Species Details

Castilleja lassenensis

Lassen paintbrush

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Classification

Scientific Name: Castilleja lassenensis Eastw.
Common Name: Lassen paintbrush
Family:	Orobanchaceae
Element Code:	PDSCR0D4L0
USDA Plants Symbol:
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	1B.3
Fed List:	None
State List:	None
Global Rank:	G3
State Rank:	S3
Other Status:
CRPR Changes: changed from CBR to 1B.3 on 2017-07-18 Considered But Rejected on 2010-03-15
Add Date:	2017-07-18
Date Edited:	2023-08-01

Ecology and Life History

Lifeform: perennial herb

Blooming Period: Jun-Sep

Elevation:
955 - 3120 meters
3135 - 10235 feet

General Habitats:

Meadows and seeps
Subalpine coniferous forest

Microhabitat Details:

Microhabitat:

Volcanic

Notes

Notes: Previously CBR as being a synonym of C. lemmonii; a common taxon. Similar to C. lemmonii; differentiated by floral coloration and in being endemic to volcanic substrates on the flanks of Mt. Lassen versus growing primarily in granitic substrates in the Sierra Nevada. See Leaflets of Western Botany 2:241-245 (1940) for original description, andPhytoneuron 2015-33:1-13 (2015) for taxonomic treatment.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	5
	Total EOs	% of EOs
EOs with Threat Listed:	6	23 %
Logging	3	11%
Other	2	7%
Recreational use (non-ORV)	2	7%
Foot traffic/trampling	2	7%
Altered flood/tidal/hydrologic regime	1	3%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					26
A	B	C	D	X	U
4	4	4	0	1	13

Occurrence Status:
Historical >20 Years	10
Recent <=20 Years	16

Presence:
Presumed Extant	25
Possibly Extirpated	1
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Lassen (LAS), Plumas (PLU), Shasta (SHA), Tehama (TEH)

Quads: Name (Quad Code)
Almanor (4012122), Antelope Mtn. (4012058), Burney (4012186), Burney Mtn. West (4012176), Canyondam (4012121), Chester (4012132), Childs Meadows (4012134), Lassen Peak (4012145), Mt. Harkness (4012143), Pine Creek Valley (4012151), Prospect Peak (4012153), Reading Peak (4012144), Red Cinder (4012142), Swain Mountain (4012141), Thousand Lakes Valley (4012165), West Prospect Peak (4012154), Westwood East (4012038), Westwood West (4012131)

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

Click on quad for name. Hold Shift Key to use mouse scroll wheel

Selected References

CNPS Status Review:	Proposed Addition to CRPR 1B.3, G3 / S3 (2017)
Species Account:	Profile for potential SCC evaluation (2018)