Taxon Report

Silene salmonacea T.W. Nelson, J.P. Nelson & S.A. Erwin

Klamath Mountain catchfly

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Taxon Summary

Silene salmonacea, commonly known as Klamath Mountain catchfly, is a perennial herb in the Caryophyllaceae that is found only in California. It occurs within Lower montane coniferous forest, growing at elevations from 775 to 1380 meters. Silene salmonacea is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.

Classification


Scientific Name:	Silene salmonacea T.W. Nelson, J.P. Nelson & S.A. Erwin
Common Name:	Klamath Mountain catchfly
Family:	Caryophyllaceae
Element Code:	PDCAR0U2D0
USDA Plants Symbol:	SISA12
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial herb
Blooming Period: (Apr)May-Jul	(Apr)May-Jul
Elevation:	775-1380 (2545-4530)
General Habitats:	Lower montane coniferous forest
Microhabitat:	Openings, Serpentine (usually)
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	4.3
Global Rank:	G3
State Rank:	S3
State List:	None
Fed List:	None
Other Status:	SB_UCSC; USFS_S
CRPR Changes:	changed from 1B.2 to 4.3 on 2025-04-30 added to 1B.2 on 2006-10-31 added to Enter New Value on 2005-03-07

Occurrence Data from the CNDDB


Total Occurrences:	71
Element Occurrence Ranks:
Excellent (A)	3
Good (B)	48
Fair (C)	14
Poor (D)	0
None (X)	0
Unknown (U)	6

Location


California Endemic: True
California Counties and Islands: Name (Code)
Shasta (SHA), Trinity (TRI)
Quads: Name (Quad Code)
Carrville (4112216), Covington Mill (4012287), Damnation Peak (4012285), Papoose Creek (4012276), Rush Creek Lakes (4012278), Tangle Blue Lake (4112226), Trinity Center (4012286), Trinity Dam (4012277), Whisky Bill Peak (4112215), Ycatapom Peak (4112217)

Threat List Data from the CNDDB


Threat List Total:	7
EOs with Threat Listed:	Total EOs	% of EOs
	64	90 %
Logging	58	81%
Road/trail construction/maint.	14	19%
Erosion/runoff	2	2%
Wood cutting or brush clearing	1	1%
Mining	1	1%
ORV activity	1	1%
Recreational use (non-ORV)	1	1%

Notes



May benefit from occasional mild to intermediate disturbance and canopy removal; high severity and high frequency disturbance may be detrimental.
Threats:

Taxonomy:
See Madroño 53(1): 72-76 (2006) for original description.

Selected References

CRPR List Addition on 2005-03-07

CRPR List Addition on 2006-10-31

CRPR List Change on 2025-04-30

USFS Potential Species of Conservation Concern Profile

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 23 May 2025].