Rarity Status  |
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Occurrence Data from DFG
California Natural Diversity Database  |
- Total # of Known Element Occurrences:
119
- Element Occurrence Ranks:
Population Status:
Historic
>20 yrs |
Recent
<=20 yrs |
| 40 |
79 |
- Presence:
| Present Extant |
Possibly Extirpated |
Extirpated |
| 113 |
4 |
2 |
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Notes  |
-
Many occurrences have few plants. Threatened by competition, grazing, development, marsh habitat loss, logging, road maintenance, and trampling. See Proceedings of the California Academy of Sciences I 2:158 (1861) for original description.
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To submit rare plant observation data, use the
CNDDB field survey form.
Please see also the CNPS
Rare Plant Data page.
- Date Added:
1974-01-01
- Last Update:
2010-03-15
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Location  |
- Elevation:
1 - 405 meters
- California Endemic:
yes
- States:
California
- California Counties and Islands:
name (code)
Mendocino (MEN), Marin (MRN), Santa Cruz (SCR) *, Sonoma (SON)
- Quads:
name (DWR code) USGS code
Felton (408D)* 37122A1, Tomales (485B) 38122B8, Drakes Bay (485C) 38122A8, Inverness (485D) 38122A7, Sebastopol (502A)* 38122D7, Duncans Mills (503A)* 38123D1, Bodega Head (503D)* 38123C1, Warm Springs Dam (519A)* 38123F1, Annapolis (520A) 38123F3, Stewarts Point (520B) 38123F4, Plantation (520D) 38123E3, McGuire Ridge (536C) 38123G4, Eureka Hill (537A) 38123H5, Point Arena (537B) 38123H6, Saunders Reef (537C) 38123G6, Gualala (537D) 38123G5, Navarro (552A) 39123B5, Elk (552B) 39123B6, Mallo Pass Creek (552C) 39123A6, Cold Spring (552D) 39123A5, Albion (553A) 39123B7, Noyo Hill (568B) 39123D6, Mathison Peak (568C) 39123C6, Fort Bragg (569A) 39123D7, Mendocino (569D) 39123C7, Dutchmans Knoll (584C) 39123E6, Inglenook (585D) 39123E7
- Notes:
| Definitions of codes preceding a county and/or quad: |
| * |
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Presumed extirpated |
| ? |
| Uncertain about distribution or identity
|
| ?* |
| Uncertain about distribution, but presumed extirpated if once present
|
| (?) |
| Occurrence confirmed, but possibly extirpated
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Species may be present in other areas where conditions are favorable.
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