Taxon Details

Silene oregana

Oregon campion

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Photo of Silene oregana
©2019 Matt C. Berger
Photo of Silene oregana
©2012 Gary A. Monroe

Taxon Summary:

Silene oregana, commonly known as Oregon campion, is a perennial herb in the Caryophyllaceae that is found in California and elsewhere. It occurs within Great Basin scrub, and Subalpine coniferous forest, growing at elevations from 1500 to 2500 meters. Silene oregana is ranked 2B.2, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Moderately threatened in California.

Notes:
Potentially threatened by logging, vehicles, and road/trail maintenance. Possibly threatened by grazing and recreational activities. See Proceedings of the American Academy of Arts and Sciences 10:343 (1875) for original description, and University of Washington Publications in Biology 13:29 (1947) for taxonomic treatment.
Threats:
Taxonomy:
Threat List Total: 5
Total EOs % of EOs
EOs with Threat Listed: 16 50 %
THREAT LIST:
Foot traffic/trampling 9 28%
Logging 6 18%
Road/trail construction/maint. 6 18%
Grazing 5 15%
Recreational use (non-ORV) 1 3%
Total Occurrences: 32
Element Occurrence Ranks:
A B C D X U
1 14 2 1 0 14
Occurrence Status:
Historical >20 Years 9
Recent <=20 Years 23
Presence:
Presumed Extant 32
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA), Idaho (ID), Montana (MT), Nevada (NV), Oregon (OR), Utah (UT), Washington (WA), Wyoming (WY)
California Counties and Islands: Name (Code)
Alpine (ALP), Lassen (LAS), Modoc (MOD), Mono (MNO), Shasta (SHA), Tuolumne (TUO)
Quads: Name (Quad Code)
Ambrose Valley (4112027), Davis Creek (4112063), Eagle Peak (4112032), Emerson Peak (4112022), Fredonyer Peak (4012065), Hermit Butte (4112037), Likely (4112025), Manzanita Lake (4012155), Mount Dana (3711982), Pickel Meadow (3811935), Shinn Mtn. (4012062), Sonora Pass (3811936), Soup Creek (4112033), Warren Peak (4112042)
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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