Taxon Details

Collomia tenella

slender collomia

View Report Copy Link Calflora eFlora CCH CalPhotos iNaturalist

Taxon Summary:

Collomia tenella, commonly known as slender collomia, is a annual herb in the Polemoniaceae that is found in California and elsewhere. It occurs within Upper montane coniferous forest, growing at elevations from 2170 to 2170 meters. Collomia tenella is ranked 2B.2, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Moderately threatened in California.

Classification

Scientific Name: Collomia tenella A. Gray
Common Name: slender collomia
Family:	Polemoniaceae
Element Code:	PDPLM02090
USDA Plants Symbol:	COTE
Synonyms/Other Names:
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	2B.2
Fed List:	None
State List:	None
Global Rank:	G4
State Rank:	S1
Other Status:
CRPR Changes: added to 2.2 on 2009-04-17
Add Date:	2009-04-17
Date Edited:	2021-05-26

Ecology and Life History

Lifeform: annual herb

Blooming Period: Jun-Jul

Elevation:
2170 - 2170 meters
7120 - 7120 feet

General Habitats:

Upper montane coniferous forest

Microhabitat Details:

Microhabitat:

Notes

Notes: Possibly threatened by grazing and trampling.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	2
	Total EOs	% of EOs
EOs with Threat Listed:	1	100 %
Foot traffic/trampling	1	100%
Grazing	1	100%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					1
A	B	C	D	X	U
0	0	0	0	0	1

Occurrence Status:
Historical >20 Years	0
Recent <=20 Years	1

Presence:
Presumed Extant	1
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA), Idaho (ID), Nevada (NV), Oregon (OR), Washington (WA), Wyoming (WY)

California Counties and Islands: Name (Code)
Modoc (MOD)

Quads: Name (Quad Code)
Soup Creek (4112033)

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.

Regional Map

Map

Presumed Extant

Click on quad for name. Hold Shift Key to use mouse scroll wheel

CNPS Status Review:	CRPR List Addition on 2009-04-17
Other:	USFS Potential Species of Conservation Concern Profile

CNPS Rare Plant Inventory