Species Details

Castilleja lassenensis

Lassen paintbrush

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Photo of Castilleja lassenensis
©2018 Matt C. Berger
Photo of Castilleja lassenensis
©2018 Matt C. Berger
Photo of Castilleja lassenensis
©2020 Sierra Pacific Industries
Scientific Name:
Castilleja lassenensis Eastw.
Common Name:
Lassen paintbrush
Family: Orobanchaceae
Element Code: PDSCR0D4L0
USDA Plants Symbol:
Synonyms/Other Names:
CA Rare Plant Rank: 1B.3
Fed List: None
State List: None
Global Rank: G3
State Rank:
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: 2021-10-04
Lifeform: perennial herb
Blooming Period: Jun-Sep
955 - 3120 meters
3135 - 10235 feet
General Habitat:
  • Meadows and seeps
  • Subalpine coniferous forest
General Micro Habitat:
Micro Habitat:
  • Volcanic
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.
Total Occurrences: 26
Element Occurrence Ranks:
4 4 4 0 1 13
Occurrence Status:
Historical >20 Years 10
Recent <=20 Years 16
Presumed Extant 25
Possibly Extirpated 1
Presumed Extirpated 0
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)
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.


Presumed Extant
Counties   Quads