Taxon Report

Silene hookeri Nutt.

Hooker's catchfly

Print Report

Taxon Summary

Silene hookeri, commonly known as Hooker's catchfly, is a perennial herb in the Caryophyllaceae that is found in California and elsewhere. It occurs within Chaparral, Cismontane woodland, and Lower montane coniferous forest, growing at elevations from 150 to 1260 meters. Silene hookeri is ranked 2B.2, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Moderately threatened in California.

Classification


Scientific Name:	Silene hookeri Nutt.
Common Name:	Hooker's catchfly
Family:	Caryophyllaceae
Element Code:	PDCAR0U2M0
USDA Plants Symbol:	SIHO
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial herb
Blooming Period: (Mar)May-Jul	(Mar)May-Jul
Elevation:	150-1260 (490-4135)
General Habitats:	Chaparral, Cismontane woodland, Lower montane coniferous forest
Microhabitat:	Openings (often), Rocky (sometimes), Serpentine (sometimes), Slopes (sometimes)
Microhabitat Details:	Often in grassy openings.

Conservation Status


CA Rare Plant Rank:	2B.2
Global Rank:	G4
State Rank:	S2
State List:	None
Fed List:	None
Other Status:
CRPR Changes:	added to 2B.2 on 2021-07-30

Occurrence Data from the CNDDB


Total Occurrences:	31
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	0
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	31

Location


California Endemic: False
California Counties and Islands: Name (Code)
Del Norte (DNT), Humboldt (HUM), Mendocino (MEN), Siskiyou (SIS), Trinity (TRI)
Quads: Name (Quad Code)
Carberry Creek (4212312), Takilma (4212315), Bark Shanty Gulch (4112345), Broken Rib Mtn. (4112386), Brushy Mtn. (3912352), Clear Creek (4112364), Dillon Mtn. (4112355), Dubakella Mtn. (4012342), Forest Glen (4012333), Gasquet (4112378), Hiouchi (4112471), Huckleberry Mtn. (4112363), Jamison Ridge (3912362), Naufus Creek (4012343), Orleans (4112335), Polar Bear Mtn. (4112385), Somes Bar (4112344), Thompson Peak (4112311), Youngs Peak (4112323)

Threat List Data from the CNDDB


Threat List Total:	2
EOs with Threat Listed:	Total EOs	% of EOs
	2	6 %
Other	1	3%
Wood cutting or brush clearing	1	3%

Notes




Threats:
Potentially threatened by logging. Possibly threatened by vegetation/fuels management.
Taxonomy:

Selected References

Proposed Addition to California Rare Plant Rank 2B.2, G4 / S2

A Flora of North America 1(2): 193 (1838)

Madroño 66(4): 176-193 (2019)

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 27 January 2025].