Taxon Details

Silene scouleri ssp. scouleri

Scouler's catchfly

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Taxon Summary:

Silene scouleri ssp. scouleri, commonly known as Scouler's catchfly, is a perennial herb in the Caryophyllaceae that is found in California and elsewhere. It occurs within Coastal bluff scrub, Coastal prairie, and Valley and foothill grassland, growing at elevations from 0 to 600 meters. Silene scouleri ssp. scouleri is ranked 2B.2, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Moderately threatened in California.

Classification

Scientific Name: Silene scouleri Hook. ssp. scouleri
Common Name: Scouler's catchfly
Family:	Caryophyllaceae
Element Code:	PDCAR0U1MC
USDA Plants Symbol:	SISCS2
Synonyms/Other Names:
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	2B.2
Fed List:	None
State List:	None
Global Rank:	G5T4T5
State Rank:	S2S3
Other Status:
CRPR Changes: added to 2B.2 on 2017-12-13
Add Date:	2017-12-13
Date Edited:	2021-05-26

Ecology and Life History

Lifeform: perennial herb

Blooming Period: (Mar-May)Jun-Aug(Sep)

Elevation:
0 - 600 meters
0 - 1970 feet

General Habitats:

Coastal bluff scrub
Coastal prairie
Valley and foothill grassland

Microhabitat Details:

Microhabitat:

Notes

Notes: Potentially threatened by habitat loss, foot traffic, and recreational activities. Possibly threatened by herbivory. See Flora Boreali-Americana 1(2):88-89 (1830) for original description, and Revision of the North American Silene 26 (1947) for taxonomic treatment.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	4
	Total EOs	% of EOs
EOs with Threat Listed:	2	9 %
Grazing	1	4%
Non-native plant impacts	1	4%
Other	1	4%
Road/trail construction/maint.	1	4%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					23
A	B	C	D	X	U
0	0	0	0	0	23

Occurrence Status:
Historical >20 Years	15
Recent <=20 Years	8

Presence:
Presumed Extant	23
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

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

California Counties and Islands: Name (Code)
Del Norte (DNT), Humboldt (HUM), Marin (MRN), San Francisco (SFO), San Mateo (SMT), Sonoma (SON)

Quads: Name (Quad Code)
Bodega Head (3812331), Childs Hill (4112461), Drakes Bay (3812218), Eureka (4012472), Franklin Point (3712223), Montara Mountain (3712254), Orick (4112431), Pigeon Point (3712224), Point Bonita (3712275), Requa (4112451), Rodgers Peak (4112421), San Francisco South (3712264), Sister Rocks (4112462), Tomales (3812228), Trinidad (4112412), Valley Ford (3812238)

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