Rarity Status  |
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Occurrence Data from DFG
California Natural Diversity Database  |
- Total # of Known Element Occurrences:
12
- Element Occurrence Ranks:
Population Status:
Historic
>20 yrs |
Recent
<=20 yrs |
| 1 |
11 |
- Presence:
| Present Extant |
Possibly Extirpated |
Extirpated |
| 10 |
0 |
2 |
|
|
Notes  |
-
Seriously threatened by agriculture, urbanization, overgrazing, vehicles, and non-native plants. Protected in part at Phoenix Field ER (DFG). See Bulletin of the Torrey Botanical Club 68(3):155 (1941) for original description, and American Journal of Botany 69:1082-1095 (1982) for taxonomic treatment.
-
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:
2013-05-09
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