Species Details

Draba incrassata

Sweetwater Mountains draba

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Species Description:

Draba incrassata, commonly known as Sweetwater Mountains draba, is a perennial stoloniferous herb in the Brassicaceae that is found only in California. It occurs within Alpine boulder and rock field, growing at elevations from 2500 to 3965 meters. Draba incrassata is ranked 1B.3, Plants Rare, Threatened or Endangered in California and Elsewhere; Not very threatened in California.

Classification

Scientific Name: Draba incrassata (Roll.) Roll.
Common Name: Sweetwater Mountains draba
Family:	Brassicaceae
Element Code:	PDBRA113G0
USDA Plants Symbol:	DRIN8
Synonyms/Other Names: Draba lemmonii Wats. var. incrassata Roll.
Name Status:	JEP, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	1B.3
Fed List:	None
State List:	None
Global Rank:	G2
State Rank:	S2S3
Other Status:	USFS_S
CRPR Changes:
Add Date:	1980-01-01
Date Edited:	2024-12-03

Ecology and Life History

Lifeform: perennial stoloniferous herb

Blooming Period: Jul-Aug

Elevation:
2500 - 3965 meters
8205 - 13010 feet

General Habitats:

Alpine boulder and rock field (rhyolitic talus)

Microhabitat Details:

Microhabitat:

Notes

Notes:
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	2
	Total EOs	% of EOs
EOs with Threat Listed:	2	12 %
ORV activity	1	5%
Road/trail construction/maint.	1	5%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					17
A	B	C	D	X	U
0	0	0	0	0	17

Occurrence Status:
Historical >20 Years	14
Recent <=20 Years	3

Presence:
Presumed Extant	17
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Mono (MNO)

Quads: Name (Quad Code)
Fales Hot Springs (3811934), 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