Taxon Details
Astragalus anxius
Ash Valley milk-vetch
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Rick York |
F. Gauna |
Dean Taylor |
Taxon Summary:
Astragalus anxius, commonly known as Ash Valley milk-vetch, is a perennial herb in the Fabaceae that is found only in California. It occurs within Great Basin scrub, Pinyon and juniper woodland, and Upper montane coniferous forest, growing at elevations from 1550 to 1645 meters. Astragalus anxius is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.|
Scientific Name: Astragalus anxius Meinke & Kaye |
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Common Name: Ash Valley milk-vetch |
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| Family: | Fabaceae | |
| Element Code: | PDFAB0FBD0 | |
| USDA Plants Symbol: | ASAN18 | |
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Synonyms/Other Names: |
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| Name Status: |
JEF, FNA, POWO, IPNI, Tropicos |
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| CA Rare Plant Rank: | 1B.2 |
| Fed List: | None |
| State List: | None |
| Global Rank: | G1 |
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State Rank: |
S2 |
| Other Status: | BLM_S; SB_UCSC; USFS_S |
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CRPR Changes: |
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| Add Date: | 1984-01-01 |
| Date Edited: | 2025-02-04 |
| Lifeform: perennial herb | ||||||||||||||
Blooming Period: May-Jul
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Elevation:
1550 - 1645 meters 5085 - 5395 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
Microhabitat:
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| Threat List Total: | 7 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 5 | 63 % |
| THREAT LIST: | ||
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| Foot traffic/trampling | 3 | 37% |
| Grazing | 1 | 12% |
| Logging | 1 | 12% |
| ORV activity | 1 | 12% |
| Other | 1 | 12% |
| Road/trail construction/maint. | 1 | 12% |
| Wood cutting or brush clearing | 1 | 12% |
| Total Occurrences: | 8 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 2 | 1 | 2 | 0 | 0 | 3 |
| Occurrence Status: | |||||
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| Historical >20 Years | 5 | ||||
| Recent <=20 Years | 3 | ||||
| Presence: | |||||
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| Presumed Extant | 8 | ||||
| Possibly Extirpated | 0 | ||||
| Presumed Extirpated | 0 | ||||
| California Endemic: | |||||||||||||
| California Island: | |||||||||||||
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States: Name (Code) California (CA) |
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California Counties and Islands: Name (Code) Lassen (LAS) |
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Quads: Name (Quad Code) Ash Valley (4112016), Lane Reservoir (4112017) |
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Notes:
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Presumed Extant
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