Taxon Details

Draba cana

canescent draba

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Taxon Summary:

Draba cana, commonly known as canescent draba, is a perennial herb in the Brassicaceae that is found in California and elsewhere. It occurs within Alpine boulder and rock field, Meadows and seeps, and Subalpine coniferous forest, growing at elevations from 3000 to 3505 meters. Draba cana is ranked 2B.3, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Not very threatened in California.

Classification

Scientific Name: Draba cana Rydb.
Common Name: canescent draba
Family:	Brassicaceae
Element Code:	PDBRA110M0
USDA Plants Symbol:
Synonyms/Other Names: Draba breweri var. cana
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	2B.3
Fed List:	None
State List:	None
Global Rank:	G5
State Rank:	S2
Other Status:
CRPR Changes:
Add Date:	1980-01-01
Date Edited:	2021-12-09

Ecology and Life History

Lifeform: perennial herb

Blooming Period: Jul

Elevation:
3000 - 3505 meters
9845 - 11500 feet

General Habitats:

Alpine boulder and rock field
Meadows and seeps
Subalpine coniferous forest

Microhabitat Details:

Microhabitat:

Carbonate

Notes

Notes: State-listed as Sensitive in WA. A synonym of D. cana in The Jepson Manual. See Bulletin of the Torrey Botanical Club for original description, and Harvard Papers in Botany 4:43-48 (1993) for revised nomenclature.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	2
	Total EOs	% of EOs
EOs with Threat Listed:	2	25 %
Road/trail construction/maint.	2	25%
Mining	1	12%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					8
A	B	C	D	X	U
0	0	0	0	0	8

Occurrence Status:
Historical >20 Years	8
Recent <=20 Years	0

Presence:
Presumed Extant	8
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
Alaska (AK), California (CA), Colorado (CO), Idaho (ID), Maine (ME), Michigan (MI), Minnesota (MN), Montana (MT), Nevada (NV), New Hampshire (NH), New Mexico (NM), South Dakota (SD), Utah (UT), Vermont (VT), Washington (WA), Wisconsin (WI), Wyoming (WY)

California Counties and Islands: Name (Code)
Inyo (INY), Mono (MNO)

Quads: Name (Quad Code)
Bloody Mtn. (3711858), Convict Lake (3711857), Koip Peak (3711972), Mount Dana (3711982), Mt. Abbot (3711847), Mt. Patterson (3811943)

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

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CNPS Rare Plant Inventory