Rarity Status  |
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Occurrence Data from DFG
California Natural Diversity Database  |
- Total # of Known Element Occurrences:
96
- Element Occurrence Ranks:
Population Status:
Historic
>20 yrs |
Recent
<=20 yrs |
| 34 |
62 |
- Presence:
| Present Extant |
Possibly Extirpated |
Extirpated |
| 96 |
0 |
0 |
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Notes  |
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Threatened by development, non-native plants, road construction, and fuel modification. Potentially threatened by frequent wildfires and horticultural collecting. Intergrades with var. weedii; hybridizes with C. plummerae. See Annals of the Missouri Botanical Garden 27(4):519 (1940) for original description.
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To submit rare plant observation data, use the
CNDDB field survey form.
Please see also the CNPS
Rare Plant Data page.
- Date Added:
1994-01-01
- Last Update:
2010-03-15
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Location  |
- Elevation:
105 - 855 meters
- California Endemic:
yes
- States:
California
- California Counties and Islands:
name (code)
Los Angeles (LAX), Orange (ORA), Riverside (RIV), San Bernardino (SBD)
- Quads:
name (DWR code) USGS code
Vail Lake (049B) 33116D8, San Clemente (052A) 33117D5, Dana Point (052B) 33117D6, Winchester (068A) 33117F1, Murrieta (068C) 33117E2, Bachelor Mtn. (068D) 33117E1, Alberhill (069B) 33117F4, Santiago Peak (070A) 33117F5, El Toro (070B) 33117F6, San Juan Capistrano (070C) 33117E6, Canada Gobernadora (070D) 33117E5, Tustin (071A) 33117F7, Laguna Beach (071D) 33117E7, Prado Dam (087B) 33117H6, Black Star Canyon (087C) 33117G6, Corona South (087D) 33117G5, Yorba Linda (088A) 33117H7, La Habra (088B)* 33117H8, Whittier (089A) 33118H1, San Dimas (109D) 34117A7, El Monte (110D) 34118A1
- Notes:
| Definitions of codes preceding a county and/or quad: |
| * |
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Presumed extirpated |
| ? |
| Uncertain about distribution or identity
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| ?* |
| Uncertain about distribution, but presumed extirpated if once present
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| (?) |
| Occurrence confirmed, but possibly extirpated
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Species may be present in other areas where conditions are favorable.
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