Species Details

Collomia larsenii

talus collomia

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Photo by © 2009 Leigh Johnson  max-height:128px; max-width:145px;
© 2009 Leigh Johnson
Photo by ©2006 Julie Kierstead Nelson  max-height:128px; max-width:145px;
©2006 Julie Kierstead Nelson
Photo by ©2016 John Doyen  max-height:128px; max-width:145px;
©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)
Elevation:
2210 - 3500 meters
7250 - 11485 feet
General Habitat:
  • Alpine boulder and rock field
  • Closed-cone coniferous forest
  • Subalpine coniferous forest
  • Upper montane coniferous forest
General Micro Habitat:
Micro Habitat:
  • Talus
  • Volcanic
Notes:
Known in CA from fewer than five occurrences. Threatened by foot traffic. On watch list in OR.
Threats:
Taxonomy:
Other:
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.

Map

Presumed Extant
Counties   Quads