Rarity Status  |
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Occurrence Data from DFG
California Natural Diversity Database  |
- Total # of Known Element Occurrences:
37
- Element Occurrence Ranks:
Population Status:
Historic
>20 yrs |
Recent
<=20 yrs |
| 11 |
26 |
- Presence:
| Present Extant |
Possibly Extirpated |
Extirpated |
| 36 |
1 |
0 |
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Notes  |
-
Threatened by development, fire suppression, foot traffic, hydrological alterations, non-native plants, road maintenance, vehicles, and water diversions. See Botanical Gazette 12:157 (1887) for original description, and University of California Publications in Botany 55:1-74 (1969) 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:
2010-03-15
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