Species Details

Collomia larsenii

talus collomia

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Photo of Collomia larsenii
© 2009 Leigh Johnson
Photo of Collomia larsenii
©2006 Julie Kierstead Nelson
Photo of Collomia larsenii
©2016 John Doyen
CA Rare Plant Rank: 2B.2
Fed List: None
State List: None
Global Rank: G4
State Rank:
S2
Other Status: USFS_S
CRPR Changes:
changed from 2.2 to 2B.2 on 2013-06-12
Add Date: 1980-01-01
Date Edited: 2021-11-05
Lifeform: perennial rhizomatous herb
Blooming Period: Jul-Sep(Oct)
JFMAMJJASOND
Elevation:
2210 - 3500 meters
7250 - 11485 feet
General Habitats:
  • Alpine boulder and rock field
  • Closed-cone coniferous forest
  • Subalpine coniferous forest
  • Upper montane coniferous forest
Microhabitat Details:
Microhabitat:
  • Talus
  • Volcanic
Notes:
Known in CA from fewer than five occurrences. Threatened by foot traffic. On watch list in OR.
Threats:
Taxonomy:
Threat List Total: 2
Total EOs % of EOs
EOs with Threat Listed: 2 67 %
THREAT LIST:
Foot traffic/trampling 2 66%
Road/trail construction/maint. 1 33%
Total Occurrences: 3
Element Occurrence Ranks:
A B C D X U
1 1 0 0 0 1
Occurrence Status:
Historical >20 Years 1
Recent <=20 Years 2
Presence:
Presumed Extant 3
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA), Oregon (OR), Washington (WA)
California Counties and Islands: Name (Code)
Shasta (SHA), Siskiyou (SIS)
Quads: Name (Quad Code)
Lassen Peak (4012145), Little Glass Mtn. (4112156), Thousand Lakes Valley (4012165)
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.
Presumed Extant
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