| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| ASCY2 | Astragalus cymboides M.E. Jones | canoe milkvetch | Fabaceae
|
| ASDAD | Astragalus danicus Retz. var. dasyglottis (Fisch. ex DC.) Boivin | Astragalus agrestis | Fabaceae
|
| ASDA3 | Astragalus dasyglottis Fisch. ex DC. | Astragalus agrestis | Fabaceae
|
| ASDA4 | Astragalus datilensis (Rydb.) Tidestrom | Astragalus humistratus var. humistratus | Fabaceae
|
| ASDE | Astragalus deanei (Rydb.) Barneby | Deane's milkvetch | Fabaceae
|
| ASDE11 | Astragalus debequaeus Welsh | Debeque milkvetch | Fabaceae
|
| ASDEC2 | Astragalus decumbens (Nutt. ex Torr. & Gray) Gray var. crispatus (M.E. Jones) Cronq. & Barneby | Astragalus miser var. crispatus | Fabaceae
|
| ASDEO | Astragalus decumbens (Nutt. ex Torr. & Gray) Gray var. oblongifolius (Rydb.) Cronq. | Astragalus miser var. oblongifolius | Fabaceae
|
| ASDES | Astragalus decumbens (Nutt. ex Torr. & Gray) Gray var. serotinus (Gray ex Cooper) M.E. Jones | Astragalus miser var. serotinus | Fabaceae
|
| ASDE13 | Astragalus decumbens (Nutt. ex Torr. & Gray) Gray | Astragalus miser var. decumbens | Fabaceae
|
| ASDE2 | Astragalus desereticus Barneby | deseret milkvetch | Fabaceae
|
| ASDEC | Astragalus desperatus M.E. Jones var. conspectus Barneby | rimrock milkvetch | Fabaceae
|
| ASDED | Astragalus desperatus M.E. Jones var. desperatus | rimrock milkvetch | Fabaceae
|
| ASDEN | Astragalus desperatus M.E. Jones var. neeseae Barneby | Elizabeth's milkvetch | Fabaceae
|
| ASDEP | Astragalus desperatus M.E. Jones var. petrophilus M.E. Jones | rimrock milkvetch | Fabaceae
|
| ASDE3 | Astragalus desperatus M.E. Jones | rimrock milkvetch | Fabaceae
|
| ASDE4 | Astragalus deterior (Barneby) Barneby | Cliff Palace milkvetch | Fabaceae
|
| ASDE5 | Astragalus detritalis M.E. Jones | debris milkvetch | Fabaceae
|
| ASDID4 | Astragalus diaphanus Dougl. ex Hook. var. diurnus (S. Wats.) Barneby ex M.E. Peck | Astragalus diaphanus | Fabaceae
|
| ASDI2 | Astragalus diaphanus Dougl. ex Hook. | transparent milkvetch | Fabaceae
|
| ASDID5 | Astragalus didymocarpus Hook. & Arn. var. daleoides Barneby | Astragalus didymocarpus var. didymocarpus | Fabaceae
|
| ASDID2 | Astragalus didymocarpus Hook. & Arn. var. didymocarpus | dwarf white milkvetch | Fabaceae
|
| ASDID | Astragalus didymocarpus Hook. & Arn. var. dispermus (Gray) Jepson | dwarf white milkvetch | Fabaceae
|
| ASDIM | Astragalus didymocarpus Hook. & Arn. var. milesianus (Rydb.) Jepson | dwarf white milkvetch | Fabaceae
|
| ASDIO | Astragalus didymocarpus Hook. & Arn. var. obispoensis (Rydb.) Jepson | San Obispo milkvetch | Fabaceae
|
| ASDI3 | Astragalus didymocarpus Hook. & Arn. | dwarf white milkvetch | Fabaceae
|
| ASDI6 | Astragalus diholcos Tidestrom | Astragalus bisulcatus var. bisulcatus | Fabaceae
|
| ASDI18 | Astragalus diphysus Gray | Astragalus lentiginosus var. diphysus | Fabaceae
|
| ASDI8 | Astragalus dispermus Gray | Astragalus didymocarpus var. dispermus | Fabaceae
|
| ASDID3 | Astragalus distortus Torr. & Gray var. distortus | Ozark milkvetch | Fabaceae
|
| ASDIE | Astragalus distortus Torr. & Gray var. engelmannii (Sheldon) M.E. Jones | Englemann's milkvetch | Fabaceae
|
| ASDI4 | Astragalus distortus Torr. & Gray | Ozark milkvetch | Fabaceae
|
| ASDI7 | Astragalus diurnus S. Wats. | Astragalus diaphanus | Fabaceae
|
| ASDIC2 | Astragalus diversifolius Gray var. campestris (Nutt.) Dorn | Astragalus conjunctus var. conjunctus | Fabaceae
|
| ASDI5 | Astragalus diversifolius Gray | meadow milkvetch | Fabaceae
|
| ASDOD | Astragalus douglasii (Torr. & Gray) Gray var. douglasii | Jacumba milkvetch | Fabaceae
|
| ASDOM | Astragalus douglasii (Torr. & Gray) Gray var. megalophysus (Rydb.) Munz & McBurney | Astragalus douglasii var. douglasii | Fabaceae
|
| ASDOP | Astragalus douglasii (Torr. & Gray) Gray var. parishii (Gray) M.E. Jones | Parish's milkvetch | Fabaceae
|
| ASDOP2 | Astragalus douglasii (Torr. & Gray) Gray var. perstrictus (Rydb.) Munz & McBurney ex Munz | Jacumba milkvetch | Fabaceae
|
| ASDO | Astragalus douglasii (Torr. & Gray) Gray | Jacumba milkvetch | Fabaceae
|
| ASDR2 | Astragalus drabelliformis Barneby | bastard draba milkvetch | Fabaceae
|
| ASDR4 | Astragalus drepanolobus Gray | Astragalus diaphanus | Fabaceae
|
| ASDR3 | Astragalus drummondii Dougl. ex Hook. | Drummond's milkvetch | Fabaceae
|
| ASDU2 | Astragalus duchesnensis M.E. Jones | Duchesne milkvetch | Fabaceae
|
| ASEA4 | Astragalus earlei Greene | Astragalus mollissimus var. earlei | Fabaceae
|
| ASEA2 | Astragalus eastwoodiae M.E. Jones | Eastwood's milkvetch | Fabaceae
|
| ASED2 | Astragalus edulis Durieu ex Bunge | milkvetch | Fabaceae
|
| ASEG | Astragalus egglestonii (Rydb.) Kearney & Peebles | Eggleston's milkvetch | Fabaceae
|
| ASEME | Astragalus emoryanus (Rydb.) Cory var. emoryanus | Emory's milkvetch | Fabaceae
|
| ASEMT | Astragalus emoryanus (Rydb.) Cory var. terlinguensis (Cory) Barneby | Emory's milkvetch | Fabaceae
|
| ASEM2 | Astragalus emoryanus (Rydb.) Cory | Emory's milkvetch | Fabaceae
|
| ASEN3 | Astragalus endopterus (Barneby) Barneby | sandbar milkvetch | Fabaceae
|
| ASEN6 | Astragalus engelmannii Sheldon | Astragalus distortus var. engelmannii | Fabaceae
|
| ASENE | Astragalus ensiformis M.E. Jones var. ensiformis | pagumpa milkvetch | Fabaceae
|
| ASENG | Astragalus ensiformis M.E. Jones var. gracilior Barneby | pagumpa milkvetch | Fabaceae
|
| ASEN4 | Astragalus ensiformis M.E. Jones | pagumpa milkvetch | Fabaceae
|
| ASEPE | Astragalus episcopus S. Wats. var. episcopus | bishop's milkvetch | Fabaceae
|
| ASEPL | Astragalus episcopus S. Wats. var. lancearius (Gray) Isely | bishop's milkvetch | Fabaceae
|
| ASEP | Astragalus episcopus S. Wats. | bishop's milkvetch | Fabaceae
|
| ASEQ | Astragalus equisolensis Neese & Welsh | Astragalus desperatus var. neeseae | Fabaceae
|
| ASERA | Astragalus eremiticus Sheldon var. ampullarioides Welsh | Astragalus eremiticus | Fabaceae
|
| ASERM | Astragalus eremiticus Sheldon var. malheurensis (Heller) Barneby | Astragalus eremiticus | Fabaceae
|
| ASERS2 | Astragalus eremiticus Sheldon var. spencianus M.E. Jones | Astragalus eremiticus | Fabaceae
|
| ASER4 | Astragalus eremiticus Sheldon | hermit milkvetch | Fabaceae
|
| ASER6 | Astragalus ertterae Barneby & Shevock | Walker Pass milkvetch | Fabaceae
|
| ASEUS | Astragalus eucosmus B.L. Robins. ssp. sealei (Lepage) Hult�n | Astragalus eucosmus | Fabaceae
|
| ASEUF | Astragalus eucosmus B.L. Robins. var. facinorum Fern. | Astragalus eucosmus | Fabaceae
|
| ASEU2 | Astragalus eucosmus B.L. Robins. | elegant milkvetch | Fabaceae
|
| ASEU4 | Astragalus eurekensis M.E. Jones | Eureka milkvetch | Fabaceae
|
| ASEU3 | Astragalus eurylobus (Barneby) Barneby | Needle Mountain milkvetch | Fabaceae
|
| ASFA3 | Astragalus falcatus Lam. | Russian milkvetch | Fabaceae
|
| ASFA7 | Astragalus famelicus Sheldon | Astragalus hallii var. fallax | Fabaceae
|
| ASFE2 | Astragalus feensis M.E. Jones | Santa Fe milkvetch | Fabaceae
|
| ASFIR | Astragalus filipes Torr. ex Gray var. residuus Jepson | Astragalus filipes | Fabaceae
|
| ASFI | Astragalus filipes Torr. ex Gray | basalt milkvetch | Fabaceae
|
| ASFLA | Astragalus flavus Nutt. var. argillosus (M.E. Jones) Barneby | Astragalus flavus | Fabaceae
|
| ASFLC | Astragalus flavus Nutt. var. candicans Gray | Astragalus flavus | Fabaceae
|
| ASFL | Astragalus flavus Nutt. | yellow milkvetch | Fabaceae
|
| ASFLD | Astragalus flexuosus (Hook.) Dougl. ex G. Don var. diehlii (M.E. Jones) Barneby | Diehl's milkvetch | Fabaceae
|
| ASFLE | Astragalus flexuosus (Hook.) Dougl. ex G. Don var. elongatus (Hook.) M.E. Jones | Astragalus flexuosus var. flexuosus | Fabaceae
|
| ASFLF | Astragalus flexuosus (Hook.) Dougl. ex G. Don var. flexuosus | flexile milkvetch | Fabaceae
|
| ASFLG | Astragalus flexuosus (Hook.) Dougl. ex G. Don var. greenei (Gray) Barneby | Greene's milkvetch | Fabaceae
|
| ASFLS | Astragalus flexuosus (Hook.) Dougl. ex G. Don var. sierrae-blancae (Rydb.) Barneby | Astragalus flexuosus var. flexuosus | Fabaceae
|
| ASFL2 | Astragalus flexuosus (Hook.) Dougl. ex G. Don | flexile milkvetch | Fabaceae
|
| ASFOW | Astragalus forwoodii S. Wats. var. wallowensis (Rydb.) M.E. Peck | Astragalus australis | Fabaceae
|
| ASFO5 | Astragalus forwoodii S. Wats. | Astragalus australis | Fabaceae
|
| ASFRE | Astragalus fremontii Gray ex Torr. ssp. eremicus (Sheldon) Abrams | Astragalus lentiginosus var. fremontii | Fabaceae
|
| ASFR3 | Astragalus fremontii Gray ex Torr. | Astragalus lentiginosus var. fremontii | Fabaceae
|
| ASFRA | Astragalus frigidus (L.) Gray var. americanus (Hook.) S. Wats. | Astragalus americanus | Fabaceae
|
| ASFRG | Astragalus frigidus (L.) Gray var. gaspensis (Rouss.) Fern. | Astragalus americanus | Fabaceae
|
| ASFR4 | Astragalus frigidus (L.) Gray p.p. | Astragalus americanus | Fabaceae
|
| ASFR4 | Astragalus frigidus (L.) Gray p.p. | Astragalus umbellatus | Fabaceae
|
| ASFU2 | Astragalus fucatus Barneby | Hopi milkvetch | Fabaceae
|
| ASFU3 | Astragalus funereus M.E. Jones | Funeral Mountain milkvetch | Fabaceae
|
| ASGAE | Astragalus gambelianus Sheldon ssp. elmeri (Greene) Abrams | Astragalus gambelianus | Fabaceae
|
| ASGA | Astragalus gambelianus Sheldon | Gambel's dwarf milkvetch | Fabaceae
|
| ASGA6 | Astragalus gaviotus Elmer | Astragalus trichopodus var. phoxus | Fabaceae
|
| ASGEG | Astragalus geyeri Gray var. geyeri | Geyer's milkvetch | Fabaceae
|
| ASGET | Astragalus geyeri Gray var. triquetrus (Gray) M.E. Jones | Geyer's milkvetch | Fabaceae
|
| ASGE | Astragalus geyeri Gray | Geyer's milkvetch | Fabaceae
|
| ASGI | Astragalus gibbsii Kellogg | Gibbs' milkvetch | Fabaceae
|