| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| AQFOH | Aquilegia formosa Fisch. ex DC. var. hypolasia (Greene) Munz | Aquilegia formosa | Ranunculaceae
|
| AQFOM | Aquilegia formosa Fisch. ex DC. var. megalantha Boivin | Aquilegia formosa | Ranunculaceae
|
| AQFOP | Aquilegia formosa Fisch. ex DC. var. pauciflora (Greene) Boothman | Aquilegia formosa | Ranunculaceae
|
| AQFOT | Aquilegia formosa Fisch. ex DC. var. truncata (Fisch. & C.A. Mey.) Baker | Aquilegia formosa | Ranunculaceae
|
| AQFOW | Aquilegia formosa Fisch. ex DC. var. wawawensis (Payson) St. John | Aquilegia formosa | Ranunculaceae
|
| AQFO | Aquilegia formosa Fisch. ex DC. | western columbine | Ranunculaceae
|
| AQGR | Aquilegia grahamii Welsh & Goodrich | Grahm's columbine | Ranunculaceae
|
| AQHI | Aquilegia hinckleyana Munz | Aquilegia chrysantha var. hinckleyana | Ranunculaceae
|
| AQJOE | Aquilegia jonesii Parry var. elatior (Standl.) Boothman | blue limestone columbine | Ranunculaceae
|
| AQJOJ | Aquilegia jonesii Parry var. jonesii | Jones' columbine | Ranunculaceae
|
| AQJO | Aquilegia jonesii Parry | Jones' columbine | Ranunculaceae
|
| AQLA | Aquilegia laramiensis A. Nels. | Laramie columbine | Ranunculaceae
|
| AQLO | Aquilegia longissima Gray | longspur columbine | Ranunculaceae
|
| AQMIM | Aquilegia micrantha Eastw. var. mancosana Eastw. | Mancos columbine | Ranunculaceae
|
| AQMIM2 | Aquilegia micrantha Eastw. var. micrantha | Mancos columbine | Ranunculaceae
|
| AQMI | Aquilegia micrantha Eastw. | Mancos columbine | Ranunculaceae
|
| AQMO | Aquilegia mohavensis Munz | Aquilegia formosa | Ranunculaceae
|
| AQPH2 | Aquilegia phoenicantha Cory | Aquilegia canadensis | Ranunculaceae
|
| AQPU | Aquilegia pubescens Coville | Sierra columbine | Ranunculaceae
|
| AQRU | Aquilegia rubicunda Tidestrom | Aquilegia flavescens var. rubicunda | Ranunculaceae
|
| AQSA | Aquilegia saximontana Rydb. | Rocky Mountain blue columbine | Ranunculaceae
|
| AQSCC | Aquilegia scopulorum Tidestrom var. calcarea (M.E. Jones) Munz | Utah columbine | Ranunculaceae
|
| AQSCS | Aquilegia scopulorum Tidestrom var. scopulorum | Utah columbine | Ranunculaceae
|
| AQSC | Aquilegia scopulorum Tidestrom | Utah columbine | Ranunculaceae
|
| AQSH | Aquilegia shockleyi Eastw. | Aquilegia formosa | Ranunculaceae
|
| AQTR | Aquilegia triternata Payson | Chiricahua Mountain columbine | Ranunculaceae
|
| AQVU | Aquilegia vulgaris L. | European columbine | Ranunculaceae
|
| AQUIL | Aquilegia L. | columbine | Ranunculaceae
|
| ARGL13 | Arabidopsis glauca (Nutt.) Rydb. | Arabidopsis salsuginea | Brassicaceae
|
| ARNO5 | Arabidopsis novae-angliae (Rydb.) Britt. | Braya humilis | Brassicaceae
|
| ARRI5 | Arabidopsis richardsonii Rydb. | Braya humilis | Brassicaceae
|
| ARSA | Arabidopsis salsuginea (Pallas) N. Busch | saltwater cress | Brassicaceae
|
| ARTH | Arabidopsis thaliana (L.) Heynh. | mouseear cress | Brassicaceae
|
| ARABI | Arabidopsis Heynh. | rockcress | Brassicaceae
|
| ARAC4 | Arabis aculeolata Greene | Waldo rockcress | Brassicaceae
|
| ARAC6 | Arabis acutina Greene | Arabis divaricarpa | Brassicaceae
|
| ARAL15 | Arabis albida Stev. | Arabis caucasica | Brassicaceae
|
| ARALA3 | Arabis alpina L. var. albida (Stev.) Paoletti | Arabis caucasica | Brassicaceae
|
| ARALG | Arabis alpina L. var. glabrata Blytt | Arabis alpina | Brassicaceae
|
| ARAL8 | Arabis alpina L. | alpine rockcress | Brassicaceae
|
| ARAN10 | Arabis angulata Greene | Arabis perennans | Brassicaceae
|
| ARAR17 | Arabis arcoidea A. Nels. | Arabis sparsiflora var. sparsiflora | Brassicaceae
|
| ARARP2 | Arabis arcuata (Nutt.) Gray var. perennans (S. Wats.) M.E. Jones | Arabis perennans | Brassicaceae
|
| ARARR | Arabis arcuata (Nutt.) Gray var. rubicundula Jepson | Arabis sparsiflora var. arcuata | Brassicaceae
|
| ARARS2 | Arabis arcuata (Nutt.) Gray var. secunda (T.J. Howell) Robertson | Arabis holboellii var. retrofracta | Brassicaceae
|
| ARARS3 | Arabis arcuata (Nutt.) Gray var. subvillosa S. Wats. | Arabis sparsiflora var. subvillosa | Brassicaceae
|
| ARAR15 | Arabis arcuata (Nutt.) Gray | Arabis sparsiflora var. arcuata | Brassicaceae
|
| ARARP | Arabis arenicola (Richards. ex Hook.) Gelert var. pubescens auct. non (S. Wats.) Gelert | Arabis media | Brassicaceae
|
| ARAT2 | Arabis atriflora Suksdorf | Arabis sparsiflora var. atrorubens | Brassicaceae
|
| ARAT3 | Arabis atrorubens Suksdorf ex Greene | Arabis sparsiflora var. atrorubens | Brassicaceae
|
| ARBE2 | Arabis beckwithii S. Wats. | Beckwith's rockcress | Brassicaceae
|
| ARBLM | Arabis blepharophylla Hook. & Arn. var. macdonaldiana (Eastw.) Jepson | Arabis macdonaldiana | Brassicaceae
|
| ARBL | Arabis blepharophylla Hook. & Arn. | rose rockcress | Brassicaceae
|
| ARBO | Arabis bodiensis Rollins | Bodie Hills rockcress | Brassicaceae
|
| ARBO7 | Arabis boivinii G. Mulligan | Boivin's rockcress | Brassicaceae
|
| ARBO2 | Arabis bourgovii Rydb. | Arabis holboellii var. collinsii | Brassicaceae
|
| ARBR7 | Arabis brachycarpa (Torr. & Gray) Britt. | Arabis drummondii | Brassicaceae
|
| ARBRA | Arabis breweri S. Wats. var. austiniae (Greene) Rollins | Brewer's rockcress | Brassicaceae
|
| ARBRB | Arabis breweri S. Wats. var. breweri | Brewer's rockcress | Brassicaceae
|
| ARBRP | Arabis breweri S. Wats. var. pecuniaria Rollins | Brewer's rockcress | Brassicaceae
|
| ARBR | Arabis breweri S. Wats. | Brewer's rockcress | Brassicaceae
|
| ARBR8 | Arabis bridgeri M.E. Jones | Arabis nuttallii | Brassicaceae
|
| ARBU3 | Arabis bulbosa Schreb. ex Muhl. | Cardamine bulbosa | Brassicaceae
|
| ARBU2 | Arabis burkii (Porter) Small | Arabis laevigata var. burkii | Brassicaceae
|
| ARCA26 | Arabis caduca A. Nels. | Arabis holboellii var. retrofracta | Brassicaceae
|
| ARCA48 | Arabis calderi G. Mulligan | Calder's rockcress | Brassicaceae
|
| ARCA32 | Arabis campyloloba Greene | Arabis sparsiflora var. subvillosa | Brassicaceae
|
| ARCA | Arabis canadensis L. | sicklepod | Brassicaceae
|
| ARCA18 | Arabis caucasica Willd. | gray rockcress | Brassicaceae
|
| ARCO | Arabis cobrensis M.E. Jones | sagebrush rockcress | Brassicaceae
|
| ARCO39 | Arabis codyi G. Mulligan | Cody's rockcress | Brassicaceae
|
| ARCO17 | Arabis collinsii Fern. | Arabis holboellii var. collinsii | Brassicaceae
|
| ARCO15 | Arabis columbiana Macoun | Arabis sparsiflora var. columbiana | Brassicaceae
|
| ARCO26 | Arabis conferta Greene | Arabis platysperma var. howellii | Brassicaceae
|
| ARCOI | Arabis confinis S. Wats. var. interposita (Greene) Welsh & Reveal | Arabis divaricarpa | Brassicaceae
|
| ARCO24 | Arabis confinis S. Wats. | Arabis drummondii | Brassicaceae
|
| ARCO18 | Arabis connexa Greene | Arabis drummondii | Brassicaceae
|
| ARCO25 | Arabis consanguinea Greene | Arabis holboellii var. retrofracta | Brassicaceae
|
| ARCO12 | Arabis constancei Rollins | Constance's rockcress | Brassicaceae
|
| ARCO19 | Arabis covillei Greene | Arabis platysperma var. howellii | Brassicaceae
|
| ARCR5 | Arabis crandallii B.L. Robins. | Crandall's rockcress | Brassicaceae
|
| ARCR | Arabis crucisetosa Constance & Rollins | wetsoil rockcress | Brassicaceae
|
| ARCU | Arabis cusickii S. Wats. | Cusick's rockcress | Brassicaceae
|
| ARDA2 | Arabis dacotica Greene | Arabis holboellii var. collinsii | Brassicaceae
|
| ARDAD | Arabis davidsonii Greene var. davidsonii | Davidson's rockcress | Brassicaceae
|
| ARDAP | Arabis davidsonii Greene var. parva Rollins | Davidson's rockcress | Brassicaceae
|
| ARDA | Arabis davidsonii Greene | Davidson's rockcress | Brassicaceae
|
| ARDED | Arabis demissa Greene var. demissa | nodding rockcress | Brassicaceae
|
| ARDEL | Arabis demissa Greene var. languida Rollins | nodding rockcress | Brassicaceae
|
| ARDER | Arabis demissa Greene var. russeola Rollins | Arabis pendulina var. russeola | Brassicaceae
|
| ARDE | Arabis demissa Greene | nodding rockcress | Brassicaceae
|
| ARDEP | Arabis dentata (Torr.) Torr. & Gray var. phalacrocarpa M. Hopkins | Arabis shortii | Brassicaceae
|
| ARDE8 | Arabis dentata (Torr.) Torr. & Gray | Arabis shortii | Brassicaceae
|
| ARDE6 | Arabis depauperata A. Nels. & Kennedy | Arabis lemmonii var. depauperata | Brassicaceae
|
| ARDE7 | Arabis deserti (M.E. Jones) Abrams | Sibara deserti | Brassicaceae
|
| ARDI12 | Arabis dianthifolia Greene | Arabis suffrutescens var. suffrutescens | Brassicaceae
|
| ARDI10 | Arabis diehlii M.E. Jones | Arabis pendulina var. pendulina | Brassicaceae
|
| ARDI | Arabis dispar M.E. Jones | pinyon rockcress | Brassicaceae
|
| ARDID4 | Arabis divaricarpa A. Nels. var. dacotica (Greene) Boivin | Arabis holboellii var. collinsii | Brassicaceae
|
| ARDID3 | Arabis divaricarpa A. Nels. var. dechamplainii Boivin | Arabis divaricarpa | Brassicaceae
|
| ARDII | Arabis divaricarpa A. Nels. var. interposita (Greene) Rollins | Arabis divaricarpa | Brassicaceae
|