Taxon Details
Astragalus pycnostachyus var. lanosissimus
Ventura Marsh milk-vetch
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© 2007 Nicholas Jensen |
© 2007 Nicholas Jensen |
© David Magney |
Taxon Summary:
Astragalus pycnostachyus var. lanosissimus, commonly known as Ventura Marsh milk-vetch, is a perennial herb in the Fabaceae that is found only in California. It occurs within Coastal dunes, Coastal scrub, Marshes and swamps (edges, coastal salt, and brackish), growing at elevations from 1 to 35 meters. Astragalus pycnostachyus var. lanosissimus is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.|
Scientific Name: Astragalus pycnostachyus Gray var. lanosissimus (Rydb.) Munz & McBurn. |
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Common Name: Ventura Marsh milk-vetch |
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| Family: | Fabaceae | |
| Element Code: | PDFAB0F7B1 | |
| USDA Plants Symbol: | ASPYL | |
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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 (2001-05-21) |
| State List: | CE (2000-04-01) |
| Global Rank: | G2T1 |
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State Rank: |
S1 |
| Other Status: | SB_CalBG/RSABG; SB_SBBG |
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CRPR Changes: |
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| Add Date: | 1974-01-01 |
| Date Edited: | 2025-10-29 |
| Lifeform: perennial herb | ||||||||||||||
Blooming Period: (Jun)Aug-Oct
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Elevation:
1 - 35 meters 5 - 115 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
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Microhabitat:
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Notes: Rediscovered near Oxnard in 1997. Experimental reintroductions underway as of 2003. |
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Threats: Threatened by development, herbivory, cucumber mosaic virus, non-native plants, and hydrological alterations. |
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Taxonomy: See North American Flora 24:357-358 (1929) for original description, and Memoirs of the New York Botanical Garden 13:813 (1964) for taxonomic treatment. |
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| Threat List Total: | 6 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 1 | 14 % |
| THREAT LIST: | ||
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| Development | 1 | 14% |
| Foot traffic/trampling | 1 | 14% |
| Non-native plant impacts | 1 | 14% |
| Other | 1 | 14% |
| Over-collecting/poaching | 1 | 14% |
| Pollution | 1 | 14% |
| Total Occurrences: | 7 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 0 | 0 | 0 | 1 | 6 | 0 |
| Occurrence Status: | |||||
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| Historical >20 Years | 6 | ||||
| Recent <=20 Years | 1 | ||||
| Presence: | |||||
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| Presumed Extant | 1 | ||||
| Possibly Extirpated | 3 | ||||
| Presumed Extirpated | 3 | ||||
| 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) Beverly Hills (3411814), Oxnard (3411922), Pitas Point (3411934), Saticoy (3411932), Seal Beach (3311861)*, Topanga (3411815)*, Venice (3311884)*, Ventura (3411933)* |
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Notes:
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Presumed Extant
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