Taxon Details
Astragalus lentiginosus var. sierrae
Big Bear Valley milk-vetch
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Taxon Summary:
Astragalus lentiginosus var. sierrae, commonly known as Big Bear Valley milk-vetch, is a perennial herb in the Fabaceae that is found only in California. It occurs within Meadows and seeps, Mojavean desert scrub, Pinyon and juniper woodland, and Upper montane coniferous forest, growing at elevations from 1800 to 2600 meters. Astragalus lentiginosus var. sierrae is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.|
Scientific Name: Astragalus lentiginosus Hook. var. sierrae Jones |
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Common Name: Big Bear Valley milk-vetch |
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| Family: | Fabaceae | |
| Element Code: | PDFAB0FB9L | |
| USDA Plants Symbol: | ASLES5 | |
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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: | G5T2 |
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State Rank: |
S2 |
| Other Status: | SB_CalBG/RSABG; USFS_S |
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CRPR Changes: |
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| Add Date: | 1994-01-01 |
| Date Edited: | 2021-08-25 |
| Lifeform: perennial herb | ||||||||||||||
Blooming Period: Apr-Aug
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Elevation:
1800 - 2600 meters 5905 - 8530 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
Microhabitat:
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Notes: Known only from Big Bear Valley and the Baldwin Lake region. Threatened by urbanization, illegal dumping, mining, road construction, vegetation/fuel management activities, road maintenance, and recreational activities. See Revision of North American Species of Astragalus, p. 124 (1923) by M. E. Jones for original description, and Memoirs of the New York Botanical Garden 13:925 (1964) for taxonomic treatment. |
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Threats: |
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Taxonomy: |
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| Threat List Total: | 11 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 22 | 32 % |
| THREAT LIST: | ||
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| ORV activity | 11 | 16% |
| Foot traffic/trampling | 7 | 10% |
| Mining | 6 | 8% |
| Road/trail construction/maint. | 6 | 8% |
| Logging | 3 | 4% |
| Non-native plant impacts | 3 | 4% |
| Recreational use (non-ORV) | 3 | 4% |
| Development | 2 | 2% |
| Erosion/runoff | 1 | 1% |
| Grazing | 1 | 1% |
| Wood cutting or brush clearing | 1 | 1% |
| Total Occurrences: | 68 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 2 | 5 | 12 | 4 | 0 | 45 |
| Occurrence Status: | |||||
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| Historical >20 Years | 29 | ||||
| Recent <=20 Years | 39 | ||||
| Presence: | |||||
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| Presumed Extant | 68 | ||||
| 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) San Bernardino (SBD) |
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Quads: Name (Quad Code) Big Bear City (3411637), Big Bear Lake (3411628), Butler Peak (3411731), Fawnskin (3411638), Moonridge (3411627), Onyx Peak (3411626), Rattlesnake Canyon (3411636) |
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Notes:
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Presumed Extant
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