CNPS Inventory Plant Detail

Silene suksdorfii

Common Name:	Cascade alpine campion
Family:	Caryophyllaceae
Synonyms:
Element Code:	PDCAR0U1W0
Full Name:	Silene suksdorfii Rob.
USDA PLANTS Symbol:	SISU

Biology
Lifeform: perennial herb Blooming Period: July - September Habitat: volcanic, rocky. • Alpine boulder and rock field • Subalpine coniferous forest • Upper montane coniferous forest

Rarity Status
CA Rare Plant Rank: 2.3 Rare, threatened, or endangered in California, but more common elsewhere .3: Not very endangered in California Federal Listing Status: Not Listed State Listing Status: Not Listed State Rank: S2.3 S2: Imperiled. .3: No current threats known. Global Rank: G4 G4: Apparently secure, considering populations outside California.

Occurrence Data from DFG
California Natural Diversity Database

Total # of Known Element Occurrences: 8
Element Occurrence Ranks:

A B C D X U

0 0 0 0 0 8

Population Status:

Historic >20 yrs	Recent <=20 yrs
7	1

Presence:

Present Extant	Possibly Extirpated	Extirpated
8	0	0

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. To submit rare plant observation data, use the CNDDB field survey form. Please see also the CNPS Rare Plant Data page. Date Added: 1988-01-01 Last Update: 2010-03-15

Location

Elevation: 2355 - 3110 meters

California Endemic: no

States: California, Idaho, Oregon, Washington

California Counties and Islands: name (code)
Shasta (SHA), Siskiyou (SIS)

Quads: name (DWR code) USGS code
Reading Peak (625B) 40121D4, Lassen Peak (626A) 40121D5, West Prospect Peak (643C) 40121E4, Manzanita Lake (644D) 40121E5, Rainbow Mtn. (697B)? 41121D8, Mt. Shasta (698B) 41122D2, McCloud (698C) 41122C2

Notes:

Definitions of codes preceding a county and/or quad:
*		Presumed extirpated
?		Uncertain about distribution or identity
?*		Uncertain about distribution, but presumed extirpated if once present
(?)		Occurrence confirmed, but possibly extirpated

Species may be present in other areas where conditions are favorable.

Presumed Extant

Presumed Extirpated or Unknown

1476

Links to Leading Resources of Taxon Information
USDA PLANTS Calflora CalPhotos Consortium of California Herbaria California Department of Fish and Game: CNDDB Quick Viewer

Suggested Citation
California Native Plant Society (CNPS). Inventory of Rare and Endangered Plants (online edition, v8-01a). California Native Plant Society. Sacramento, CA. Accessed on .

-121.5,40.5