Rarity Status  |
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Occurrence Data from DFG
California Natural Diversity Database  |
- Total # of Known Element Occurrences:
49
- Element Occurrence Ranks:
Population Status:
Historic
>20 yrs |
Recent
<=20 yrs |
| 32 |
17 |
- Presence:
| Present Extant |
Possibly Extirpated |
Extirpated |
| 42 |
4 |
3 |
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Notes  |
-
May be more widespread; need information. Need quads for COL Co. Threatened by development, habitat alteration, road construction, and agriculture. Potentially threatened by non-native plants. See Madroño 8(6):198 (1946) for original description, and Novon 3(4):331-340 (1993) for revised nomenclature.
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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:
2012-06-15
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Location  |
- Elevation:
5 - 1740 meters
- California Endemic:
yes
- States:
California
- California Counties and Islands:
name (code)
Colusa (COL), Glenn (GLE), Lake (LAK), Lassen (LAS), Mendocino (MEN), Marin (MRN), Napa (NAP), Solano (SOL), Sonoma (SON), Sutter (SUT), Tehama (TEH), Yolo (YOL)
- Quads:
name (DWR code) USGS code
San Rafael (467A) 37122H5, Petaluma River (484A) 38122B5, Saxon (497B) 38121D6, Allendale (498B) 38121D8, Elmira (498C) 38121C8, Dozier (498D) 38121C7, Kenwood (501A) 38122D5, Santa Rosa (501B) 38122D6, Sebastopol (502A) 38122D7, null (514C) 38121E8, St. Helena (516C) 38122E4, Mark West Springs (517C) 38122E6, Calistoga (517D) 38122E5, Healdsburg (518D) 38122E7, Lower Lake (533A) 38122H5, Clearlake Highlands (533B) 38122H6, Whispering Pines (533C) 38122G6, Middletown (533D) 38122G5, Arbuckle (546D) 39122A1, Pennington (561D) 39121C7, Redwood Valley (566C) 39123C2, Willits (567A) 39123D3, Laughlin Range (567D) 39123C3, Willows (578C) 39122E2, Longvale (583C) 39123E4, Kirkwood (594C) 39122G2, Pine Creek Valley (642D) 40121E1
- 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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