| Scientific Name (Synonyms are indented) |
Common Name |
| Abies Mill. |
fir |
| Abies concolor (Gord. & Glend.) Lindl. ex Hildebr. |
white fir |
| Abies concolor (Gord. & Glend.) Lindl. ex Hildebr. var. concolor |
white fir |
| Abies concolor (Gord. & Glend.) Lindl. ex Hildebr. var. lowiana (Gord. & Glend.) Lemmon |
white fir |
| Abies lowiana (Gord. & Glend.) A. Murray |
|
| Abies lasiocarpa (Hook.) Nutt. |
subalpine fir |
| Abies lasiocarpa (Hook.) Nutt. var. lasiocarpa |
subalpine fir |
| Abies balsamea (L.) Mill. ssp. lasiocarpa (Hook.) B. Boivin |
|
| Abies balsamea (L.) Mill. var. fallax (Engelm.) B. Boivin |
|
| Abies bifolia A. Murray |
|
| Abies subalpina Engelmann |
|
| Abies magnifica A. Murray |
California red fir |
| Abies magnifica A. Murray var. magnifica |
|
| Abronia Juss. |
sand verbena |
| Abronia elliptica A. Nelson |
fragrant white sand verbena |
| Abronia fragrans Nutt. ex Hook. var. elliptica (A. Nelson) M.E. Jones |
|
| Abronia pumila Rydb. |
|
| Abronia ramosa Standl. |
|
| Abronia salsa Rydb. |
|
| Abronia nana S. Watson |
dwarf sand verbena |
| Abronia nana S. Watson var. covillei (Heimerl) Munz |
Coville's dwarf sand verbena |
| Abronia nana S. Watson ssp. covillei (Heimerl) Munz |
|
| Abronia nana S. Watson var. nana |
dwarf sand verbena |
| Abronia nana S. Watson var. lanciformis M.E. Jones |
|
| Abronia pogonantha Heimerl |
Mojave sand verbena |
| Abronia turbinata Torr. ex S. Watson |
transmontane sand verbena |
| Abronia exalata Standl. |
|
| Abronia orbiculata Standl. |
|
| Abronia villosa S. Watson |
desert sand verbena |
| Abronia villosa S. Watson var. villosa |
desert sand verbena |
| Abutilon Mill. |
Indian mallow |
| Abutilon parvulum A. Gray |
dwarf Indian mallow |
| Abutilon theophrasti Medik. |
velvetleaf |
| Abutilon abutilon (L.) Rusby |
|
| Abutilon avicennae Gaertn. |
|
| Acacia Mill. |
acacia |
| Acacia greggii A. Gray |
catclaw acacia |
| Acacia greggii A. Gray var. greggii |
catclaw acacia |
| Acacia greggii A. Gray var. arizonica Isely |
|
| Acamptopappus (A. Gray) A. Gray |
goldenhead |
| Acamptopappus shockleyi A. Gray |
Shockley's goldenhead |
| Acamptopappus sphaerocephalus (Harv. & A. Gray ex A. Gray) A. Gray |
rayless goldenhead |
| Acamptopappus sphaerocephalus (Harv. & A. Gray ex A. Gray) A. Gray var. hirtellus S.F. Blake |
rayless goldenhead |
| Acamptopappus sphaerocephalus (Harv. & A. Gray ex A. Gray) A. Gray var. sphaerocephalus |
rayless goldenhead |
| Aplopappus sphaerocephalus Harv. & A. Gray ex A. Gray |
|
| Acarospora A. Massal. |
cracked lichen |
| Acarospora schleicheri (Ach.) A. Massal. |
Schleicher's cracked lichen |
| Acarospora albida H. Magn. |
|
| Acarospora amabilis H. Magn. |
|
| Acarospora bella (Nyl.) Jatta |
|
| Acarospora chrysops (Tuck.) H. Magn. |
|
| Acarospora contigua H. Magn. |
|
| Acarospora dissipata H. Magn. |
|
| Acarospora epilutescens Zahlbr. |
|
| Acarospora evoluta H. Magn. |
|
| Acarospora intercedens H. Magn. |
|
| Acarospora ocellata H. Magn. |
|
| Acarospora rhabarbarina Hue |
|
| Acarospora rimulosa H. Magn. |
|
| Acarospora rubicunda H. Magn. |
|
| Acarospora subalbida H. Magn. |
|
| Acarospora subcontigua H. Magn. |
|
| Acarospora xanthophana (Nyl.) Jatta |
|
| Acer L. |
maple |
| Acer glabrum Torr. |
Rocky Mountain maple |
| Acer glabrum Torr. var. diffusum (Greene) Smiley |
Rocky Mountain maple |
| Acer diffusum Greene |
|
| Acer glabrum Torr. ssp. diffusum (Greene) E. Murray |
|
| Acer glabrum Torr. var. douglasii (Hook.) Dippel |
Douglas maple |
| Acer douglasii Hook. |
|
| Acer glabrum Torr. ssp. douglasii (Hook.) Wesmael |
|
| Acer glabrum Torr. var. glabrum |
Rocky Mountain maple |
| Acer glabrum Torr. var. tripartitum (Nutt. ex Torr. & A. Gray) Pax |
|
| Acer glabrum Torr. var. typicum (Wesmael) Keller |
|
| Acer tripartitum Nutt. ex Torr. & A. Gray |
|
| Acer glabrum Torr. var. torreyi (Greene) Smiley |
Torrey maple |
| Acer glabrum Torr. ssp. torreyi (Greene) E. Murray |
|
| Acer torreyi Greene |
|
| Acer grandidentatum Nutt. |
bigtooth maple |
| Acer grandidentatum Nutt. var. grandidentatum |
bigtooth maple |
| Acer saccharum Marsh. ssp. grandidentatum (Nutt.) Desmarais |
|
| Acer saccharum Marsh. var. grandidentatum (Nutt.) Sudw. |
|
| Saccharodendron grandidentatum (Nutt.) Nieuwl. |
|
| Acer negundo L. |
boxelder |
| Acer negundo L. var. interius (Britton) Sarg. |
boxelder |
| Acer interius Britton |
|
| Acer negundo L. ssp. interius (Britton) A. Löve & D. Löve |
|
| Negundo aceroides (L.) Moench ssp. interius (Britton) A. Löve & D. Löve |
|
| Negundo interius (Britton) Rydb. |
|
| Achillea L. |
yarrow |
| Achillea millefolium L. |
common yarrow |
| Achillea millefolium L. var. alpicola (Rydb.) Garrett |
common yarrow |
| Achillea alpicola (Rydb.) Rydb. |
|
| Achillea fusca Rydb. |
|
| Achillea lanulosa Nutt. ssp. alpicola (Rydb.) D.D. Keck |
|
| Achillea lanulosa Nutt. var. alpicola Rydb. |
|
| Achillea millefolium L. var. fusca (Rydb.) G.N. Jones |
|
| Achillea subalpina Greene |
|
| Achillea millefolium L. var. occidentalis DC. |
western yarrow |
| Achillea angustissima Rydb. |
|
| Achillea aspleniifolia auct. non Vent. |
|
| Achillea eradiata Piper |
|
| Achillea gracilis Raf. |
|
| Achillea lanulosa Nutt. |
|
| Achillea lanulosa Nutt. ssp. typica D.D. Keck |
|
| Achillea lanulosa Nutt. var. arachnoidea Lunell |
|
| Achillea lanulosa Nutt. var. eradiata (Piper) M. Peck |
|
| Achillea laxiflora Pollard & Cockerell |
|
| Achillea millefolium L. ssp. lanulosa (Nutt.) Piper |
|
| Achillea millefolium L. ssp. occidentalis (DC.) Hyl. |
|
| Achillea millefolium L. ssp. pallidotegula B. Boivin |
|
| Achillea millefolium L. var. aspleniifolia (Vent.) Farw. |
|
| Achillea millefolium L. var. gracilis (Raf.) Raf. ex DC. |
|
| Achillea millefolium L. var. lanulosa (Nutt.) Piper |
|
| Achillea millefolium L. var. rosea (Desf.) Torr. & A. Gray |
|
| Achillea millefolium L. var. russeolata B. Boivin |
|
| Achillea occidentalis (DC.) Raf. ex Rydb. |
|
| Achillea rosea Desf. |
|
| Achillea tomentosa Pursh, non L. |
|
| Achnatherum P. Beauv. |
needlegrass |
| Achnatherum aridum (M.E. Jones) Barkworth |
Mormon needlegrass |
| Stipa arida M.E. Jones |
|
| Achnatherum ×bloomeri (Bol.) Barkworth [hymenoides × occidentale] |
|
| Oryzopsis bloomeri (Bol.) Ricker |
|
| Stipa bloomeri Bol. |
|
| Stiporyzopsis bloomeri (Bol.) B.L. Johnson |
|
| Achnatherum hymenoides (Roem. & Schult.) Barkworth |
Indian ricegrass |
| Eriocoma cuspidata Nutt. |
|
| Oryzopsis hymenoides (Roem. & Schult.) Ricker ex Piper |
|
| Stipa hymenoides Roem. & Schult. |
|
| Achnatherum lemmonii (Vasey) Barkworth |
Lemmon's needlegrass |
| Achnatherum lemmonii (Vasey) Barkworth var. lemmonii |
Lemmon's needlegrass |
| Achnatherum lemmonii (Vasey) Barkworth ssp. lemmonii |
|
| Stipa lemmonii (Vasey) Scribn. |
|
| Stipa lemmonii (Vasey) Scribn. var. jonesii Scribn. |
|
| Achnatherum lettermanii (Vasey) Barkworth |
Letterman's needlegrass |
| Stipa lettermanii Vasey |
|
| Achnatherum nelsonii (Scribn.) Barkworth |
Columbia needlegrass |
| Achnatherum nelsonii (Scribn.) Barkworth ssp. dorei (Barkworth & Maze) Barkworth |
Dore's needlegrass |
| Achnatherum nelsonii (Scribn.) Barkworth var. dorei (Barkworth & Maze) Dorn |
|
| Stipa columbiana auct. non Macoun |
|
| Stipa minor (Vasey) Scribn. |
|
| Stipa nelsonii Scribn. ssp. dorei Barkworth & Maze |
|
| Stipa nelsonii Scribn. var. dorei (Barkworth & Maze) Dorn |
|
| Stipa occidentalis Thurb. var. minor sensu C.L. Hitchc., non (Vasey) C.L. Hitchc. |
|
| Achnatherum nelsonii (Scribn.) Barkworth ssp. nelsonii |
Columbia needlegrass |
| Stipa columbiana Macoun var. nelsonii (Scribn.) H. St. John |
|
| Stipa nelsonii Scribn. |
|
| Stipa occidentalis Thurb. var. nelsonii (Scribn.) C.L. Hitchc. |
|
| Stipa williamsii Scribn. |
|
| Achnatherum nevadense (B.L. Johnson) Barkworth |
Nevada needlegrass |
| Stipa nevadensis B.L. Johnson |
|
| Achnatherum occidentale (Thurb.) Barkworth |
western needlegrass |
| Achnatherum occidentale (Thurb.) Barkworth ssp. californicum (Merr. & Burtt Davy) Barkworth |
California needlegrass |
| Achnatherum nelsonii (Scribn.) Barkworth ssp. longiaristatum (Barkworth & Maze) Barkworth |
|
| Stipa californica Merr. & Burtt Davy |
|
| Stipa nelsonii Scribn. var. longiaristata Barkworth & Maze |
|
| Stipa occidentalis Thurb. var. californica (Merr. & Burtt Davy) C.L. Hitchc. |
|
| Achnatherum occidentale (Thurb.) Barkworth ssp. pubescens (Vasey) Barkworth |
pubescent western needlegrass |
| Stipa elmeri Piper & Brodie ex Scribn. |
|
| Stipa occidentalis Thurb. var. pubescens (Vasey) Maze, Roy L. Taylor & MacBryde |
|
| Achnatherum parishii (Vasey) Barkworth |
Parish's needlegrass |
| Achnatherum parishii (Vasey) Barkworth var. depauperatum (M.E. Jones) Barkworth |
little Parish's needlegrass |
| Stipa coronata Thurb. var. depauperata (M.E. Jones) Hitchc. |
|
| Achnatherum parishii (Vasey) Barkworth var. parishii |
Parish's needlegrass |
| Stipa coronata Thurb. var. parishii (Vasey) Hitchc. |
|
| Stipa parishii Vasey |
|
| Achnatherum pinetorum (M.E. Jones) Barkworth |
pine needlegrass |
| Stipa pinetorum M.E. Jones |
|
| Achnatherum speciosum (Trin. & Rupr.) Barkworth |
desert needlegrass |
| Stipa speciosa Trin. & Rupr. |
|
| Achnatherum thurberianum (Piper) Barkworth |
Thurber's needlegrass |
| Stipa thurberiana Piper |
|
| Achnatherum webberi (Thurb.) Barkworth |
Webber needlegrass |
| Oryzopsis webberi (Thurb.) Benth. ex Vasey |
|
| Stipa webberi (Thurb.) B.L. Johnson |
|
| Achyronychia Torr. & A. Gray |
achyronychia |
| Achyronychia cooperi Torr. & A. Gray |
onyxflower |
| Aconitum L. |
monkshood |
| Aconitum columbianum Nutt. |
Columbian monkshood |
| Aconitum columbianum Nutt. ssp. columbianum |
Columbian monkshood |
| Aconitum columbianum Nutt. ssp. pallidum Piper |
|
| Aconitum columbianum Nutt. var. bakeri (Greene) Harrington |
|
| Aconitum columbianum Nutt. var. ochroleucum A. Nelson |
|
| Aconitum geranioides Greene |
|
| Aconitum leibergii Greene |
|
| Aconitum mogollonicum Greene |
|
| Acourtia D. Don |
desertpeony |
| Acourtia wrightii (A. Gray) Reveal & King |
brownfoot |
| Perezia wrightii A. Gray |
|
| Acroptilon Cass. |
hardheads |
| Acroptilon repens (L.) DC. |
hardheads |
| Centaurea picris Pall. ex Willd. |
|
| Centaurea repens L. |
|
| Actaea L. |
baneberry |
| Actaea rubra (Aiton) Willd. |
red baneberry |
| Actaea rubra (Aiton) Willd. ssp. arguta (Nutt.) Hultén |
red baneberry |
| Actaea arguta Nutt. |
|
| Actaea arguta Nutt. var. viridiflora (Greene) Tidestr. |
|
| Actaea rubra (Aiton) Willd. var. arguta (Nutt.) G. Lawson |
|
| Actaea spicata L. var. arguta (Nutt.) Torr. |
|
| Adenophyllum Pers. |
dogweed |
| Adenophyllum cooperi (A. Gray) Strother |
Cooper's dogweed |
| Dyssodia cooperi A. Gray |
|
| Adenophyllum porophylloides (A. Gray) Strother |
San Felipe dogweed |
| Dyssodia porophylloides A. Gray |
|
| Adenostoma Hook. & Arn. |
chamise |
| Adenostoma fasciculatum Hook. & Arn. |
chamise |
| Adenostoma fasciculatum Hook. & Arn. var. fasciculatum |
chamise |
| Adiantum L. |
maidenhair fern |
| Adiantum aleuticum (Rupr.) Paris |
Aleutian maidenhair |
| Adiantum pedatum L. ssp. aleuticum (Rupr.) Calder & Roy L. Taylor |
|
| Adiantum pedatum L. ssp. calderi Cody |
|
| Adiantum pedatum L. ssp. subpumilum (W.H. Wagner) Lellinger |
|
| Adiantum pedatum L. var. aleuticum Rupr. |
|
| Adiantum pedatum L. var. subpumilum W.H. Wagner |
|
| Adiantum capillus-veneris L. |
common maidenhair |
| Adiantum capillus-veneris L. var. modestum (Underw.) Fernald |
|
| Adiantum capillus-veneris L. var. protrusum Fernald |
|
| Adiantum modestum Underw. |
|
| Aegilops L. |
goatgrass |
| Aegilops cylindrica Host |
jointed goatgrass |
| Aegilops cylindrica Host var. rubiginosa Popova |
|
| Aegilops tauschii auct. non Coss. |
|
| Cylindropyrum cylindricum (Host) A. Löve |
|
| Triticum cylindricum (Host) Ces., Pass. & Gibelli |
|
| Agastache Clayton ex Gronov. |
giant hyssop |
| Agastache cusickii (Greenm.) A. Heller |
Cusick's giant hyssop |
| Agastache cusickii (Greenm.) A. Heller var. parva Cronquist |
|
| Agastache urticifolia (Benth.) Kuntze |
nettleleaf giant hyssop |
| Agastache urticifolia (Benth.) Kuntze var. urticifolia |
nettleleaf giant hyssop |
| Agave L. |
agave |
| Agave utahensis Engelm. |
Utah agave |
| Agave utahensis Engelm. var. eborispina (Hester) Breitung |
Utah agave |
| Agave utahensis Engelm. var. nevadensis Engelm. ex Greenm. & Roush |
Nevada agave |
| Agave utahensis Engelm. var. utahensis |
Utah agave |
| Ageratina Spach |
snakeroot |
| Ageratina herbacea (A. Gray) King & H. Rob. |
fragrant snakeroot |
| Eupatorium herbaceum (A. Gray) Greene |
|
| Ageratina occidentalis (Hook.) King & H. Rob. |
western snakeroot |
| Eupatorium occidentale Hook. |
|
| Agoseris Raf. |
agoseris |
| Agoseris aurantiaca (Hook.) Greene |
orange agoseris |
| Agoseris aurantiaca (Hook.) Greene var. aurantiaca |
orange agoseris |
| Agoseris graminifolia Greene |
|
| Agoseris rostrata Rydb. |
|
| Troximon aurantiacum Hook. |
|
| Agoseris aurantiaca (Hook.) Greene var. purpurea (A. Gray) Cronquist |
orange agoseris |
| Agoseris aurantiaca (Hook.) Greene ssp. purpurea (A. Gray) G.W. Douglas |
|
| Agoseris elata (Nutt.) Greene |
tall agoseris |
| Stylopappus elatus Nutt. |
|
| Agoseris glauca (Pursh) Raf. |
pale agoseris |
| Agoseris glauca (Pursh) Raf. var. agrestis (Osterh.) Q. Jones ex Cronquist |
pale agoseris |
| Agoseris agrestis Osterh. |
|
| Agoseris glauca (Pursh) Raf. var. glauca |
pale agoseris |
| Agoseris turbinata Rydb. |
|
| Troximon glaucum Pursh |
|
| Agoseris glauca (Pursh) Raf. var. laciniata (D.C. Eaton) Smiley |
false agoseris |
| Agoseris arizonica Greene |
|
| Agoseris glauca (Pursh) Raf. var. parviflora (Nutt.) Rydb. |
|
| Agoseris parviflora (Nutt.) Greene |
|
| Macrorhynchus glaucus (Pursh) D.C. Eaton var. laciniatus D.C. Eaton |
|
| Troximon parviflorum Nutt. |
|
| Agoseris glauca (Pursh) Raf. var. monticola (Greene) Q. Jones ex Cronquist |
pale agoseris |
| Agoseris monticola Greene |
|
| Agoseris grandiflora (Nutt.) Greene |
bigflower agoseris |
| Agoseris grandiflora (Nutt.) Greene var. leptophylla G.I. Baird |
|
| Agoseris laciniata (Nutt.) Greene |
|
| Agoseris plebeja (Greene) Greene |
|
| Troximon grandiflorum Nutt. |
|
| Agoseris heterophylla (Nutt.) Greene |
annual agoseris |
| Agoseris heterophylla (Nutt.) Greene var. heterophylla |
annual agoseris |
| Agoseris heterophylla (Nutt.) Greene ssp. californica (Nutt.) Piper |
|
| Agoseris heterophylla (Nutt.) Greene ssp. normalis Piper |
|
| Agoseris heterophylla (Nutt.) Greene var. cryptopleura Jeps. |
|
| Agoseris heterophylla (Nutt.) Greene var. kymapleura Greene |
|
| Macrorhynchus heterophyllus Nutt. |
|
| Agoseris retrorsa (Benth.) Greene |
spearleaf agoseris |
| Macrorhynchus retrorsus Benth. |
|
| Agropyron Gaertn. |
wheatgrass |
| Agropyron cristatum (L.) Gaertn. |
crested wheatgrass |
| Agropyron cristatum (L.) Gaertn. ssp. pectinatum (M. Bieb.) Tzvelev |
crested wheatgrass |
| Agropyron cristatiforme Sarkar |
|
| Agropyron pectinatum (M. Bieb.) P. Beauv. |
|
| Agropyron pectiniforme Roem. & Schult. |
|
| Agropyron desertorum (Fisch. ex Link) Schult. |
desert wheatgrass |
| Agropyron cristatum (L.) Gaertn. ssp. desertorum (Fisch. ex Link) A. Löve |
|
| Agropyron cristatum (L.) Gaertn. var. desertorum (Fisch. ex Link) Dorn |
|
| Agropyron fragile (Roth) P. Candargy |
Siberian wheatgrass |
| Agropyron cristatum (L.) Gaertn. ssp. fragile (Roth) A. Löve |
|
| Agropyron cristatum (L.) Gaertn. var. fragile (Roth) Dorn |
|
| Agropyron fragile (Roth) P. Candargy ssp. mongolicum (Keng) D.R. Dewey |
|
| Agropyron fragile (Roth) P. Candargy ssp. sibiricum (Willd.) Melderis |
|
| Agropyron fragile (Roth) P. Candargy var. sibiricum (Willd.) Tzvelev |
|
| Agropyron mongolicum Keng |
|
| Agropyron sibiricum (Willd.) P. Beauv. |
|
| Agrostis L. |
bentgrass |
| Agrostis capillaris L. |
colonial bentgrass |
| Agrostis sylvatica Huds. |
|
| Agrostis tenuis Sibth. |
|
| Agrostis tenuis Sibth. var. aristata (Parnell) Druce |
|
| Agrostis tenuis Sibth. var. hispida (Willd.) Philipson |
|
| Agrostis tenuis Sibth. var. pumila (L.) Druce |
|
| Agrostis vulgaris With. |
|
| Agrostis exarata Trin. |
spike bentgrass |
| Agrostis aenea Trin. |
|
| Agrostis alaskana Hultén |
|
| Agrostis ampla Hitchc. |
|
| Agrostis asperifolia Trin. |
|
| Agrostis exarata Trin. ssp. minor (Hook.) C.L. Hitchc. |
|
| Agrostis exarata Trin. var. minor Hook. |
|
| Agrostis exarata Trin. var. monolepis (Torr.) Hitchc. |
|
| Agrostis exarata Trin. var. pacifica Vasey |
|
| Agrostis exarata Trin. var. purpurascens Hultén |
|
| Agrostis longiligula Hitchc. |
|
| Agrostis longiligula Hitchc. var. australis J.T. Howell |
|
| Agrostis melaleuca (Trin.) Hitchc. |
|
| Agrostis microphylla Steud. var. major Vasey |
|
| Agrostis gigantea Roth |
redtop |
| Agrostis alba auct. non L. |
|
| Agrostis gigantea Roth var. dispar (Michx.) Philipson |
|
| Agrostis nigra With. |
|
| Agrostis stolonifera L. ssp. gigantea (Roth) Schübl. & G. Martens |
|
| Agrostis stolonifera L. var. major (Gaudin) Farw. |
|
| Agrostis humilis Vasey |
alpine bentgrass |
| Agrostis thurberiana Hitchc. |
|
| Podagrostis humilis (Vasey) Björkman |
|
| Podagrostis thurberiana (Hitchc.) Hultén |
|
| Agrostis idahoensis Nash |
Idaho bentgrass |
| Agrostis borealis Hartm. var. recta (Hartm.) B. Boivin |
|
| Agrostis clavata auct. non Trin. |
|
| Agrostis filicumis M.E. Jones |
|
| Agrostis oregonensis Vasey |
Oregon bentgrass |
| Agrostis pallens Trin. |
seashore bentgrass |
| Agrostis diegoensis Vasey |
|
| Agrostis lepida Hitchc. |
|
| Agrostis pallens Trin. var. vaseyi H. St. John |
|
| Agrostis scabra Willd. |
rough bentgrass |
| Agrostis geminata Trin. |
|
| Agrostis hyemalis (Walter) Britton, Sterns & Poggenb. var. geminata (Trin.) Hitchc. |
|
| Agrostis hyemalis (Walter) Britton, Sterns & Poggenb. var. scabra (Willd.) Blomquist |
|
| Agrostis hyemalis (Walter) Britton, Sterns & Poggenb. var. tenuis (Tuck.) Gleason |
|
| Agrostis scabra Willd. ssp. septentrionalis (Fernald) A. Löve & D. Löve |
|
| Agrostis scabra Willd. var. geminata (Trin.) Swallen |
|
| Agrostis scabra Willd. var. septentrionalis Fernald |
|
| Agrostis stolonifera L. |
creeping bentgrass |
| Agrostis alba L. var. palustris (Huds.) Pers. |
|
| Agrostis alba L. var. stolonifera (L.) Sm. |
|
| Agrostis maritima Lam. |
|
| Agrostis palustris Huds. |
|
| Agrostis stolonifera L. var. compacta Hartm. |
|
| Agrostis stolonifera L. var. palustris (Huds.) Farw. |
|
| Agrostis variabilis Rydb. |
mountain bentgrass |
| Agrostis rossiae auct. non Vasey |
|
| Ailanthus Desf. |
ailanthus |
| Ailanthus altissima (Mill.) Swingle |
tree of heaven |
| Ailanthus glandulosa Desf. |
|
| Alcea L. |
hollyhock |
| Alcea rosea L. |
hollyhock |
| Alcea ficifolia L. |
|
| Althaea rosea (L.) Cav. |
|
| Alhagi Gagnebin |
alhagi |
| Alhagi maurorum Medik. |
camelthorn |
| Alhagi camelorum Fisch. |
|
| Alhagi pseudalhagi (M. Bieb.) Desv. ex B. Keller & Schaparenko |
|
| Aliciella Brand |
|
| Aliciella heterostyla (S. Cochrane & A.G. Day) J.M. Porter |
cactus flat gilia |
| Gilia heterostyla S. Cochrane & A.G. Day |
|
| Aliciella hutchinsifolia (Rydb.) J.M. Porter |
desert pale gilia |
| Gilia hutchinsifolia Rydb. |
|
| Gilia leptomeria A. Gray ssp. rubella (Brand) H. Mason & A.D. Grant |
|
| Aliciella latifolia (S. Watson) J.M. Porter |
broad-leaf gilia |
| Aliciella latifolia (S. Watson) J.M. Porter ssp. latifolia |
broadleaf gilia |
| Gilia latifolia S. Watson |
|
| Gilia latifolia S. Watson var. latifolia |
|
| Aliciella leptomeria (A. Gray) J.M. Porter |
sand gilia |
| Gilia leptomeria A. Gray |
|
| Aliciella lottiae (Day) J.M. Porter |
Lott's gilia |
| Gilia lottiae Day |
|
| Aliciella micromeria (A. Gray) J.M. Porter |
dainty gilia |
| Gilia leptomeria A. Gray ssp. micromeria (A. Gray) H. Mason & A.D. Grant |
|
| Gilia leptomeria A. Gray var. micromeria (A. Gray) Cronquist |
|
| Gilia micromeria A. Gray |
|
| Aliciella nyensis (Reveal) J.M. Porter |
Nye gilia |
| Gilia nyensis Reveal |
|
| Aliciella ripleyi (Barneby) J.M. Porter |
Ripley's gilia |
| Gilia ripleyi Barneby |
|
| Aliciella subacaulis (Rydb.) J.M. Porter & L.A. Johnson |
pinyon gilia |
| Gilia subacaulis Rydb. |
|
| Aliciella triodon (Eastw.) Brand |
coyote gilia |
| Gilia triodon Eastw. |
|
| Alisma L. |
water plantain |
| Alisma gramineum Lej. |
narrowleaf water plantain |
| Alisma geyeri Torr. |
|
| Alisma gramineum Lej. var. angustissimum (DC.) A.J. Hendricks |
|
| Alisma gramineum Lej. var. geyeri (Torr.) Lam. |
|
| Alisma gramineum Lej. var. graminifolium (Wahlenb.) A.J. Hendricks |
|
| Alisma gramineum Lej. var. wahlenbergii auct. non (Holmb.) Raymond & Kucyniak |
|
| Alisma lanceolatum A. Gray |
|
| Alisma triviale Pursh |
northern water plantain |
| Alisma brevipes Greene |
|
| Alisma plantago-aquatica L. ssp. brevipes (Greene) Sam. |
|
| Alisma plantago-aquatica L. var. americanum Schult. |
|
| Alisma plantago-aquatica L. var. brevipes (Greene) Victorin |
|
| Allenrolfea Kuntze |
allenrolfea |
| Allenrolfea occidentalis (S. Watson) Kuntze |
iodinebush |
| Halostachys occidentalis S. Watson |
|
| Allionia L. |
windmills |
| Allionia incarnata L. |
trailing windmills |
| Allionia incarnata L. var. nudata (Standl.) Munz |
trailing windmills |
| Allionia incarnata L. var. villosa (Standl.) B.L. Turner |
trailing windmills |
| Allium L. |
onion |
| Allium acuminatum Hook. |
tapertip onion |
| Allium acuminatum Hook. var. cuspidatum Fernald |
|
| Allium anceps Kellogg |
twinleaf onion |
| Allium atrorubens S. Watson |
darkred onion |
| Allium atrorubens S. Watson var. atrorubens |
darkred onion |
| Allium atrorubens S. Watson var. cristatum (S. Watson) McNeal |
darkred onion |
| Allium atrorubens S. Watson ssp. inyoensis (M.E. Jones) Traub |
|
| Allium atrorubens S. Watson var. inyoensis (M.E. Jones) Ownbey & Aase |
|
| Allium cristatum S. Watson |
|
| Allium inyonis M.E. Jones |
|
| Allium nevadense S. Watson var. cristatum (S. Watson) Ownbey |
|
| Allium bisceptrum S. Watson |
twincrest onion |
| Allium bisceptrum S. Watson var. bisceptrum |
twincrest onion |
| Allium bisceptrum S. Watson var. palmeri (S. Watson) Cronquist |
aspen onion |
| Allium palmeri S. Watson |
|
| Allium brandegeei S. Watson |
Brandegee's onion |
| Allium diehlii (M.E. Jones) M.E. Jones |
|
| Allium minimum M.E. Jones |
|
| Allium tribracteatum Torr. var. diehlii M.E. Jones |
|
| Allium campanulatum S. Watson |
dusky onion |
| Allium austinae M.E. Jones |
|
| Allium bidwelliae S. Watson |
|
| Allium campanulatum S. Watson var. bidwelliae (S. Watson) Jeps. |
|
| Allium geyeri S. Watson |
Geyer's onion |
| Allium geyeri S. Watson var. geyeri |
Geyer's onion |
| Allium dictyotum Greene |
|
| Allium geyeri S. Watson var. tenerum M.E. Jones |
bulbil onion |
| Allium arenicola Osterh., non Small |
|
| Allium fibrosum Rydb., non Regel |
|
| Allium geyeri S. Watson ssp. tenerum (M.E. Jones) Traub & Ownbey |
|
| Allium geyeri S. Watson var. graniferum L.F. Hend. |
|
| Allium rubrum Osterh. |
|
| Allium rydbergii J.F. Macbr. |
|
| Allium sabulicola Osterh. |
|
| Allium lemmonii S. Watson |
Lemmon's onion |
| Allium incisum A. Nelson & J.F. Macbr. |
|
| Allium scissum A. Nelson & J.F. Macbr. |
|
| Allium nevadense S. Watson |
Nevada onion |
| Allium obtusum Lemmon |
red Sierra onion |
| Allium obtusum Lemmon var. obtusum |
red Sierra onion |
| Allium ambiguum M.E. Jones |
|
| Allium parvum Kellogg |
small onion |
| Allium modocense Jeps. |
|
| Allium tribracteatum Torr. var. andersonii S. Watson |
|
| Allium platycaule S. Watson |
broadstemmed onion |
| Allium punctum L.F. Hend. |
dotted onion |
| Allium miser Piper |
|
| Allium schoenoprasum L. |
wild chives |
| Allium schoenoprasum L. var. sibiricum (L.) Hartm. |
wild chives |
| Allium schoenoprasum L. ssp. sibiricum (L.) Celak. |
|
| Allium schoenoprasum L. var. laurentianum Fernald |
|
| Allium sibiricum L. |
|
| Allium textile A. Nelson & J.F. Macbr. |
textile onion |
| Allium aridum Rydb. |
|
| Allium geyeri S. Watson var. textile (A. Nelson & J.F. Macbr.) B. Boivin |
|
| Allium reticulatum G. Don |
|
| Allium reticulatum G. Don var. playanum M.E. Jones |
|
| Allium tolmiei (Hook.) Baker ex S. Watson |
Tolmie's onion |
| Allium tolmiei (Hook.) Baker ex S. Watson var. tolmiei |
Tolmie's onion |
| Allium cusickii S. Watson |
|
| Allium validum S. Watson |
Pacific onion |
| Allophyllum (Nutt.) A.D. Grant & V.E. Grant |
false gilyflower |
| Allophyllum gilioides (Benth.) A.D. Grant & V.E. Grant |
dense false gilyflower |
| Allophyllum gilioides (Benth.) A.D. Grant & V.E. Grant ssp. gilioides |
dense false gilyflower |
| Gilia gilioides (Benth.) Greene |
|
| Allophyllum gilioides (Benth.) A.D. Grant & V.E. Grant ssp. violaceum (A. Heller) Day |
dense false gilyflower |
| Allophyllum violaceum (A. Heller) A.D. Grant & V.E. Grant |
|
| Gilia gilioides (Benth.) Greene var. violacea (A. Heller) Cronquist |
|
| Gilia violacea A. Heller |
|
| Allophyllum integrifolium (Brand) A.D. Grant & V.E. Grant |
white false gilyflower |
| Allotropa Torr. & A. Gray |
sugarstick |
| Allotropa virgata Torr. & A. Gray ex A. Gray |
sugarstick |
| Almutaster A. Löve & D. Löve |
alkali marsh aster |
| Almutaster pauciflorus (Nutt.) A. Löve & D. Löve |
alkali marsh aster |
| Aster hydrophilus Greene ex Woot. & Standl. |
|
| Aster pauciflorus Nutt. |
|
| Alnus Mill. |
alder |
| Alnus incana (L.) Moench |
gray alder |
| Alnus incana (L.) Moench ssp. tenuifolia (Nutt.) Breitung |
thinleaf alder |
| Alnus incana (L.) Moench var. occidentalis (Dippel) C.L. Hitchc. |
|
| Alnus incana (L.) Moench var. virescens S. Watson |
|
| Alnus ×purpusii Callier |
|
| Alnus tenuifolia Nutt. |
|
| Alnus rhombifolia Nutt. |
white alder |
| Alnus rhombifolia Nutt. var. bernardina Munz & I.M. Johnst. |
|
| Alopecurus L. |
foxtail |
| Alopecurus aequalis Sobol. |
shortawn foxtail |
| Alopecurus aequalis Sobol. var. aequalis |
shortawn foxtail |
| Alopecurus aequalis Sobol. var. natans (Wahlenb.) Fernald |
|
| Alopecurus aristulatus Michx. |
|
| Alopecurus geniculatus L. var. aristulatus (Michx.) Torr. |
|
| Alopecurus geniculatus L. |
water foxtail |
| Alopecurus geniculatus L. var. geniculatus |
water foxtail |
| Alopecurus pallescens Piper |
|
| Alopecurus pratensis L. |
meadow foxtail |
| Aloysia Juss. |
beebrush |
| Aloysia wrightii (A. Gray) A. Heller |
Wright's beebrush |
| Lippia wrightii A. Gray |
|
| Alyssum L. |
madwort |
| Alyssum alyssoides (L.) L. |
pale madwort |
| Alyssum calycinum L. |
|
| Clypeola alyssoides L. |
|
| Alyssum desertorum Stapf |
desert madwort |
| Alyssum desertorum Stapf var. desertorum |
desert madwort |
| Alyssum turkestanicum auct. non Regel & Schmalh. |
|
| Alyssum simplex Rudolphi |
alyssum |
| Alyssum minus (L.) Rothm., nom. illeg. |
|
| Alyssum minus (L.) Rothm. var. micranthum (C.A. Mey.) Dudley |
|
| Alyssum parviflorum Fisch. ex M. Bieb. |
|
| Alyssum parviflorum Fisch. ex M. Bieb. var. micranthum (C.A. Mey.) Dorn |
|
| Clypeola minus L. p.p. |
|
| Alyssum strigosum Banks & Sol. |
alyssum |
| Alyssum minus (L.) Rothm. var. strigosum (Banks & Sol.) Zohary |
|
| Amaranthus L. |
pigweed |
| Amaranthus albus L. |
prostrate pigweed |
| Amaranthus albus L. var. pubescens (Uline & Bray) Fernald |
|
| Amaranthus graecizans auct. non L. p.p. |
|
| Amaranthus graecizans L. var. pubescens Uline & Bray |
|
| Amaranthus pubescens (Uline & Bray) Rydb. |
|
| Amaranthus blitoides S. Watson |
mat amaranth |
| Amaranthus graecizans auct. non L. p.p. |
|
| Amaranthus californicus (Moq.) S. Watson |
California amaranth |
| Amaranthus albomarginatus Uline & Bray |
|
| Amaranthus microphyllus Shinners |
|
| Amaranthus fimbriatus (Torr.) Benth. ex S. Watson |
fringed amaranth |
| Amaranthus fimbriatus (Torr.) Benth. ex S. Watson var. fimbriatus |
|
| Amaranthus hybridus L. |
slim amaranth |
| Amaranthus chlorostachys Willd. |
|
| Amaranthus incurvatus Tim. ex Gren. & Godr. |
|
| Amaranthus patulus Bertol. |
|
| Amaranthus palmeri S. Watson |
carelessweed |
| Amaranthus powellii S. Watson |
Powell's amaranth |
| Amaranthus powellii S. Watson ssp. powellii |
Powell's amaranth |
| Amaranthus bracteosus Uline & Bray |
|
| Amaranthus retroflexus L. var. powellii (S. Watson) B. Boivin |
|
| Amaranthus viscidulus Greene |
|
| Amaranthus pringlei S. Watson |
Pringle's amaranth |
| Amaranthus retroflexus L. |
redroot amaranth |
| Amaranthus retroflexus L. var. salicifolius I.M. Johnst. |
|
| Ambrosia L. |
ragweed |
| Ambrosia acanthicarpa Hook. |
flatspine bur ragweed |
| Franseria acanthicarpa (Hook.) Coville |
|
| Gaertneria acanthicarpa (Hook.) Britton |
|
| Ambrosia artemisiifolia L. |
annual ragweed |
| Ambrosia artemisiifolia L. var. elatior (L.) Descourtils |
annual ragweed |
| Ambrosia elatior L. |
|
| Ambrosia dumosa (A. Gray) Payne |
burrobush |
| Franseria dumosa A. Gray |
|
| Ambrosia eriocentra (A. Gray) Payne |
woolly fruit bur ragweed |
| Franseria eriocentra A. Gray |
|
| Ambrosia psilostachya DC. |
Cuman ragweed |
| Ambrosia californica Rydb. |
|
| Ambrosia coronopifolia Torr. & A. Gray |
|
| Ambrosia cumanensis auct. non Kunth |
|
| Ambrosia psilostachya DC. var. californica (Rydb.) S.F. Blake |
|
| Ambrosia psilostachya DC. var. coronopifolia (Torr. & A. Gray) Farw. |
|
| Ambrosia psilostachya DC. var. lindheimeriana (Scheele) Blank. |
|
| Ambrosia rugelii Rydb. |
|
| Amelanchier Medik. |
serviceberry |
| Amelanchier alnifolia (Nutt.) Nutt. ex M. Roem. |
Saskatoon serviceberry |
| Amelanchier alnifolia (Nutt.) Nutt. ex M. Roem. var. alnifolia |
Saskatoon serviceberry |
| Amelanchier alnifolia (Nutt.) Nutt. ex M. Roem. var. cusickii (Fernald) C.L. Hitchc. |
Cusick's serviceberry |
| Amelanchier cusickii Fernald |
|
| Amelanchier florida Lindl. var. cusickii (Fernald) M. Peck |
|
| Amelanchier pallida Greene |
pale serviceberry |
| Amelanchier alnifolia (Nutt.) Nutt. ex M. Roem. var. pallida (Greene) Jeps. |
|
| Amelanchier florida Lindl. var. gracilis (A. Heller) M. Peck |
|
| Amelanchier gracilis A. Heller |
|
| Amelanchier utahensis Koehne |
Utah serviceberry |
| Amelanchier utahensis Koehne var. covillei (Standl.) N.H. Holmgren |
Coville's serviceberry |
| Amelanchier covillei Standl. |
|
| Amelanchier utahensis Koehne ssp. covillei (Standl.) Clokey |
|
| Amelanchier utahensis Koehne var. utahensis |
Utah serviceberry |
| Amelanchier alnifolia (Nutt.) Nutt. ex M. Roem. var. oreophila (A. Nelson) R.J. Davis |
|
| Amelanchier alnifolia (Nutt.) Nutt. ex M. Roem. var. utahensis (Koehne) M.E. Jones |
|
| Amelanchier australis Standl. |
|
| Amelanchier bakeri Greene |
|
| Amelanchier goldmanii Woot. & Standl. |
|
| Amelanchier mormonica C.K. Schneid. |
|
| Amelanchier oreophila A. Nelson |
|
| Ammannia L. |
redstem |
| Ammannia robusta Heer & Regel |
grand redstem |
| Ammannia coccinea Rottb. ssp. robusta (Heer & Regel) Koehne |
|
| Ludwigia scabriuscula Kellogg |
|
| Amphipappus Torr. & A. Gray |
chaffbush |
| Amphipappus fremontii Torr. & A. Gray ex A. Gray |
Fremont's chaffbush |
| Amphipappus fremontii Torr. & A. Gray ex A. Gray ssp. fremontii |
Fremont's chaffbush |
| Amphipappus fremontii Torr. & A. Gray ex A. Gray var. fremontii |
|
| Amphipappus fremontii Torr. & A. Gray ex A. Gray ssp. spinosus (A. Nelson) D.D. Keck |
Fremont's chaffbush |
| Amphiachyris spinosa A. Nelson |
|
| Amphipappus fremontii Torr. & A. Gray ex A. Gray var. spinosus (A. Nelson) Ced. Porter |
|
| Amsinckia Lehm. |
fiddleneck |
| Amsinckia menziesii (Lehm.) A. Nelson & J.F. Macbr. |
Menzies' fiddleneck |
| Amsinckia menziesii (Lehm.) A. Nelson & J.F. Macbr. var. intermedia (Fisch. & C.A. Mey.) Ganders |
common fiddleneck |
| Amsinckia arizonica Suksd. |
|
| Amsinckia demissa Suksd. |
|
| Amsinckia echinata A. Gray |
|
| Amsinckia intactilis J.F. Macbr. |
|
| Amsinckia intermedia Fisch. & C.A. Mey. |
|
| Amsinckia intermedia Fisch. & C.A. Mey. var. echinata (A. Gray) Wiggins |
|
| Amsinckia microphylla Suksd. |
|
| Amsinckia nana Suksd. |
|
| Amsinckia rigida Suksd. |
|
| Amsinckia menziesii (Lehm.) A. Nelson & J.F. Macbr. var. menziesii |
Menzies' fiddleneck |
| Amsinckia hispida auct. non (Ruiz & Pav.) I.M. Johnst. |
|
| Amsinckia idahoensis M.E. Jones |
|
| Amsinckia micrantha Suksd. |
|
| Amsinckia parviflora A. Heller |
|
| Amsinckia retrorsa Suksd. |
|
| Amsinckia rugosa Rydb. |
|
| Echium menziesii Lehm. |
|
| Amsinckia tessellata A. Gray |
bristly fiddleneck |
| Amsinckia tessellata A. Gray var. tessellata |
bristly fiddleneck |
| Amsinckia densirugosa Suksd. |
|
| Amsinckia hendersonii Suksd. |
|
| Amsinckia washingtonensis Suksd. |
|
| Amsonia Walter |
bluestar |
| Amsonia tomentosa Torr. & Frém. |
woolly bluestar |
| Amsonia tomentosa Torr. & Frém. var. tomentosa |
woolly bluestar |
| Amsonia brevifolia A. Gray |
|
| Anagallis L. |
pimpernel |
| Anagallis arvensis L. |
scarlet pimpernel |
| Anagallis arvensis L. ssp. arvensis |
scarlet pimpernel |
| Anaphalis DC. |
pearly everlasting |
| Anaphalis margaritacea (L.) Benth. |
western pearly everlasting |
| Anaphalis margaritacea (L.) Benth. var. angustior (Miq.) Nakai |
|
| Anaphalis margaritacea (L.) Benth. var. intercedens H. Hara |
|
| Anaphalis margaritacea (L.) Benth. var. occidentalis Greene |
|
| Anaphalis margaritacea (L.) Benth. var. revoluta Suksd. |
|
| Anaphalis margaritacea (L.) Benth. var. subalpina A. Gray |
|
| Anaphalis occidentalis (Greene) A. Heller |
|
| Gnaphalium margaritaceum L. |
|
| Ancistrocarphus A. Gray |
neststraw |
| Ancistrocarphus filagineus A. Gray |
false neststraw |
| Stylocline filaginea (A. Gray) A. Gray |
|
| Stylocline filaginea (A. Gray) A. Gray var. depressa Jeps. |
|
| Andropogon L. |
bluestem |
| Andropogon glomeratus (Walter) Britton, Sterns & Poggenb. |
bushy bluestem |
| Andropogon glomeratus (Walter) Britton, Sterns & Poggenb. var. pumilus Vasey ex L.H. Dewey |
bushy bluestem |
| Andropogon tenuispatheus (Nash) Nash |
|
| Androsace L. |
rockjasmine |
| Androsace elongata L. |
California rockjasmine |
| Androsace elongata L. ssp. acuta (Greene) G.T. Robbins |
California rockjasmine |
| Androsace acuta Greene |
|
| Androsace septentrionalis L. |
pygmyflower rockjasmine |
| Androsace septentrionalis L. ssp. puberulenta (Rydb.) G.T. Robbins |
pygmyflower rockjasmine |
| Androsace puberulenta Rydb. |
|
| Androsace septentrionalis L. var. puberulenta (Rydb.) R. Knuth |
|
| Androsace septentrionalis L. ssp. subumbellata (A. Nelson) G.T. Robbins |
pygmyflower rockjasmine |
| Androsace septentrionalis L. var. subumbellata A. Nelson |
|
| Androstephium Torr. |
funnel lily |
| Androstephium breviflorum S. Watson |
pink funnel lily |
| Anelsonia J.F. Macbr. & Payson |
anelsonia |
| Anelsonia eurycarpa (A. Gray) J.F. Macbr. & Payson |
daggerpod |
| Parrya eurycarpa (A. Gray) Jeps. |
|
| Phoenicaulis eurycarpa (A. Gray) Abrams |
|
| Anemone L. |
anemone |
| Anemone multifida Poir. |
Pacific anemone |
| Anemone multifida Poir. var. multifida |
Pacific anemone |
| Anemone globosa (Torr. & A. Gray) Nutt. ex Pritz. |
|
| Anemone hudsoniana (DC.) Richardson |
|
| Anemone multifida Poir. ssp. globosa (Torr. & A. Gray) Torr. & A. Gray, nom. nud. |
|
| Anemone multifida Poir. var. globosa Torr. & A. Gray |
|
| Anemone multifida Poir. var. hudsoniana DC. |
|
| Anemone multifida Poir. var. nowosadii B. Boivin |
|
| Anemone multifida Poir. var. sansonii B. Boivin |
|
| Anemone multifida Poir. var. saxicola B. Boivin |
red windflower |
| Anemone multifida Poir. ssp. saxicola (B. Boivin) W.A. Weber |
|
| Anemone multifida Poir. var. hirsuta C.L. Hitchc., nom. inq. |
|
| Anemone multifida Poir. var. tetonensis (Porter ex Britton) C.L. Hitchc. |
Pacific anemone |
| Anemone tetonensis Porter ex Britton |
|
| Anemone tuberosa Rydb. |
tuber anemone |
| Anemone tuberosa Rydb. var. tuberosa |
tuber anemone |
| Anemopsis Hook. & Arn. |
yerba mansa |
| Anemopsis californica (Nutt.) Hook. & Arn. |
yerba mansa |
| Anemopsis californica (Nutt.) Hook. & Arn. var. subglabra L. Kelso |
|
| Angelica L. |
angelica |
| Angelica arguta Nutt. |
Lyall's angelica |
| Angelica lyallii S. Watson |
|
| Angelica breweri A. Gray |
Brewer's angelica |
| Angelica arguta Nutt. var. breweri (A. Gray) Di Tomaso |
|
| Angelica kingii (S. Watson) J.M. Coult. & Rose |
King's angelica |
| Angelica lineariloba A. Gray |
poison angelica |
| Angelica lineariloba A. Gray var. culbertsonii Jeps. |
|
| Angelica scabrida Clokey & Mathias ex Clokey |
Charleston Mountain angelica |
| Anisocoma Torr. & A. Gray |
anisocoma |
| Anisocoma acaulis Torr. & A. Gray |
scalebud |
| Antennaria Gaertn. |
pussytoes |
| Antennaria anaphaloides Rydb. |
pearly pussytoes |
| Antennaria pulcherrima (Hook.) Greene ssp. anaphaloides (Rydb.) W.A. Weber |
|
| Antennaria pulcherrima (Hook.) Greene var. anaphaloides (Rydb.) G.W. Douglas |
|
| Antennaria arcuata Cronquist |
box pussytoes |
| Antennaria argentea Benth. |
silver pussytoes |
| Antennaria luzuloides Torr. & A. Gray var. argentea (Benth.) A. Gray |
|
| Antennaria corymbosa E.E. Nelson |
flat-top pussytoes |
| Antennaria acuta Rydb. |
|
| Antennaria dioica (L.) Gaertn. var. corymbosa (E.E. Nelson) Jeps. |
|
| Antennaria hygrophila Greene |
|
| Antennaria nardina Greene |
|
| Antennaria dimorpha (Nutt.) Torr. & A. Gray |
low pussytoes |
| Antennaria dimorpha (Nutt.) Torr. & A. Gray var. integra L.F. Hend. |
|
| Antennaria dimorpha (Nutt.) Torr. & A. Gray var. latisquama (Piper) M. Peck |
|
| Antennaria dimorpha (Nutt.) Torr. & A. Gray var. macrocephala D.C. Eaton |
|
| Antennaria latisquama Piper |
|
| Antennaria macrocephala (D.C. Eaton) Rydb. |
|
| Gnaphalium dimorphum Nutt. |
|
| Antennaria flagellaris (A. Gray) A. Gray |
whip pussytoes |
| Antennaria dimorpha (Nutt.) Torr. & A. Gray var. flagellaris A. Gray |
|
| Antennaria geyeri A. Gray |
pinewoods pussytoes |
| Gnaphalium alienum Hook. & Arn. |
|
| Antennaria luzuloides Torr. & A. Gray |
rush pussytoes |
| Antennaria luzuloides Torr. & A. Gray ssp. aberrans (E.E. Nelson) Bayer & Stebbins |
rush pussytoes |
| Antennaria argentea Benth. ssp. aberrans E.E. Nelson |
|
| Antennaria luzuloides Torr. & A. Gray var. microcephala (A. Gray) Cronquist |
|
| Antennaria microcephala A. Gray |
|
| Antennaria pyramidata Greene |
|
| Antennaria luzuloides Torr. & A. Gray ssp. luzuloides |
rush pussytoes |
| Antennaria luzuloides Torr. & A. Gray var. oblanceolata (Rydb.) M. Peck |
|
| Antennaria oblanceolata Rydb. |
|
| Antennaria media Greene |
Rocky Mountain pussytoes |
| Antennaria alpina (L.) Gaertn. var. media (Greene) Jeps. |
|
| Antennaria austromontana E.E. Nelson |
|
| Antennaria candida Greene |
|
| Antennaria densa Greene |
|
| Antennaria gormanii H. St. John |
|
| Antennaria modesta Greene |
|
| Antennaria mucronata E.E. Nelson |
|
| Antennaria microphylla Rydb. |
littleleaf pussytoes |
| Antennaria bracteosa Rydb. |
|
| Antennaria nitida Greene |
|
| Antennaria parvifolia sensu Greene, non Nutt. |
|
| Antennaria parvifolia Nutt. var. bracteosa (Rydb.) A. Nelson |
|
| Antennaria rosea Greene var. nitida (Greene) Breitung |
|
| Antennaria solstitialis Lunell |
|
| Antennaria parvifolia Nutt. |
small-leaf pussytoes |
| Antennaria aprica Greene |
|
| Antennaria aprica Greene var. minuscula (B. Boivin) B. Boivin |
|
| Antennaria aureola Lunell |
|
| Antennaria holmii Greene |
|
| Antennaria latisquamea Greene |
|
| Antennaria minuscula B. Boivin |
|
| Antennaria obtusata Greene |
|
| Antennaria pumila Greene |
|
| Antennaria recurva Greene |
|
| Antennaria rhodanthus Suksd. |
|
| Antennaria pulchella Greene |
Sierra pussytoes |
| Antennaria alpina (L.) Gaertn. var. scabra (Greene) Jeps. |
|
| Antennaria media Greene ssp. ciliata E.E. Nelson |
|
| Antennaria media Greene ssp. pulchella (Greene) Chmielewski |
|
| Antennaria scabra Greene |
|
| Antennaria rosea Greene |
rosy pussytoes |
| Antennaria rosea Greene ssp. confinis (Greene) Bayer |
rosy pussytoes |
| Antennaria albicans Fernald |
|
| Antennaria angustifolia Rydb. |
|
| Antennaria arida E.E. Nelson var. humilis (Rydb.) E.E. Nelson |
|
| Antennaria breitungii A.E. Porsild |
|
| Antennaria brevistyla Fernald, nom. inq. |
|
| Antennaria concinna E.E. Nelson |
|
| Antennaria confinis Greene |
|
| Antennaria dioica (L.) Gaertn. var. kernensis Jeps. |
|
| Antennaria elegans A.E. Porsild |
|
| Antennaria foliacea Greene var. humilis Rydb. |
|
| Antennaria incarnata A.E. Porsild |
|
| Antennaria laingii A.E. Porsild |
|
| Antennaria leontopodioides Cody |
|
| Antennaria leuchippii Porsild |
|
| Antennaria rosea Greene var. angustifolia (Rydb.) E.E. Nelson |
|
| Antennaria sedoides Greene |
|
| Antennaria sordida Greene |
|
| Antennaria straminea Fernald |
|
| Antennaria subviscosa Fernald |
|
| Antennaria tomentella E.E. Nelson |
|
| Antennaria rosea Greene ssp. pulvinata (Greene) Bayer |
pulvinate pussytoes |
| Antennaria affinis Fernald |
|
| Antennaria albescens (E.E. Nelson) Rydb. |
|
| Antennaria fusca E.E. Nelson |
|
| Antennaria gaspensis (Fernald) Fernald |
|
| Antennaria howellii Greene ssp. gaspensis (Fernald) Chmielewski |
|
| Antennaria isolepis Greene |
|
| Antennaria maculata Greene |
|
| Antennaria manicouagana Landry |
|
| Antennaria media Greene ssp. fusca (E.E. Nelson) Chmielewski |
|
| Antennaria neglecta Greene var. gaspensis (Fernald) Cronquist |
|
| Antennaria neodioica Greene var. gaspensis Fernald |
|
| Antennaria peasei Fernald |
|
| Antennaria pulvinata Greene |
|
| Antennaria pulvinata Greene ssp. albescens E.E. Nelson |
|
| Antennaria sansonii Greene |
|
| Antennaria umbrinella auct. non Rydb. |
|
| Antennaria soliceps S.F. Blake |
Charleston Mountain pussytoes |
| Antennaria stenophylla (A. Gray) A. Gray |
narrowleaf pussytoes |
| Antennaria alpina (L.) Gaertn. var. stenophylla A. Gray |
|
| Antennaria leucophaea Piper |
|
| Antennaria umbrinella Rydb. |
umber pussytoes |
| Antennaria aizoides Greene |
|
| Antennaria flavescens Rydb. |
|
| Antennaria reflexa E.E. Nelson |
|
| Anthemis L. |
chamomile |
| Anthemis cotula L. |
stinking chamomile |
| Maruta cotula (L.) DC. |
|
| Antheropeas Rydb. |
easterbonnets |
| Antheropeas lanosum (A. Gray) Rydb. |
white easterbonnets |
| Eriophyllum lanosum (A. Gray) A. Gray |
|
| Antheropeas wallacei (A. Gray) Rydb. |
woolly easterbonnets |
| Eriophyllum wallacei (A. Gray) A. Gray |
|
| Eriophyllum wallacei (A. Gray) A. Gray ssp. australe (Rydb.) Wiggins |
|
| Eriophyllum wallacei (A. Gray) A. Gray var. calvescens S.F. Blake |
|
| Eriophyllum wallacei (A. Gray) A. Gray var. rubellum (A. Gray) A. Gray |
|
| Anulocaulis Standl. |
ringstem |
| Anulocaulis leiosolenus (Torr.) Standl. |
southwestern ringstem |
| Anulocaulis leiosolenus (Torr.) Standl. var. leiosolenus |
southwestern ringstem |
| Boerhavia leiosolena Torr. |
|
| Apera Adans. |
silkybent |
| Apera interrupta (L.) P. Beauv. |
dense silkybent |
| Agrostis interrupta L. |
|
| Apium L. |
celery |
| Apium graveolens L. |
wild celery |
| Apium graveolens L. var. dulce (Mill.) DC. |
wild celery |
| Apium dulce Mill. |
|
| Celeri graveolens (L.) Britton p.p. |
|
| Apocynum L. |
dogbane |
| Apocynum androsaemifolium L. |
spreading dogbane |
| Apocynum ambigens Greene |
|
| Apocynum androsaemifolium L. ssp. pumilum (A. Gray) B. Boivin |
|
| Apocynum androsaemifolium L. var. glabrum Macoun |
|
| Apocynum androsaemifolium L. var. griseum (Greene) Bég. & Beloserky |
|
| Apocynum androsaemifolium L. var. incanum A. DC. |
|
| Apocynum androsaemifolium L. var. intermedium Woodson |
|
| Apocynum androsaemifolium L. var. pumilum A. Gray |
|
| Apocynum androsaemifolium L. var. tomentellum (Greene) B. Boivin |
|
| Apocynum androsaemifolium L. var. woodsonii B. Boivin |
|
| Apocynum pumilum (A. Gray) Greene |
|
| Apocynum pumilum (A. Gray) Greene var. rhomboideum (Greene) Bég. & Beloserky |
|
| Apocynum scopulorum Greene ex Rydb. |
|
| Apocynum cannabinum L. |
Indianhemp |
| Apocynum cannabinum L. var. angustifolium (Woot.) N.H. Holmgren |
|
| Apocynum cannabinum L. var. glaberrimum A. DC. |
|
| Apocynum cannabinum L. var. greeneanum (Bég. & Beloserky) Woodson |
|
| Apocynum cannabinum L. var. hypericifolium (Aiton) A. Gray |
|
| Apocynum cannabinum L. var. nemorale (G.S. Mill.) Fernald |
|
| Apocynum cannabinum L. var. pubescens (Mitchell ex R. Br.) Woodson |
|
| Apocynum cannabinum L. var. suksdorfii (Greene) Bég. & Beloserky |
|
| Apocynum hypericifolium Aiton |
|
| Apocynum pubescens Mitchell ex R. Br. |
|
| Apocynum sibiricum Jacq. |
|
| Apocynum sibiricum Jacq. var. cordigerum (Greene) Fernald |
|
| Apocynum sibiricum Jacq. var. farwellii (Greene) Fernald |
|
| Apocynum sibiricum Jacq. var. salignum (Greene) Fernald |
|
| Apocynum suksdorfii Greene |
|
| Apocynum suksdorfii Greene var. angustifolium (Woot.) Woodson |
|
| Apocynum ×floribundum Greene (pro sp.) [androsaemifolium × cannabinum] |
|
| Apocynum jonesii Woodson |
|
| Apocynum medium Greene |
|
| Apocynum medium Greene var. floribundum (Greene) Woodson |
|
| Apocynum medium Greene var. leuconeuron (Greene) Woodson |
|
| Apocynum medium Greene var. lividum (Greene) Woodson |
|
| Apocynum medium Greene var. sarniense (Greene) Woodson |
|
| Apocynum medium Greene var. vestitum (Greene) Woodson |
|
| Apocynum milleri Britton |
|
| Aquilegia L. |
columbine |
| Aquilegia coerulea James |
Colorado blue columbine |
| Aquilegia caerulea James, orth. var. |
|
| Aquilegia coerulea James var. ochroleuca Hook. |
white Colorado columbine |
| Aquilegia caerulea James var. ochroleuca Hook., orth. var. |
|
| Aquilegia coerulea James var. pinetorum (Tidestr.) Payson ex Kearney & Peebles |
Colorado blue columbine |
| Aquilegia caerulea James var. pinetorum (Tidestr.) Payson ex Kearney & Peebles, orth. var. |
|
| Aquilegia formosa Fisch. ex DC. |
western columbine |
| Aquilegia formosa Fisch. ex DC. var. communis B. Boivin |
|
| Aquilegia formosa Fisch. ex DC. var. fosteri S.L. Welsh |
|
| Aquilegia formosa Fisch. ex DC. var. hypolasia (Greene) Munz |
|
| Aquilegia formosa Fisch. ex DC. var. megalantha B. Boivin |
|
| Aquilegia formosa Fisch. ex DC. var. pauciflora (Greene) Boothman |
|
| Aquilegia formosa Fisch. ex DC. var. truncata (Fisch. & C.A. Mey.) M.E. Jones |
|
| Aquilegia formosa Fisch. ex DC. var. wawawensis (Payson) H. St. John |
|
| Aquilegia fosteri (S.L. Welsh) S.L. Welsh |
|
| Aquilegia mohavensis Munz |
|
| Aquilegia shockleyi Eastw. |
|
| Aquilegia scopulorum Tidestr. |
Utah columbine |
| Aquilegia scopulorum Tidestr. var. scopulorum |
Utah columbine |
| Arabis L. |
rockcress |
| Arabis beckwithii S. Watson |
Beckwith's rockcress |
| Arabis bodiensis Rollins |
Bodie Hills rockcress |
| Arabis cobrensis M.E. Jones |
sagebrush rockcress |
| Boechera cobrensis (M.E. Jones) Dorn |
|
| Arabis cusickii S. Watson |
Cusick's rockcress |
| Arabis davidsonii Greene |
Davidson's rockcress |
| Arabis davidsonii Greene var. davidsonii |
Davidson's rockcress |
| Arabis demissa Greene |
nodding rockcress |
| Arabis demissa Greene var. languida Rollins |
nodding rockcress |
| Boechera demissa (Greene) W.A. Weber var. languida (Rollins) Dorn |
|
| Arabis dispar M.E. Jones |
pinyon rockcress |
| Arabis ×divaricarpa A. Nelson (pro sp.) [drummondii × holboellii] |
spreadingpod rockcress |
| Arabis acutina Greene |
|
| Arabis confinis S. Watson var. interposita (Greene) S.L. Welsh & Reveal |
|
| Arabis divaricarpa A. Nelson var. dechamplainii B. Boivin |
|
| Arabis divaricarpa A. Nelson var. interposita (Greene) Rollins |
|
| Arabis divaricarpa A. Nelson var. stenocarpa M. Hopkins |
|
| Arabis divaricarpa A. Nelson var. typica Rollins |
|
| Arabis interposita Greene |
|
| Boechera divaricarpa (A. Nelson) A. Löve & D. Löve |
|
| Arabis drummondii A. Gray |
Drummond's rockcress |
| Arabis brachycarpa (Torr. & A. Gray) Britton |
|
| Arabis confinis S. Watson |
|
| Arabis connexa Greene |
|
| Arabis drummondii A. Gray var. connexa (Greene) Fernald |
|
| Arabis drummondii A. Gray var. oxyphylla (Greene) M. Hopkins |
|
| Arabis oxyphylla Greene |
|
| Boechera angustifolia (Nutt.) Dorn |
|
| Boechera brachycarpa (Torr. & A. Gray) Dorn |
|
| Boechera drummondii (A. Gray) A. Löve & D. Löve |
|
| Erysimum drummondii (A. Gray) Kuntze |
|
| Turritis drummondii (A. Gray) Lunell |
|
| Arabis falcatoria Rollins |
Grouse Creek rockcress |
| Arabis falcifructa Rollins |
Elko rockcress |
| Arabis fendleri (S. Watson) Greene |
Fendler's rockcress |
| Arabis fendleri (S. Watson) Greene var. fendleri |
Fendler's rockcress |
| Arabis holboellii Hornem. var. fendleri S. Watson |
|
| Arabis porphyrea Woot. & Standl. |
|
| Boechera fendleri (S. Watson) W.A. Weber |
|
| Arabis fernaldiana Rollins |
park rockcress |
| Arabis fernaldiana Rollins var. fernaldiana |
park rockcress |
| Arabis fernaldiana Rollins var. typica Rollins |
|
| Arabis vivariensis S.L. Welsh |
|
| Boechera fernaldiana (Rollins) W.A. Weber |
|
| Boechera vivariensis (S.L. Welsh) W.A. Weber |
|
| Arabis fernaldiana Rollins var. stylosa (S. Watson) Rollins |
park rockcress |
| Arabis glabra (L.) Bernh. |
tower rockcress |
| Arabis glabra (L.) Bernh. var. furcatipilis M. Hopkins |
|
| Arabis glabra (L.) Bernh. var. glabra |
|
| Turritis glabra L. |
|
| Arabis glaucovalvula M.E. Jones |
bluepod rockcress |
| Arabis gracilipes Greene |
Flagstaff rockcress |
| Arabis hirsuta (L.) Scop. |
hairy rockcress |
| Arabis hirsuta (L.) Scop. var. glabrata Torr. & A. Gray |
mountain rockcress |
| Arabis hirsuta (L.) Scop. var. hirsuta |
hairy rockcress |
| Arabis hirsuta (L.) Scop. var. pycnocarpa (M. Hopkins) Rollins |
creamflower rockcress |
| Arabis hirsuta (L.) Scop. ssp. pycnocarpa (M. Hopkins) Hultén |
|
| Arabis hirsuta (L.) Scop. var. adpressipilis (M. Hopkins) Rollins |
|
| Arabis ovata sensu Small, non Michx. |
|
| Arabis pycnocarpa M. Hopkins |
|
| Arabis pycnocarpa M. Hopkins var. adpressipilis M. Hopkins |
|
| Arabis holboellii Hornem. |
Holboell's rockcress |
| Arabis holboellii Hornem. var. pendulocarpa (A. Nelson) Rollins |
dropseed rockcress |
| Arabis pendulocarpa A. Nelson |
|
| Arabis holboellii Hornem. var. pinetorum (Tidestr.) Rollins |
Holboell's rockcress |
| Arabis pinetorum Tidestr. |
|
| Boechera holboellii (Hornem.) A. Löve & D. Löve var. pinetorum (Tidestr.) Dorn |
|
| Arabis holboellii Hornem. var. retrofracta (Graham) Rydb. |
second rockcress |
| Arabis arcuata (Nutt.) A. Gray var. secunda (Howell) B.L. Rob. |
|
| Arabis caduca A. Nelson |
|
| Arabis consanguinea Greene |
|
| Arabis exilis A. Nelson |
|
| Arabis holboellii Hornem. var. consanguinea (Greene) G. Mulligan |
|
| Arabis holboellii Hornem. var. secunda (Howell) Jeps. |
|
| Arabis holboellii Hornem. var. tenuis Böcher |
|
| Arabis kochii Blank. |
|
| Arabis lignipes A. Nelson |
|
| Arabis mcdougalii Rydb. |
|
| Arabis polyantha Greene |
|
| Arabis retrofracta Graham |
|
| Arabis retrofracta Graham var. multicaulis B. Boivin |
|
| Arabis rhodanthus Greene |
|
| Arabis secunda Howell |
|
| Arabis tenuis Greene |
|
| Boechera exilis (A. Nelson) Dorn |
|
| Boechera holboellii (Hornem.) A. Löve & D. Löve var. retrofracta (Graham) Dorn |
|
| Boechera holboellii (Hornem.) A. Löve & D. Löve var. secunda (Howell) Dorn |
|
| Boechera retrofracta (Graham) A. Löve & D. Löve |
|
| Boechera tenuis (Böcher) A. Löve & D. Löve |
|
| Arabis inyoensis Rollins |
Inyo rockcress |
| Arabis lemmonii S. Watson |
Lemmon's rockcress |
| Arabis lemmonii S. Watson var. depauperata (A. Nelson & Kennedy) Rollins |
soldier rockcress |
| Arabis depauperata A. Nelson & Kennedy |
|
| Arabis lemmonii S. Watson var. drepanoloba (Greene) Rollins |
soldier rockcress |
| Arabis drepanoloba Greene |
|
| Boechera lemmonii (S. Watson) W.A. Weber var. drepanoloba (Greene) Dorn |
|
| Arabis lemmonii S. Watson var. lemmonii |
Lemmon's rockcress |
| Arabis lemmonii S. Watson var. typica Rollins |
|
| Boechera lemmonii (S. Watson) W.A. Weber |
|
| Arabis lignifera A. Nelson |
desert rockcress |
| Boechera lignifera (A. Nelson) W.A. Weber |
|
| Arabis lyallii S. Watson |
Lyall's rockcress |
| Arabis lyallii S. Watson var. lyallii |
Lyall's rockcress |
| Boechera lyallii (S. Watson) Dorn |
|
| Arabis lyallii S. Watson var. nubigena (J.F. Macbr. & Payson) Rollins |
Lyall's rockcress |
| Arabis microphylla Nutt. |
littleleaf rockcress |
| Arabis microphylla Nutt. var. microphylla |
littleleaf rockcress |
| Arabis tenuicula Greene |
|
| Boechera microphylla (Nutt.) Dorn |
|
| Boechera microphylla (Nutt.) Dorn var. microphylla |
|
| Arabis nuttallii B.L. Rob. |
Nuttall's rockcress |
| Arabis bridgeri M.E. Jones |
|
| Arabis macella Piper |
|
| Boechera nuttallii (B.L. Rob.) Dorn |
|
| Arabis ophira Rollins |
Ophir Pass rockcress |
| Arabis pendulina Greene |
rabbit ear rockcress |
| Arabis pendulina Greene var. pendulina |
rabbit ear rockcress |
| Arabis diehlii M.E. Jones |
|
| Arabis nevadensis Tidestr. |
|
| Boechera pendulina (Greene) W.A. Weber |
|
| Arabis perennans S. Watson |
perennial rockcress |
| Arabis angulata Greene |
|
| Arabis arcuata (Nutt.) A. Gray var. perennans (S. Watson) M.E. Jones |
|
| Arabis eremophila Greene |
|
| Arabis gracilenta Greene |
|
| Arabis recondita Greene |
|
| Boechera perennans (S. Watson) W.A. Weber |
|
| Arabis pinzliae Rollins |
Boundary Peak rockcress |
| Arabis platysperma A. Gray |
pioneer rockcress |
| Arabis platysperma A. Gray var. howellii (S. Watson) Jeps. |
Howell's pioneer rockcress |
| Arabis conferta Greene |
|
| Arabis covillei Greene |
|
| Arabis howellii S. Watson |
|
| Arabis inamoena Greene var. acutata Jeps. |
|
| Arabis leibergii Greene |
|
| Arabis platyloba Greene |
|
| Arabis platysperma A. Gray var. imparata Jeps. |
|
| Arabis platysperma A. Gray var. platysperma |
pioneer rockcress |
| Arabis inamoena Greene |
|
| Arabis oligantha Greene |
|
| Erysimum platyspermum (A. Gray) Kuntze |
|
| Arabis puberula Nutt. |
silver rockcress |
| Arabis pulchra M.E. Jones ex S. Watson |
beautiful rockcress |
| Arabis pulchra M.E. Jones ex S. Watson var. gracilis M.E. Jones |
beautiful rockcress |
| Arabis pulchra M.E. Jones ex S. Watson var. glabrescens Wiggins |
|
| Arabis pulchra M.E. Jones ex S. Watson var. viridis Jeps. |
|
| Arabis trichopoda Greene |
|
| Arabis pulchra M.E. Jones ex S. Watson var. munciensis M.E. Jones |
Muncy rockcress |
| Arabis pulchra M.E. Jones ex S. Watson var. pulchra |
beautiful rockcress |
| Boechera pulchra (M.E. Jones ex S. Watson) W.A. Weber |
|
| Arabis rectissima Greene |
bristlyleaf rockcress |
| Arabis rectissima Greene var. rectissima |
bristlyleaf rockcress |
| Arabis setigera Greene |
|
| Arabis wyndii L.F. Hend. |
|
| Arabis rectissima Greene var. simulans Rollins |
bristlyleaf rockcress |
| Arabis repanda S. Watson |
Yosemite rockcress |
| Arabis repanda S. Watson var. repanda |
Yosemite rockcress |
| Arabis rigidissima Rollins |
Trinity Mountain rockcress |
| Arabis rigidissima Rollins var. demota Rollins |
Trinity Mountain rockcress |
| Arabis schistacea Rollins |
divided rockcress |
| Arabis selbyi Rydb. |
Selby's rockcress |
| Boechera selbyi (Rydb.) W.A. Weber |
|
| Arabis shockleyi Munz |
Shockley's rockcress |
| Arabis sparsiflora Nutt. |
sicklepod rockcress |
| Arabis sparsiflora Nutt. var. sparsiflora |
sicklepod rockcress |
| Arabis arcoidea A. Nelson |
|
| Arabis peramoena Greene |
|
| Arabis sparsiflora Nutt. var. peramoena (Greene) Rollins |
|
| Boechera sparsiflora (Nutt.) Dorn |
|
| Arabis sparsiflora Nutt. var. subvillosa (S. Watson) Rollins |
hairystem rockcress |
| Arabis arcuata (Nutt.) A. Gray var. subvillosa S. Watson |
|
| Arabis campyloloba Greene |
|
| Arabis elegans A. Nelson |
|
| Arabis perelegans A. Nelson |
|
| Arabis polytricha Greene |
|
| Arabis subserrata Greene |
|
| Boechera sparsiflora (Nutt.) Dorn var. subvillosa (S. Watson) Dorn |
|
| Arabis suffrutescens S. Watson |
woody rockcress |
| Arabis suffrutescens S. Watson var. suffrutescens |
woody rockcress |
| Arabis dianthifolia Greene |
|
| Arabis duriuscula Greene |
|
| Arabis tiehmii Rollins |
Carson Range rockcress |
| Arceuthobium M. Bieb. |
dwarf mistletoe |
| Arceuthobium abietinum Engelm. ex Munz |
fir dwarf mistletoe |
| Arceuthobium americanum Nutt. ex Engelm. |
American dwarf mistletoe |
| Arceuthobium campylopodum Engelm. |
western dwarf mistletoe |
| Arceuthobium cyanocarpum (A. Nelson ex Rydb.) A. Nelson |
limber pine dwarf mistletoe |
| Arceuthobium divaricatum Engelm. |
pinyon dwarf mistletoe |
| Arceuthobium douglasii Engelm. |
Douglas-fir dwarf mistletoe |
| Arctium L. |
burdock |
| Arctium lappa L. |
greater burdock |
| Lappa major Gaertn. |
|
| Arctium minus Bernh. |
lesser burdock |
| Lappa minor Hill |
|
| Arctomecon Torr. & Frém. |
bearpoppy |
| Arctomecon californica Torr. & Frém. |
California bearpoppy |
| Arctomecon merriamii Coville |
desert bearpoppy |
| Arctostaphylos Adans. |
manzanita |
| Arctostaphylos nevadensis A. Gray |
pinemat manzanita |
| Arctostaphylos pungens Kunth ssp. nevadensis (A. Gray) J.B. Roof |
|
| Arctostaphylos patula Greene |
greenleaf manzanita |
| Arctostaphylos acutifolia Eastw. |
|
| Arctostaphylos parryana Lemmon var. pinetorum (Rollins) Wies. & Schreib. |
|
| Arctostaphylos patula Greene ssp. platyphylla (A. Gray) P.V. Wells |
|
| Arctostaphylos patula Greene var. coalescens W. Knight |
|
| Arctostaphylos pringlei Parry |
Pringle manzanita |
| Arctostaphylos pringlei Parry ssp. pringlei |
Pringle manzanita |
| Arctostaphylos pungens Kunth |
pointleaf manzanita |
| Arctostaphylos chaloneorum J.B. Roof |
|
| Arctostaphylos pseudopungens J.B. Roof |
|
| Arctostaphylos pungens Kunth ssp. chaloneorum (J.B. Roof) J.B. Roof |
|
| Arctostaphylos uva-ursi (L.) Spreng. |
kinnikinnick |
| Arctostaphylos adenotricha (Fernald & J.F. Macbr.) A. Löve & D. Löve & Kapoor |
|
| Arctostaphylos uva-ursi (L.) Spreng. ssp. adenotricha (Fernald & J.F. Macbr.) Calder & Roy L. Taylor |
|
| Arctostaphylos uva-ursi (L.) Spreng. ssp. coactilis (Fernald & J.F. Macbr.) A. Löve & D. Löve & Kapoor |
|
| Arctostaphylos uva-ursi (L.) Spreng. ssp. longipilosa Packer & Denford |
|
| Arctostaphylos uva-ursi (L.) Spreng. ssp. monoensis J.B. Roof |
|
| Arctostaphylos uva-ursi (L.) Spreng. ssp. stipitata Packer & Denford |
|
| Arctostaphylos uva-ursi (L.) Spreng. var. adenotricha Fernald & J.F. Macbr. |
|
| Arctostaphylos uva-ursi (L.) Spreng. var. coactilis Fernald & J.F. Macbr. |
|
| Arctostaphylos uva-ursi (L.) Spreng. var. leobreweri J.B. Roof |
|
| Arctostaphylos uva-ursi (L.) Spreng. var. marinensis J.B. Roof |
|
| Arctostaphylos uva-ursi (L.) Spreng. var. pacifica Hultén |
|
| Arctostaphylos uva-ursi (L.) Spreng. var. stipitata (Packer & Denford) Dorn |
|
| Arctostaphylos uva-ursi (L.) Spreng. var. suborbiculata W. Knight |
|
| Uva-Ursi uva-ursi (L.) Britton |
|
| Arenaria L. |
sandwort |
| Arenaria aculeata S. Watson |
prickly sandwort |
| Arenaria congesta Nutt. var. aculeata (S. Watson) M.E. Jones |
|
| Arenaria fendleri A. Gray var. aculeata (S. Watson) S.L. Welsh |
|
| Arenaria pumicola Coville & Leiberg var. californica Maguire |
|
| Arenaria salmonensis L.F. Hend. |
|
| Eremogone aculeata (S. Watson) Ikonn. |
|
| Arenaria capillaris Poir. |
slender mountain sandwort |
| Arenaria capillaris Poir. ssp. americana Maguire |
fescue sandwort |
| Arenaria capillaris Poir. var. americana (Maguire) R.J. Davis |
|
| Arenaria formosa (Fisch.) Regel |
|
| Eremogone americana (Maguire) Ikonn. |
|
| Arenaria congesta Nutt. |
ballhead sandwort |
| Arenaria congesta Nutt. var. charlestonensis Maguire |
Charleston sandwort |
| Arenaria congesta Nutt. var. congesta |
ballhead sandwort |
| Eremogone congesta (Nutt.) Ikonn. |
|
| Eremogone congesta (Nutt.) Ikonn. var. congesta |
|
| Arenaria congesta Nutt. var. simulans Maguire |
ballhead sandwort |
| Arenaria congesta Nutt. var. subcongesta (S. Watson) S. Watson |
loosehead sandwort |
| Arenaria burkei Howell |
|
| Arenaria fendleri A. Gray var. subcongesta S. Watson |
|
| Arenaria subcongesta (S. Watson) Rydb. |
|
| Arenaria congesta Nutt. var. wheelerensis Maguire |
Wheeler's sandwort |
| Arenaria franklinii Douglas ex Hook. |
Franklin's sandwort |
| Arenaria franklinii Douglas ex Hook. var. franklinii |
Franklin's sandwort |
| Arenaria hookeri Nutt. |
Hooker's sandwort |
| Arenaria hookeri Nutt. ssp. hookeri |
Hooker's sandwort |
| Arenaria hookeri Nutt. var. hookeri |
|
| Eremogone hookeri (Nutt.) W.A. Weber |
|
| Eremogone hookeri (Nutt.) W.A. Weber var. hookeri |
|
| Arenaria kingii (S. Watson) M.E. Jones |
King's sandwort |
| Arenaria kingii (S. Watson) M.E. Jones ssp. compacta (Coville) Maguire |
King's compact sandwort |
| Arenaria compacta Coville |
|
| Arenaria fendleri A. Gray var. glabrescens S. Watson |
|
| Arenaria kingii (S. Watson) M.E. Jones var. glabrescens (S. Watson) Maguire |
|
| Eremogone kingii (S. Watson) Ikonn. var. glabrescens (S. Watson) Dorn |
|
| Arenaria kingii (S. Watson) M.E. Jones ssp. kingii |
King's sandwort |
| Arenaria congesta Nutt. var. kingii (S. Watson) B.L. Rob. |
|
| Eremogone kingii (S. Watson) Ikonn. |
|
| Arenaria kingii (S. Watson) M.E. Jones ssp. rosea Maguire |
King's rosy sandwort |
| Arenaria kingii (S. Watson) M.E. Jones ssp. uintahensis (A. Nelson) Maguire |
Uinta sandwort |
| Arenaria aculeata S. Watson var. uintahensis (A. Nelson) M. Peck |
|
| Arenaria kingii (S. Watson) M.E. Jones var. uintahensis (A. Nelson) C.L. Hitchc. |
|
| Arenaria uintahensis A. Nelson |
|
| Eremogone kingii (S. Watson) Ikonn. ssp. uintahensis (A. Nelson) W.A. Weber |
|
| Arenaria macradenia S. Watson |
Mojave sandwort |
| Arenaria macradenia S. Watson ssp. ferrisiae Abrams |
Ferris' sandwort |
| Arenaria macradenia S. Watson ssp. macradenia |
Mojave sandwort |
| Arenaria macradenia S. Watson ssp. macradenia var. macradenia |
Mojave sandwort |
| Arenaria congesta Nutt. var. macradenia (S. Watson) M.E. Jones |
|
| Arenaria congesta Nutt. var. parishiorum (B.L. Rob.) B.L. Rob. |
|
| Arenaria macradenia S. Watson var. parishiorum B.L. Rob. |
|
| Eremogone macradenia (S. Watson) Ikonn. |
|
| Eremogone parishiorum (B.L. Rob.) Ikonn. |
|
| Arenaria serpyllifolia L. |
thymeleaf sandwort |
| Arenaria leptoclados (Rchb.) Guss. |
|
| Arenaria serpyllifolia L. ssp. leptoclados (Rchb.) Nyman |
|
| Arenaria serpyllifolia L. ssp. serpyllifolia |
|
| Arenaria serpyllifolia L. var. tenuior Mert. & W.D.J. Koch |
|
| Arenaria stenomeres Eastw. |
Meadow Valley sandwort |
| Eremogone stenomeres (Eastw.) Ikonn. |
|
| Argemone L. |
pricklypoppy |
| Argemone corymbosa Greene |
Mojave pricklypoppy |
| Argemone corymbosa Greene ssp. corymbosa |
Mojave pricklypoppy |
| Argemone munita Durand & Hilg. |
flatbud pricklypoppy |
| Argemone munita Durand & Hilg. ssp. argentea G.B. Ownbey |
flatbud pricklypoppy |
| Argemone munita Durand & Hilg. var. argentea (G.B. Ownbey) Shinners |
|
| Argemone munita Durand & Hilg. ssp. rotundata (Rydb.) G.B. Ownbey |
flatbud pricklypoppy |
| Argemone munita Durand & Hilg. var. rotundata (Rydb.) Shinners |
|
| Argemone rotundata Rydb. |
|
| Argentina Hill |
silverweed |
| Argentina anserina (L.) Rydb. |
silverweed cinquefoil |
| Argentina anserina (L.) Rydb. var. concolor (Ser.) Rydb. |
|
| Argentina argentea (L.) Rydb. |
|
| Potentilla anserina L. |
|
| Potentilla anserina L. ssp. anserina |
|
| Potentilla anserina L. var. concolor Ser. |
|
| Potentilla anserina L. var. sericea Hayne |
|
| Potentilla anserina L. var. yukonensis (Hultén) B. Boivin |
|
| Potentilla egedii Wormsk. ssp. yukonensis (Hultén) Hultén |
|
| Potentilla yukonensis Hultén |
|
| Argyrochosma (Sm.) Windham |
false cloak fern |
| Argyrochosma jonesii (Maxon) Windham |
Jones' false cloak fern |
| Cheilanthes jonesii (Maxon) Munz |
|
| Notholaena jonesii Maxon |
|
| Pellaea jonesii (Maxon) Morton |
|
| Argythamnia P. Br. |
silverbush |
| Argythamnia claryana Jeps. |
desert silverbush |
| Argythamnia adenophora auct. non A. Gray |
|
| Ditaxis adenophora auct. non (A. Gray) Pax & K. Hoffm. |
|
| Ditaxis claryana (Jeps.) G.L. Webster |
|
| Argythamnia cyanophylla (Woot. & Standl.) J.W. Ingram |
Charleston Mountain silverbush |
| Ditaxis cyanophylla Woot. & Standl. |
|
| Ditaxis diversiflora Clokey |
|
| Argythamnia neomexicana Müll. Arg. |
New Mexico silverbush |
| Ditaxis neomexicana (Müll. Arg.) A. Heller |
|
| Aristida L. |
threeawn |
| Aristida adscensionis L. |
sixweeks threeawn |
| Aristida adscensionis L. var. abortiva Beetle |
|
| Aristida adscensionis L. var. modesta Hack. |
|
| Aristida fasciculata Torr. |
|
| Aristida arizonica Vasey |
Arizona threeawn |
| Aristida purpurea Nutt. |
purple threeawn |
| Aristida purpurea Nutt. var. fendleriana (Steud.) Vasey |
Fendler's threeawn |
| Aristida fendleriana Steud. |
|
| Aristida purpurea Nutt. var. longiseta (Steud.) Vasey |
Fendler threeawn |
| Aristida longiseta Steud. |
|
| Aristida longiseta Steud. var. rariflora Hitchc. |
|
| Aristida longiseta Steud. var. robusta Merr. |
|
| Aristida purpurea Nutt. var. robusta (Merr.) Piper |
|
| Aristida purpurea Nutt. var. nealleyi (Vasey) Allred |
blue threeawn |
| Aristida glauca (Nees) Walp. |
|
| Aristida nealleyi (Vasey) Vasey |
|
| Aristida purpurea Nutt. var. glauca (Nees) A.H. Holmgren & N.H. Holmgren |
|
| Aristida reverchonii Vasey |
|
| Aristida stricta Michx. var. nealleyi Vasey |
|
| Aristida purpurea Nutt. var. parishii (Hitchc.) Allred |
Parish's threeawn |
| Aristida parishii Hitchc. |
|
| Aristida wrightii Nash var. parishii (Hitchc.) Gould |
|
| Aristida purpurea Nutt. var. purpurea |
purple threeawn |
| Aristida purpurea Nutt. var. laxiflora Merr. |
|
| Aristida roemeriana Scheele |
|
| Aristida purpurea Nutt. var. wrightii (Nash) Allred |
Wright's threeawn |
| Aristida brownii Warnock |
|
| Aristida wrightii Nash |
|
| Armoracia G. Gaertn., B. Mey. & Scherb. |
armoracia |
| Armoracia rusticana G. Gaertn., B. Mey. & Scherb. |
horseradish |
| Armoracia armoracia (L.) Britton |
|
| Armoracia lapathifolia Gilib. |
|
| Cochlearia armoracia L. |
|
| Nasturtium armoracia (L.) Fr. |
|
| Radicula armoracia (L.) B.L. Rob. |
|
| Rorippa armoracia (L.) Hitchc. |
|
| Arnica L. |
arnica |
| Arnica amplexicaulis Nutt. |
clasping arnica |
| Arnica amplexicaulis Nutt. ssp. genuina Maguire |
|
| Arnica amplexicaulis Nutt. ssp. prima (Maguire) Maguire |
|
| Arnica amplexicaulis Nutt. var. piperi H. St. John & Warren |
|
| Arnica amplexicaulis Nutt. var. prima (Maguire) B. Boivin |
|
| Arnica amplexifolia Rydb. |
|
| Arnica mollis Hook. var. aspera (Greene) B. Boivin |
|
| Arnica chamissonis Less. |
Chamisso arnica |
| Arnica chamissonis Less. ssp. foliosa (Nutt.) Maguire |
Chamisso arnica |
| Arnica chamissonis Less. ssp. foliosa (Nutt.) Maguire var. andina (Nutt.) Ediger & T.M. Barkley |
Chamisso arnica |
| Arnica chamissonis Less. var. foliosa (Nutt.) Maguire |
|
| Arnica chamissonis Less. var. jepsoniana Maguire |
|
| Arnica foliosa Nutt. |
|
| Arnica chamissonis Less. ssp. foliosa (Nutt.) Maguire var. incana (A. Gray) Hultén |
Chamisso arnica |
| Arnica chamissonis Less. ssp. incana (A. Gray) Maguire |
|
| Arnica foliosa Nutt. var. incana A. Gray |
|
| Arnica cordifolia Hook. |
heartleaf arnica |
| Arnica cordifolia Hook. ssp. genuina Maguire |
|
| Arnica cordifolia Hook. var. humilis (Rydb.) Maguire |
|
| Arnica cordifolia Hook. var. pumila (Rydb.) Maguire |
|
| Arnica cordifolia Hook. var. whitneyi (Fernald) Maguire |
|
| Arnica hardinae H. St. John |
|
| Arnica humilis Rydb. |
|
| Arnica paniculata A. Nelson |
|
| Arnica whitneyi Fernald |
|
| Arnica discoidea Benth. |
rayless arnica |
| Arnica discoidea Benth. var. alata (Rydb.) Cronquist |
|
| Arnica discoidea Benth. var. eradiata (A. Gray) Cronquist |
|
| Arnica grayi A. Heller |
|
| Arnica parviflora A. Gray |
|
| Arnica parviflora A. Gray ssp. alata (Rydb.) Maguire |
|
| Arnica ×diversifolia Greene (pro sp.) [amplexicaulis or mollis × cordifolia or latifolia] |
rayless arnica |
| Arnica fulgens Pursh |
foothill arnica |
| Arnica latifolia Bong. |
broadleaf arnica |
| Arnica latifolia Bong. var. angustifolia Herder |
|
| Arnica longifolia D.C. Eaton |
spearleaf arnica |
| Arnica longifolia D.C. Eaton ssp. genuina Maguire |
|
| Arnica longifolia D.C. Eaton ssp. myriadenia (Piper) Maguire |
|
| Arnica mollis Hook. |
hairy arnica |
| Arnica mollis Hook. var. silvatica (Greene) Maguire |
|
| Arnica nevadensis A. Gray |
Nevada arnica |
| Arnica tomentella Greene |
|
| Arnica parryi A. Gray |
Parry's arnica |
| Arnica parryi A. Gray ssp. sonnei (Greene) Maguire |
Sonne's arnica |
| Arnica parryi A. Gray var. sonnei (Greene) Cronquist |
|
| Arnica sonnei Greene |
|
| Arnica rydbergii Greene |
Rydberg's arnica |
| Arnica cascadensis H. St. John |
|
| Arnica sororia Greene |
twin arnica |
| Arnica fulgens Pursh var. sororia (Greene) G.W. Douglas & G. Ruyle-Douglas |
|
| Arrhenatherum P. Beauv. |
oatgrass |
| Arrhenatherum elatius (L.) P. Beauv. ex J. Presl & C. Presl |
tall oatgrass |
| Arrhenatherum elatius (L.) P. Beauv. ex J. Presl & C. Presl var. elatius |
tall oatgrass |
| Arrhenatherum elatius (L.) P. Beauv. ex J. Presl & C. Presl var. biaristatum (Peterm.) Peterm. |
|
| Avena elatior L. |
|
| Artemisia L. |
sagebrush |
| Artemisia arbuscula Nutt. |
little sagebrush |
| Artemisia arbuscula Nutt. ssp. arbuscula |
little sagebrush |
| Artemisia tridentata Nutt. ssp. arbuscula (Nutt.) H.M. Hall & Clem. |
|
| Seriphidium arbusculum (Nutt.) W.A. Weber |
|
| Artemisia arbuscula Nutt. ssp. longicaulis Winward & McArthur |
little sagebrush |
| Artemisia arbuscula Nutt. ssp. longiloba (Osterh.) L.M. Shultz |
little sagebrush |
| Artemisia arbuscula Nutt. var. longiloba (Osterh.) Dorn |
|
| Artemisia longiloba (Osterh.) Beetle |
|
| Artemisia spiciformis Osterh. var. longiloba Osterh. |
|
| Seriphidium arbusculum (Nutt.) W.A. Weber ssp. longilobum (Osterh.) W.A. Weber |
|
| Artemisia biennis Willd. |
biennial wormwood |
| Artemisia biennis Willd. var. biennis |
biennial wormwood |
| Artemisia bigelovii A. Gray |
Bigelow sage |
| Artemisia campestris L. |
field sagewort |
| Artemisia campestris L. ssp. borealis (Pall.) H.M. Hall & Clem. |
field sagewort |
| Artemisia campestris L. ssp. borealis (Pall.) H.M. Hall & Clem. var. scouleriana (Hook.) Cronquist |
field sagewort |
| Artemisia campestris L. ssp. pacifica (Nutt.) H.M. Hall & Clem. |
|
| Artemisia campestris L. var. pacifica (Nutt.) M. Peck |
|
| Artemisia campestris L. var. strutziae S.L. Welsh |
|
| Artemisia camporum Rydb. |
|
| Artemisia pacifica Nutt. |
|
| Artemisia ripicola Rydb. |
|
| Oligosporus campestris (L.) Cass. ssp. pacificus (Nutt.) W.A. Weber |
|
| Oligosporus pacificus (Nutt.) Poljakov |
|
| Artemisia cana Pursh |
silver sagebrush |
| Artemisia cana Pursh ssp. bolanderi (A. Gray) G.H. Ward |
silver sagebrush |
| Artemisia bolanderi A. Gray |
|
| Artemisia tridentata Nutt. ssp. bolanderi (A. Gray) H.M. Hall & Clem. |
|
| Artemisia tridentata Nutt. var. bolanderi (A. Gray) McMinn |
|
| Seriphidium canum (Pursh) W.A. Weber ssp. bolanderi (A. Gray) W.A. Weber |
|
| Artemisia cana Pursh ssp. viscidula (Osterh.) Beetle |
silver sagebrush |
| Artemisia argilosa Beetle |
|
| Artemisia cana Pursh var. viscidula Osterh. |
|
| Seriphidium canum (Pursh) W.A. Weber ssp. viscidulum (Osterh.) W.A. Weber |
|
| Artemisia carruthii Alph. Wood ex Carruth. |
Carruth's sagewort |
| Artemisia carruthii Alph. Wood ex Carruth. var. wrightii (A. Gray) S.F. Blake |
|
| Artemisia kansana Britton |
|
| Artemisia douglasiana Besser |
Douglas' sagewort |
| Artemisia campestris L. var. douglasiana (Besser) B. Boivin |
|
| Artemisia vulgaris L. ssp. heterophylla (Nutt.) H.M. Hall & Clem. |
|
| Artemisia vulgaris L. var. douglasiana (Besser) H. St. John |
|
| Artemisia dracunculus L. |
tarragon |
| Artemisia dracunculoides Pursh |
|
| Artemisia dracunculoides Pursh var. dracunculina (S. Watson) S.F. Blake |
|
| Artemisia dracunculus L. ssp. glauca (Pall. ex Willd.) H.M. Hall & Clem. |
|
| Artemisia dracunculus L. var. glauca (Pall. ex Willd.) Besser |
|
| Artemisia glauca Pall. ex Willd. |
|
| Artemisia glauca Pall. ex Willd. var. dracunculina (S. Watson) Fernald |
|
| Oligosporus dracunculus (L.) Poljakov |
|
| Oligosporus dracunculus (L.) Poljakov ssp. dracunculinus (S. Watson) W.A. Weber |
|
| Oligosporus dracunculus (L.) Poljakov ssp. glaucus (Pall. ex Willd.) A. Löve & D. Löve |
|
| Artemisia filifolia Torr. |
sand sagebrush |
| Oligosporus filifolius (Torr.) W.A. Weber |
|
| Artemisia frigida Willd. |
prairie sagewort |
| Artemisia ludoviciana Nutt. |
white sagebrush |
| Artemisia ludoviciana Nutt. ssp. albula (Woot.) D.D. Keck |
white sagebrush |
| Artemisia albula Woot. |
|
| Artemisia ludoviciana Nutt. var. albula (Woot.) Shinners |
|
| Artemisia ludoviciana Nutt. ssp. candicans (Rydb.) D.D. Keck |
white sagebrush |
| Artemisia candicans Rydb. |
|
| Artemisia ludoviciana Nutt. var. latiloba Nutt. |
|
| Artemisia ludoviciana Nutt. ssp. incompta (Nutt.) D.D. Keck |
white sagebrush |
| Artemisia incompta Nutt. |
|
| Artemisia ludoviciana Nutt. var. incompta (Nutt.) Cronquist |
|
| Artemisia ludoviciana Nutt. ssp. ludoviciana |
white sagebrush |
| Artemisia diversifolia Rydb. |
|
| Artemisia gnaphalodes Nutt. |
|
| Artemisia herriotii Rydb. |
|
| Artemisia ludoviciana Nutt. ssp. typica D.D. Keck |
|
| Artemisia ludoviciana Nutt. var. americana (Besser) Fernald |
|
| Artemisia ludoviciana Nutt. var. brittonii (Rydb.) Fernald |
|
| Artemisia ludoviciana Nutt. var. gnaphalodes (Nutt.) Torr. & A. Gray |
|
| Artemisia ludoviciana Nutt. var. latifolia (Besser) Torr. & A. Gray |
|
| Artemisia ludoviciana Nutt. var. pabularis (A. Nelson) Fernald |
|
| Artemisia pabularis (A. Nelson) Rydb. |
|
| Artemisia purshiana Besser |
|
| Artemisia vulgaris L. ssp. ludoviciana (Nutt.) H.M. Hall & Clem. |
|
| Artemisia vulgaris L. var. ludoviciana (Nutt.) Kuntze |
|
| Artemisia ludoviciana Nutt. ssp. mexicana (Willd. ex Spreng.) D.D. Keck |
white sagebrush |
| Artemisia ludoviciana Nutt. var. mexicana (Willd. ex Spreng.) A. Gray |
|
| Artemisia mexicana Willd. ex Spreng. |
|
| Artemisia neomexicana Greene ex Rydb. |
|
| Artemisia vulgaris L. var. mexicana (Willd. ex Spreng.) Torr. & A. Gray |
|
| Artemisia michauxiana Besser |
Michaux's wormwood |
| Artemisia vulgaris L. ssp. michauxiana (Besser) H. St. John |
|
| Artemisia nova A. Nelson |
black sagebrush |
| Artemisia arbuscula Nutt. ssp. nova (A. Nelson) G.H. Ward |
|
| Artemisia arbuscula Nutt. var. nova (A. Nelson) Cronquist |
|
| Artemisia nova A. Nelson var. duchesnicola S.L. Welsh & Goodrich |
|
| Artemisia tridentata Nutt. ssp. nova (A. Nelson) H.M. Hall & Clem. |
|
| Seriphidium novum (A. Nelson) W.A. Weber |
|
| Artemisia packardiae J. Grimes & Ertter |
Packard's wormwood |
| Artemisia papposa S.F. Blake & Cronquist |
Owyhee sage |
| Artemisia pygmaea A. Gray |
pygmy sagebrush |
| Seriphidium pygmaeum (A. Gray) W.A. Weber |
|
| Artemisia scopulorum A. Gray |
alpine sagebrush |
| Artemisia tilesii Ledeb. |
Tilesius' wormwood |
| Artemisia tilesii Ledeb. ssp. elatior (Torr. & A. Gray) Hultén |
Tilesius' wormwood |
| Artemisia elatior (Torr. & A. Gray) Rydb. |
|
| Artemisia tilesii Ledeb. var. elatior Torr. & A. Gray |
|
| Artemisia tridentata Nutt. |
big sagebrush |
| Artemisia tridentata Nutt. ssp. spiciformis (Osterh.) Kartesz & Gandhi |
big sagebrush |
| Artemisia spiciformis Osterh. |
|
| Artemisia tridentata Nutt. var. spiciformis (Osterh.) Dorn |
|
| Artemisia tridentata Nutt. ssp. tridentata |
basin big sagebrush |
| Artemisia angusta Rydb. |
|
| Artemisia tridentata Nutt. var. angustifolia A. Gray |
|
| Seriphidium tridentatum (Nutt.) W.A. Weber |
|
| Artemisia tridentata Nutt. ssp. vaseyana (Rydb.) Beetle |
mountain big sagebrush |
| Artemisia tridentata Nutt. var. pauciflora Winward & Goodrich |
|
| Artemisia tridentata Nutt. var. vaseyana (Rydb.) B. Boivin |
|
| Artemisia vaseyana Rydb. |
|
| Seriphidium tridentatum (Nutt.) W.A. Weber ssp. vaseyanum (Rydb.) W.A. Weber |
|
| Seriphidium vaseyanum (Rydb.) W.A. Weber |
|
| Artemisia tridentata Nutt. ssp. wyomingensis Beetle & Young |
Wyoming big sagebrush |
| Artemisia tridentata Nutt. var. wyomingensis (Beetle & Young) S.L. Welsh |
|
| Seriphidium tridentatum (Nutt.) W.A. Weber ssp. wyomingense (Beetle & Young) W.A. Weber |
|
| Artemisia tripartita Rydb. |
threetip sagebrush |
| Artemisia tripartita Rydb. ssp. tripartita |
threetip sagebrush |
| Artemisia tridentata Nutt. ssp. trifida (Nutt.) H.M. Hall & Clem. |
|
| Artemisia trifida Nutt. |
|
| Seriphidium tripartitum (Rydb.) W.A. Weber |
|
| Arundo L. |
giant reed |
| Arundo donax L. |
giant reed |
| Arundo donax L. var. versicolor (Mill.) Stokes |
|
| Arundo versicolor Mill. |
|
| Asclepias L. |
milkweed |
| Asclepias asperula (Decne.) Woodson |
spider milkweed |
| Asclepias asperula (Decne.) Woodson ssp. asperula |
spider milkweed |
| Asclepias cordifolia (Benth.) Jeps. |
heartleaf milkweed |
| Gomphocarpus cordifolius Benth. |
|
| Asclepias cryptoceras S. Watson |
pallid milkweed |
| Asclepias cryptoceras S. Watson ssp. cryptoceras |
pallid milkweed |
| Asclepias cryptoceras S. Watson ssp. davisii (Woodson) Woodson |
Davis' milkweed |
| Asclepias cryptoceras S. Watson var. davisii (Woodson) W.H. Baker |
|
| Asclepias davisii Woodson |
|
| Asclepias erosa Torr. |
desert milkweed |
| Asclepias fascicularis Decne. |
Mexican whorled milkweed |
| Asclepias mexicana auct. non Cav. |
|
| Asclepias hallii A. Gray |
Hall's milkweed |
| Asclepias incarnata L. |
swamp milkweed |
| Asclepias incarnata L. ssp. incarnata |
swamp milkweed |
| Asclepias nyctaginifolia A. Gray |
Mojave milkweed |
| Asclepias rusbyi (Vail) Woodson |
Rusby's milkweed |
| Asclepias engelmanniana Woodson var. rusbyi (Vail) Kearney |
|
| Asclepias speciosa Torr. |
showy milkweed |
| Asclepias giffordii Eastw. |
|
| Asclepias subulata Decne. |
rush milkweed |
| Asclepias subverticillata (A. Gray) Vail |
horsetail milkweed |
| Asclepias galioides auct. non Kunth |
|
| Asclepias uncialis Greene |
wheel milkweed |
| Asclepias uncialis Greene ssp. ruthiae (Maguire) Kartesz & Gandhi |
Ruth's milkweed |
| Asclepias eastwoodiana Barneby |
|
| Asclepias ruthiae Maguire |
|
| Asclepias sanjuanensis K.D. Heil, J.M. Porter & S.L. Welsh |
|
| Asclepias uncialis Greene var. ruthiae (Maguire) E. Sundell |
|
| Asparagus L. |
asparagus |
| Asparagus officinalis L. |
garden asparagus |
| Asparagus officinalis L. ssp. officinalis |
|
| Asperugo L. |
German-madwort |
| Asperugo procumbens L. |
German-madwort |
| Aspidotis (Nutt. ex Hook.) Copeland |
lacefern |
| Aspidotis densa (Brack.) Lellinger |
Indian's dream |
| Cheilanthes siliquosa Maxon |
|
| Cryptogramma densa (Brack.) Diels |
|
| Onychium densum Brack. |
|
| Pellaea densa (Brack.) Hook. |
|
| Asplenium L. |
spleenwort |
| Asplenium resiliens Kunze |
blackstem spleenwort |
| Asplenium trichomanes-ramosum L. |
brightgreen spleenwort |
| Asplenium viride Huds. |
|
| Astragalus L. |
milkvetch |
| Astragalus ackermanii Barneby |
Ackerman's milkvetch |
| Astragalus acutirostris S. Watson |
sharpkeel milkvetch |
| Astragalus aequalis Clokey |
Clokey's milkvetch |
| Astragalus agrestis Douglas ex G. Don |
purple milkvetch |
| Astragalus danicus Retz. var. dasyglottis (Fisch. ex DC.) B. Boivin |
|
| Astragalus dasyglottis Fisch. ex DC. |
|
| Astragalus goniatus Nutt. |
|
| Astragalus hypoglottis Hook. |
|
| Astragalus alpinus L. |
alpine milkvetch |
| Astragalus alpinus L. var. alpinus |
alpine milkvetch |
| Astragalus alpinus L. ssp. alaskanus Hultén |
|
| Astragalus alpinus L. ssp. arcticus Hultén |
|
| Astragalus astragalinus (Hook.) A. Löve & D. Löve |
|
| Atelophragma alpinum (L.) Rydb. |
|
| Astragalus alvordensis M.E. Jones |
Alvord milkvetch |
| Astragalus amphioxys A. Gray |
Crescent milkvetch |
| Astragalus amphioxys A. Gray var. amphioxys |
Crescent milkvetch |
| Astragalus amphioxys A. Gray var. melanocalyx (Rydb.) Tidestr. |
|
| Astragalus amphioxys A. Gray var. modestus Barneby |
Crescent milkvetch |
| Astragalus amphioxys A. Gray var. musimonum (Barneby) Barneby |
Crescent milkvetch |
| Astragalus musimonum Barneby |
|
| Astragalus amphioxys A. Gray var. vespertinus (Sheldon) M.E. Jones |
Aladdin's slippers |
| Astragalus andersonii A. Gray |
Anderson's milkvetch |
| Astragalus anserinus N.D. Atwood, Goodrich & S.L. Welsh |
Goose Creek milkvetch |
| Astragalus argophyllus Nutt. |
silverleaf milkvetch |
| Astragalus argophyllus Nutt. var. argophyllus |
silverleaf milkvetch |
| Xylophacos argophyllus (Nutt.) Rydb. |
|
| Astragalus argophyllus Nutt. var. martinii M.E. Jones |
silverleaf milkvetch |
| Astragalus argophyllus Nutt. var. pephragmenoides Barneby |
|
| Astragalus atratus S. Watson |
mourning milkvetch |
| Astragalus atratus S. Watson var. atratus |
mourning milkvetch |
| Astragalus atratus S. Watson var. mensanus M.E. Jones |
mourning milkvetch |
| Astragalus mensanus (M.E. Jones) Abrams |
|
| Astragalus atratus S. Watson var. owyheensis (A. Nelson & J.F. Macbr.) M.E. Jones |
Owyhee milkvetch |
| Astragalus owyheensis A. Nelson & J.F. Macbr. |
|
| Astragalus austiniae A. Gray ex W.H. Brewer & S. Watson |
Austin's milkvetch |
| Astragalus australis (L.) Lam. |
Indian milkvetch |
| Astragalus aboriginorum Richardson |
|
| Astragalus aboriginorum Richardson var. fastigiorum M.E. Jones |
|
| Astragalus aboriginorum Richardson var. glabriusculus (Hook.) Rydb. |
|
| Astragalus aboriginorum Richardson var. lepagei (Hultén) B. Boivin |
|
| Astragalus aboriginorum Richardson var. richardsonii (Sheldon) B. Boivin |
|
| Astragalus australis (L.) Lam. var. aboriginorum (Richardson) S.L. Welsh |
|
| Astragalus australis (L.) Lam. var. glabriusculus (Hook.) Isely |
|
| Astragalus australis (L.) Lam. var. lepagei (Hultén) S.L. Welsh |
|
| Astragalus australis (L.) Lam. var. major (A. Gray) Isely |
|
| Astragalus australis (L.) Lam. var. muriei (Rydb.) S.L. Welsh |
|
| Astragalus forwoodii S. Watson |
|
| Astragalus forwoodii S. Watson var. wallowensis (Rydb.) M. Peck |
|
| Astragalus glabriusculus (Hook.) A. Gray var. major A. Gray |
|
| Astragalus linearis (Rydb.) A.E. Porsild |
|
| Astragalus richardsonii Sheldon |
|
| Astragalus scrupulicola Fernald & Weath. |
|
| Atelophragma aboriginorum (Richardson) Rydb. |
|
| Astragalus beatleyae Barneby |
Beatley's milkvetch |
| Astragalus beckwithii Torr. & A. Gray |
Beckwith's milkvetch |
| Astragalus beckwithii Torr. & A. Gray var. beckwithii |
Beckwith's milkvetch |
| Astragalus beckwithii Torr. & A. Gray var. purpureus M.E. Jones |
Beckwith's milkvetch |
| Astragalus beckwithii Torr. & A. Gray var. weiserensis M.E. Jones |
Weiser's milkvetch |
| Astragalus weiserensis (M.E. Jones) Abrams |
|
| Astragalus bernardinus M.E. Jones |
San Bernardino milkvetch |
| Astragalus bisulcatus (Hook.) A. Gray |
twogrooved milkvetch |
| Astragalus bisulcatus (Hook.) A. Gray var. nevadensis (M.E. Jones) Barneby |
Nevada milkvetch |
| Astragalus bolanderi A. Gray |
Bolander's milkvetch |
| Astragalus callithrix Barneby |
Callaway milkvetch |
| Astragalus calycosus Torr. ex S. Watson |
Torrey's milkvetch |
| Astragalus calycosus Torr. ex S. Watson var. calycosus |
Torrey's milkvetch |
| Astragalus calycosus Torr. ex S. Watson var. mancus (Rydb.) Barneby |
|
| Astragalus calycosus Torr. ex S. Watson var. monophyllidius (Rydb.) Barneby |
Torrey's milkvetch |
| Astragalus calycosus Torr. ex S. Watson var. scaposus (A. Gray) M.E. Jones |
Torrey's milkvetch |
| Astragalus canadensis L. |
Canadian milkvetch |
| Astragalus canadensis L. var. brevidens (Gandog.) Barneby |
shorttooth Canadian milkvetch |
| Astragalus brevidens (Gandog.) Rydb. |
|
| Astragalus casei A. Gray ex W.H. Brewer & S. Watson |
Case's milkvetch |
| Astragalus ceramicus Sheldon |
painted milkvetch |
| Astragalus ceramicus Sheldon var. ceramicus |
painted milkvetch |
| Astragalus chamaemeniscus Barneby |
ground-crescent milkvetch |
| Astragalus cibarius Sheldon |
browse milkvetch |
| Astragalus cicer L. |
chickpea milkvetch |
| Astragalus cimae M.E. Jones |
cima milkvetch |
| Astragalus cimae M.E. Jones var. cimae |
cima milkvetch |
| Astragalus coccineus Brandegee |
scarlet milkvetch |
| Astragalus convallarius Greene |
lesser rushy milkvetch |
| Astragalus convallarius Greene var. convallarius |
lesser rushy milkvetch |
| Astragalus junciformis A. Nelson |
|
| Astragalus convallarius Greene var. finitimus Barneby |
lesser rushy milkvetch |
| Astragalus convallarius Greene var. margaretiae Barneby |
lesser rushy milkvetch |
| Astragalus curvicarpus (A. Heller) J.F. Macbr. |
curvepod milkvetch |
| Astragalus curvicarpus (A. Heller) J.F. Macbr. var. curvicarpus |
curvepod milkvetch |
| Astragalus didymocarpus Hook. & Arn. |
dwarf white milkvetch |
| Astragalus didymocarpus Hook. & Arn. var. didymocarpus |
dwarf white milkvetch |
| Astragalus catalinensis Nutt. |
|
| Astragalus didymocarpus Hook. & Arn. var. daleoides Barneby |
|
| Astragalus didymocarpus Hook. & Arn. var. dispermus (A. Gray) Jeps. |
dwarf white milkvetch |
| Astragalus dispermus A. Gray |
|
| Astragalus diversifolius A. Gray |
meadow milkvetch |
| Astragalus ensiformis M.E. Jones |
pagumpa milkvetch |
| Astragalus ensiformis M.E. Jones var. gracilior Barneby |
pagumpa milkvetch |
| Astragalus minthorniae (Rydb.) Jeps. var. gracilior (Barneby) Barneby |
|
| Astragalus eremiticus Sheldon |
hermit milkvetch |
| Astragalus ampullarioides (S.L. Welsh) S.L. Welsh |
|
| Astragalus eremiticus Sheldon var. ampullarioides S.L. Welsh |
|
| Astragalus eremiticus Sheldon var. malheurensis (A. Heller) Barneby |
|
| Astragalus eremiticus Sheldon var. spencianus M.E. Jones |
|
| Astragalus malheurensis A. Heller |
|
| Astragalus eurylobus (Barneby) Barneby |
Needle Mountain milkvetch |
| Astragalus tephrodes A. Gray var. eurylobus Barneby |
|
| Astragalus filipes Torr. ex A. Gray |
basalt milkvetch |
| Astragalus filipes Torr. ex A. Gray var. residuus Jeps. |
|
| Astragalus macgregorii (Rydb.) Tidestr. |
|
| Astragalus stenophyllus Torr. & A. Gray |
|
| Astragalus stenophyllus Torr. & A. Gray var. filipes (Torr. ex A. Gray) Tidestr. |
|
| Astragalus flavus Nutt. |
yellow milkvetch |
| Astragalus confertiflorus A. Gray |
|
| Astragalus confertiflorus A. Gray var. flaviflorus (Kuntze) M.E. Jones |
|
| Astragalus flavus Nutt. var. argillosus (M.E. Jones) Barneby |
|
| Astragalus flavus Nutt. var. candicans A. Gray |
|
| Astragalus flexuosus Douglas ex G. Don |
flexile milkvetch |
| Astragalus flexuosus Douglas ex G. Don var. flexuosus |
flexile milkvetch |
| Astragalus flexuosus Douglas ex G. Don var. elongatus (Hook.) M.E. Jones |
|
| Astragalus flexuosus Douglas ex G. Don var. sierrae-blancae (Rydb.) Barneby |
|
| Pisophaca flexuosa (Douglas ex Hook.) Rydb. |
|
| Astragalus funereus M.E. Jones |
Funeral Mountain milkvetch |
| Astragalus geyeri A. Gray |
Geyer's milkvetch |
| Astragalus geyeri A. Gray var. geyeri |
Geyer's milkvetch |
| Astragalus geyeri A. Gray var. triquetrus (A. Gray) M.E. Jones |
Geyer's milkvetch |
| Astragalus triquetrus A. Gray |
|
| Astragalus gibbsii Kellogg |
Gibbs' milkvetch |
| Astragalus gilmanii Tidestr. |
Gilman's milkvetch |
| Astragalus hornii A. Gray |
Horn's milkvetch |
| Astragalus hornii A. Gray var. hornii |
|
| Astragalus humistratus A. Gray |
groundcover milkvetch |
| Astragalus humistratus A. Gray var. humivagans (Rydb.) Barneby |
groundcover milkvetch |
| Astragalus inyoensis Sheldon |
Inyo milkvetch |
| Astragalus iodanthus S. Watson |
Humboldt River milkvetch |
| Astragalus iodanthus S. Watson var. diaphanoides Barneby |
snake milkvetch |
| Astragalus iodanthus S. Watson var. vipereus Barneby |
|
| Astragalus iodanthus S. Watson var. iodanthus |
Humboldt River milkvetch |
| Astragalus jejunus S. Watson |
starveling milkvetch |
| Astragalus jejunus S. Watson var. jejunus |
starveling milkvetch |
| Astragalus johannis-howellii Barneby |
Long Valley milkvetch |
| Astragalus kentrophyta A. Gray |
spiny milkvetch |
| Astragalus kentrophyta A. Gray var. danaus (Barneby) Barneby |
spiny milkvetch |
| Astragalus kentrophyta A. Gray ssp. danaus (Barneby) W.A. Weber |
|
| Astragalus kentrophyta A. Gray var. elatus S. Watson |
tall spiny milkvetch |
| Astragalus impensis (Rydb.) Woot. & Standl. |
|
| Astragalus kentrophyta A. Gray ssp. elatus (S. Watson) W.A. Weber |
|
| Astragalus kentrophyta A. Gray var. jessiae (M. Peck) Barneby |
spiny milkvetch |
| Astragalus jessiae M. Peck |
|
| Astragalus kentrophyta A. Gray ssp. jessiae (M. Peck) W.A. Weber |
|
| Astragalus kentrophyta A. Gray var. tegetarius (S. Watson) Dorn |
mat milkvetch |
| Astragalus kentrophyta A. Gray ssp. implexus (Canby ex Porter & J.M. Coult.) W.A. Weber |
|
| Astragalus kentrophyta A. Gray var. implexus (Canby ex Porter & J.M. Coult.) Barneby |
|
| Astragalus tegetarius S. Watson |
|
| Astragalus kentrophyta A. Gray var. ungulatus M.E. Jones |
spiny milkvetch |
| Astragalus kentrophyta A. Gray ssp. ungulatus (M.E. Jones) W.A. Weber |
|
| Astragalus layneae Greene |
widow's milkvetch |
| Astragalus lemmonii A. Gray |
Lemmon's milkvetch |
| Astragalus lentiginosus Douglas ex Hook. |
freckled milkvetch |
| Astragalus lentiginosus Douglas ex Hook. var. albifolius M.E. Jones |
northern freckled milkvetch |
| Astragalus albifolius (M.E. Jones) Abrams |
|
| Astragalus lentiginosus Douglas ex Hook. var. borreganus M.E. Jones |
Borrego milkvetch |
| Astragalus agninus Jeps. |
|
| Astragalus arthu-schottii A. Gray |
|
| Astragalus coulteri Benth. |
|
| Astragalus lentiginosus Douglas ex Hook. var. coulteri (Benth.) M.E. Jones |
|
| Astragalus lentiginosus Douglas ex Hook. var. chartaceus M.E. Jones |
broadleaf milkvetch |
| Astragalus lentiginosus Douglas ex Hook. var. platyphyllidius (Rydb.) M. Peck |
|
| Astragalus lentiginosus Douglas ex Hook. var. diphysus (A. Gray) M.E. Jones |
freckled milkvetch |
| Astragalus araneosus Sheldon |
|
| Astragalus diphysus A. Gray |
|
| Astragalus lentiginosus Douglas ex Hook. var. albiflorus (A. Gray) Schoener |
|
| Astragalus lentiginosus Douglas ex Hook. var. araneosus (Sheldon) Barneby |
|
| Astragalus lentiginosus Douglas ex Hook. var. mcdougallii (Sheldon) M.E. Jones |
|
| Astragalus lentiginosus Douglas ex Hook. var. wahweapensis S.L. Welsh |
|
| Astragalus lentiginosus Douglas ex Hook. var. floribundus A. Gray |
freckled milkvetch |
| Astragalus lentiginosus Douglas ex Hook. var. fremontii (A. Gray ex Torr.) S. Watson |
Fremont's milkvetch |
| Astragalus fremontii A. Gray ex Torr. |
|
| Astragalus fremontii A. Gray ex Torr. ssp. eremicus (Sheldon) Abrams |
|
| Astragalus lentiginosus Douglas ex Hook. var. kennedyi (Rydb.) Barneby |
Kennedy's milkvetch |
| Astragalus lentiginosus Douglas ex Hook. var. kernensis (Jeps.) Barneby |
Kern milkvetch |
| Astragalus lentiginosus Douglas ex Hook. var. charlestonensis (Clokey) Barneby |
|
| Astragalus lentiginosus Douglas ex Hook. var. latus (M.E. Jones) M.E. Jones |
freckled milkvetch |
| Astragalus lentiginosus Douglas ex Hook. var. lentiginosus |
freckled milkvetch |
| Astragalus lentiginosus Douglas ex Hook. var. carinatus M.E. Jones |
|
| Astragalus lentiginosus Douglas ex Hook. var. micans Barneby |
freckled milkvetch |
| Astragalus lentiginosus Douglas ex Hook. var. salinus (Howell) Barneby |
salty loco milkvetch |
| Astragalus lentiginosus Douglas ex Hook. var. macrolobus (Rydb.) Barneby |
|
| Astragalus salinus Howell |
|
| Astragalus lentiginosus Douglas ex Hook. var. scorpionis M.E. Jones |
scorpion milkvetch |
| Astragalus lentiginosus Douglas ex Hook. var. toiyabensis Barneby |
|
| Astragalus lentiginosus Douglas ex Hook. var. tremuletorum Barneby |
|
| Astragalus lentiginosus Douglas ex Hook. var. semotus Jeps. |
freckled milkvetch |
| Astragalus lentiginosus Douglas ex Hook. var. sesquimetralis (Rydb.) Barneby |
Sodaville milkvetch |
| Astragalus lentiginosus Douglas ex Hook. var. stramineus (Rydb.) Barneby |
freckled milkvetch |
| Astragalus lentiginosus Douglas ex Hook. var. variabilis Barneby |
freckled milkvetch |
| Astragalus lonchocarpus Torr. |
rushy milkvetch |
| Astragalus malacus A. Gray |
shaggy milkvetch |
| Astragalus megacarpus (Nutt.) A. Gray |
great bladdery milkvetch |
| Astragalus megacarpus (Nutt.) A. Gray var. parryi A. Gray ex S. Watson |
|
| Astragalus minthorniae (Rydb.) Jeps. |
Minthorn's milkvetch |
| Astragalus minthorniae (Rydb.) Jeps. var. minthorniae |
Minthorn's milkvetch |
| Astragalus minthorniae (Rydb.) Jeps. var. villosus Barneby |
Minthorn's milkvetch |
| Astragalus miser Douglas ex Hook. |
timber milkvetch |
| Astragalus miser Douglas ex Hook. var. oblongifolius (Rydb.) Cronquist |
timber milkvetch |
| Astragalus decumbens (Nutt. ex Torr. & A. Gray) A. Gray var. oblongifolius (Rydb.) Cronquist |
|
| Astragalus miser Douglas ex Hook. var. tenuifolius (Nutt.) Barneby |
timber milkvetch |
| Astragalus mohavensis S. Watson |
Mojave milkvetch |
| Astragalus mohavensis S. Watson var. hemigyrus (Clokey) Barneby |
Mojave milkvetch |
| Astragalus mohavensis S. Watson var. mohavensis |
Mojave milkvetch |
| Astragalus mokiacensis A. Gray |
Mokiak milkvetch |
| Astragalus lentiginosus Douglas ex Hook. var. mokiacensis (A. Gray) M.E. Jones |
|
| Astragalus mollissimus Torr. |
woolly locoweed |
| Astragalus mollissimus Torr. var. thompsoniae (S. Watson) Barneby |
woolly locoweed |
| Astragalus bigelovii A. Gray var. thompsoniae (S. Watson) M.E. Jones |
|
| Astragalus thompsoniae S. Watson |
|
| Astragalus newberryi A. Gray |
Newberry's milkvetch |
| Astragalus newberryi A. Gray var. castoreus M.E. Jones |
Newberry's milkvetch |
| Astragalus nuttallianus DC. |
smallflowered milkvetch |
| Astragalus nuttallianus DC. var. imperfectus (Rydb.) Barneby |
turkeypeas |
| Astragalus nyensis Barneby |
Nye milkvetch |
| Astragalus obscurus S. Watson |
arcane milkvetch |
| Astragalus oophorus S. Watson |
egg milkvetch |
| Astragalus oophorus S. Watson var. caulescens (M.E. Jones) M.E. Jones |
egg milkvetch |
| Astragalus oophorus S. Watson var. clokeyanus Barneby |
egg milkvetch |
| Astragalus oophorus S. Watson var. lavinii Barneby |
Lavin's milkvetch |
| Astragalus oophorus S. Watson var. lonchocalyx Barneby |
egg milkvetch |
| Astragalus oophorus S. Watson var. oophorus |
egg milkvetch |
| Astragalus phoenix Barneby |
Ash Meadows milkvetch |
| Astragalus pinonis M.E. Jones |
pinyon milkvetch |
| Astragalus pinonis M.E. Jones var. pinonis |
pinyon milkvetch |
| Astragalus piutensis Barneby & Mabberley |
Sevier milkvetch |
| Astragalus marianus (Rydb.) Barneby, non Huber |
|
| Astragalus platytropis A. Gray |
broadkeel milkvetch |
| Astragalus porrectus S. Watson |
Lahontan milkvetch |
| Astragalus praelongus Sheldon |
stinking milkvetch |
| Astragalus praelongus Sheldon var. praelongus |
stinking milkvetch |
| Astragalus pattersonii A. Gray ex Brandegee var. praelongus (Sheldon) M.E. Jones |
|
| Astragalus recedens (Greene ex Rydb.) Ced. Porter |
|
| Astragalus preussii A. Gray |
Preuss' milkvetch |
| Astragalus preussii A. Gray var. laxiflorus A. Gray |
Preuss' milkvetch |
| Astragalus crotalariae (Benth.) A. Gray var. davidsonii (Rydb.) Munz & McBurney |
|
| Astragalus preussii A. Gray var. preussii |
Preuss' milkvetch |
| Astragalus preussii A. Gray var. latus M.E. Jones |
|
| Astragalus pseudiodanthus Barneby |
Tonopah milkvetch |
| Astragalus iodanthus S. Watson var. pseudiodanthus (Barneby) Isely |
|
| Astragalus pterocarpus S. Watson |
winged milkvetch |
| Astragalus pulsiferae A. Gray |
Ames' milkvetch |
| Astragalus pulsiferae A. Gray var. pulsiferae |
Ames' milkvetch |
| Astragalus pulsiferae A. Gray var. suksdorfii (Howell) Barneby |
Suksdorf's milkvetch |
| Astragalus purshii Douglas ex Hook. |
woollypod milkvetch |
| Astragalus purshii Douglas ex Hook. var. glareosus (Douglas ex Hook.) Barneby |
woollypod milkvetch |
| Astragalus glareosus Douglas ex Hook. |
|
| Astragalus ventosus Suksd. ex Rydb. |
|
| Astragalus purshii Douglas ex Hook. var. lagopinus (Rydb.) Barneby |
woollypod milkvetch |
| Astragalus lagopinus (Rydb.) M. Peck |
|
| Astragalus purshii Douglas ex Hook. var. lectulus (S. Watson) M.E. Jones |
woollypod milkvetch |
| Astragalus jonesii Abrams |
|
| Astragalus lectulus S. Watson |
|
| Astragalus purshii Douglas ex Hook. var. pumilio Barneby |
woollypod milkvetch |
| Astragalus purshii Douglas ex Hook. var. purshii |
woollypod milkvetch |
| Astragalus incurvus (Rydb.) Abrams |
|
| Astragalus purshii Douglas ex Hook. var. interior M.E. Jones |
|
| Astragalus purshii Douglas ex Hook. var. tinctus M.E. Jones |
woollypod milkvetch |
| Astragalus candelarius Sheldon |
|
| Astragalus leucolobus S. Watson ex M.E. Jones ssp. consectus (Sheldon) Abrams |
|
| Astragalus purshii Douglas ex Hook. var. longilobus M.E. Jones |
|
| Astragalus remotus (M.E. Jones) Barneby |
Spring Mountain milkvetch |
| Astragalus robbinsii (Oakes) A. Gray |
Robbins' milkvetch |
| Astragalus robbinsii (Oakes) A. Gray var. occidentalis S. Watson |
western milkvetch |
| Astragalus occidentalis (S. Watson) M.E. Jones |
|
| Astragalus sabulonum A. Gray |
gravel milkvetch |
| Astragalus salmonis M.E. Jones |
Trout Creek milkvetch |
| Astragalus serenoi (Kuntze) Sheldon |
naked milkvetch |
| Astragalus serenoi (Kuntze) Sheldon var. serenoi |
naked milkvetch |
| Astragalus serenoi (Kuntze) Sheldon var. shockleyi (M.E. Jones) Barneby |
Shockley's milkvetch |
| Astragalus shockleyi M.E. Jones |
|
| Astragalus serenoi (Kuntze) Sheldon var. sordescens Barneby |
naked milkvetch |
| Astragalus solitarius M. Peck |
solitary milkvetch |
| Astragalus straturensis M.E. Jones |
Pine Valley milkvetch |
| Astragalus subcinereus A. Gray |
Silver's milkvetch |
| Astragalus silerianus M.E. Jones |
|
| Astragalus silerianus M.E. Jones var. cariacus M.E. Jones |
|
| Astragalus subcinereus A. Gray var. basalticus S.L. Welsh |
|
| Astragalus subcinereus A. Gray var. silerianus (M.E. Jones) S.L. Welsh |
|
| Astragalus tenellus Pursh |
looseflower milkvetch |
| Astragalus tenellus Pursh var. strigulosus (Rydb.) F.J. Herm. |
|
| Homalobus tenellus (Pursh) Britton |
|
| Astragalus tephrodes A. Gray |
ashen milkvetch |
| Astragalus tephrodes A. Gray var. brachylobus (A. Gray) Barneby |
ashen milkvetch |
| Astragalus arrectus A. Gray var. pephragmenus (M.E. Jones) M.E. Jones |
|
| Astragalus tephrodes A. Gray var. chloridae (M.E. Jones) Barneby |
ashen milkvetch |
| Astragalus tetrapterus A. Gray |
fourwing milkvetch |
| Astragalus cinerascens (Rydb.) Tidestr. |
|
| Astragalus tetrapterus A. Gray var. capricornus M.E. Jones |
|
| Astragalus tetrapterus A. Gray var. cinerascens (Rydb.) Barneby |
|
| Astragalus tidestromii (Rydb.) Clokey |
Tidestrom's milkvetch |
| Astragalus tiehmii Barneby |
Tiehm's milkvetch |
| Astragalus toanus M.E. Jones |
Toano milkvetch |
| Astragalus toanus M.E. Jones var. toanus |
Toano milkvetch |
| Astragalus toquimanus Barneby |
Toquima milkvetch |
| Astragalus uncialis Barneby |
currant milkvetch |
| Astragalus utahensis (Torr.) Torr. & A. Gray |
Utah milkvetch |
| Astragalus whitneyi A. Gray |
balloonpod milkvetch |
| Astragalus whitneyi A. Gray var. confusus Barneby |
cone-like milkvetch |
| Astragalus whitneyi A. Gray var. lenophyllus (Rydb.) Barneby |
balloonpod milkvetch |
| Astragalus whitneyi A. Gray var. whitneyi |
balloonpod milkvetch |
| Astragalus whitneyi A. Gray ssp. pinosus (Elmer) Abrams |
|
| Astragalus yoder-williamsii Barneby |
Osgood Mountain milkvetch |
| Astrolepis Benham & Windham |
cloakfern |
| Astrolepis integerrima (Hook.) Benham & Windham |
hybrid cloakfern |
| Cheilanthes integerrima (Hook.) Mickel |
|
| Notholaena integerrima (Hook.) Hevly |
|
| Notholaena sinuata (Lag. ex Sw.) Kaulf. var. integerrima Hook. |
|
| Athyrium Roth |
ladyfern |
| Athyrium americanum (Butters) Maxon |
alpine ladyfern |
| Athyrium alpestre (Hoppe) Milde |
|
| Athyrium alpestre (Hoppe) Milde ssp. americanum (Butters) Lellinger |
|
| Athyrium alpestre (Hoppe) Milde var. americanum Butters |
|
| Athyrium alpestre (Hoppe) Milde var. gaspense Fernald |
|
| Athyrium distentifolium Tausch ex Opiz ssp. americanum (Butters) Hultén |
|
| Athyrium distentifolium Tausch ex Opiz var. americanum (Butters) B. Boivin |
|
| Athyrium filix-femina (L.) Roth |
common ladyfern |
| Athyrium filix-femina (L.) Roth ssp. cyclosorum (Rupr.) C. Chr. |
subarctic ladyfern |
| Athyrium alpestre (Hoppe) Milde var. cyclosorum (Rupr.) T. Moore |
|
| Athyrium angustum (Willd.) C. Presl var. boreale Jennings |
|
| Athyrium angustum (Willd.) C. Presl var. elatius (Link) Butters |
|
| Athyrium filix-femina (L.) Roth var. californicum Butters |
|
| Athyrium filix-femina (L.) Roth var. cyclosorum (Rupr.) Ledeb. |
|
| Athyrium filix-femina (L.) Roth var. sitchense (Rupr.) Ledeb. |
|
| Athysanus Greene |
sandweed |
| Athysanus pusillus (Hook.) Greene |
common sandweed |
| Athysanus pusillus (Hook.) Greene var. glabrior S. Watson |
|
| Thysanocarpus pusillus Hook. |
|
| Atrichoseris A. Gray |
atrichoseris |
| Atrichoseris platyphylla (A. Gray) A. Gray |
parachute plant |
| Malacothrix platyphylla A. Gray |
|
| Atriplex L. |
saltbush |
| Atriplex argentea Nutt. |
silverscale saltbush |
| Atriplex argentea Nutt. ssp. argentea |
silverscale saltbush |
| Atriplex argentea Nutt. ssp. argentea var. argentea |
silverscale saltbush |
| Atriplex argentea Nutt. ssp. typica H.M. Hall & Clem. |
|
| Atriplex argentea Nutt. ssp. argentea var. caput-medusae (Eastw.) Fosberg |
stalked saltbush |
| Atriplex saccaria S. Watson var. caput-medusae (Eastw.) S.L. Welsh |
|
| Atriplex argentea Nutt. ssp. expansa (S. Watson) H.M. Hall & Clem. |
silverscale saltbush |
| Atriplex argentea Nutt. var. mohavensis M.E. Jones |
|
| Atriplex expansa S. Watson |
|
| Atriplex expansa S. Watson var. mohavensis M.E. Jones |
|
| Atriplex bonnevillensis C.A. Hanson |
Bonneville saltbush |
| Atriplex gardneri (Moq.) D. Dietr. var. bonnevillensis (C.A. Hanson) S.L. Welsh |
|
| Atriplex canescens (Pursh) Nutt. |
fourwing saltbush |
| Atriplex canescens (Pursh) Nutt. var. canescens |
fourwing saltbush |
| Atriplex canescens (Pursh) Nutt. ssp. canescens |
|
| Atriplex canescens (Pursh) Nutt. var. occidentalis (Torr. & Frém.) S.L. Welsh & Stutz |
|
| Atriplex tetraptera (Benth.) Rydb. |
|
| Atriplex confertifolia (Torr. & Frém.) S. Watson |
shadscale saltbush |
| Atriplex collina Woot. & Standl. |
|
| Atriplex jonesii Standl. |
|
| Atriplex subconferta Rydb. |
|
| Atriplex elegans (Moq.) D. Dietr. |
wheelscale saltbush |
| Atriplex elegans (Moq.) D. Dietr. var. fasciculata (S. Watson) M.E. Jones |
wheelscale saltbush |
| Atriplex elegans (Moq.) D. Dietr. ssp. fasciculata (S. Watson) H.M. Hall & Clem. |
|
| Atriplex fasciculata S. Watson |
|
| Atriplex falcata (M.E. Jones) Standl. |
sickle saltbush |
| Atriplex gardneri (Moq.) D. Dietr. var. falcata (M.E. Jones) S.L. Welsh |
|
| Atriplex nuttallii auct. non S. Watson p.p. |
|
| Atriplex nuttallii S. Watson ssp. falcata (M.E. Jones) H.M. Hall & Clem. |
|
| Atriplex nuttallii S. Watson var. falcata M.E. Jones |
|
| Atriplex hillmanii (M.E. Jones) Standl. |
Hillman's silverscale |
| Atriplex argentea Nutt. var. hillmanii M.E. Jones |
|
| Atriplex hortensis L. |
garden orache |
| Atriplex acuminata Waldst. & Kit. |
|
| Atriplex hortensis L. ssp. nitens (Schkuhr) E. Pons |
|
| Atriplex hortensis L. var. atrosanguinea hort. |
|
| Atriplex hortensis L. var. rubra L. |
|
| Atriplex nitens Schkuhr, nom. illeg. |
|
| Atriplex hymenelytra (Torr.) S. Watson |
desertholly |
| Atriplex lentiformis (Torr.) S. Watson |
big saltbush |
| Atriplex lentiformis (Torr.) S. Watson ssp. lentiformis |
big saltbush |
| Atriplex longitrichoma Stutz, G.L. Chu & S.C. Sand. |
long-hair silverscale |
| Atriplex argentea Nutt. var. longitrichoma (Stutz, G.L. Chu & S.C. Sand.) S.L. Welsh |
|
| Atriplex micrantha Ledeb. |
twoscale saltbush |
| Atriplex heterosperma Bunge |
|
| Atriplex nuttallii S. Watson |
Nuttall's saltbush |
| Atriplex parryi S. Watson |
Parry's saltbush |
| Atriplex patula L. |
spear saltbush |
| Atriplex patula L. var. bracteata auct. non Westerlund |
|
| Atriplex patula L. var. erecta (Huds.) Lange |
|
| Atriplex patula L. var. japonica Level. |
|
| Atriplex patula L. var. patula |
|
| Atriplex phyllostegia (Torr. ex S. Watson) S. Watson |
leafcover saltweed |
| Atriplex phyllostegia (Torr. ex S. Watson) S. Watson var. draconis (M.E. Jones) Fosberg |
|
| Atriplex polycarpa (Torr.) S. Watson |
cattle saltbush |
| Atriplex prostrata Bouchér ex DC. |
triangle orache |
| Atriplex hastata sensu Aellen, non L. |
|
| Atriplex latifolia Wahlenb. |
|
| Atriplex patula L. ssp. hastata sensu H.M. Hall & Clem. 1923, non (L.) H.M. Hall & Clem. |
|
| Atriplex patula L. var. hastata auct. non (L.) A. Gray |
|
| Atriplex patula L. var. triangularis (Willd.) Thorne & S.L. Welsh |
|
| Atriplex prostrata Bouchér ex DC. var. triangularis (Willd.) Rauschert |
|
| Atriplex triangularis Willd. |
|
| Atriplex pusilla (Torr. ex S. Watson) S. Watson |
smooth saltbush |
| Atriplex rosea L. |
tumbling saltweed |
| Atriplex saccaria S. Watson |
sack saltbush |
| Atriplex saccaria S. Watson var. cornuta (M.E. Jones) S.L. Welsh, nom. inq. |
|
| Atriplex semibaccata R. Br. |
Australian saltbush |
| Atriplex serenana A. Nelson |
bractscale |
| Atriplex serenana A. Nelson var. serenana |
bractscale |
| Atriplex subspicata (Nutt.) Rydb. |
saline saltbush |
| Atriplex patula L. ssp. hastata sensu H.M. Hall & Clem. p.p. |
|
| Atriplex patula L. ssp. subspicata (Nutt.) Fosberg |
|
| Atriplex patula L. var. subspicata (Nutt.) S. Watson |
|
| Atriplex torreyi (S. Watson) S. Watson |
Torrey's saltbush |
| Atriplex lentiformis (Torr.) S. Watson ssp. torreyi (S. Watson) H.M. Hall & Clem. |
|
| Atriplex lentiformis (Torr.) S. Watson var. torreyi (S. Watson) McMinn |
|
| Atriplex tridentata Kuntze |
basin saltbush |
| Atriplex gardneri (Moq.) D. Dietr. var. tridentata (Kuntze) S.L. Welsh |
|
| Atriplex gardneri (Moq.) D. Dietr. var. utahensis (M.E. Jones) Dorn |
|
| Atriplex nuttallii auct. non S. Watson p.p. |
|
| Atriplex nuttallii S. Watson ssp. tridentata (Kuntze) H.M. Hall & Clem. |
|
| Atriplex truncata (Torr. ex S. Watson) A. Gray |
wedgescale saltbush |
| Avena L. |
oat |
| Avena barbata Pott ex Link |
slender oat |
| Avena hirsuta Moench |
|
| Avena fatua L. |
wild oat |
| Avena fatua L. var. glabrata Peterm. |
|
| Avena fatua L. var. vilis (Wallr.) Hausskn. |
|
| Avena sativa L. |
common oat |
| Avena byzantina K. Koch |
|
| Avena fatua L. var. sativa (L.) Hausskn. |
|
| Avena sativa L. var. orientalis (Schreb.) Alef. |
|
| Azolla Lam. |
mosquitofern |
| Azolla mexicana Schltdl. & Cham. ex C. Presl |
Mexican mosquitofern |
