Astragalus frigidus var. americanus (Hook.) S.Watson
, Smithsonian Misc. Collect. 258: 193 (1878). BHL- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:24880-2
- Publication
- Smithsonian Miscellaneous Collections. Washington, DC
- Collation
- 258: 193
- Family as entered in IPNI
- Fabaceae
Nomenclatural Notes
Bibl. Index, 1: 193. 1878