Taxon Report
Astragalus agrestis G. Donfield milk-vetch |
 © 2015 Barry Breckling |
Taxon Summary
Astragalus agrestis, commonly known as field milk-vetch, is a perennial herb in the Fabaceae that is found in California and elsewhere. It occurs within Great Basin scrub (vernally mesic), and Meadows and seeps (vernally mesic), growing at elevations from 1560 to 1650 meters. Astragalus agrestis is ranked 2B.2, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Moderately threatened in California.Classification
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Scientific Name: |
Astragalus agrestis G. Don |
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Common Name: |
field milk-vetch |
| Family: | Fabaceae |
| Element Code: | PDFAB0F090 |
| USDA Plants Symbol: | ASAG2 |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial herb |
| Blooming Period: Apr-Jul(Aug) | Apr-Jul(Aug) |
| Elevation: | 1560-1650 (5120-5415) |
| General Habitats: | Great Basin scrub, Meadows and seeps |
| Microhabitat: | Vernally Mesic |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 2B.2 |
| Global Rank: | G5 |
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State Rank: |
S2 |
| State List: | None |
| Fed List: | None |
| Other Status: | BLM_S |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 14 |
| Element Occurrence Ranks: | |
| Excellent (A) | 0 |
| Good (B) | 2 |
| Fair (C) | 2 |
| Poor (D) | 0 |
| None (X) | 0 |
| Unknown (U) | 10 |
| California Endemic: False | |
| California Counties and Islands: Name (Code) | |
| Lassen (LAS), Sierra (SIE) | |
| Quads: Name (Quad Code) | |
| Anderson Mtn. (4012085), Cleghorn Flat (4012075), Evans Canyon (3912061), McDonald Peak (4012084) | |
Threat List Data from the CNDDB
| Threat List Total: | 4 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 5 | 36 % | |
| Agriculture | 2 | 14% |
| Grazing | 2 | 14% |
| Other | 1 | 7% |
| Foot traffic/trampling | 1 | 7% |
Selected References
| A General History of the Dichlamydeous Plants 2: 258. (1832) |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 4 November 2025].