Taxon Report

Draba carnosula O.E. Schulz

Mt. Eddy draba

Print Report

Taxon Summary

Draba carnosula, commonly known as Mt. Eddy draba, is a perennial herb in the Brassicaceae that is found only in California. It occurs within Subalpine coniferous forest, and Upper montane coniferous forest, growing at elevations from 1935 to 3000 meters. Draba carnosula is ranked 1B.3, Plants Rare, Threatened or Endangered in California and Elsewhere; Not very threatened in California.

Classification


Scientific Name:	Draba carnosula O.E. Schulz
Common Name:	Mt. Eddy draba
Family:	Brassicaceae
Element Code:	PDBRA112T0
USDA Plants Symbol:	DRCA6
Synonyms/Other Names:	Draba howellii var. carnosula

Ecology and Life History


Lifeform:	perennial herb
Blooming Period: Jul-Aug	Jul-Aug
Elevation:	1935-3000 (6350-9845)
General Habitats:	Subalpine coniferous forest, Upper montane coniferous forest
Microhabitat:	Rocky, Serpentine
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	1B.3
Global Rank:	G2
State Rank:	S2
State List:	None
Fed List:	None
Other Status:	SB_BerrySB; USFS_S
CRPR Changes:

Occurrence Data from the CNDDB


Total Occurrences:	14
Element Occurrence Ranks:
Excellent (A)	2
Good (B)	1
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	11

Location


California Endemic: True
California Counties and Islands: Name (Code)
Del Norte (DNT), Siskiyou (SIS), Trinity (TRI)
Quads: Name (Quad Code)
Ash Creek Butte (4112241), Caribou Lake (4112218), Devils Punchbowl (4112376), Hotlum (4112243), Juniper Flat (4112253), Kangaroo Mtn. (4112382), Mount Eddy (4112234), Mt. Shasta (4112242)?, Preston Peak (4112375), South China Mtn. (4112235), The Whaleback (4112252), West Haight Mtn. (4112251)

Threat List Data from the CNDDB


Threat List Total:	0
EOs with Threat Listed:	Total EOs	% of EOs
	0	%

Notes



Known from fewer than twenty occurrences. Occurrence (type locality) from Mt. Shasta (698B) may be mislocated.
Threats:

Taxonomy:

Selected References

USFS Potential Species of Conservation Concern Profile

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 5 February 2025].