Taxon Details
Acmispon argophyllus var. niveus
Santa Cruz Island bird's-foot trefoil
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Taxon Summary:
Acmispon argophyllus var. niveus, commonly known as Santa Cruz Island bird's-foot trefoil, is a perennial herb in the Fabaceae that is found only in California. It occurs within Chaparral, Coastal bluff scrub, and Coastal scrub, growing at elevations from 5 to 680 meters. Acmispon argophyllus var. niveus is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.|
Scientific Name: Acmispon argophyllus (A. Gray) Brouillet var. niveus (Greene) Brouillet |
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Common Name: Santa Cruz Island bird's-foot trefoil |
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| Family: | Fabaceae | |
| Element Code: | PDFAB2A048 | |
| USDA Plants Symbol: | ||
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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: | 4.3 |
| Fed List: | None |
| State List: | CE (1981-08-01) |
| Global Rank: | G5T3 |
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State Rank: |
S3 |
| Other Status: | SB_CalBG/RSABG |
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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: Mar-Jul(Sep)
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Elevation:
5 - 680 meters 15 - 2230 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
Microhabitat:
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| Threat List Total: | 2 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 4 | 17 % |
| THREAT LIST: | ||
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| Grazing | 3 | 12% |
| Non-native animal impacts | 1 | 4% |
| Total Occurrences: | 24 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 0 | 0 | 0 | 0 | 0 | 24 |
| Occurrence Status: | |||||
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| Historical >20 Years | 24 | ||||
| Recent <=20 Years | 0 | ||||
| Presence: | |||||
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| Presumed Extant | 24 | ||||
| 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) Santa Barbara (SBA), Ventura (VEN) |
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Quads: Name (Quad Code) San Nicolas Island (3311924), Santa Cruz Island A (3311987), Santa Cruz Island B (3311986), Santa Cruz Island C (3311985), Santa Cruz Island D (3311984) |
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Notes:
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Presumed Extant
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