylvestris Britton & Rose -- accepted |
| |
Leptocereus weingartianus (E. Hartmann in Dams) Britton & Rose -- accepted |
| |
Leptodontium excelsum (Sull.) E. Britton -- not accepted |
| |
Leptoglottis angustisiliqua Britton & Rose -- not accepted |
| |
Leptoglottis chapmanii Small ex Britton & Rose -- not accepted |
| |
Leptoglottis floridana (Chapm.) Small ex Britton & Rose -- not accepted |
| |
Leptoglottis hystricina Small ex Britton & Rose -- not accepted |
| |
Leptoglottis microphylla (Dryand.) Britton & Rose -- not accepted |
| |
Leptoglottis nelsonii Britton & Rose -- not accepted |
| |
Leptoglottis nuttallii DC. ex Britton & Rose -- not accepted |
| |
Leptoglottis occidentalis (Wooton & Standl.) Britton & Rose -- not accepted |
| |
Lespedeza angustifolia var. brevifolia Britton -- not accepted |
| |
Lespedeza intermedia (S. Watson) Britton -- not accepted |
| |
Lespedeza prairea (Mack. & Bush) Britton -- not accepted |
| |
Lespedeza stuevei var. angustifolia Britton -- not accepted |
| |
Lespedeza texana Britton -- accepted -- Texas lespedeza |
| |
Lespedeza virginica (L.) Britton -- accepted -- slender lespedeza |
| |
Lespedeza X oblongifolia (Britton) W. Stone -- accepted -- oblong lespedeza |
| |
Lesquerella engelmannii ssp. ovalifolia (Rydb. ex Britton) C. Clark -- not accepted |
| |
Leucodontopsis floridana (Austin) E. Britton -- not accepted |
| |
Levenworthia uniflora (Michx.) Britton -- not accepted |
| |
Liatris graminifolia var. smallii (Britton) Fernald & Grisc. -- not accepted |
| |
Liatris kansana Britton -- not accepted |
| |
Ligusticum canadense (L.) Britton -- accepted -- Canadian licorice-root |
| |
Limonium carolinianum (Walter) Britton -- accepted -- American thrift, canker root, Carolina sea lavender, Carolina sealavender, lavender thrift, seaside thrift |
| |
Lindernia verticillata (Mill.) Britton -- not accepted |
| |
Linum medium (Planch.) Britton -- accepted -- stiff yellow flax |
| |
Linum medium var. medium (Planch.) Britton -- accepted -- stiff yellow flax |
| |
Lippia alba (Mill.) N.E. Br. ex Britton & P. Wilson -- accepted -- bushy lippia, white lippia |
| |
Lippia helleri Britton -- not accepted |
| |
Lippia ligustrina (Lag.) Britton -- not accepted |
| |
Lippia micromera var. helleri (Britton) Moldenke -- accepted -- Spanish thyme |
| |
Lobivia Britton & Rose -- not accepted |
| |
Lobivia andalgalensis (F.A.C. Weber ex K. Schum.) Britton & Rose -- not accepted |
| |
Lobivia aurea (Britton & Rose) Backeb. -- not accepted |
| |
Lobivia boliviensis Britton & Rose -- not accepted |
| |
Lobivia bruchii Britton & Rose -- not accepted |
| |
Lobivia cachensis (Speg.) Britton & Rose -- not accepted |
| |
Lobivia caespitosa (J.A. Purpus) Britton & Rose -- not accepted |
| |
Lobivia chionanthus (Speg.) Britton & Rose -- not accepted |
| |
Lobivia cinnabarina (Hook.) Britton & Rose -- not accepted |
| |
Lobivia corbula (Herrera) Britton & Rose -- not accepted |
| |
Lobivia cumingii (Hopffer) Britton & Rose -- not accepted |
| |
Lobivia famatimensis (Speg.) Britton & Rose -- not accepted |
| |
Lobivia ferox Britton & Rose -- not accepted |
| |
Lobivia formosa ssp. bruchii (Britton & Rose) Rausch -- not accepted |
| |
Lobivia formosa ssp. grandis (Britton & Rose) Rausch -- not accepted |
| |
Lobivia formosa var. bruchii (Britton & Rose) Rausch -- not accepted |
| |
Lobivia formosa var. grandis (Britton & Rose) Rausch -- not accepted |
| |
Lobivia grandiflora Britton & Rose -- not accepted |
| |
Lobivia grandis Britton & Rose -- not accepted |
| |
Lobivia haematantha (Speg.) Britton & Rose -- not accepted |
| |
Lobivia lateritia (Gürke) Britton & Rose -- not accepted |
| |
Lobivia longispina Britton & Rose -- not accepted |
| |
Lobivia pampana Britton & Rose -- not accepted |
| |
Lobivia pentlandii (Hook.) Britton & Rose -- not accepted |
| |
Lobivia saltensis (Speg.) Britton & Rose -- not accepted |
| |
Lobivia shaferi Britton & Rose -- not accepted |
| |
Lobivia thionantha (Speg.) Britton & Rose -- not accepted |
| |
Lophocereus (Engelm.) Britton & Rose -- not accepted |
| |
Lophocereus sargentianus (Orcutt) Britton & Rose -- not accepted |
| |
Lophocereus schottii (Engelm.) Britton & Rose -- not accepted -- Senita |
| |
Lotus helleri Britton -- not accepted |
| |
Lotus mearnsii (Britton) Greene -- not accepted -- Mearns' bird's-foot trefoil |
| |
Lotus mearnsii var. mearnsii (Britton) Greene -- not accepted -- Mearns' bird's-foot trefoil |
| |
Lotus purshianus var. helleri (Britton) Isely -- not accepted |
| |
Lotus unifoliolatus var. helleri (Britton) Kartesz & Gandhi -- not accepted -- Heller's bird's-foot trefoil |
| |
Ludwigia alternifolia var. linearifolia Britton -- not accepted |
| |
Ludwigiantha brevipes Long ex Britton, A. Braun & Small -- not accepted |
| |
Luetkea caespitosa (Nutt.) Britton -- not accepted |
| |
Luetkea caespitosa var. elatior (S. Watson) Britton -- not accepted |
| |
Lycopus amplectens var. pubens (Britton) Fernald -- not accepted |
| |
Lycopus pubens Britton -- not accepted |
| |
Lysiloma microphylla var. thornberi (Britton & Rose) Isely -- not accepted |
| |
Lysiloma microphyllum var. thornberi (Britton & Rose) Isely -- not accepted |
| |
Lysiloma thornberi Britton & Rose -- not accepted |
| |
Lysimachia terrestris (L.) Britton, Sterns & Poggenb. -- accepted -- bog loosestrife, earth loosestrife, swamp candles |
| |
Machaerocereus Britton & Rose -- not accepted |
| |
Machaerocereus eruca (Brandegee) Britton & Rose -- not accepted |
| |
Machaerocereus gummosus (Engelm.) Britton & Rose -- not accepted |
| |
Maihuenia patagonica (Phil) Britton & Rose -- accepted |
| |
Mallotonia gnaphalodes (L.) Britton -- not accepted |
| |
Malpighia shaferi Britton & P. Wilson ex Britton -- not accepted |
| |
Malpighia thompsonii Britton & P. Wilson -- not accepted |
| |
Malus ioensis (Alph. Wood) Britton -- accepted -- prairie crab apple, prairie crabapple |
| |
Malus ioensis var. ioensis (Alph. Wood) Britton -- not accepted -- prairie crab apple, prairie crabapple |
| |
Malus malus (L.) Britton -- not accepted |
| |
Malus X soulardii (L.H. Bailey) Britton (pro sp.) -- accepted -- Soulard crab |
| |
Malvastrum cochorifolium (Desr.) Britton ex Small -- not accepted |
| |
Malvastrum corchorifolium (Desr.) Britton ex Small -- accepted -- Caribbean false mallow, false mallow |
| |
Mamillopsis (E. Morren) F.A.C. Weber ex Britton & Rose -- not accepted |
| |
Mamillopsis diguetii (F.A.C. Weber) Britton & Rose -- not accepted |
| |
Mamillopsis senilis (Lodd. ex Salm-Dyck) F.A.C. Weber ex Britton & Rose -- not accepted |
| |
Mammillaria albicans (Britton & Rose) A. Berger -- accepted |
| |
Mammillaria albicans ssp. albicans (Britton & Rose) A. Berger -- accepted |
| |
Mammillaria albicans ssp. fraileana (Britton & Rose) D.R. Hunt -- accepted |
| |
Mammillaria armillata ssp. cerralboa (Britton & Rose) D.R. Hunt -- not accepted |
| |
Mammillaria cerralboa (Britton & Rose) Orcutt -- accepted |
| |
Mammillaria collinsii (Britton & Rose) Orcutt -- not accepted |
| |
Mammillaria columbiana ssp. yucatanensis (Britton & Rose) D.R. Hunt -- accepted |
| |
Mammillaria confusa (Britton & Rose) Orcutt -- not accepted |
| |
Mammillaria evermanniana (Britton & Rose) Orcutt -- accepted |
| |
Mammillaria fraileana (Britton & Rose) Backeb. -- not accepted |
| |
Mammillaria grahamii ssp. sheldonii (Britton & Rose) D.R. Hunt -- accepted |
| |
Mammillaria jaliscana (Britton & Rose) Boed. -- accepted |
| |
Mammillaria jaliscana ssp. jaliscana (Britton & Rose) Boed. -- accepted |
| |
Mammillaria lanata (Britton & Rose) Orcutt -- not accepted |
| |
Mammillaria lloydii (Britton & Rose) Orcutt -- not accepted |
| |
Mammillaria longicoma (Britton & Rose) A. Berger -- not accepted |
| |
Mammillaria longiflora (Britton & Rose) A. Berger -- accepted |
| |
Mammillaria longiflora ssp. longiflora (Britton & Rose) A. Berger -- accepted |
| |
Mammillaria mercadensis (Britton & Rose) Patoni -- accepted |
| |
Mammillaria microcarpa var. milleri (Britton & Rose) W.T. Marshall -- not accepted |
| |
Mammillaria milleri (Britton & Rose) Boed. -- not accepted -- Biznaga de Miller |
| |
Mammillaria milleri var. sheldonii (Britton & Rose) Neutel. -- not accepted |
| |
Mammillaria multiformis (Britton & Rose) Backeb. -- not accepted |
| |
Mammillaria nunezii (Britton & Rose) Orcutt -- accepted |
| |
Mammillaria nunezii ssp. nunezii (Britton & Rose) Orcutt -- accepted |
| |
Mammillaria occidentalis (Britton & Rose) Boed. -- not accepted |
| |
Mammillaria peninsularis (Britton & Rose) Orcutt -- accepted |
| |
Mammillaria pygmaea (Britton & Rose) A. Berger -- not accepted |
| |
Mammillaria rekoi (Britton & Rose) Vaupel -- accepted |
| |
Mammillaria rekoi ssp. rekoi (Britton & Rose) Vaupel -- accepted |
| |
Mammillaria runyonii (Britton & Rose) Cory -- not accepted |
| |
Mammillaria scrippsiana (Britton & Rose) Orcutt -- accepted |
| |
Mammillaria sheldonii (Britton & Rose) Boed. -- not accepted |
| |
Mammillaria slevinii (Britton & Rose) Boed. -- not accepted |
| |
Mammillaria sneedi (Britton & Rose) Cory -- not accepted |
| |
Mammillaria sneedii (Britton & Rose) Cory -- not accepted |
| |
Mammillaria solisii (Britton & Rose) Boed. -- not accepted |
| |
Mammillaria standleyi (Britton & Rose) Orcutt -- accepted |
| |
Mammillaria swinglei (Britton & Rose) Boed. -- not accepted |
| |
Mammillaria tenampensis (Britton & Rose) A. Berger -- not accepted |
| |
Mammillaria viridiflora (Britton & Rose) Cory -- accepted -- Biznaga de flor verde, greenflower nipple cactus |
| |
Mammillaria xanthina (Britton & Rose) Boed. -- not accepted |
| |
Mammillaria yucatanensis (Britton & Rose) Orcutt -- not accepted |
| |
Mariscus jamaicensis (Crantz) Britton -- not accepted |
| |
Martiusia laurifolia (Poir.) Britton -- not accepted |
| |
Martiusia rubiginosa (Juss. ex Pers.) Britton -- not accepted |
| |
Matayba oppositifolia (A. Rich.) Britton -- accepted |
| |
Matricaria grandiflora (Hook.) Britton -- not accepted |
| |
Matucana Britton & Rose -- accepted |
| |
Matucana haynei (Otto) Britton & Rose -- accepted |
| |
Matucana haynei ssp. haynei (Otto) Britton & Rose -- accepted |
| |
Maytenus elongata (Urb.) Britton -- accepted -- Puerto Rico mayten |
| |
Maytenus ponceana Britton -- accepted -- ponce mayten |
| |
Mediocactus Britton & Rose -- not accepted |
| |
Mediocactus megalanthus (K. Schum. ex Vaupel) Britton & Rose -- not accepted |
| |
Meehania Britton -- accepted |
| |
Meehania cordata (Nutt.) Britton -- accepted -- Meehan's mint |
| |
Megapterium fremontii (S. Watson) Britton -- not accepted |
| |
Mehania Britton -- not accepted |
| |
Mehania cordata (Nutt.) Britton -- not accepted |
| |
Meibomia chapmanii (Britton) Small -- not accepted |
| |
Meibomia procumbens (Mill.) Britton -- not accepted |
| |
Meibomia sintenisii (Urb.) Britton -- not accepted |
| |
Meibomia supina Britton -- not accepted |
| |
Meibomia tweedyi (Britton) Vail -- not accepted |
| |
Meibomia umbrosa Britton -- not accepted |
| |
Meibomia wydleriana (Urb.) Britton -- not accepted |
| |
Melampyrum latifolium (W.P.C. Barton) Muhl. ex Britton & A. Br. -- not accepted |
| |
Melanthera calcicola Britton -- not accepted |
| |
Melanthera confusa Britton -- not accepted |
| |
Melocactus bahiensis (Britton & Rose) Luetzelb. -- accepted |
| |
Melocactus bahiensis ssp. bahiensis (Britton & Rose) Luetzelb. -- accepted |
| |
Melocactus broadwayi (Britton & Rose) A. Berger -- accepted -- Turk's cap |
| |
Melocactus harlowii (Britton & Rose) Vaupel -- accepted |
| |
Melocactus oaxacensis (Britton & Rose) Backeb. -- not accepted |
| |
Melocactus ruestii ssp. oaxacensis (Britton & Rose) Elizondo -- not accepted |
| |
Melocactus zehntneri (Britton & Rose) Leutzelb. -- accepted |
| |
Menendezia biflora (Cogn.) Britton -- not accepted |
| |
Menendezia stahlii (Cogn.) Britton -- not accepted |
| |
Menendezia urbanii (Cogn.) Britton -- not accepted |
| |
Mertensia alaskana Britton -- not accepted |
| |
Mertensia paniculata var. alaskana (Britton) L.O. Williams -- accepted -- Alaska tall bluebells |
| |
Mesadenia tuberosa (Nutt.) Britton -- not accepted |
| |
Mesadenus lucayanus (Britton) Schltr. -- accepted -- Florida Keys ladies'-tresses, Spiranthes lucayana |
| |
Metastelma anegadense Britton -- accepted |
| |
Metastelma monense Britton -- accepted |
| |
Miconia subcorymbosa Britton -- not accepted -- forest johnny berry, forest johnnyberry |
| |
Microstylis unifolia (Michx.) Britton, Sterns & Poggenb. -- not accepted |
| |
Mikania stevensiana Britton -- accepted -- Maricao River hempvine |
| |
Mila Britton & Rose -- accepted |
| |
Mila caespitosa Britton & Rose -- accepted |
| |
Mila caespitosa ssp. caespitosa Britton & Rose -- accepted |
| |
Mimosa hystricina (Small ex Britton & Rose) B.L. Turner -- accepted -- porcupine mimosa |
| |
Mimosa nuttallii (DC. ex Britton & Rose) B.L. Turner -- accepted -- catclaw sensitivebriar, Nuttall's sensitive-briar |
| |
Mimosa quadrivalvis var. hystricina (Small ex Britton & Rose) Barneby -- not accepted |
| |
Mimosa quadrivalvis var. hystricina (Small ex Britton & Rose) Barneby -- not accepted |
| |
Mimosa quadrivalvis var. nelsonii (Britton & Rose) Barneby -- accepted -- Nelson's mimosa |
| |
Mimosa quadrivalvis var. nuttallii (DC. ex Britton & Rose) L.S. Beard ex Barneby -- not accepted |
| |
Mimosa wherryana (Britton) Standl. -- not accepted |
| |
Mimosopsis biuncifera (Benth.) Britton & Rose -- not accepted |
| |
Mimosopsis wherryana Britton -- not accepted |
| |
Mimusops emarginata (L.) Britton -- not accepted |
| |
Minuartia dawsonensis (Britton) House -- accepted -- rock stitchwort |
| |
Mirabella albicaulis (Britton & Rose) F. Ritter -- not accepted |
| |
Mirabilis longiflora var. wrightiana (A. Gray ex Britton & Kearney) Kearney & Peebles -- not accepted -- sweet four o'clock |
| |
Mirabilis wrightiana A. Gray ex Britton & Kearney -- not accepted |
| |
Mitracarpus maxwelliae Britton & P. Wilson -- accepted -- Maxwell's girdlepod |
| |
Mittenothammium diminutivum (Hampe) E. Britton -- not accepted |
| |
Mittenothamnium diminutivum (Hampe) E. Britton -- not accepted |
| |
Moldavica moldavica (L.) Britton -- not accepted |
| |
Moldavica parviflora (Nutt.) Britton -- not accepted |
| |
Moluchia pyramidata (L.) Britton -- not accepted |
| |
Moluchia tomentosa (L.) Britton -- not accepted |
| |
Monvillea Britton & Rose -- not accepted |
| |
Monvillea albicaulis (Britton & Rose) R. Kiesling -- not accepted |
| |
Monvillea amazonica (K. Schum. ex Vaupel) Britton & Rose -- not accepted |
| |
Monvillea diffusa Britton & Rose -- not accepted |
| |
Monvillea insularis (Hemsl.) Britton & Rose -- not accepted |
| |
Monvillea maritima Britton & Rose -- not accepted |
| |
Monvillea phatnosperma (K. Schum.) Britton & Rose -- not accepted |
| |
Monvillea smithiana (Britton & Rose) Backeb. -- not accepted |
| |
Monvillea spegazzinii (F.A.C. Weber) Britton & Rose -- not accepted |
| |
Morongia angustata (Torr. & A. Gray) Britton -- not accepted |
| |
Morongia microphylla (Dryand.) Britton -- not accepted |
| |
Morongia portoricensis (Urb.) Britton -- not accepted |
| |
Morongia uncinata (Willd.) Britton -- not accepted |
| |
Mosiera xerophytica (Britton) Salywon -- accepted -- aridland stopper |
| |
Mouriri helleri Britton -- accepted -- mameyuelo |
| |
Muhlenbergia racemosa (Michx.) Britton, Sterns & Poggenb. -- accepted -- green muhly, marsh muhly |
| |
Muhlenbergia tenuiflora (Willd.) Britton, Sterns & Poggenb. -- accepted -- slender muhly |
| |
Muhlenbergia tenuiflora ssp. tenuiflora (Willd.) Britton, Sterns & Poggenb. -- not accepted |
| |
Muhlenbergia tenuiflora var. tenuiflora (Willd.) Britton, Sterns & Poggenb. -- not accepted -- muhlenbergie ténue variété ténue, slender muhly |
| |
Myosotis virginica auct. non (L.) Britton, Sterns & Poggenb. -- not accepted |
| |
Myrcia portoricensis (Britton) Cedeńo-Mald. & Breckon ex F.S. Axelrod -- accepted -- Puerto Rico lidflower |
| |
Myriophyllum pinnatum (Walter) Britton, Sterns & Poggenb. -- accepted -- cut-leaf water-milfoil, cutleaf watermilfoil, green parrotfeather |
| |
Myrtillocactus cochal (Orcutt) Britton & Rose -- accepted |
| |
Myrtillocactus eichlamii Britton & Rose -- accepted |
| |
Myrtillocactus schenckii (J.A. Purpus) Britton & Rose -- accepted |
| |
Nama ovata (Nutt. ex Choisy) Britton -- not accepted |
| |
Nanomitrium megalosporum (Austin) E. Britton -- not accepted |
| |
Negundo aceroides ssp. interius (Britton) Á. Löve & D. Löve -- not accepted |
| |
Negundo interius (Britton) Rydb. -- not accepted |
| |
Neltuma velutina (Wooton) Britton & Rose -- not accepted |
| |
Neoabbottia Britton & Rose -- not accepted |
| |
Neoabbottia grantiana (Britton) Buxb. -- not accepted |
| |
Neoabbottia paniculata (Lam.) Britton & Rose -- not accepted |
| |
Neobesseya Britton & Rose -- not accepted |
| |
Neobesseya missouriensis (Sweet) Britton & Rose -- not accepted |
| |
Neobesseya notesteinii (Britton) Britton & Rose -- not accepted |
| |
Neobesseya similis (Engelm. & A. Gray) Britton & Rose -- not accepted |
| |
Neobesseya wissmannii (Hildm. ex K. Schum.) Britton & Rose -- not accepted |
| |
Neolloydia Britton & Rose -- accepted |
| |
Neolloydia beguinii (F.A.C. Weber ex K. Schum.) Britton & Rose -- not accepted |
| |
Neolloydia clavata (Scheidw.) Britton & Rose -- not accepted |
| |
Neolloydia conoidea (DC.) Britton & Rose -- accepted -- Biznaga-cónica, Chihuahuan beehive |
| |
Neomammillaria Britton & Rose -- not accepted |
| |
Neomammillaria multiformis Britton & Rose -- not accepted |
| |
Neomammillaria nivosa (Link ex Pfeiff.) Britton & Rose -- not accepted |
| |
Neomammillaria rekoi Britton & Rose -- not accepted |
| |
Neomammillaria similis (Engelm.) Britton & Rose ex Rydb. -- not accepted |
| |
Neopieris mariana (L.) Britton -- not accepted |
| |
Neopieris nitida (W. Bartram ex Marshall) Britton -- not accepted |
| |
Neoporteria Britton & Rose -- not accepted |
| |
Neoporteria chilensis (Hildm. ex K. Schum.) Britton & Rose -- not accepted |
| |
Neoporteria fusca (Muehlenpf.) Britton & Rose -- not accepted |
| |
Neoporteria jussieui (Monv. ex Salm-Dyck) Britton & Rose -- not accepted |
| |
Neoporteria nidus (Söhrens) Britton & Rose -- not accepted |
| |
Neoporteria nigricans (Linke) Britton & Rose -- not accepted |
| |
Neoporteria subgibbosa (Haw.) Britton & Rose -- not accepted |
| |
Neoraimondia Britton & Rose -- accepted |
| |
Neoraimondia macrostibas Britton & Rose -- not accepted |
| |
Neorudolphia Britton -- accepted |
| |
Neorudolphia volubilis (Willd.) Britton -- accepted -- bejuco de alambre |
| |
Neovriesia macrostachya (Bello) Britton -- not accepted |
| |
Neptunia palmeri Britton & Rose -- not accepted |
| |
Nidema Britton & Millsp. -- accepted |
| |
Nidema ottonis (Rchb. f.) Britton & Millsp. -- accepted -- fairy orchid |
| |
Niopa peregrina (L.) Britton & Rose -- not accepted |
| |
Nopalea gaumeri Britton & Rose -- not accepted |
| |
Nopalxochia Britton & Rose -- not accepted |
| |
Nopalxochia phyllanthoides (DC.) Britton & Rose -- not accepted |
| |
Norta altissima (L.) Britton -- not accepted |
| |
Norta irio (L.) Britton -- not accepted |
| |
Nothoscordum bivalve (L.) Britton -- accepted -- crowpoison |
| |
Nyctelea nyctelea (L.) Britton -- not accepted |
| |
Nyctocereus (A. Berger) Britton & Rose -- not accepted |
| |
Nyctocereus guatemalensis Britton & Rose -- not accepted |
| |
Nyctocereus hirschtianus (K. Schum.) Britton & Rose -- not accepted |
| |
Nyctocereus neumannii (K. Schum.) Britton & Rose -- not accepted |
| |
Nyctocereus oaxacensis Britton & Rose -- not accepted |
| |
Nyctocereus serpentinus (Lag. & Rodr.) Britton & Rose -- not accepted |
| |
Nymphoides nymphaeoides (L.) Britton -- not accepted |
| |
Ocotea coriacea (Sw.) Britton -- not accepted -- lancewood |
| |
Oenothera grandis (Britton) Smyth -- accepted -- largeflower eveningprimrose, showy evening primrose, showy evening-primrose, showy eveningprimrose |
| |
Oncidium bahamense Nash ex Britton & Millsp. -- not accepted |
| |
Oncophorus strumulosus (Müll. Hal. & Kindb.) E. Britton -- not accepted |
| |
Ophioglossum vulgatum var. alaskanum (E.G. Britton) C. Chr. -- not accepted |
| |
Opuntia abjecta Small ex Britton & Rose -- not accepted |
| |
Opuntia alexanderi Britton & Rose -- not accepted |
| |
Opuntia antillana Britton & Rose -- not accepted |
| |
Opuntia bahiensis Britton & Rose -- not accepted |
| |
Opuntia bella Britton & Rose -- not accepted |
| |
Opuntia boldinghii Britton & Rose -- accepted |
| |
Opuntia boringuensis Britton & Rose -- not accepted |
| |
Opuntia borinquensis Britton & Rose -- accepted -- olaga |
| |
Opuntia brasiliensis ssp. bahiensis (Britton & Rose) P.J. Braun & Esteves -- not accepted |
| |
Opuntia burrageana Britton & Rose -- not accepted |
| |
Opuntia caribaea Britton & Rose -- not accepted |
| |
Opuntia chaffeyi Britton & Rose -- accepted |
| |
Opuntia covillei Britton & Rose -- not accepted |
| |
Opuntia depauperata Britton & Rose -- not accepted |
| |
Opuntia discolor Britton & Rose -- not accepted |
| |
Opuntia durangensis Britton & Rose -- not accepted |
| |
Opuntia feroacantha Britton & Rose -- not accepted |
| |
Opuntia guatemalensis Britton & Rose -- not accepted |
| |
Opuntia haitiensis Britton -- not accepted |
| |
Opuntia imbricata var. viridiflora (Britton & Rose) D. Weniger -- not accepted |
| |
Opuntia jamaicensis Britton & Harris -- not accepted |
| |
Opuntia juniperina Britton & Rose -- not accepted |
| |
Opuntia millspaughii Britton -- not accepted |
| |
Opuntia nashii Britton -- not accepted |
| |
Opuntia occidentalis var. covillei (Britton & Rose) Munz -- not accepted |
| |
Opuntia palmadora Britton & Rose -- not accepted |
| |
Opuntia pennellii Britton & Rose -- not accepted |
| |
Opuntia pisciformis Small ex Britton & Rose -- not accepted |
| |
Opuntia pittieri Britton & Rose -- accepted |
| |
Opuntia pollardii Britton & Rose -- not accepted |
| |
Opuntia polyacantha var. juniperina (Britton & Rose) L.D. Benson -- accepted -- Juniper pricklypear |
| |
Opuntia salvadorensis Britton & Rose -- not accepted |
| |
Opuntia shaferi Britton & Rose -- not accepted |
| |
Opuntia soederstromiana Britton & Rose -- accepted |
| |
Opuntia soehrensii Britton & Rose -- not accepted |
| |
Opuntia taylorii Britton & Rose -- accepted |
| |
Opuntia tracyi Britton -- not accepted |
| |
Opuntia trichophora (Engelm. & J.M. Bigelow) Britton & Rose -- not accepted -- Nopal peludito |
| |
Opuntia vaseyi (J.M. Coult.) Britton & Rose -- not accepted |
| |
Opuntia wetmorei Britton & Rose -- not accepted |
| |
Opuntia whipplei var. viridiflora (Britton & Rose) L.D. Benson -- not accepted |
| |
Opuntia wilcoxii Britton & Rose -- accepted |
| |
Opuntia X aequatorialis Britton & Rose (pro sp.) -- accepted |
| |
Opuntia X cubensis Britton & Rose (pro sp.) -- accepted -- bullsuckers |
| |
Opuntia X lucayana Britton (pro sp.) -- accepted |
| |
Opuntia X vaseyi (J.M. Coult.) Britton & Rose (pro sp.) -- accepted |
| |
Opuntia X viridiflora Britton & Rose (pro sp.) -- not accepted -- rattail cholla, Santa Fe cholla |
| |
Orophaca caespitosa (Nutt.) Britton -- not accepted |
| |
Orophaca sericea (Nutt.) Britton -- not accepted |
| |
Oroya Britton & Rose -- accepted |
| |
Oroya peruviana (K. Schum.) Britton & Rose -- accepted |
| |
Oryzopsis juncea Britton, Sterns & Poggenb. -- not accepted |
| |
Osmia borinquensis Britton -- not accepted |
| |
Osmia corymbosa (Aubl.) Britton & P. Wilson -- not accepted |
| |
Osmia geraniifolia (Urb.) Britton & P. Wilson -- not accepted |
| |
Osmia sinuata (Lam.) Britton & P. Wilson -- not accepted |
| |
Osmorhiza divaricata (Britton) Suksd. -- not accepted |
| |
Oxypolis filiformis (Walter) Britton -- accepted -- water cowbane |
| |
Oxypolis rigidior var. longifolia (Pursh) Britton -- not accepted |
| |
Oxytropis arctica var. bellii (Britton ex Macoun) B. Boivin -- accepted -- Bell's arctic locoweed, Bell's locoweed |
| |
Oxytropis bellii (Britton ex Macoun) Palib. -- not accepted |
| |
Pachycereus (A. Berger) Britton & Rose -- accepted |
| |
Pachycereus calvus (Engelm. ex J.M. Coult.) Britton & Rose -- not accepted |
| |
Pachycereus chrysomallus (Lem.) Britton & Rose -- not accepted |
| |
Pachycereus columna-trajani (Karw.) Britton & Rose -- not accepted |
| |
Pachycereus gaumeri Britton & Rose -- accepted |
| |
Pachycereus lepidanthus (Eichlam) Britton & Rose -- accepted |
| |
Pachycereus marginatus (DC.) Britton & Rose -- accepted |
| |
Pachycereus pecten-aboriginum (Engelm. ex S. Watson) Britton & Rose -- accepted |
| |
Pachycereus pringlei (S. Watson) Britton & Rose -- accepted |
| |
Pachycereus ruficeps (F.A.C. Weber ex Rol.-Goss.) Britton & Rose -- not accepted |
| |
Packera antennariifolia (Britton) W.A. Weber & Á. Löve -- accepted -- shale barren ragwort, shalebarren ragwort |
| |
Packera crawfordii (Britton) A.M. Mahoney & R.R. Kowal -- accepted |
| |
Palamocladium leskeoides (Hook.) E. Britton -- accepted |
| |
Palicourea brevithyrsa Britton & Standl. -- not accepted |
| |
Panicum nitidum var. pauciflorum Britton -- not accepted |
| |
Panicum nitidum var. viride (Vasey) Britton -- not accepted |
| |
Panicum pubescens var. barbulatum (Michx.) Britton -- not accepted |
| |
Parakohleria sprucei (Britton ex Rusby) Wiehler -- not accepted |
| |
Paralabatia portoricensis Britton & P. Wilson -- not accepted |
| |
Pariti grande Britton -- not accepted |
| |
Pariti tiliaceum (L.) A. Juss. ex Britton & Millsp. -- not accepted |
| |
Parosela aurea (Nutt. ex Fraser) Britton -- not accepted |
| |
Parosela dalea (L.) Britton -- not accepted |
| |
Parosela enneandra (Nutt. ex Fraser) Britton -- not accepted |
| |
Parosela lanata (Spreng.) Britton -- not accepted |
| |
Parsonsia parsonsia (L.) Britton -- not accepted |
| |
Parthenium auriculatum Britton -- not accepted |
| |
Parthenium hispidum var. auriculatum (Britton) Rollins -- not accepted |
| |
Parthenium integrifolium var. auriculatum (Britton) Cornelius ex Cronquist -- not accepted -- wild quinine |
| |
Parthenocissus heptaphylla (Buckley) Britton ex Small -- accepted -- sevenleaf creeper |
| |
Paspalum intermedium Munro ex Morong & Britton -- accepted -- intermediate paspalum |
| |
Paurotis wrightii (Griseb. & H. Wendl.) Britton -- not accepted |
| |
Pearcea sprucei (Britton ex Rusby) L.P. Kvist & L.E. Skog -- accepted |
| |
Pearcea sprucei var. sprucei (Britton ex Rusby) L.P. Kvist & L.E. Skog -- accepted |
| |
Pedilanthus grisebachii Millsp. & Britton -- not accepted |
| |
Pedilanthus ierensis Britton -- not accepted |
| |
Pedilanthus jamaicensis Millsp. & Britton -- not accepted |
| |
Pedilanthus latifolius Millsp. & Britton -- not accepted |
| |
Pedilanthus tithymaloides ssp. jamaicensis (Millsp. & Britton) Dressler -- not accepted |
| |
Pediocactus Britton & Rose -- accepted -- hedgehog cactus |
| |
Pediocactus simpsonii (Engelm.) Britton & Rose -- accepted -- Simpson's hedgehog cactus, snowball pediocactus |
| |
Pediocactus simpsonii ssp. simpsonii (Engelm.) Britton & Rose -- not accepted |
| |
Pediocactus simpsonii var. simpsonii (Engelm.) Britton & Rose -- not accepted -- Simpson hedgehog cactus, Simpson's hedgehog cactus |
| |
Peiranisia bahamensis (Mill.) Britton & Rose -- not accepted |
| |
Peiranisia polyphylla (Jacq.) Britton & Rose -- not accepted |
| |
Peniocereus (A. Berger) Britton & Rose -- accepted |
| |
Peniocereus greggii (Engelm.) Britton & Rose -- accepted -- nightblooming cereus |
| |
Peniocereus greggii var. greggii (Engelm.) Britton & Rose -- accepted -- Gregg's nightblooming cereus |
| |
Peniocereus guatemalensis (Britton & Rose) D.R. Hunt -- accepted |
| |
Peniocereus johnstonii Britton & Rose -- accepted |
| |
Peniocereus oaxacensis (Britton & Rose) D.R. Hunt -- accepted |
| |
Peniocereus papillosus (Britton & Rose) U. Guzmán -- not accepted |
| |
Penstemon canescens (Britton) Britton -- accepted -- eastern gray beardtongue |
| |
Penstemon penstemon (L.) Britton -- not accepted |
| |
Peperomia wheeleri Britton -- accepted -- Wheeler's peperomia |
| |
Pepo ficifolia (Bouché) Britton -- not accepted |
| |
Pepo foetidissima (Kunth) Britton -- not accepted |
| |
Pepo moschata (Duchesne) Britton -- not accepted |
| |
Pepo pepo (L.) Britton ex Small -- not accepted |
| |
Pereskia colombiana Britton & Rose -- not accepted |
| |
Pereskia conzattii Britton & Rose -- not accepted |
| |
Pereskia cubensis Britton & Rose -- not accepted |
| |
Pereskia humboldtii Britton & Rose -- not accepted |
| |
Pereskia moorei Britton & Rose -- not accepted |
| |
Pereskia zehntneri Britton & Rose -- not accepted |
| |
Pereskiopsis Britton & Rose -- accepted |
| |
Pereskiopsis aquosa (F.A.C. Weber) Britton & Rose -- accepted |
| |
Pereskiopsis chapistle (F.A.C. Weber) Britton & Rose -- not accepted |
| |
Pereskiopsis diguetii (F.A.C. Weber) Britton & Rose -- accepted |
| |
Pereskiopsis opuntiiflora (DC.) Britton & Rose -- not accepted |
| |
Pereskiopsis pititache (Karw. ex Pfeiff.) Britton & Rose -- not accepted |
| |
Pereskiopsis porteri (Brandegee ex F.A.C. Weber) Britton & Rose -- accepted |
| |
Pereskiopsis rotundifolia (DC.) Britton & Rose -- accepted |
| |
Pereskiopsis scandens Britton & Rose -- not accepted |
| |
Pereskiopsis spathulata (Otto ex Pfeiff.) Britton & Rose -- not accepted |
| |
Perilla frutescens (L.) Britton -- accepted -- beefsteak mint, beefsteak plant, purple mint |
| |
Perilla frutescens var. frutescens (L.) Britton -- accepted -- beefsteakplant |
| |
Persea portoricensis Britton & P. Wilson -- not accepted |
| |
Petasites gracilis Britton -- not accepted |
| |
Petesioides pendula (Urb.) Britton -- not accepted |
| |
Petesioides yunquensis (Urb.) Britton -- not accepted |
| |
Petunia axillaris (Lam.) Britton, Sterns & Poggenb. -- accepted -- large white petunia |
| |
Pfeiffera boliviana (Britton) D.R. Hunt -- accepted |
| |
Pfeiffera crenata (Britton) P.V. Heath -- accepted |
| |
Phaca americana (Hook.) Rydb. ex Britton & A. Br. -- not accepted |
| |
Phaethusa helianthoides (Michx.) Britton -- not accepted |
| |
Phaethusa occidentalis (L.) Britton -- not accepted |
| |
Phaethusa virginica (L.) Britton -- not accepted |
| |
Phaseolus polystachios (L.) Britton, Sterns & Poggenb. -- accepted -- slimleaf bean, thicket bean |
| |
Phaseolus polystachios var. polystachios (L.) Britton, Sterns & Poggenb. -- accepted -- thicket bean |
| |
Phaseolus polystachyus (L.) Britton, Sterns & Poggenb. -- not accepted |
| |
Phellosperma Britton & Rose -- not accepted |
| |
Phellosperma tetrancistra (Engelm.) Britton & Rose -- not accepted |
| |
Philodendron nechodomi Britton -- not accepted |
| |
Philodendron nechodomii Britton -- not accepted |
| |
Philonotis longiseta (Michx.) E. Britton -- accepted |
| |
Philotria angustifolia (Muhl.) Britton ex Rydb. -- not accepted |
| |
Philotria canadensis (Michx.) Britton -- not accepted |
| |
Phlebotaenia cowellii Britton -- accepted |
| |
Phlox amplifolia Britton -- accepted -- largeleaf phlox |
| |
Phlox kelseyi Britton -- accepted -- Kelsey's phlox |
| |
Phlox kelseyi ssp. kelseyi Britton -- accepted -- Kelsey's phlox |
| |
Phoradendron randiae (Bello) Britton -- not accepted |
| |
Phragmites vulgaris Britton, Sterns & Poggenb. -- not accepted |
| |
Phyllanthus cuneifolius (Britton) Croizat -- accepted -- wedge leaf-flower |
| |
Phymosia cuspidata (A. Gray) Britton -- not accepted |
| |
Phymosia remota (Greene) Britton -- not accepted |
| |
Physalis ambigua (A. Gray) Britton -- not accepted |
| |
Physalodes physalodes (L.) Britton -- not accepted |
| |
Physcomitrium australe E. Britton -- not accepted |
| |
Physcomitrium californicum E. Britton -- not accepted |
| |
Physcomitrium coloradense E. Britton -- not accepted |
| |
Physcomitrium drummondii E. Britton -- not accepted |
| |
Physcomitrium kellermanii E. Britton -- not accepted |
| |
Physcomitrium kellermanii var. drummondii (E. Britton) Grout -- not accepted |
| |
Physcomitrium megalocarpum var. californicum (E. Britton) Grout -- not accepted |
| |
Physcomitrium turbinatum (Michx.) E. Britton -- not accepted |
| |
Physcomitrium turbinatum f. australe (E. Britton) Grout -- not accepted |
| |
Physcomitrium turbinatum var. langloisii (Renauld & Cardot) E. Britton -- not accepted |
| |
Physostegia denticulata sensu Fernald, non (Aiton) Britton -- not accepted |
| |
Physostegia denticulata (Aiton) Britton -- not accepted |
| |
Physostegia nuttallii (Britton) Fassett -- not accepted |
| |
Picea canadensis (Mill.) Britton, Sterns & Poggenb. -- not accepted |
| |
Picea mariana (Mill.) Britton, Sterns & Poggenb. -- accepted -- black spruce, bog spruce, shortleaf black spruce, swamp spruce |
| |
Picea mariana var. mariana (Mill.) Britton, Sterns & Poggenb. -- not accepted -- black spruce |
| |
Picradenia odorata (DC.) Britton -- not accepted |
| |
Picradeniopsis Rydb. ex Britton -- accepted -- bahia |
| |
Picradeniopsis oppositifolia (Nutt.) Rydb. ex Britton -- accepted -- opposite-leaf false bahia, oppositeleaf bahia, plains bahia |
| |
Pilea margarettae Britton -- accepted -- Margarett's clearweed |
| |
Pilea margarettiae Britton -- not accepted -- Margarett's clearweed |
| |
Pilea yunquensis (Urb.) Britton & P. Wilson -- accepted -- mountain clearweed |
| |
Pilosocereus bahamensis (Britton) Byles & G.D. Rowley -- not accepted |
| |
Pilosocereus barbadensis (Britton & Rose) Byles & G.D. Rowley -- not accepted |
| |
Pilosocereus brasiliensis (Britton & Rose) Backeb. -- accepted |
| |
Pilosocereus brasiliensis ssp. brasiliensis (Britton & Rose) Backeb. -- accepted |
| |
Pilosocereus brooksianus (Britton & Rose) Byles & G.D. Rowley -- not accepted |
| |
Pilosocereus collinsii (Britton & Rose) Byles & G.D. Rowley -- accepted |
| |
Pilosocereus gaumeri (Britton & Rose) Backeb. -- not accepted |
| |
Pilosocereus gounellei ssp. zehntneri (Britton & Rose) Zappi -- accepted |
| |
Pilosocereus keyensis (Britton & Rose) Byles & G.D. Rowley -- not accepted |
| |
Pilosocereus millspaughii (Britton) Byles & G.D. Rowley -- not accepted |
| |
Pilosocereus purpusii (Britton & Rose) Byles & G.D. Rowley -- accepted |
| |
Pilosocereus tweedyanus (Britton & Rose) Byles & G.D. Rowley -- accepted |
| |
Pilosocereus zehnteri (Britton & Rose) F. Ritter -- not accepted |
| |
Piper treleaseanum Britton & P. Wilson -- not accepted |
| |
Pisonia albida (Heimerl) Britton ex Standl. -- accepted -- corcho bobo |
| |
Pisonia floridana Britton -- not accepted -- Rock Key devil's-claws |
| |
Pithecellobium carbonarium (Britton) Niezgoda & Nevling -- not accepted |
| |
Pithecellobium keyense Coker ex Britton -- accepted -- Florida Keys blackbead |
| |
Platyopuntia discolor (Britton & Rose) F. Ritter -- not accepted |
| |
Platyopuntia soehrensii (Britton & Rose) F. Ritter -- not accepted |
| |
Pleurothallis crassipes sensu Britton & P. Wilson, non Lindl. -- not accepted |
| |
Pleuroziopsis Kindb. ex E. Britton -- accepted |
| |
Pleuroziopsis ruthenica (Weinm.) Kindb. ex E. Britton -- accepted |
| |
Plinia sintenisii (Kiaersk.) Britton -- not accepted |
| |
Poincianella Britton & Rose -- accepted |
| |
Poincianella mexicana (A. Gray) Britton & Rose -- accepted -- Mexican holdback, Mexican poinciana |
| |
Poincianella myabensis (Britton) Britton & Rose -- accepted |
| |
Polemonium caeruleum ssp. vanbruntiae (Britton) J.F. Davidson -- not accepted |
| |
Polemonium van-bruntiae Britton -- not accepted |
| |
Polemonium vanbruntiae Britton -- accepted -- Jacob's ladder, polémoine de Van-Brunt, Vanbrunt's polemonium |
| |
Polygala cowellii (Britton) S.F. Blake -- not accepted -- palo de violeta, violet tree |
| |
Polygala penaea ssp. portoricensis (Britton) Gillis -- not accepted -- crevajosa |
| |
Polygala portoricensis (Britton) S.F. Blake -- not accepted |
| |
Polygala tweedyi Britton ex Wheelock -- not accepted |
| |
Polystachya minuta (Aubl.) Britton -- not accepted |
| |
Pomaria wootonii (Britton) B.B. Simpson -- accepted -- Wooton's holdback |
| |
Poponax macracanthoides (Bertero ex DC.) Britton & Rose -- not accepted |
| |
Populus cercidiphylla Britton -- not accepted |
| |
Populus occidentalis (Rydb.) Britton ex Rydb. -- not accepted |
| |
Populus tremuloides var. cercidiphylla (Britton) Sudw. -- not accepted |
| |
Populus tweedyi Britton -- not accepted |
| |
Porteranthus Britton -- not accepted -- porteranthus |
| |
Porteranthus stipulatus (Muhl. ex Willd.) Britton -- not accepted -- Indian physic |
| |
Porteranthus trifoliatus (L.) Britton -- not accepted -- Bowman's root |
| |
Portulaca caulerpoides Britton & P. Wilson ex Britton -- accepted -- Puerto Rico purslane |
| |
Praecereus euchlorus ssp. diffusus (Britton & Rose) N.P. Taylor -- accepted |
| |
Praecereus euchlorus ssp. smithianus (Britton & Rose) N.P. Taylor -- accepted |
| |
Praecereus maritimus (Britton & Rose) Buxb. -- not accepted |
| |
Praecereus smithianus (Britton & Rose) Buxb. -- not accepted |
| |
Pseudoacanthocereus brasiliensis (Britton & Rose) F. Ritter -- accepted |
| |
Pseudocryphaea E. Britton ex Broth. -- accepted |
| |
Pseudocryphaea flagellifera (Brid.) E. Britton -- not accepted |
| |
Pseudognaphalium helleri (Britton) Anderb. -- accepted -- Heller's cudweed |
| |
Pseudognaphalium helleri ssp. helleri (Britton) Anderb. -- accepted -- Heller's cudweed |
| |
Pseudolobivia aurea (Britton & Rose) Backeb. -- not accepted |
| |
Pseudolobivia ferox (Britton & Rose) Backeb. -- not accepted |
| |
Pseudolobivia longispina (Britton & Rose) Backeb. ex Krainz -- not accepted |
| |
Pseudophoenix vinifera sensu Britton & Millsp., non (Mart.) Becc. -- not accepted |
| |
Pseudopilocereus zehntneri (Britton & Rose) P.V. Heath -- not accepted |
| |
Pseudorhipsalis Britton & Rose -- accepted |
| |
Pseudorhipsalis alata (Sw.) Britton & Rose -- accepted |
| |
Pseudorhipsalis amazonica ssp. panamensis (Britton & Rose) Ralf Bauer -- accepted |
| |
Pseudorhipsalis himantoclada (Rol.-Goss.) Britton & Rose -- accepted |
| |
Pseudorhipsalis ramulosa ssp. jamaicensis (Britton & Harris) Doweld -- accepted |
| |
Pseudotsuga taxifolia (Lamb.) Britton -- not accepted |
| |
Psiguria cookiana (Britton) -- not accepted -- algodoncillo |
| |
Psilocarya corymbifera (C. Wright) Britton -- not accepted |
| |
Psilocarya portoricensis Britton -- not accepted |
| |
Pterocactus fischeri Britton & Rose -- accepted |
| |
Pterocactus hickenii Britton & Rose -- accepted |
| |
Pterocactus pumilus Britton & Rose -- not accepted |
| |
Pterocactus skottsbergii (Britton & Rose) Backeb. -- not accepted |
| |
Pterocactus tuberosus (Pfeiff.) Britton & Rose -- accepted |
| |
Ptilimnium nuttallii (DC.) Britton -- accepted -- laceflower, Nuttall's mockbishopweed |
| |
Pulsatilla hirsutissima (Pursh) Britton -- not accepted |
| |
Pycnanthemum flexuosum auct. non (Walter) Britton, Sterns & Poggenb. -- not accepted -- Appalachian mountainmint |
| |
Pycnanthemum flexuosum (Walter) Britton, Sterns & Poggenb. -- accepted -- Appalachian mountainmint |
| |
Pyrus arbutifolia var. atropurpurea (Britton) B.L. Rob. -- not accepted |
| |
Quamasia hyacinthina (Raf.) Britton -- not accepted |
| |
Quamoclit quamoclit (L.) Britton -- not accepted |
| |
Quercus alexanderi Britton -- not accepted |
| |
Quercus schneckii Britton -- not accepted |
| |
Quercus shumardii var. schneckii (Britton) Sarg. -- not accepted -- Schneck's oak |
| |
Quercus X rudkinii Britton (pro sp.) -- accepted -- Rudkin's oak |
| |
Quiabentia Britton & Rose -- accepted |
| |
Quiabentia zehntneri (Britton & Rose) Britton & Rose -- accepted |
| |
Radicula hispida (Desv.) Britton -- not accepted |
| |
Radicula portoricensis (Spreng.) Britton -- not accepted |
| |
Raimannia grandis (Britton) Rose -- not accepted |
| |
Randia portoricensis (Urb.) Britton & Standl. -- accepted -- Puerto Rico indigoberry |
| |
Ranunculus allegheniensis Britton -- accepted -- Allegheny Mountain buttercup |
| |
Ranunculus aquatilis var. porteri (Britton) L.D. Benson -- not accepted |
| |
Ranunculus gelidus ssp. grayi (Britton) Hultén -- not accepted |
| |
Ranunculus grayi Britton -- accepted -- wetslope buttercup |
| |
Ranunculus harveyi (A. Gray) Britton -- accepted -- Harvey's buttercup |
| |
Ranunculus harveyi var. harveyi (A. Gray) Britton -- accepted -- Harvey's buttercup |
| |
Ranunculus macounii Britton -- accepted -- Macoun's buttercup |
| |
Rathbunia Britton & Rose -- not accepted |
| |
Rathbunia alamosensis (J.M. Coult.) Britton & Rose -- not accepted |
| |
Rathbunia kerberi (K. Schum.) Britton & Rose -- not accepted |
| |
Rathbunia sonorensis (Runge ex K. Schum.) Britton & Rose -- not accepted |
| |
Rebutia deminuta (F.A.C. Weber) Britton & Rose -- accepted |
| |
Rebutia deminuta ssp. deminuta (F.A.C. Weber) Britton & Rose -- accepted |
| |
Rebutia fiebrigii (Gürke) Britton & Rose -- accepted |
| |
Rebutia pseudominuscula (Speg.) Britton & Rose -- not accepted |
| |
Rebutia pygmaea (R.E. Fr.) Britton & Rose -- accepted |
| |
Rebutia steinmannii (Solms) Britton & Rose -- accepted |
| |
Rheedia hessii Britton -- not accepted |
| |
Rhexia aristosa Britton -- accepted -- awned meadowbeauty, awnpetal meadowbeauty |
| |
Rhipsalidopsis Britton & Rose -- not accepted |
| |
Rhipsalidopsis rosea (Lagerh.) Britton & Rose -- not accepted |
| |
Rhipsalis baccifera ssp. shaferi (Britton & Rose) Barthlott & N.P. Taylor -- accepted |
| |
Rhipsalis boliviana (Britton) Lauterb. ex Buchtien -- not accepted |
| |
Rhipsalis burchellii Britton & Rose -- accepted |
| |
Rhipsalis crenata (Britton) Vaupel -- not accepted |
| |
Rhipsalis cuneata Britton & Rose -- accepted |
| |
Rhipsalis floccosa ssp. pittieri (Britton & Rose) Barthlott & N.P. Taylor -- accepted |
| |
Rhipsalis heteroclada Britton & Rose -- not accepted |
| |
Rhipsalis jamaicensis Britton & Harris -- not accepted |
| |
Rhipsalis loefgrenii Britton & Rose -- not accepted |
| |
Rhipsalis pittieri Britton & Rose -- not accepted |
| |
Rhipsalis russellii Britton & Rose -- accepted |
| |
Rhipsalis shaferi Britton & Rose -- not accepted |
| |
Rhodiola integrifolia ssp. neomexicana (Britton) H. Ohba -- accepted -- New Mexican stonecrop |
| |
Rhodiola integrifolia ssp. neomexicana (Britton) Kartesz -- not accepted |
| |
Rhodiola neomexicana Britton -- not accepted |
| |
Rhodiola roanensis Britton -- not accepted |
| |
Rhodocactus colombianus (Britton & Rose) F.M. Knuth -- not accepted |
| |
Rhodocactus cubensis (Britton & Rose) F.M. Knuth -- not accepted |
| |
Rhus glabra var. borealis Britton, non Rhus borealis Greene -- not accepted |
| |
Rhus lanceolata (A. Gray) Britton -- not accepted -- prairie sumac |
| |
Rhynchospora axillaris (Lam.) Britton -- not accepted |
| |
Rhynchospora bahamensis Britton -- not accepted |
| |
Rhynchospora blauneri Britton -- not accepted |
| |
Rhynchospora borinquensis Britton -- not accepted |
| |
Rhynchospora bruneri Britton -- not accepted |
| |
Rhynchospora cephalantha var. microcephala (Britton) Kük. -- not accepted -- bunched beaksedge |
| |
Rhynchospora corymbosa (L.) Britton -- accepted -- matamat |
| |
Rhynchospora curtissii Britton -- accepted -- Curtiss' beaksedge |
| |
Rhynchospora earlei Britton -- not accepted |
| |
Rhynchospora edisoniana Britton ex Small -- not accepted |
| |
Rhynchospora floridensis (Britton) H. Pfeiff. -- accepted -- Florida whitetop |
| |
Rhynchospora globularis var. pinetorum (Britton & Small) Gale -- accepted -- globe beaksedge |
| |
Rhynchospora glomerata var. leptocarpa Chapm. ex Britton -- not accepted |
| |
Rhynchospora glomerata var. minor Britton -- not accepted |
| |
Rhynchospora intermedia (Chapm.) Britton -- not accepted -- pine barren beaksedge, pinebarren beaksedge |
| |
Rhynchospora jamaicensis Britton -- accepted -- Jamaican beaksedge |
| |
Rhynchospora leptocarpa (Chapm. ex Britton) Small -- not accepted -- slender-fruit beaksedge |
| |
Rhynchospora lindeniana var. bahamensis (Britton) Gale -- accepted -- Bahama beaksedge |
| |
Rhynchospora luquillensis Britton -- not accepted |
| |
Rhynchospora macra (C.B. Clarke ex Britton) Small -- accepted -- large beaksedge |
| |
Rhynchospora microcephala (Britton) Britton -- accepted -- smallhead beaksedge |
| |
Rhynchospora mixta Britton -- accepted -- mingled beaksedge |
| |
Rhynchospora perplexa Britton -- accepted -- pineland beaksedge |
| |
Rhynchospora perplexa var. perplexa Britton -- not accepted -- pineland beaksedge |
| |
Rhynchospora pinetorum Britton & Small -- not accepted |
| |
Rhynchospora planckii Britton -- not accepted |
| |
Rhynchospora plankii Britton -- not accepted |
| |
Rhynchospora smallii Britton -- not accepted |
| |
Rhynchospora tracyi Britton -- accepted -- Tracy's beaksedge |
| |
Rhytidophyllum earlei (Urb. & Britton) C.V. Morton -- not accepted |
| |
Ribes aureum var. gracillimum (Coville & Britton) Jeps. -- accepted -- golden currant |
| |
Ribes gracillimum Coville & Britton -- not accepted |
| |
Ricinella ricinella (L.) Britton & P. Wilson -- not accepted |
| |
Ridan alternifolia (L.) Britton -- not accepted |
| |
Ritterocereus eichlamii (Britton & Rose) Backeb. -- not accepted |
| |
Rorippa americana (A. Gray) Britton -- not accepted |
| |
Rorippa curvisiliqua (Hook.) Bessey ex Britton -- accepted -- curvepod yellowcress |
| |
Rorippa curvisiliqua var. curvisiliqua (Hook.) Bessey ex Britton -- not accepted -- curvepod yellowcress |
| |
Rorippa hispida (Desv.) Britton -- not accepted |
| |
Rorippa obtusa (Nutt.) Britton -- not accepted |
| |
Rorippa obtusa var. alpina (S. Watson) Britton -- not accepted |
| |
Rorippa palustris var. williamsii (Britton) Hultén -- not accepted |
| |
Rorippa sphaerocarpa (A. Gray) Britton -- accepted -- round-fruit yellowcress, roundfruit yellowcress |
| |
Rubus americanus (Pers.) Britton -- not accepted |
| |
Rubus baileyanus Britton -- not accepted -- Bailey's dewberry |
| |
Rubus invisus (L.H. Bailey) Britton -- not accepted -- upland dewberry |
| |
Ruellia parviflora (Nees) Britton -- not accepted |
| |
Ruellia strepens var. micrantha (Engelm. & A. Gray) Britton -- not accepted |
| |
Sabatia dodecandra (L.) Britton, Sterns & Poggenb. -- accepted -- marsh rose gentian, marsh rosegentian |
| |
Sabatia dodecandra var. dodecandra (L.) Britton, Sterns & Poggenb. -- accepted -- marsh rose gentian |
| |
Sabatia simulata Britton -- not accepted |
| |
Salix bonplandiana var. toumeyi (Britton & Shafer) C.K. Schneid. -- not accepted |
| |
Salix toumeyi Britton & Shafer -- not accepted |
| |
Salix vallicola (Dudley) Britton & Shafer -- not accepted |
| |
Salvia carnosa ssp. mearnsii (Britton) Epling -- not accepted |
| |
Salvia dorrii ssp. mearnsii (Britton) E.M. McClint. -- accepted -- Mearn sage, purple sage, Verde Valley sage |
| |
Sarcomphalus taylorii Britton -- not accepted |
| |
Savia bahamensis Britton -- not accepted -- Bahama maidenbush, maidenbush |
| |
Saxifraga michauxii Britton -- not accepted -- Michaux's saxifrage |
| |
Schefflera gleasonii (Britton & P. Wilson) Alain -- accepted -- yuquilla |
| |
Schlegelia portoricensis (Urb.) Britton -- not accepted |
| |
Schlumbergera gaertneri (Regel) Britton & Rose -- not accepted |
| |
Schlumbergera russelliana (Hook.) Britton & Rose -- accepted |
| |
Schobera angiosperma (Murray) Britton -- not accepted |
| |
Schoenoplectus novae-angliae (Britton) M.T. Strong -- not accepted -- New England bulrush |
| |
Schoenoplectus pungens var. longispicatus (Britton) S.G. Sm. -- accepted -- common threesquare |
| |
Schoepfia arenaria Britton -- accepted -- arana |
| |
Schrankia hystricina (Small ex Britton & Rose) Standl. -- not accepted |
| |
Schrankia nuttalii var. hystricina (Small ex Britton & Rose) Isley -- not accepted |
| |
Schrankia nuttallii (DC. ex Britton & Rose) Standl. -- not accepted |
| |
Schrankia nuttallii var. hystricina (Small ex Britton & Rose) Isely -- not accepted |
| |
Schrankia nuttallii var. nuttallii (DC. ex Britton & Rose) Standl. -- not accepted -- Nuttall's sensitive briar |
| |
Sciacassia siamea (Lam.) Britton -- not accepted |
| |
Scirpus americanus var. longispicatus Britton -- not accepted |
| |
Scirpus atrovirens var. pallidus Britton -- not accepted |
| |
Scirpus congdonii Britton -- accepted -- Congdon's bulrush |
| |
Scirpus cylindricus (Torr.) Britton -- not accepted |
| |
Scirpus nanus var. anachaetus (Torr.) Britton -- not accepted |
| |
Scirpus novae-angliae Britton -- not accepted |
| |
Scirpus pacificus Britton -- not accepted |
| |
Scirpus pallidus (Britton) Fernald -- accepted -- cloaked bulrush, pale bulrush |
| |
Scirpus pungens var. longispicatus (Britton) Roy L. Taylor & MacBryde -- not accepted |
| |
Scirpus robustus var. novae-angliae (Britton) Beetle -- not accepted |
| |
Scirpus X peckii Britton (pro sp.) -- accepted -- Peck's bulrush |
| |
Scleria ciliata var. curtissii (Britton) J.W. Kessler -- not accepted |
| |
Scleria costata (Britton) Small -- not accepted |
| |
Scleria curtissii Britton -- accepted -- Curtiss' nutrush |
| |
Scleria doradoensis Britton -- not accepted |
| |
Scleria havanensis Britton -- accepted -- Havana nutrush |
| |
Scleria pauciflora var. curtissii (Britton) Fairey -- not accepted -- Curtiss' nutrush |
| |
Scleria reticularis var. pubescens Britton -- not accepted |
| |
Scleria reticularis var. pumila Britton -- not accepted |
| |
Scleria stevensiana Britton -- not accepted |
| |
Scleria triglomerata var. minor Britton -- not accepted -- slender nutrush |
| |
Sclerocactus Britton & Rose -- accepted -- fishhook cactus |
| |
Sclerocactus polyancistrus (Engelm. & J.M. Bigelow) Britton & Rose -- accepted -- Mohave fishhook cactus, Mojave fishhook cactus, redspined fishhook cactus |
| |
Sclerocactus whipplei (Engelm. & J.M. Bigelow) Britton & Rose -- accepted -- Whipple's fishhook cactus |
| |
Sclerocactus whipplei ssp. whipplei (Engelm. & J.M. Bigelow) Britton & Rose -- not accepted |
| |
Sclerocactus whipplei var. whipplei (Engelm. & J.M. Bigelow) Britton & Rose -- not accepted -- Whipple's fishhook cactus |
| |
Sclerolepis uniflora (Walter) Britton, Sterns & Poggenb. -- accepted -- pink bogbutton |
| |
Scouleria marginata E. Britton -- accepted -- marginate splashzone moss |
| |
Scutellaria bushii Britton -- accepted -- Bush's skullcap |
| |
Sebesten rickseckeri (Millsp.) Britton -- not accepted |
| |
Sebesten sebestena (L.) Britton ex Small -- not accepted |
| |
Sedella Britton & Rose -- accepted -- mock stonecrop |
| |
Sedella congdonii (Eastw.) Britton & Rose -- not accepted -- Congdon's mock stonecrop |
| |
Sedella pumila (Benth.) Britton & Rose -- accepted -- Sierra mock stonecrop |
| |
Sedum cockerellii Britton -- accepted -- Cockerell's stonecrop |
| |
Sedum eastwoodiae (Britton) A. Berger -- not accepted -- Red Mountain stonecrop |
| |
Sedum integrifolium ssp. neomexicanum (Britton) R.T. Clausen -- not accepted -- New Mexican stonecrop |
| |
Sedum integrifolium var. neomexicana (Britton) R.T. Clausen -- not accepted |
| |
Sedum laxum (Britton) A. Berger -- accepted -- roseflower stonecrop |
| |
Sedum laxum ssp. eastwoodiae (Britton) R.T. Clausen -- not accepted |
| |
Sedum laxum ssp. laxum (Britton) A. Berger -- not accepted -- roseflower stonecrop |
| |
Sedum laxum var. eastwoodiae (Britton) H. Ohba -- accepted -- Red Mountain stonecrop |
| |
Sedum laxum var. laxum (Britton) A. Berger -- accepted -- roseflower stonecrop |
| |
Sedum leibergii Britton -- accepted -- Leiberg stonecrop |
| |
Sedum mexicanum Britton -- accepted -- Mexican stonecrop |
| |
Sedum rosea var. roanense (Britton) A. Berger -- not accepted |
| |
Sedum rosea var. roanensis (Britton) A. Berger -- not accepted |
| |
Sedum roseum var. roanense (Britton) A. Berger -- not accepted |
| |
Sedum smallii (Britton ex Small) H.E. Ahles -- not accepted |
| |
Sedum spathulifolium ssp. anomalum (Britton) R.T. Clausen & Uhl -- not accepted |
| |
Sedum spathulifolium ssp. pruinosum (Britton) R.T. Clausen & Uhl -- not accepted -- broadleaf stonecrop |
| |
Sedum spathulifolium ssp. yosemitense (Britton) R.T. Clausen -- not accepted -- Yosemite stonecrop |
| |
Sedum spathulifolium var. pruinosum (Britton) B. Boivin -- accepted -- broadleaf stonecrop |
| |
Sedum wootonii Britton -- not accepted |
| |
Sedum yosemitense Britton -- not accepted |
| |
Selenicereus (A. Berger) Britton & Rose -- accepted -- moonlight cactus |
| |
Selenicereus boeckmanni (Otto ex Salm-Dyck) Britton & Rose -- not accepted |
| |
Selenicereus boeckmannii (Otto ex Salm-Dyck) Britton & Rose -- not accepted |
| |
Selenicereus brevispinus Britton & Rose -- not accepted |
| |
Selenicereus coniflorus (Weing.) Britton & Rose -- not accepted -- coneflower moonlight cactus, Pitayita-noctirna de culebra |
| |
Selenicereus donkelaarii (Salm-Dyck) Britton & Rose -- not accepted |
| |
Selenicereus grandiflorus (L.) Britton & Rose -- accepted -- Pitayita-nocturna reina de la noche, queen of the night |
| |
Selenicereus grandiflorus ssp. grandiflorus (L.) Britton & Rose -- accepted |
| |
Selenicereus hamatus (Scheidw.) Britton & Rose -- accepted |
| |
Selenicereus hondurensis (K. Schum. ex Weing) Britton & Rose -- not accepted |
| |
Selenicereus inermis (Otto) Britton & Rose -- accepted |
| |
Selenicereus kunthianus (hort. ex Salm-Dyck) Britton & Rose -- not accepted |
| |
Selenicereus macdonaldiae (Hook.) Britton & Rose -- not accepted |
| |
Selenicereus murrillii Britton & Rose -- accepted |
| |
Selenicereus nelsonii (Weing.) Britton & Rose -- accepted |
| |
Selenicereus pteranthus (Link ex A. Dietr.) Britton & Rose -- accepted -- Pitayita-nocturna flor de la noche, princess of the night |
| |
Selenicereus spinulosus (DC.) Britton & Rose -- accepted -- nightblooming cereus, Pitayita-nocturna espinosa, vinelike moonlight cactus |
| |
Selenicereus urbanianus (Gürke & Weing.) Britton & Rose -- not accepted |
| |
Selenicereus vagans (Brandegee) Britton & Rose -- accepted |
| |
Selenicereus wercklei (F.A.C. Weber) Britton & Rose -- not accepted |
| |
Sematophyllum adnatum (Michx.) E. Britton -- accepted |
| |
Sematophyllum carolinianum (Müll. Hal.) E. Britton -- not accepted |
| |
Sematophyllum marylandicum (Müll. Hal.) E. Britton -- accepted -- Maryland sematophyllum moss |
| |
Sematophyllum marylandicus (Müll. Hal.) E. Britton -- not accepted |
| |
Sematophyllum novae-caesareae (Austin) E. Britton -- not accepted |
| |
Sematophyllum subpinnatum (Brid.) E. Britton -- accepted |
| |
Senecio alabamensis Britton ex Small -- not accepted |
| |
Senecio antennariifolius Britton -- not accepted -- shalebarren ragwort |
| |
Senecio balsamitae var. crawfordii (Britton) Greenm. -- not accepted |
| |
Senecio crawfordii Britton -- not accepted |
| |
Senecio discoideus (Hook.) Britton -- not accepted |
| |
Senecio hallii Britton -- not accepted |
| |
Senecio memmingeri Britton -- not accepted |
| |
Senecio obovatus var. rotundus Britton -- not accepted |
| |
Senecio pauperculus var. crawfordii (Britton) T.M. Barkley -- not accepted |
| |
Senecio rotundus (Britton) Small -- not accepted |
| |
Senecio smallii Britton -- not accepted |
| |
Senecioides cinerea (L.) Kuntze ex Britton & P. Wilson -- not accepted |
| |
Senegalia angustifolia (Lam.) Britton & Rose -- accepted |
| |
Senegalia berlandieri (Benth.) Britton & Rose -- accepted -- guajillo |
| |
Senegalia emoryana (Benth.) Britton & Rose -- not accepted |
| |
Senegalia greggii (A. Gray) Britton & Rose -- accepted -- catclaw acacia |
| |
Senegalia muricata (L.) Britton & Rose -- accepted -- spineless wattle |
| |
Senegalia riparia (Kunth) Britton & Rose -- accepted |
| |
Senegalia roemerana (Scheele) Britton & Rose -- not accepted |
| |
Senegalia roemeriana (Scheele) Britton & Rose -- accepted -- roundflower catclaw |
| |
Senegalia vogeliana (Steud.) Britton & Rose -- accepted -- macata bourse bastard |
| |
Senegalia westiana (DC.) Britton & Rose -- not accepted |
| |
Senegalia wrightii (Benth.) Britton & Rose -- not accepted |
| |
Senna orcuttii (Britton & Rose) H.S. Irwin & Barneby -- accepted -- Orcutt's senna, Orcutt's wild sensitive plant |
| |
Sericocarpus asteroides (L.) Britton, Sterns & Poggenb. -- accepted -- toothed whitetop aster |
| |
Sericocarpus linifolius (L.) Britton, Sterns & Poggenb. -- accepted -- narrowleaf whitetop aster |
| |
Sesban emerus (Aubl.) Britton & P. Wilson -- not accepted |
| |
Sesuvium maritimum (Walter) Britton, Sterns & Poggenb. -- accepted -- annual seapurslane, slender seapurslane |
| |
Sida humilis sensu Britton & P. Wilson -- not accepted |
| |
Sideranthus grindelioides (Nutt.) Britton -- not accepted |
| |
Silene menziesii ssp. williamsii (Britton) Hultén -- not accepted -- Menzies' campion |
| |
Silene menziesii var. williamsii (Britton) B. Boivin -- not accepted |
| |
Silene williamsii Britton -- accepted -- Williams's catchfly |
| |
Soehrensia bruchii (Britton & Rose) Backeb. -- not accepted |
| |
Solanum bolivianum Britton ex Rusby -- accepted |
| |
Solanum capillipes Britton -- accepted |
| |
Solanum hazenii Britton -- accepted |
| |
Solanum moense Britton & Wilson -- accepted |
| |
Solidago caroliniana (L.) Britton, Sterns & Poggenb. -- not accepted |
| |
Solidago juncea var. ramosa Porter & Britton -- not accepted |
| |
Solidago petiolaris var. wardii (Britton) Fernald -- not accepted |
| |
Solidago randii (Porter) Britton -- not accepted |
| |
Solidago wardii Britton -- not accepted |
| |
Solisia Britton & Rose -- not accepted |
| |
Solisia pectinata (Stein) Britton & Rose -- not accepted |
| |
Sophia sophia (L.) Britton -- not accepted |
| |
Sorbus arbutifolia var. atropurpurea (Britton) C.K. Schneid. -- not accepted |
| |
Spathiger ramosus (Jacq.) Britton -- not accepted |
| |
Spathularia michauxii (Britton) Small -- not accepted |
| |
Spatularia michauxii (Britton) Small -- not accepted |
| |
Sphaeralcea cuspidata (A. Gray) Britton -- not accepted |
| |
Spiraea rubra (Hill) Britton -- not accepted |
| |
Spiraea virginiana Britton -- accepted -- Virginia meadowsweet, Virginia spiraea |
| |
Spiraea virginiana var. virginiana Britton -- not accepted -- Virginia meadowsweet |
| |
Spiranthes lucayana (Britton) Cogn. -- not accepted -- green ladiestresses |
| |
Stachys ambigua (A. Gray) Britton -- not accepted |
| |
Stachys arenicola Britton -- not accepted |
| |
Stachys atlantica Britton -- not accepted |
| |
Stachys latidens Small ex Britton -- accepted -- broadtooth hedgenettle |
| |
Stachys palustris ssp. arenicola (Britton) Gill -- not accepted -- marsh hedgenettle |
| |
Stachys pilosa var. arenicola (Britton) G.A. Mulligan & D.B. Munro -- accepted -- hairy hedgenettle |
| |
Stachys tenuifolia var. latidens (Small ex Britton) J.B. Nelson -- not accepted -- smooth hedgenettle |
| |
Stanleya pinnata (Pursh) Britton -- accepted -- desert prince's-plume, golden prince's-plume |
| |
Stanleya pinnata var. pinnata (Pursh) Britton -- accepted -- desert princesplume, golden prince's-plume, pinnate princesplume |
| |
Stenocactus lloydii (Britton & Rose) A. Berger -- not accepted |
| |
Stenocereus eichlamii (Britton & Rose) Buxb. -- accepted |
| |
Stenocereus humilis (Britton & Rose) D.R. Hunt -- accepted |
| |
Stenocereus longispinus (Britton & Rose) Buxb. -- not accepted |
| |
Stenocereus montanus (Britton & Rose) Buxb. -- accepted |
| |
Stenophyllus barbatus (Rottb.) Britton -- not accepted |
| |
Stenophyllus capillaris (L.) Britton -- not accepted |
| |
Stenophyllus carteri Britton ex Small -- not accepted |
| |
Stenophyllus coarctatus (Elliott) Britton -- not accepted |
| |
Stenophyllus curassavicus Britton -- not accepted |
| |
Stenophyllus portoricensis Britton -- not accepted |
| |
Stenophyllus stenophyllus (Elliott) Britton -- not accepted |
| |
Stenophyllus warei (Torr.) Britton -- not accepted |
| |
Stenostomum obtusifolium (Urb.) Britton & P. Wilson -- accepted |
| |
Stenostomum portoricense Britton & P. Wilson -- accepted |
| |
Stenostomum sintenisii (Urb.) Britton & P. Wilson -- accepted |
| |
Stethoma comata (L.) Britton -- not accepted |
| |
Stethoma verticillaris (Nees) Britton -- not accepted |
| |
Stetsonia Britton & Rose -- accepted |
| |
Stetsonia coryne (Salm-Dyck) Britton & Rose -- accepted |
| |
Strombocactus Britton & Rose -- accepted |
| |
Strombocactus disciformis (DC.) Britton & Rose -- accepted |
| |
Strombocactus disciformis ssp. disciformis (DC.) Britton & Rose -- accepted |
| |
Strophocactus Britton & Rose -- accepted |
| |
Strophocactus wittii (K. Schum.) Britton & Rose -- accepted |
| |
Strophostyles helvula var. missouriensis (S. Watson) Britton -- not accepted |
| |
Strophostyles umbellata (Muhl. ex Willd.) Britton -- accepted -- perennial wildbean, pink fuzzybean |
| |
Stylophyllum edule (Nutt.) Britton & Rose -- not accepted |
| |
Stylophyllum parishii Britton -- not accepted |
| |
Stylophyllum viscidum (S. Watson) Britton & Rose -- not accepted |
| |
Stylosanthes biflora (L.) Britton, Sterns & Poggenb. -- accepted -- endbeak pencilflower, sidebeak pencilflower |
| |
Subpilocereus grenadensis (Britton & Rose) Backeb. -- not accepted |
| |
Sullivantia sullivantii (Torr. & A. Gray) Britton -- accepted -- Sullivant's coolwort |
| |
Swartzia longiflora (Tussac) Britton & P. Wilson -- not accepted |
| |
Symphyotrichum bahamense (Britton) G.L. Nesom -- not accepted -- Bahaman aster |
| |
Symphyotrichum bracei (Britton ex Small) G.L. Nesom -- not accepted -- Brace's aster |
| |
Symphyotrichum praealtum var. nebraskense (Britton) G.L. Nesom -- not accepted -- Nebraska aster |
| |
Symphyotrichum priceae (Britton) G.L. Nesom -- accepted -- lavender oldfield aster |
| |
Synadra hispidula (Michx.) Britton -- not accepted |
| |
Synandra hispidula (Michx.) Britton -- not accepted -- Guyandotte beauty |
| |
Syndesmon thalictroides (L.) Hoffmanns. ex Britton -- not accepted |
| |
Synosma suaveolens (L.) Raf. ex Britton -- not accepted |
| |
Tabebuia argentea (Bureau & K. Schum.) Britton -- not accepted |
| |
Tabebuia heterophylla (DC.) Britton -- accepted -- white cedar |
| |
Tabebuia lucida Britton -- not accepted |
| |
Tacinga Britton & Rose -- accepted |
| |
Tacinga funalis Britton & Rose -- accepted |
| |
Tacinga palmadora (Britton & Rose) N.P. Taylor & Stuppy -- accepted |
| |
Taonabo heptasepala (Krug & Urb.) Britton -- not accepted |
| |
Taonabo luquillensis (Krug & Urb.) Britton -- not accepted |
| |
Taonabo pachyphylla (Krug & Urb.) Britton -- not accepted |
| |
Taonabo peduncularis (DC.) Britton -- not accepted |
| |
Taonabo stahlii (Krug & Urb.) Britton -- not accepted |
| |
Taonabo subsessilis Britton -- not accepted |
| |
Tara spinosa (Molina) Britton & Rose -- accepted -- spiny holdback |
| |
Tephrocactus alexanderi (Britton & Rose) Backeb. -- accepted |
| |
Tephrocactus hickenii (Britton & Rose) Speg. -- not accepted |
| |
Tephrocactus russellii (Britton & Rose) Backeb. -- not accepted |
| |
Tepion alatum (L.) Britton -- not accepted |
| |
Ternstroemia subsessilis (Britton) Kobuski -- accepted -- el yunque colorado |
| |
Thalesia fasciculata (Nutt.) Britton -- not accepted |
| |
Thalesia uniflora (L.) Britton -- not accepted |
| |
Thalictrum coriaceum (Britton) Small -- accepted -- maid of the mist |
| |
Thamnobryum leibergii (E. Britton) Renauld & Cardot -- not accepted |
| |
Thaspium trifoliatum var. aureum (L.) Britton -- accepted -- purple meadowparsnip |
| |
Thelesperma trifidum (Poir.) Britton -- not accepted |
| |
Thelocactus (K. Schum.) Britton & Rose -- accepted |
| |
Thelocactus bicolor (Galeotti ex Pfeiff.) Britton & Rose -- accepted -- Biznaga-pezón bicolor, glory of Texas |
| |
Thelocactus bicolor ssp. bicolor (Galeotti ex Pfeiff.) Britton & Rose -- accepted |
| |
Thelocactus bicolor var. bicolor (Galeotti ex Pfeiff.) Britton & Rose -- not accepted -- glory of Texas |
| |
Thelocactus buekii (Klein bis) Britton & Rose -- accepted |
| |
Thelocactus hexaedrophorus (Lem.) Britton & Rose -- accepted |
| |
Thelocactus hexaedrophorus ssp. hexaedrophorus (Lem.) Britton & Rose -- accepted |
| |
Thelocactus hexaedrophorus ssp. lloydii (Britton & Rose) N.P. Taylor -- accepted |
| |
Thelocactus leucacanthus (Zucc. ex Pfeiff.) Britton & Rose -- accepted |
| |
Thelocactus leucacanthus ssp. leucacanthus (Zucc. ex Pfeiff.) Britton & Rose -- accepted |
| |
Thelocactus rinconensis (Poselger) Britton & Rose -- accepted |
| |
Thelocactus rinconensis ssp. rinconensis (Poselger) Britton & Rose -- accepted |
| |
Thelocactus tulensis (Polseg.) Britton & Rose -- accepted |
| |
Thelocactus tulensis ssp. tulensis (Polseg.) Britton & Rose -- not accepted |
| |
Thyana portoricensis (Radlk.) Britton -- not accepted |
| |
Thyana striata (Radlk.) Britton -- not accepted |
| |
Thymophylla aurea (A. Gray) Greene ex Britton -- accepted -- manyawn pricklyleaf |
| |
Thymophylla aurea var. aurea (A. Gray) Greene ex Britton -- accepted -- manyawn pricklyleaf |
| |
Tillaeastrum aquaticum (L.) Britton -- not accepted |
| |
Tillaeastrum drummondii (Torr. & A. Gray) Britton -- not accepted |
| |
Tillaeastrum drummondii sensu (Torr. & A. Gray) Britton -- not accepted |
| |
Tillaeastrum vaillantii auct. non (Willd.) Britton -- not accepted |
| |
Tillaeastrum viride (S. Watson) Britton -- not accepted |
| |
Tipularia unifolia Britton, Sterns & Poggenb. -- not accepted |
| |
Tissa canadensis (Pers.) Britton -- not accepted |
| |
Tissa marina (L.) Britton -- not accepted |
| |
Tissa rubra (L.) Britton -- not accepted |
| |
Tithymalus grisebachii (Millsp. & Britton) Croizat -- not accepted |
| |
Tithymalus ierensis (Britton) Croizat -- not accepted |
| |
Tithymalus jamaicensis (Millsp. & Britton) Croizat -- not accepted |
| |
Tofieldia racemosa (Walter) Britton, Sterns & Poggenb. -- not accepted -- coastal false asphodel |
| |
Tolumnia bahamensis (Nash ex Britton & Millsp.) Braem -- accepted -- variegated orchid |
| |
Torrubia bracei Britton -- not accepted |
| |
Torrubia discolor (Spreng.) Britton -- not accepted |
| |
Torrubia floridana (Britton ex Small) Britton -- not accepted |
| |
Torrubia longifolia (Heimerl) Britton -- not accepted |
| |
Torrubia obtusata (Jacq.) Britton -- not accepted |
| |
Toumeya Britton & Rose -- not accepted |
| |
Toumeya papyracantha (Engelm.) Britton & Rose -- not accepted |
| |
Toxicodendron toxicodendron (L.) Britton -- not accepted |
| |
Tradescantia montana Shuttlw. ex Britton -- not accepted |
| |
Tradescantia occidentalis (Britton) Smyth -- accepted -- prairie spiderwort, spiderwort |
| |
Tradescantia occidentalis var. occidentalis (Britton) Smyth -- accepted -- prairie spiderwort |
| |
Tradescantia subaspera var. montana (Shuttlw. ex Britton) E.S. Anderson & Woodson -- not accepted -- zigzag spiderwort |
| |
Trema floridana Britton -- not accepted |
| |
Trema floridanum Britton -- not accepted |
| |
Triadenum petiolatum (Walter) Britton -- not accepted |
| |
Tricera vahlii (Baill.) Britton -- not accepted |
| |
Trichocereus bridgesii (Salm-Dyck) Britton & Rose -- not accepted |
| |
Trichocereus bruchii (Britton & Rose) F. Ritter -- not accepted |
| |
Trichocereus candicans (Gillies ex Salm-Dyck) Britton & Rose -- not accepted |
| |
Trichocereus chiloensis (Colla) Britton & Rose -- not accepted |
| |
Trichocereus coquimbanus (Molina) Britton & Rose -- not accepted |
| |
Trichocereus cuzcoensis Britton & Rose -- not accepted |
| |
Trichocereus grandis (Britton & Rose) F. Ritter -- not accepted |
| |
Trichocereus huascha (F.A.C. Weber) Britton & Rose -- not accepted |
| |
Trichocereus pachanoi Britton & Rose -- not accepted |
| |
Trichocereus pasacana (F.A.C. Weber ex Rümpler) Britton & Rose -- not accepted |
| |
Trichocereus peruvianus Britton & Rose -- not accepted |
| |
Trichocereus schickendantzii (F.A.C. Weber) Britton & Rose -- not accepted |
| |
Trichocereus shaferi Britton & Rose -- not accepted |
| |
Trichocereus strigosus (Salm-Dyck) Britton & Rose -- not accepted |
| |
Trichocereus terscheckii (J. Parm. ex Pfeiff.) Britton & Rose -- not accepted |
| |
Trichocereus thelegonoides (Speg.) Britton & Rose -- not accepted |
| |
Trichocereus thelegonus (F.A.C. Weber) Britton & Rose -- not accepted |
| |
Triphora surinamensis (Lindl.) Britton -- accepted -- Hernando County noddingcaps |
| |
Tunilla soehrensii (Britton & Rose) D.R. Hunt & Iliff -- accepted |
| |
Typhalea fruticosa (Mill.) Britton -- not accepted |
| |
Ulota americana var. rufescens (E. Britton) Paris -- not accepted |
| |
Ulota hutchinsiae var. rufescens (E. Britton) Dixon -- accepted -- Hutchins' ulota moss |
| |
Ulota nutchinsiae var. rufescens (E. Britton) Dixon -- not accepted |
| |
Uniola laxa (L.) Britton, Sterns & Poggenb. -- not accepted |
| |
Urechites lutea (L.) Britton -- not accepted |
| |
Urechites luteus (L.) Britton -- not accepted |
| |
Utahia Britton & Rose -- not accepted |
| |
Utahia sileri (Engelm. ex J.M. Coult.) Britton & Rose -- not accepted |
| |
Utricularia cleistogama (A. Gray) Britton -- not accepted |
| |
Uva-Ursi uva-ursi (L.) Britton -- not accepted |
| |
Uvularia nitida (Britton) Mack. -- not accepted |
| |
Uvularia puberula var. nitida (Britton) Fernald -- not accepted |
| |
Uvularia pudica var. nitida (Britton) Fernald -- not accepted |
| |
Vaccaria vaccaria (L.) Britton -- not accepted |
| |
Vaccinium nigrum (Alph. Wood) Britton -- not accepted |
| |
Vachellia anegadensis (Britton) Seigler & Ebinger -- accepted -- blackbrush wattle |
| |
Vachellia vernicosa (Britton & Rose) Seigler & Ebinger -- accepted -- viscid acacia |
| |
Valerianoides strigosa (Vahl) Britton -- not accepted |
| |
Vanilla vanilla (L.) Britton -- not accepted |
| |
Varronia bellonis (Urb.) Britton -- accepted -- serpentine manjack |
| |
Varronia rupicola (Urb.) Britton -- accepted -- Puerto Rico manjack |
| |
Verbena canadensis (L.) Britton -- not accepted |
| |
Verbena peruviana (L.) Britton -- not accepted |
| |
Verbesina alternifolia (L.) Britton ex Kearney -- accepted -- wingstem |
| |
Vernonia noveboracensis var. tomentosa (Elliot) Britton -- not accepted |
| |
Viburnum dentatum var. venosum (Britton) Gleason -- accepted -- southern arrowwood |
| |
Viburnum scabrellum var. venosum (Britton) McAtee -- not accepted |
| |
Viburnum venosum Britton -- not accepted |
| |
Vincetoxicum baldwynianum (Sweet) Britton -- not accepted |
| |
Vincetoxicum carolinense (Jacq.) Britton -- not accepted |
| |
Vincetoxicum hirsutum (Michx.) Britton -- not accepted |
| |
Vincetoxicum obliquum (Jacq.) Britton -- not accepted |
| |
Vincetoxicum shortii (A. Gray) Britton -- not accepted |
| |
Vincetoxicum sintenisii (Schltr.) Britton -- not accepted |
| |
Vincetoxicum stephanotrichum (Griseb.) Britton -- not accepted |
| |
Vincetoxicum suberosum (L.) Britton -- not accepted |
| |
Vincetoxicum variifolium (Schltr.) Britton -- not accepted |
| |
Viola canadensis var. scariosa Porter ex Britton -- accepted -- Canadian white violet |
| |
Viorna addisonii (Britton) Small -- not accepted |
| |
Viorna pitcheri (Torr. & A. Gray) Britton -- not accepted |
| |
Vitis heptaphylla (Buckley) Britton -- not accepted |
| |
Waltheria bahamensis Britton -- accepted |
| |
Washingtonia claytonii (Michx.) Britton -- not accepted |
| |
Washingtonia divaricata Britton -- not accepted |
| |
Washingtonia longistylis (Torr.) Britton -- not accepted |
| |
Weberocereus Britton & Rose -- accepted |
| |
Weberocereus biolleyi (F.A.C. Weber) Britton & Rose -- not accepted |
| |
Weberocereus bradei (Britton & Rose) G.D. Rowley -- accepted |
| |
Weberocereus panamensis Britton & Rose -- not accepted |
| |
Weberocereus tunilla (F.A.C. Weber) Britton & Rose -- accepted |
| |
Websteria submersa (C. Wright) Britton -- not accepted |
| |
Weissia americana var. rufescens E. Britton -- not accepted |
| |
Werckleocereus Britton & Rose -- not accepted |
| |
Werckleocereus glaber (Eichlam) Britton & Rose -- not accepted |
| |
Werckleocereus tonduzii (F.A.C. Weber) Britton & Rose -- not accepted |
| |
Wilcoxia Britton & Rose -- not accepted |
| |
Wilcoxia papillosa Britton & Rose -- not accepted |
| |
Wilcoxia poselgeri (Lem.) Britton & Rose -- not accepted |
| |
Wilcoxia striata (Brandegee) Britton & Rose -- not accepted |
| |
Wilcoxia viperina (F.A.C. Weber) Britton & Rose -- not accepted |
| |
Wilmattea Britton & Rose -- not accepted |
| |
Wilmattea minutiflora (Britton & Rose) Britton & Rose -- not accepted |
| |
Wittiocactus panamensis (Britton & Rose) Rauschert -- not accepted |
| |
X Sorbaronia arsenii (Britton ex L. Arsčne) G.N. Jones -- accepted -- Arsen's sorbaronia |
| |
Xanthium commune Britton -- not accepted |
| |
Xanthium macounii Britton -- not accepted |
| |
Xolisma ligustrina (L.) Britton -- not accepted |
| |
Xylophylla epiphyllantha (L.) Britton -- not accepted |
| |
Zamia lucayana Britton -- accepted |
| |
Zamia silicea Britton -- not accepted |
| |
Zehntnerella Britton & Rose -- not accepted |
| |
Zehntnerella squamulosa Britton & Rose -- not accepted |
| |
Zizia bebbii (J.M. Coult. & Rose) Britton -- not accepted |
| |
Ziziphus taylorii (Britton) M.C. Johnst. -- accepted -- Taylor's jujube |
| |
Zygodon rufotomentosus E. Britton ex Malta -- not accepted |
| |
Zygodon rupestris (Lindb. ex Hartm.) Lindb. ex E. Britton -- not accepted |
| |
Zygodon viridissimus var. rufotomentosus (E. Britton ex Malta) Grout -- not accepted |
| |
|
