Taxon Details

Silene suksdorfii

Cascade alpine campion

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Taxon Summary:

Silene suksdorfii, commonly known as Cascade alpine campion, is a perennial herb in the Caryophyllaceae that is found in California and elsewhere. It occurs within Alpine boulder and rock field, Subalpine coniferous forest, and Upper montane coniferous forest, growing at elevations from 2355 to 3110 meters. Silene suksdorfii is ranked 2B.3, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Not very threatened in California.

Classification

Scientific Name: Silene suksdorfii Rob.
Common Name: Cascade alpine campion
Family:	Caryophyllaceae
Element Code:	PDCAR0U1W0
USDA Plants Symbol:	SISU
Synonyms/Other Names:
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	2B.3
Fed List:	None
State List:	None
Global Rank:	G4
State Rank:	S3
Other Status:	SB_UCSC
CRPR Changes:
Add Date:	1988-01-01
Date Edited:	2022-12-06

Ecology and Life History

Lifeform: perennial herb

Blooming Period: Jul-Sep

Elevation:
2355 - 3110 meters
7725 - 10205 feet

General Habitats:

Alpine boulder and rock field
Subalpine coniferous forest
Upper montane coniferous forest

Microhabitat Details:

Microhabitat:

Rocky
Volcanic

Notes

Notes: Known in CA only from Mt. Shasta and Mt. Lassen. On review list in ID, and watch list in OR. See Bot. Gaz. 16: 44 (1891) for original description and Madroño 34(1):29-40 (1987) for taxonomic discussion.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	1
	Total EOs	% of EOs
EOs with Threat Listed:	1	10 %
Logging	1	10%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					10
A	B	C	D	X	U
0	2	0	0	0	8

Occurrence Status:
Historical >20 Years	9
Recent <=20 Years	1

Presence:
Presumed Extant	10
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA), Idaho (ID), Oregon (OR), Washington (WA)

California Counties and Islands: Name (Code)
Shasta (SHA), Siskiyou (SIS), Tehama (TEH)

Quads: Name (Quad Code)
Lassen Peak (4012145), Manzanita Lake (4012155), McCloud (4112232), Mt. Shasta (4112242), Rainbow Mtn. (4112148)?, Reading Peak (4012144), West Prospect Peak (4012154)

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.

Regional Map

Map

Presumed Extant

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CNPS Rare Plant Inventory