Taxon Report

Astragalus jaegerianus Munz

Lane Mountain milk-vetch

Print Report

Classification


Scientific Name:	Astragalus jaegerianus Munz
Common Name:	Lane Mountain milk-vetch
Family:	Fabaceae
Element Code:	PDFAB0F4F0
USDA Plants Symbol:	ASJA
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial herb
Blooming Period: Apr-Jun	Apr-Jun
Elevation:	900-1200 (2955-3935)
General Habitats:	Joshua tree "woodland", Mojavean desert scrub
Microhabitat:	Granitic, Gravelly (sometimes), Sandy (sometimes)
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	1B.1
Global Rank:	G2
State Rank:	S2
State List:	None
Fed List:	FE
Other Status:	SB_CalBG/RSABG
CRPR Changes:

Occurrence Data from the CNDDB


Total Occurrences:	22
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	3
Fair (C)	2
Poor (D)	1
None (X)	0
Unknown (U)	16

Location


California Endemic: True
California Counties and Islands: Name (Code)
San Bernardino (SBD)
Quads: Name (Quad Code)
East of Goldstone (3511637), Goldstone (3511638), Lane Mountain (3511618), Mud Hills (3511711), Paradise Range (3511627), Williams Well (3511628)

Threat List Data from the CNDDB


Threat List Total:	8
EOs with Threat Listed:	Total EOs	% of EOs
	22	100 %
Other	22	100%
ORV activity	17	77%
Mining	15	68%
Non-native plant impacts	9	40%
Recreational use (non-ORV)	9	40%
Vandalism/dumping/litter	9	40%
Military operations	7	31%
Development	4	18%

Notes



Known only from small fragmented populations within and adjacent to Ft. Irwin (DOD); where threatened by mining, vehicles, and military activities. Also threatened by prolonged drought. See Leaflets of Western Botany 3:49-80 (1941) for original description.
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 6 January 2025].