Rarity Status  |
|
|
Occurrence Data from DFG
California Natural Diversity Database  |
- Total # of Known Element Occurrences:
101
- Element Occurrence Ranks:
Population Status:
Historic
>20 yrs |
Recent
<=20 yrs |
| 76 |
25 |
- Presence:
| Present Extant |
Possibly Extirpated |
Extirpated |
| 89 |
11 |
1 |
|
|
Notes  |
-
Historical occurrences need field surveys. Seriously threatened by development, foot traffic, grazing, non-native plants, military activities, vehicles, road construction, road maintenance, and dumping. Hybridizes with B. filifolia. See Bulletin of the California Academy of Sciences 2:138 (1886) for original description, and University of California Publications in Botany 60:59-61 (1971) 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:
2011-02-08
|
|
|
Location  |
- Elevation:
30 - 1692 meters
- California Endemic:
no
- States:
California, Baja California
- California Counties and Islands:
name (code)
Riverside (RIV), San Diego (SDG)
- Quads:
name (DWR code) USGS code
Morena Reservoir (009A) 32116F5, Barrett Lake (009B) 32116F6, Tecate (009C) 32116E6, Dulzura (010A) 32116F7, Jamul Mountains (010B) 32116F8, Otay Mesa (010C) 32116E8, Mount Laguna (019C) 32116G4, Cuyamaca Peak (020A) 32116H5, Tule Springs (020B) 32116H6, Viejas Mountain (020C) 32116G6, Descanso (020D) 32116G5, El Cajon Mtn. (021A) 32116H7, San Vicente Reservoir (021B) 32116H8, El Cajon (021C) 32116G8, Alpine (021D) 32116G7, Poway (022A) 32117H1, Del Mar (022B) 32117H2, La Jolla (022C) 32117G2, La Mesa (022D) 32117G1, Warners Ranch (033B) 33116B6, Santa Ysabel (033C) 33116A6, Julian (033D) 33116A5, Mesa Grande (034A) 33116B7, Ramona (034D) 33116A7, Valley Center (035A) 33117B1, San Marcos (035B) 33117B2, Rancho Santa Fe (035C) 33117A2, Warner Springs (048C) 33116C6, Boucher Hill (049C) 33116C8, Palomar Observatory (049D) 33116C7, Pechanga (050A) 33117D1, Temecula (050B) 33117D2, Pala (050D) 33117C1, Fallbrook (051A) 33117D3, Margarita Peak (051B)? 33117D4, Murrieta (068C) 33117E2, Sitton Peak (069C) 33117E4, Wildomar (069D) 33117E3
- Notes:
| Definitions of codes preceding a county and/or quad: |
| * |
|
Presumed extirpated |
| ? |
| Uncertain about distribution or identity
|
| ?* |
| Uncertain about distribution, but presumed extirpated if once present
|
| (?) |
| Occurrence confirmed, but possibly extirpated
|
|
Species may be present in other areas where conditions are favorable.
|
|
|
|