| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| ASLE7 | Astragalus lentiformis Gray ex Brewer & S. Wats. | lens pod milkvetch | Fabaceae
|
| ASLEA6 | Astragalus lentiginosus Dougl. ex Hook. var. albiflorus (Gray) Schoener | Astragalus lentiginosus var. diphysus | Fabaceae
|
| ASLEA | Astragalus lentiginosus Dougl. ex Hook. var. albifolius M.E. Jones | northern freckled milkvetch | Fabaceae
|
| ASLEA2 | Astragalus lentiginosus Dougl. ex Hook. var. ambiguus Barneby | freckled milkvetch | Fabaceae
|
| ASLEA3 | Astragalus lentiginosus Dougl. ex Hook. var. antonius Barneby | freckled milkvetch | Fabaceae
|
| ASLEA4 | Astragalus lentiginosus Dougl. ex Hook. var. araneosus (Sheldon) Barneby | Astragalus lentiginosus var. diphysus | Fabaceae
|
| ASLEA5 | Astragalus lentiginosus Dougl. ex Hook. var. australis Barneby | freckled milkvetch | Fabaceae
|
| ASLEB | Astragalus lentiginosus Dougl. ex Hook. var. borreganus M.E. Jones | Borrego milkvetch | Fabaceae
|
| ASLEC6 | Astragalus lentiginosus Dougl. ex Hook. var. carinatus M.E. Jones | Astragalus lentiginosus var. lentiginosus | Fabaceae
|
| ASLEC7 | Astragalus lentiginosus Dougl. ex Hook. var. charlestonensis (Clokey) Barneby | Astragalus lentiginosus var. kernensis | Fabaceae
|
| ASLEC | Astragalus lentiginosus Dougl. ex Hook. var. chartaceus M.E. Jones | broadleaf milkvetch | Fabaceae
|
| ASLEC2 | Astragalus lentiginosus Dougl. ex Hook. var. coachellae Barneby ex Shreve & Wiggins | Coachella milkvetch | Fabaceae
|
| ASLEC4 | Astragalus lentiginosus Dougl. ex Hook. var. coulteri (Benth.) M.E. Jones | Astragalus lentiginosus var. borreganus | Fabaceae
|
| ASLED | Astragalus lentiginosus Dougl. ex Hook. var. diphysus (Gray) M.E. Jones | freckled milkvetch | Fabaceae
|
| ASLEF | Astragalus lentiginosus Dougl. ex Hook. var. floribundus Gray | freckled milkvetch | Fabaceae
|
| ASLEF2 | Astragalus lentiginosus Dougl. ex Hook. var. fremontii (Gray ex Torr.) S. Wats. | Fremont's milkvetch | Fabaceae
|
| ASLEH | Astragalus lentiginosus Dougl. ex Hook. var. higginsii Welsh & Thorne | Higgins' milkvetch | Fabaceae
|
| ASLEI | Astragalus lentiginosus Dougl. ex Hook. var. idriensis M.E. Jones | freckled milkvetch | Fabaceae
|
| ASLEI2 | Astragalus lentiginosus Dougl. ex Hook. var. ineptus (Gray) M.E. Jones | freckled milkvetch | Fabaceae
|
| ASLEK | Astragalus lentiginosus Dougl. ex Hook. var. kennedyi (Rydb.) Barneby | Kennedy's milkvetch | Fabaceae
|
| ASLEK2 | Astragalus lentiginosus Dougl. ex Hook. var. kernensis (Jepson) Barneby | Kern milkvetch | Fabaceae
|
| ASLEL | Astragalus lentiginosus Dougl. ex Hook. var. latus (M.E. Jones) M.E. Jones | freckled milkvetch | Fabaceae
|
| ASLEL3 | Astragalus lentiginosus Dougl. ex Hook. var. lentiginosus | freckled milkvetch | Fabaceae
|
| ASLEM | Astragalus lentiginosus Dougl. ex Hook. var. macrolobus (Rydb.) Barneby | Astragalus lentiginosus var. salinus | Fabaceae
|
| ASLEM2 | Astragalus lentiginosus Dougl. ex Hook. var. maricopae Barneby | Maricopa milkvetch | Fabaceae
|
| ASLEM4 | Astragalus lentiginosus Dougl. ex Hook. var. mcdougallii (Sheldon) M.E. Jones | Astragalus lentiginosus var. diphysus | Fabaceae
|
| ASLEM3 | Astragalus lentiginosus Dougl. ex Hook. var. micans Barneby | freckled milkvetch | Fabaceae
|
| ASLEM5 | Astragalus lentiginosus Dougl. ex Hook. var. mokiacensis (Gray) M.E. Jones | Astragalus mokiacensis | Fabaceae
|
| ASLEN | Astragalus lentiginosus Dougl. ex Hook. var. nigricalycis M.E. Jones | freckled milkvetch | Fabaceae
|
| ASLEO | Astragalus lentiginosus Dougl. ex Hook. var. oropedii Barneby | freckled milkvetch | Fabaceae
|
| ASLEP | Astragalus lentiginosus Dougl. ex Hook. var. palans (M.E. Jones) M.E. Jones | freckled milkvetch | Fabaceae
|
| ASLEP3 | Astragalus lentiginosus Dougl. ex Hook. var. piscinensis Barneby | Fish Slough milkvetch | Fabaceae
|
| ASLEP2 | Astragalus lentiginosus Dougl. ex Hook. var. platyphyllidius (Rydb.) M.E. Peck | Astragalus lentiginosus var. chartaceus | Fabaceae
|
| ASLEP4 | Astragalus lentiginosus Dougl. ex Hook. var. pohilii Welsh & Barneby | Pohil's milkvetch | Fabaceae
|
| ASLES | Astragalus lentiginosus Dougl. ex Hook. var. salinus (T.J. Howell) Barneby | salty loco milkvetch | Fabaceae
|
| ASLES2 | Astragalus lentiginosus Dougl. ex Hook. var. scorpionis M.E. Jones | scorpion milkvetch | Fabaceae
|
| ASLES3 | Astragalus lentiginosus Dougl. ex Hook. var. semotus Jepson | freckled milkvetch | Fabaceae
|
| ASLES4 | Astragalus lentiginosus Dougl. ex Hook. var. sesquimetralis (Rydb.) Barneby | Mono locoweed | Fabaceae
|
| ASLES5 | Astragalus lentiginosus Dougl. ex Hook. var. sierrae M.E. Jones | Sierra milkvetch | Fabaceae
|
| ASLES6 | Astragalus lentiginosus Dougl. ex Hook. var. stramineus (Rydb.) Barneby | freckled milkvetch | Fabaceae
|
| ASLET2 | Astragalus lentiginosus Dougl. ex Hook. var. toiyabensis Barneby | Astragalus lentiginosus var. scorpionis | Fabaceae
|
| ASLET3 | Astragalus lentiginosus Dougl. ex Hook. var. tremuletorum Barneby | Astragalus lentiginosus var. scorpionis | Fabaceae
|
| ASLEU | Astragalus lentiginosus Dougl. ex Hook. var. ursinus (Gray) Barneby | Astragalus lentiginosus var. palans | Fabaceae
|
| ASLEV | Astragalus lentiginosus Dougl. ex Hook. var. variabilis Barneby | freckled milkvetch | Fabaceae
|
| ASLEV2 | Astragalus lentiginosus Dougl. ex Hook. var. vitreus Barneby | freckled milkvetch | Fabaceae
|
| ASLEW2 | Astragalus lentiginosus Dougl. ex Hook. var. wahweapensis Welsh | Astragalus lentiginosus var. diphysus | Fabaceae
|
| ASLEW | Astragalus lentiginosus Dougl. ex Hook. var. wilsonii (Greene) Barneby | Wilson's milkvetch | Fabaceae
|
| ASLEY | Astragalus lentiginosus Dougl. ex Hook. var. yuccanus M.E. Jones | yucca milkvetch | Fabaceae
|
| ASLE8 | Astragalus lentiginosus Dougl. ex Hook. | freckled milkvetch | Fabaceae
|
| ASLE9 | Astragalus leptaleus Gray | park milkvetch | Fabaceae
|
| ASLE10 | Astragalus leptocarpus Torr. & Gray | rare loco milkvetch | Fabaceae
|
| ASLEC5 | Astragalus leucolobus S. Wats. ex M.E. Jones ssp. consectus (Sheldon) Abrams | Astragalus purshii var. tinctus | Fabaceae
|
| ASLE11 | Astragalus leucolobus S. Wats. ex M.E. Jones | Bear Valley milkvetch | Fabaceae
|
| ASLE16 | Astragalus leucopsis (Torr. & Gray) Torr. & Gray | Astragalus trichopodus var. lonchus | Fabaceae
|
| ASLIL2 | Astragalus limnocharis Barneby var. limnocharis | Cedar Breaks milkvetch | Fabaceae
|
| ASLIM | Astragalus limnocharis Barneby var. montii (Welsh) Isely | Monti's milkvetch | Fabaceae
|
| ASLIT | Astragalus limnocharis Barneby var. tabulaeus Welsh | Astragalus limnocharis var. montii | Fabaceae
|
| ASLI3 | Astragalus limnocharis Barneby | Cedar Breaks milkvetch | Fabaceae
|
| ASLI4 | Astragalus lindheimeri Engelm. ex Gray | Lindheimer's milkvetch | Fabaceae
|
| ASLI7 | Astragalus linearis (Rydb.) Porsild | Astragalus australis | Fabaceae
|
| ASLI5 | Astragalus linifolius Osterhout | Grand Junction milkvetch | Fabaceae
|
| ASLO2 | Astragalus loanus Barneby | Glenwood milkvetch | Fabaceae
|
| ASLOH | Astragalus lonchocarpus Torr. var. hamiltonii (C.L. Porter) Isely | Astragalus hamiltonii | Fabaceae
|
| ASLO3 | Astragalus lonchocarpus Torr. | rushy milkvetch | Fabaceae
|
| ASLO11 | Astragalus longifolius (Pursh) Rydb. | Astragalus ceramicus var. filifolius | Fabaceae
|
| ASLON | Astragalus lotiflorus Hook. var. nebraskensis Bates | Astragalus lotiflorus | Fabaceae
|
| ASLOR | Astragalus lotiflorus Hook. var. reverchonii (Gray) M.E. Jones | Astragalus lotiflorus | Fabaceae
|
| ASLO4 | Astragalus lotiflorus Hook. | lotus milkvetch | Fabaceae
|
| ASLU2 | Astragalus lutosus M.E. Jones | Dragon milkvetch | Fabaceae
|
| ASLYC | Astragalus lyallii Gray var. caricinus M.E. Jones | Astragalus caricinus | Fabaceae
|
| ASLY | Astragalus lyallii Gray | Lyall's milkvetch | Fabaceae
|
| ASMA11 | Astragalus macgregorii (Rydb.) Tidestrom | Astragalus filipes | Fabaceae
|
| ASMA12 | Astragalus macounii Rydb. | Astragalus robbinsii var. minor | Fabaceae
|
| ASMA3 | Astragalus macrodon (Hook. & Arn.) Gray | Salinas milkvetch | Fabaceae
|
| ASMAP | Astragalus magdalenae Greene var. peirsonii (Munz & McBurney) Barneby | Peirson's milkvetch | Fabaceae
|
| ASMA4 | Astragalus magdalenae Greene | satiny milkvetch | Fabaceae
|
| ASMA5 | Astragalus malacoides Barneby | Kaiparowits milkvetch | Fabaceae
|
| ASMA6 | Astragalus malacus Gray | shaggy milkvetch | Fabaceae
|
| ASMA17 | Astragalus malheurensis Heller | Astragalus eremiticus | Fabaceae
|
| ASMA9 | Astragalus marianus (Rydb.) Barneby, non Huber | Astragalus piutensis | Fabaceae
|
| ASMA13 | Astragalus matthewsii S. Wats. | Astragalus mollissimus var. matthewsii | Fabaceae
|
| ASMEP | Astragalus megacarpus (Nutt.) Gray var. parryi Gray ex S. Wats. | Astragalus megacarpus | Fabaceae
|
| ASME2 | Astragalus megacarpus (Nutt.) Gray | great bladdery milkvetch | Fabaceae
|
| ASME7 | Astragalus mensanus (M.E. Jones) Abrams | Astragalus atratus var. mensanus | Fabaceae
|
| ASMEV | Astragalus menziesii Gray ssp. virgatus (Gray ex Brewer & S. Wats.) Abrams | Astragalus nuttallii var. virgatus | Fabaceae
|
| ASME8 | Astragalus menziesii Gray | Astragalus nuttallii var. nuttallii | Fabaceae
|
| ASMET | Astragalus mexicanus A. DC. var. trichocalyx (Nutt.) Fern. | Astragalus crassicarpus var. trichocalyx | Fabaceae
|
| ASME9 | Astragalus mexicanus A. DC. | Astragalus crassicarpus var. berlandieri | Fabaceae
|
| ASMI2 | Astragalus michauxii (Kuntze) F.J. Herm. | sandhills milkvetch | Fabaceae
|
| ASMI3 | Astragalus microcymbus Barneby | skiff milkvetch | Fabaceae
|
| ASMI4 | Astragalus microcystis Gray | dwarf milkvetch | Fabaceae
|
| ASMI5 | Astragalus micromerius Barneby | Chaco milkvetch | Fabaceae
|
| ASMI6 | Astragalus miguelensis Greene | San Miguel milkvetch | Fabaceae
|
| ASMIG | Astragalus minthorniae (Rydb.) Jepson var. gracilior (Barneby) Barneby | Astragalus ensiformis var. gracilior | Fabaceae
|
| ASMIM2 | Astragalus minthorniae (Rydb.) Jepson var. minthorniae | Minthorn's milkvetch | Fabaceae
|
| ASMIV | Astragalus minthorniae (Rydb.) Jepson var. villosus Barneby | Minthorn's milkvetch | Fabaceae
|
| ASMI7 | Astragalus minthorniae (Rydb.) Jepson | Minthorn's milkvetch | Fabaceae
|
| ASMIM3 | Astragalus misellus S. Wats. var. misellus | pauper milkvetch | Fabaceae
|
| ASMIP | Astragalus misellus S. Wats. var. pauper Barneby | pauper milkvetch | Fabaceae
|
| ASMI8 | Astragalus misellus S. Wats. | pauper milkvetch | Fabaceae
|
| ASMIC | Astragalus miser Dougl. var. crispatus (M.E. Jones) Cronq. | timber milkvetch | Fabaceae
|