Taxon Details

Silene occidentalis ssp. occidentalis

Western campion

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Photo of Silene occidentalis ssp. occidentalis
©2011 Sierra Pacific Industries

Taxon Summary:

Silene occidentalis ssp. occidentalis, commonly known as Western campion, is a perennial herb in the Caryophyllaceae that is found only in California. It occurs within Chaparral, Lower montane coniferous forest, and Upper montane coniferous forest, growing at elevations from 1030 to 2090 meters. Silene occidentalis ssp. occidentalis is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.

Scientific Name:
Silene occidentalis S. Watson ssp. occidentalis
Common Name:
Western campion
Family: Caryophyllaceae
Element Code: PDCAR0U162
USDA Plants Symbol: SIOCO
Synonyms/Other Names:
Name Status: JEF, FNA, POWO,
IPNI, Tropicos
Lifeform: perennial herb
Blooming Period: Jun-Aug
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Elevation:
1030 - 2090 meters
3380 - 6855 feet
General Habitats:
  • Chaparral
  • Lower montane coniferous forest
  • Upper montane coniferous forest
Microhabitat Details:
Microhabitat:
  • Dry
  • Openings
  • Rocky (sometimes)
Notes:
Possibly threatened by grazing. A synonym of S. occidentalis in TJM 2.
Threats:
Taxonomy:
Total Occurrences: 0
Element Occurrence Ranks:
A B C D X U
0 0 0 0 0 0
Occurrence Status:
Historical >20 Years 0
Recent <=20 Years 0
Presence:
Presumed Extant 0
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Butte (BUT), Lassen (LAS), Nevada (NEV), Plumas (PLU), Shasta (SHA), Tehama (TEH)
Quads: Name (Quad Code)
Antelope Mtn. (4012058), Bullard Lake (4012078), Graniteville (3912046), Grays Peak (4012146), Jonesville (4012114), Manton (4012147), Pegleg Mtn. (4012048), Pondosa (4112126), Storrie (3912183), Swain Mountain (4012141), Viola (4012156), West Prospect Peak (4012154), Westwood West (4012131)
Notes:
Definitions of codes following a county and/or quad:
* Presumed extirpated
(?) Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.
Presumed Extant
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