Rarity Status  |
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Occurrence Data from CDFW
California Natural Diversity Database  |
- Total # of Known Element Occurrences:
5
- Element Occurrence Ranks:
Population Status:
Historic
>20 yrs |
Recent
<=20 yrs |
1 |
4 |
- Presence:
Present Extant |
Possibly Extirpated |
Presumed Extirpated |
4 |
1 |
0 |
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Notes  |
- Known only from the vicinity of Crystal Springs Reservoir. Seriously threatened by urbanization, foot traffic, dumping, road maintenance, non-native plants, and hydrological alterations. See Bulletin of the California Academy of Sciences 2:151-152 (1886) for original description.
-
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:
2015-01-07
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