Taxon Details
Astragalus brauntonii
Braunton's milk-vetch
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© 2009 Thomas Stoughton |
© 2009 Thomas Stoughton |
© 2009 Thomas Stoughton |
Taxon Summary:
Astragalus brauntonii, commonly known as Braunton's milk-vetch, is a perennial herb in the Fabaceae that is found only in California. It occurs within Chaparral, Coastal scrub, and Valley and foothill grassland, growing at elevations from 4 to 640 meters. Astragalus brauntonii is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.|
Scientific Name: Astragalus brauntonii Parish |
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Common Name: Braunton's milk-vetch |
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| Family: | Fabaceae | |
| Element Code: | PDFAB0F1G0 | |
| USDA Plants Symbol: | ASBR6 | |
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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.1 |
| Fed List: | FE (1997-01-29) |
| State List: | None |
| Global Rank: | G2 |
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State Rank: |
S2 |
| Other Status: | SB_CalBG/RSABG; SB_SBBG |
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CRPR Changes: |
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| Add Date: | 1974-01-01 |
| Date Edited: | 2022-06-08 |
| Lifeform: perennial herb | ||||||||||||||
Blooming Period: Jan-Aug
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Elevation:
4 - 640 meters 15 - 2100 feet |
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General Habitats:
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| Microhabitat Details: recent burns or disturbed areas, usually sandstone with carbonate layers | ||||||||||||||
Microhabitat:
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| Threat List Total: | 11 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 29 | 51 % |
| THREAT LIST: | ||
|---|---|---|
| Development | 18 | 31% |
| Improper burning regime | 15 | 26% |
| Road/trail construction/maint. | 15 | 26% |
| Non-native plant impacts | 13 | 22% |
| Other | 11 | 19% |
| Recreational use (non-ORV) | 9 | 15% |
| Foot traffic/trampling | 3 | 5% |
| Wood cutting or brush clearing | 3 | 5% |
| Erosion/runoff | 2 | 3% |
| ORV activity | 2 | 3% |
| Grazing | 1 | 1% |
| Total Occurrences: | 57 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 0 | 10 | 8 | 5 | 5 | 29 |
| Occurrence Status: | |||||
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| Historical >20 Years | 14 | ||||
| Recent <=20 Years | 43 | ||||
| Presence: | |||||
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| Presumed Extant | 52 | ||||
| Possibly Extirpated | 4 | ||||
| Presumed Extirpated | 1 | ||||
| California Endemic: | |||||||||||||
| California Island: | |||||||||||||
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States: Name (Code) California (CA) |
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California Counties and Islands: Name (Code) Los Angeles (LAX), Orange (ORA), Ventura (VEN) |
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Quads: Name (Quad Code) Azusa (3411728), Beverly Hills (3411814)*, Black Star Canyon (3311776), Calabasas (3411826), Camarillo (3411921), Canoga Park (3411825)?*, El Toro (3311766), Hollywood (3411813)*, Malibu Beach (3411816)*, Mt. Wilson (3411821), Newbury Park (3411828), Point Dume (3411817), Point Mugu (3411911), Prado Dam (3311786), Thousand Oaks (3411827), Topanga (3411815), Triunfo Pass (3411818) |
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Notes:
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Presumed Extant
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