Species Details

Castilleja grisea

San Clemente Island paintbrush

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Classification

Scientific Name: Castilleja grisea Dunkle
Common Name: San Clemente Island paintbrush
Family:	Orobanchaceae
Element Code:	PDSCR0D160
USDA Plants Symbol:	CAGR21
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	1B.3
Fed List:	FD (2023-02-24)
State List:	CE (1982-04-01)
Global Rank:	G3
State Rank:	S3
Other Status:	SB_CalBG/RSABG; SB_SBBG
CRPR Changes: changed from 1B.2 to 1B.3 on 2013-02-19
Add Date:	1974-01-01
Date Edited:	2023-06-06

Ecology and Life History

Lifeform: perennial herb (hemiparasitic)

Blooming Period: Feb-Aug(Dec)

Elevation:
10 - 535 meters
35 - 1755 feet

General Habitats:

Coastal bluff scrub
Coastal scrub

Microhabitat Details: often canyons

Microhabitat:

Rocky

Notes

Notes: Federally listed as Endangered on 1977-09-12, then listed as Threatened on 2013-08-26; Delisted due to Recovery on 2023-02-24. Significantly recovering after removal of feral herbivores on SCM Isl. by the Navy. Potentially threatened by Navy activities, frequent fire and fire control measures, erosion, and non-native plants. See Bulletin of the Southern California Academy of Sciences 42:31 (1943) for original description.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	2
	Total EOs	% of EOs
EOs with Threat Listed:	2	5 %
Improper burning regime	2	5%
Erosion/runoff	1	2%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					38
A	B	C	D	X	U
8	16	3	0	3	8

Occurrence Status:
Historical >20 Years	13
Recent <=20 Years	25

Presence:
Presumed Extant	35
Possibly Extirpated	3
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Los Angeles (LAX)

Quads: Name (Quad Code)
San Clemente Island Central (3211874), San Clemente Island North (3211885), San Clemente Island South (3211873)

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 Status Review:	Proposed Rank Change from 1B.2, G3 / S3 to 1B.3, G3 / S3 (2013)
Other:	Recovery Plan for Castilleja grisea (San Clemente Island Paintbrush) (USFWS 1984)

CNPS Rare Plant Inventory