CNPS Inventory Plant Detail

Collomia larsenii

Common Name:	talus collomia
Family:	Polemoniaceae
Synonyms:	Collomia debilis var. larsenii
Element Code:	PDPLM02014
Full Name:	Collomia larsenii (Gray) Payson
USDA PLANTS Symbol:	COLA8

Biology
Lifeform: perennial rhizomatous herb Blooming Period: July - October Habitat: volcanic talus. • Alpine boulder and rock field • Closed-cone coniferous forest • Subalpine coniferous forest • Upper montane coniferous forest

Rarity Status
CA Rare Plant Rank: 2.2 Rare, threatened, or endangered in California, but more common elsewhere .2: Fairly endangered in California Federal Listing Status: Not Listed State Listing Status: Not Listed State Rank: S2 S2: Imperiled. Global Rank: G4 G4: Apparently secure, considering populations outside California.

Occurrence Data from DFG
California Natural Diversity Database

Total # of Known Element Occurrences: 3
Element Occurrence Ranks:

A B C D X U

1 1 0 0 0 1

Population Status:

Historic >20 yrs	Recent <=20 yrs
1	2

Presence:

Present Extant	Possibly Extirpated	Extirpated
3	0	0

Notes
Known in CA from fewer than five occurrences. Threatened by foot traffic. On watch list in OR. To submit rare plant observation data, use the CNDDB field survey form. Please see also the CNPS Rare Plant Data page. Date Added: 1980-01-01 Last Update: 2010-03-15

Location

Elevation: 2210 - 3500 meters

California Endemic: no

States: California, Oregon, Washington

California Counties and Islands: name (code)
Shasta (SHA), Siskiyou (SIS)

Quads: name (DWR code) USGS code
Lassen Peak (626A) 40121D5, Thousand Lakes Valley (644A) 40121F5, Manzanita Lake (644D) 40121E5, Little Glass Mtn. (713C) 41121E6

Notes:

Definitions of codes preceding a county and/or quad:
*		Presumed extirpated
?		Uncertain about distribution or identity
?*		Uncertain about distribution, but presumed extirpated if once present
(?)		Occurrence confirmed, but possibly extirpated

Species may be present in other areas where conditions are favorable.

Presumed Extant

Presumed Extirpated or Unknown

125

Links to Leading Resources of Taxon Information
USDA PLANTS Calflora CalPhotos Consortium of California Herbaria California Department of Fish and Game: CNDDB Quick Viewer

Suggested Citation
California Native Plant Society (CNPS). Inventory of Rare and Endangered Plants (online edition, v8-01a). California Native Plant Society. Sacramento, CA. Accessed on .

-121.5,40.625