Rarity Status  |
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|
Occurrence Data from DFG
California Natural Diversity Database  |
- Total # of Known Element Occurrences:
30
- Element Occurrence Ranks:
Population Status:
Historic
>20 yrs |
Recent
<=20 yrs |
| 21 |
9 |
- Presence:
| Present Extant |
Possibly Extirpated |
Extirpated |
| 20 |
1 |
9 |
|
|
Notes  |
-
Seriously threatened by vehicles, dumping, road maintenance, and urbanization of San Diego mesas. Possibly threatened by non-native plants. See Proceedings of the California Academy of Sciences IV 20:119-120 (1931) 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:
2012-05-15
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