Taxon Report

Astragalus subvestitus (Jeps.) Barneby

Kern County milk-vetch

Print Report

Taxon Summary

Astragalus subvestitus, commonly known as Kern County milk-vetch, is a perennial herb in the Fabaceae that is found only in California. It occurs within Great Basin scrub, Meadows and seeps, and Pinyon and juniper woodland, growing at elevations from 2330 to 2750 meters. Astragalus subvestitus is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.

Classification


Scientific Name:	Astragalus subvestitus (Jeps.) Barneby
Common Name:	Kern County milk-vetch
Family:	Fabaceae
Element Code:	PDFAB0F8M0
USDA Plants Symbol:	ASSU8
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial herb
Blooming Period: (May)Jun-Jul	(May)Jun-Jul
Elevation:	2330-2750 (7645-9025)
General Habitats:	Great Basin scrub, Meadows and seeps, Pinyon and juniper woodland
Microhabitat:	Gravelly (sometimes), Sandy (sometimes)
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	4.3
Global Rank:	G3
State Rank:	S3
State List:	None
Fed List:	None
Other Status:
CRPR Changes:

Occurrence Data from the CNDDB


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

Location


California Endemic: True
California Counties and Islands: Name (Code)
Kern (KRN), Tulare (TUL)
Quads: Name (Quad Code)
Bonita Meadows (3611813), Breckenridge Mtn. (3511845), Claraville (3511843), Crag Peak (3611812), Kern Peak (3611833), Lake Isabella South (3511854), Monache Mountain (3611822), Rockhouse Basin (3511882), Sacatar Canyon (3511881), Templeton Mtn. (3611832), Woolstalf Creek (3511853)

Threat List Data from the CNDDB


Threat List Total:	0
EOs with Threat Listed:	Total EOs	% of EOs
	0	0 %

Notes



See Flora of California 2(1):361 (1936) by W.L. Jepson for original description, and Memoirs of the New York Botanical Garden 13:685-686 (1964) for revised nomenclature.
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 16 March 2025].