Rarity Status  |
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Occurrence Data from DFG
California Natural Diversity Database  |
- Total # of Known Element Occurrences:
16
- Element Occurrence Ranks:
Population Status:
Historic
>20 yrs |
Recent
<=20 yrs |
| 13 |
3 |
- Presence:
| Present Extant |
Possibly Extirpated |
Extirpated |
| 8 |
1 |
7 |
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Notes  |
-
Threatened by agriculture, urbanization, overgrazing, and habitat fragmentation and loss. See Botanical Gazette 16:146 (1891) for original description, American Journal of Botany 69:1082-1095 (1982) for taxonomic treatment, and Conservation Genetics, pp. 1-14 (2011) for information on population genetics.
-
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:
2012-02-14
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Location  |
- Elevation:
30 - 1070 meters
- California Endemic:
yes
- States:
California
- California Counties and Islands:
name (code)
Butte (BUT), Colusa (COL), Fresno (FRE) *, Glenn (GLE), Madera (MAD) *, Merced (MER), Modoc (MOD), Shasta (SHA), San Joaquin (SJQ) *, Stanislaus (STA) *, Tehama (TEH), Tulare (TUL) *
- Quads:
name (DWR code) USGS code
Woodlake (333A)* 36119D1, Clovis (378C)* 36119G6, Round Mountain (378D)* 36119G5, Le Grand (400B) 37120B2, Kismet (400D)* 37120A1, Owens Reservoir (420C) 37120C2, Haystack Mtn. (421A) 37120D3, Planada (421D) 37120C3, Cooperstown (441A)* 37120F5, Paulsell (441B)* 37120F6, Montpelier (441C)* 37120E6, Waterford (442A)* 37120F7, Farmington (460B)* 37120H8, Escalon (460C)* 37120G8, Biggs (560B) 39121D6, Logandale (562B) 39122D2, Hamlin Canyon (576B) 39121F6, Shippee (576C) 39121E6, Llano Seco (577C) 39121E8, Richardson Springs NW (593B) 39121H8, Nord (593C) 39121G8, Vina (594A) 39122H1, Murken Bench (661C) 40121G4, Jellico (661D) 40121G3, Donica Mtn. (694C) 41121C2
- Notes:
| Definitions of codes preceding a county and/or quad: |
| * |
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Presumed extirpated |
| ? |
| Uncertain about distribution or identity
|
| ?* |
| Uncertain about distribution, but presumed extirpated if once present
|
| (?) |
| Occurrence confirmed, but possibly extirpated
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Species may be present in other areas where conditions are favorable.
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