| Id |
Symbol |
Scientific |
Common |
Family |
| 6811 |
ARBI10 |
Arthopyrenia bifera Zahlbr. |
Arthopyrenia malaccitula |
Arthopyreniaceae |
| 4050 |
ARBI11 |
Arthopyrenia biformis (Borrer) A. Massal. |
Anisomeridium biforme |
Monoblastiaceae |
| 5269 |
ARBI12 |
Araucaria bidwillii Hook. |
bunya bunya |
Araucariaceae |
| 6436 |
ARBI2 |
Artemisia biennis Willd. |
biennial wormwood |
Asteraceae |
| 6439 |
ARBI3 |
Artemisia bigelovii Gray |
Bigelow sage |
Asteraceae |
| 6118 |
ARBI4 |
Aristolochia bilabiata L. |
West Indian dutchman's pipe |
Aristolochiaceae |
| 6121 |
ARBI5 |
Aristolochia bilobata L. |
twolobe dutchman's pipe |
Aristolochiaceae |
| 5262 |
ARBI6 |
Aralia bicrenata Woot. & Standl. |
Aralia racemosa ssp. bicrenata |
Araliaceae |
| 89171 |
ARBI7 |
Arctostaphylos bicolor (Nutt.) Gray |
Xylococcus bicolor |
Ericaceae |
| 5800 |
ARBI8 |
Argemone bipinnatifida Greene |
Argemone hispida |
Papaveraceae |
| 6681 |
ARBI9 |
Arthonia bisepta Degel. |
dot lichen |
Arthoniaceae |
| 6437 |
ARBIB |
Artemisia biennis Willd. var. biennis |
biennial wormwood |
Asteraceae |
| 6438 |
ARBID |
Artemisia biennis Willd. var. diffusa Dorn |
biennial wormwood |
Asteraceae |
| 4908 |
ARBL |
Arabis blepharophylla Hook. & Arn. |
rose rockcress |
Brassicaceae |
| 5942 |
ARBL2 |
Argythamnia blodgettii (Torr.) Chapman |
Blodgett's silverbush |
Euphorbiaceae |
| 5288 |
ARBL3 |
Arceuthobium blumeri A. Nels. |
southwestern white pine dwarf mistletoe |
Viscaceae |
| 44241 |
ARBL4 |
Arctoa blyttii (Schimp.) Loeske |
Kiaeria blyttii |
Dicranaceae |
| 5072 |
ARBLM |
Arabis blepharophylla Hook. & Arn. var. macdonaldiana (Eastw.) Jepson |
Arabis macdonaldiana |
Brassicaceae |
| 4909 |
ARBO |
Arabis bodiensis Rollins |
Bodie Hills rockcress |
Brassicaceae |
| 5003 |
ARBO2 |
Arabis bourgovii Rydb. |
Arabis holboellii var. collinsii |
Brassicaceae |
| 5490 |
ARBO3 |
Arctostaphylos bowermaniae J.B. Roof |
Arctostaphylos manzanita ssp. manzanita |
Ericaceae |
| 6444 |
ARBO4 |
Artemisia borealis Pallas |
Artemisia campestris ssp. borealis var. borealis |
Asteraceae |
| 6479 |
ARBO5 |
Artemisia bolanderi Gray |
Artemisia cana ssp. bolanderi |
Asteraceae |
| 4910 |
ARBO7 |
Arabis boivinii G. Mulligan |
Boivin's rockcress |
Brassicaceae |
| 5402 |
ARBO9 |
Arctostaphylos bolensis P.V. Wells [excluded] |
|
Ericaceae |
| 6446 |
ARBOL |
Artemisia borealis Pallas var. latisecta Fern. |
Artemisia campestris ssp. borealis var. borealis |
Asteraceae |
| 6445 |
ARBOP |
Artemisia borealis Pallas ssp. purshii (Hook.) Hult |
Artemisia campestris ssp. borealis var. borealis |
Asteraceae |
| 6447 |
ARBOP2 |
Artemisia borealis Pallas var. purshii Hook. |
Artemisia campestris ssp. borealis var. borealis |
Asteraceae |
| 4911 |
ARBR |
Arabis breweri S. Wats. |
Brewer's rockcress |
Brassicaceae |
| 6091 |
ARBR10 |
Aristida brownii Warnock |
Aristida purpurea var. wrightii |
Poaceae |
| 5944 |
ARBR3 |
Argythamnia brandegeei Millsp. |
Sonoran silverbush |
Euphorbiaceae |
| 54255 |
ARBR4 |
Arenaria brevifolia Nutt. ex Torr. & Gray |
Minuartia uniflora |
Caryophyllaceae |
| 5414 |
ARBR5 |
Arctostaphylos bracteata T.J. Howell |
Arctostaphylos cinerea |
Ericaceae |
| 5575 |
ARBR6 |
Arctostaphylos bracteosa (DC.) Abrams |
Arctostaphylos tomentosa ssp. bracteosa |
Ericaceae |
| 4945 |
ARBR7 |
Arabis brachycarpa (Torr. & Gray) Britt. |
Arabis drummondii |
Brassicaceae |
| 5094 |
ARBR8 |
Arabis bridgeri M.E. Jones |
Arabis nuttallii |
Brassicaceae |
| 6127 |
ARBR9 |
Aristolochia brevipes auct. non Benth. [misapplied] |
Aristolochia coryi |
Aristolochiaceae |
| 4912 |
ARBRA |
Arabis breweri S. Wats. var. austiniae (Greene) Rollins |
Brewer's rockcress |
Brassicaceae |
| 6128 |
ARBRA2 |
Aristolochia brevipes Benth. var. acuminata S. Wats. |
Aristolochia coryi |
Aristolochiaceae |
| 4913 |
ARBRB |
Arabis breweri S. Wats. var. breweri |
Brewer's rockcress |
Brassicaceae |
| 5945 |
ARBRB3 |
Argythamnia brandegei Millsp. var. brandegei Millsp. [superfluous autonym; orthographic variant] |
Argythamnia brandegeei |
Euphorbiaceae |
| 5576 |
ARBRH |
Arctostaphylos bracteosa (DC.) Abrams var. hebeclada (DC.) Eastw. |
Arctostaphylos tomentosa ssp. bracteosa |
Ericaceae |
| 5947 |
ARBRI |
Argythamnia brandegeei Millsp. var. intonsa (I.M. Johnston) Ingram ex L.C. Wheeler |
Sonoran silverbush |
Euphorbiaceae |
| 4914 |
ARBRP |
Arabis breweri S. Wats. var. pecuniaria Rollins |
Brewer's rockcress |
Brassicaceae |
| 5779 |
ARBU |
Arethusa bulbosa L. |
dragon's mouth |
Orchidaceae |
| 5046 |
ARBU2 |
Arabis burkii (Porter) Small |
Arabis laevigata var. burkii |
Brassicaceae |
| 14206 |
ARBU3 |
Arabis bulbosa Schreb. ex Muhl. |
Cardamine bulbosa |
Brassicaceae |
| 5681 |
ARBU4 |
Arenaria burkei T.J. Howell |
Arenaria congesta var. subcongesta |
Caryophyllaceae |
| 5229 |
ARBU5 |
Arachis burkartii Handro |
|
Fabaceae |
| 5277 |
ARBUT |
Arbutus L. |
madrone |
Ericaceae |
| 6682 |
ARBY |
Arthonia byssacea (Weigel) Almq. |
dot lichen |
Arthoniaceae |
| 4916 |
ARCA |
Arabis canadensis L. |
sicklepod |
Brassicaceae |
| 6122 |
ARCA10 |
Aristolochia californica Torr. |
California dutchman's pipe |
Aristolochiaceae |
| 6440 |
ARCA11 |
Artemisia californica Less. |
coastal sagebrush |
Asteraceae |
| 6441 |
ARCA12 |
Artemisia campestris L. |
field sagewort |
Asteraceae |
| 6477 |
ARCA13 |
Artemisia cana Pursh |
silver sagebrush |
Asteraceae |
| 6490 |
ARCA14 |
Artemisia carruthii Wood ex Carruth. |
Carruth's sagewort |
Asteraceae |
| 5247 |
ARCA15 |
Arachniodes carvifolia auct. non (Kunze) Ching [misapplied] |
Arachniodes insularis |
Dryopteridaceae |
| 6871 |
ARCA16 |
Arthrostylidium capillifolium Griseb. |
Arthrostylidium farctum |
Poaceae |
| 5289 |
ARCA17 |
Arceuthobium californicum Hawksworth & Wiens |
sugar pine dwarf mistletoe |
Viscaceae |
| 4906 |
ARCA18 |
Arabis caucasica Willd. |
Arabis alpina |
Brassicaceae |
| 5949 |
ARCA19 |
Argythamnia californica Brandeg. |
California silverbush |
Euphorbiaceae |
| 5251 |
ARCA2 |
Aralia californica S. Wats. |
California spikenard |
Araliaceae |
| 5952 |
ARCA20 |
Argythamnia candicans Sw. |
sharpleaf silverbush |
Euphorbiaceae |
| 5412 |
ARCA21 |
Arctostaphylos catalinae P.V. Wells |
Santa Catalina Island manzanita |
Ericaceae |
| 5920 |
ARCA22 |
Argyroxiphium caliginis Forbes |
eke silversword |
Asteraceae |
| 6451 |
ARCA23 |
Artemisia canadensis Michx. |
Artemisia campestris ssp. borealis var. borealis |
Asteraceae |
| 6471 |
ARCA24 |
Artemisia caudata Michx. |
Artemisia campestris ssp. caudata |
Asteraceae |
| 6328 |
ARCA25 |
Arnica cascadensis St. John |
Arnica rydbergii |
Asteraceae |
| 5017 |
ARCA26 |
Arabis caduca A. Nels. |
Arabis holboellii var. retrofracta |
Brassicaceae |
| 5407 |
ARCA27 |
Arctostaphylos candidissima Eastw. |
Arctostaphylos canescens ssp. canescens |
Ericaceae |
| 6543 |
ARCA28 |
Artemisia candicans Rydb. |
Artemisia ludoviciana ssp. candicans |
Asteraceae |
| 54108 |
ARCA29 |
Arenaria californica (Gray) Brewer |
Minuartia californica |
Caryophyllaceae |
| 5290 |
ARCA3 |
Arceuthobium campylopodum Engelm. |
western dwarf mistletoe |
Viscaceae |
| 6461 |
ARCA30 |
Artemisia camporum Rydb. |
Artemisia campestris ssp. borealis var. scouleriana |
Asteraceae |
| 54110 |
ARCA31 |
Arenaria caroliniana Walt. |
Minuartia caroliniana |
Caryophyllaceae |
| 5205 |
ARCA32 |
Arabis campyloloba Greene |
Arabis sparsiflora var. subvillosa |
Brassicaceae |
| 5403 |
ARCA33 |
Arctostaphylos campbelliae Eastw. (pro sp.) [glauca tomentosa] |
|
Ericaceae |
| 6842 |
ARCA34 |
Arthraxon castratus (Griffiths) Naray. ex Bor |
castrate carpgrass |
Poaceae |
| 6683 |
ARCA35 |
Arthonia caesia (Flotow) Korber |
dot lichen |
Arthoniaceae |
| 6685 |
ARCA36 |
Arthonia caribaea (Ach.) A. Massal. |
Caribbean dot lichen |
Arthoniaceae |
| 6686 |
ARCA37 |
Arthonia carneorufa Willey |
dot lichen |
Arthoniaceae |
| 6687 |
ARCA38 |
Arthonia caudata Willey |
dot lichen |
Arthoniaceae |
| 4056 |
ARCA39 |
Arthopyrenia carthiniaca J. Steiner |
Anisomeridium carthiniacum |
Monoblastiaceae |
| 5359 |
ARCA4 |
Arctomecon californica Torr. & Frm. |
California bearpoppy |
Papaveraceae |
| 1139 |
ARCA40 |
Arthopyrenia cavata (Ach.) R. C. Harris |
Acrocordia cavata |
Monoblastiaceae |
| 5643 |
ARCA41 |
Areca catechu L. |
betel palm |
Arecaceae |
| 5644 |
ARCA42 |
Areca cathecu L. |
Areca catechu |
Arecaceae |
| 6617 |
ARCA43 |
Artemisia canariensis (Besser) Less. |
Artemisia thuscula |
Asteraceae |
| 6493 |
ARCA44 |
Artemisia caucasica Willd. |
|
Asteraceae |
| 5621 |
ARCA45 |
Arctotheca calendula (L.) Levyns |
Capeweed |
Asteraceae |
| 4915 |
ARCA48 |
Arabis calderi G. Mulligan |
Calder's rockcress |
Brassicaceae |
| 6168 |
ARCA49 |
Armeria caespitosa (Ortega) Boiss. |
|
Plumbaginaceae |
| 5405 |
ARCA5 |
Arctostaphylos canescens Eastw. |
hoary manzanita |
Ericaceae |
| 5656 |
ARCA7 |
Arenaria capillaris Poir. |
slender mountain sandwort |
Caryophyllaceae |
| 6016 |
ARCA9 |
Aristida californica Thurb. ex S. Wats. |
California threeawn |
Poaceae |
| 5657 |
ARCAA |
Arenaria capillaris Poir. ssp. americana Maguire |
fescue sandwort |
Caryophyllaceae |
| 5658 |
ARCAA2 |
Arenaria capillaris Poir. var. americana (Maguire) R.J. Davis |
Arenaria capillaris ssp. americana |
Caryophyllaceae |
| 6442 |
ARCAB2 |
Artemisia campestris L. ssp. borealis (Pallas) Hall & Clements |
field sagewort |
Asteraceae |
| 6478 |
ARCAB3 |
Artemisia cana Pursh ssp. bolanderi (Gray) G.H. Ward |
silver sagebrush |
Asteraceae |
