Taxon Report

Astragalus ertterae Barneby & Shevock

Walker Pass milk-vetch

Print Report



  Classification

Scientific Name:
Astragalus ertterae Barneby & Shevock
Common Name:
Walker Pass milk-vetch
Family: Fabaceae
Element Code: PDFAB0FB30
USDA Plants Symbol: ASER6
Synonyms/Other Names:

Ecology and Life History

Lifeform: perennial herb
Blooming Period: Apr-May Apr-May
Elevation: 1705-1900 (5595-6235)
General Habitats: Pinyon and juniper woodland
Microhabitat:
Microhabitat Details:

Occurrence Data from the CNDDB

Total Occurrences: 4
Element Occurrence Ranks:
   Excellent (A) 2
   Good (B) 2
   Fair (C) 0
   Poor (D) 0
   None (X) 0
   Unknown (U) 0
California Endemic:  True
California Counties and Islands: Name (Code)
Kern (KRN)
Quads: Name (Quad Code)
Walker Pass (3511861)

Threat List Data from the CNDDB

Threat List Total: 4
EOs with Threat Listed: Total EOs % of EOs
3 75 %
Grazing 3 75%
Road/trail construction/maint. 2 50%
Foot traffic/trampling 1 25%
Recreational use (non-ORV) 1 25%

Notes

Known in CA from only the Walker Pass area. See Aliso 11(4):585-588 (1987) for original description.
Threats:
Taxonomy:
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].