Astragalus nigrescens var. arctobia (Bunge) Tidestr.
, Proc. Biol. Soc. Washington 50: 19 (1937). BHL- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:25321-2
- Species Name
- Astragalus nigrescens Nutt., Proc. Acad. Nat. Sci. Philadelphia 4: 9 (1848).
- Publication
- Proceedings of the Biological Society of Washington
- Collation
- 50: 19
- Family as entered in IPNI
- Fabaceae