Rarity Status  |
|
|
Occurrence Data from DFG
California Natural Diversity Database  |
- Total # of Known Element Occurrences:
31
- Element Occurrence Ranks:
Population Status:
Historic
>20 yrs |
Recent
<=20 yrs |
| 18 |
13 |
- Presence:
| Present Extant |
Possibly Extirpated |
Extirpated |
| 31 |
0 |
0 |
|
|
Notes  |
-
Threatened by grazing, development, pipeline construction, road construction, and recreational activities. Potentially threatened by vegetation/fuel management and mining. See Journal of Ecology 75:977-995 (1987) for population biology.
-
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:
2011-05-17
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