Critically Imperiled Plant Profile (Not Listed or Proposed under the Endangered Species Act)
The leathery, swollen seed pods are mottled with dark red. Photo by Fletcher Linton.
Walker Pass milkvetch grows partly buried in sandy or gravelly granitic soils, in pinyon-canyon live oak woodlands of the southern Sierra Nevada. Photo by Fletcher Linton.
Astragalus ertterae range map.
Astragalus ertterae, Walker Pass milkvetch
Threats
- The Pacific Crest Trail bisects both populations that are on federal land. Trampling and trail use present a minor threat.
- Grazing is also a possible threat.