Rarity Status  |
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Occurrence Data from DFG
California Natural Diversity Database  |
- Total # of Known Element Occurrences:
36
- Element Occurrence Ranks:
Population Status:
Historic
>20 yrs |
Recent
<=20 yrs |
| 10 |
26 |
- Presence:
| Present Extant |
Possibly Extirpated |
Extirpated |
| 36 |
0 |
0 |
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Notes  |
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Threatened by development, competition with non-native plants, foot traffic, and recreational activities. Potentially threatened by trail construction. May intergrade with var. sparsiflora in the San Francisco Bay area. On review list in OR. See Synoptical Flora of North America 1(2):229 (1884) for original description, and Systematic Botany 17:293-310 (1992) for revised nomenclature.
-
To submit rare plant observation data, use the
CNDDB field survey form.
Please see also the CNPS
Rare Plant Data page.
- Date Added:
1994-01-01
- Last Update:
2010-08-31
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Location  |
- Elevation:
0 - 215 meters
- California Endemic:
no
- States:
California, Oregon
- California Counties and Islands:
name (code)
Del Norte (DNT), Humboldt (HUM), Mendocino (MEN), Marin (MRN), Santa Cruz (SCR), San Francisco (SFO) *, San Mateo (SMT), Sonoma (SON)
- Quads:
name (DWR code) USGS code
Big Basin (408B) 37122B2, San Francisco South (448B)* 37122F4, Montara Mountain (448C) 37122E4, San Mateo (448D) 37122E3, Tomales (485B) 38122B8, Drakes Bay (485C) 38122A8, Inverness (485D) 38122A7, Valley Ford (502C) 38122C8, Duncans Mills (503A) 38123D1, Stewarts Point (520B) 38123F4, Plantation (520D) 38123E3, Point Arena (537B) 38123H6, Saunders Reef (537C) 38123G6, Albion (553A) 39123B7, Fort Bragg (569A) 39123D7, Mendocino (569D) 39123C7, Inglenook (585D) 39123E7, Taylor Peak (636B) 40124D2, Capetown (637A) 40124D3, Petrolia (637D) 40124C3, Ferndale (655D) 40124E3, Eureka (672C) 40124G2, Smith River (740B) 41124H2, Crescent City (740C) 41124G2
- 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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