CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record castilleja_lassenensis - Fri, Nov. 26, 2021 18:09 ET c
Castilleja lassenensis
common nameLassen paintbrush
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life formperennial herb
CA Rare Plant Rank
List 1B.3
LIST 1B: Rare, threatened, or endangered in California and elsewhere.
     0.3: Not very endangered in California
state rank
S3      ranking system key
global rank
G3     G3: 21-80 occurrences or 3,000-10,000 individuals OR 10,000-50,000 acres
CA state listingNone  
federal listingNone  
where found
MAPS - Use v8 link below.

Topographic quads (11):
Westwood East (623C) 4012038, Swain Mountain (624A) 4012141, Chester (624C) 4012132, Mount Harkness (625A) 4012143, Reading Peak (625B) 4012144, Lassen Peak (626A) 4012145, Swains Hole (643A) 4012163, Prospect Peak (643D) 4012153, Thousand Lakes Valley (644A) 4012165, Manzanita Lake (644D) 4012155, Burney (662B) 4012186
quad data info

Counties, states, regions:
Lassen (LAS), Plumas (PLU), Shasta (SHA)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Meadows and seeps (Medws)
•Subalpine coniferous forest (SCFrs)/Volcanic
blooming period Jun-Sep  
elevation range955 - 3120 meters
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.
full nameCastilleja lassenensis Eastw.
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym   Element Code  
Jepson Online Jepson Interchange  Jepson Manual and other resources
Google search
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Suggested citation: California Native Plant Society (CNPS). 2018. Inventory of Rare and Endangered Plants (online edition, v7-18mar). California Native Plant Society. Sacramento, CA. Accessed on Fri, Nov. 26, 2021 from

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