Taxon Report

Astragalus lentiginosus Hook. var. sesquimetralis (Rydb.) Barneby

Sodaville milk-vetch

Print Report

Taxon Summary

Astragalus lentiginosus var. sesquimetralis, commonly known as Sodaville milk-vetch, is a perennial herb in the Fabaceae that is found in California and elsewhere. It occurs within Meadows and seeps, growing at elevations from 955 to 975 meters. Astragalus lentiginosus var. sesquimetralis is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.

Classification


Scientific Name:	Astragalus lentiginosus Hook. var. sesquimetralis (Rydb.) Barneby
Common Name:	Sodaville milk-vetch
Family:	Fabaceae
Element Code:	PDFAB0FB9K
USDA Plants Symbol:	ASLES4
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial herb
Blooming Period: Apr-Jul	Apr-Jul
Elevation:	955-975 (3135-3200)
General Habitats:	Meadows and seeps
Microhabitat:
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	1B.1
Global Rank:	G5T1
State Rank:	S1
State List:	CE
Fed List:	None
Other Status:
CRPR Changes:

Occurrence Data from the CNDDB


Total Occurrences:	1
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	1
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	0

Location


California Endemic: False
California Counties and Islands: Name (Code)
Inyo (INY)
Quads: Name (Quad Code)
Sand Spring (3711725)

Threat List Data from the CNDDB


Threat List Total:	2
EOs with Threat Listed:	Total EOs	% of EOs
	1	100 %
Altered flood/tidal/hydrologic regime	1	100%
Non-native animal impacts	1	100%

Notes



Known in CA from only one occurrence at Sand Spring, in Death Valley NP. Only two occurrences known in NV, both on private land. Most of CA occurrence protected by new fencing erected by BLM in 1996; unfenced portion still threatened by trampling and vehicles. State-listed as Critically Endangered in NV. See North American Flora 24:414 (1929) for original description, and Brittonia 29:376-381 (1977) for discussion of CA occurrence.
Threats:

Taxonomy:

Selected References

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 5 February 2025].