CNPS Inventory Plant Detail

Draba saxosa

Common Name:	Southern California rock draba
Family:	Brassicaceae
Synonyms:	Draba corrugata var. saxosa
Element Code:	PDBRA110Q2
Full Name:	Draba saxosa Davidson
USDA PLANTS Symbol:	DRCOS

Biology
Lifeform: perennial herb Blooming Period: June - September Habitat: rocky. • Alpine boulder and rock field • Subalpine coniferous forest • Upper montane coniferous forest

Rarity Status
CA Rare Plant Rank: 1B.3 Rare, threatened, or endangered in California and elsewhere .3: Not very endangered in California Federal Listing Status: Not Listed State Listing Status: Not Listed State Rank: S2S3 S2: Imperiled. S3: Vulnerable. Global Rank: G2G3 G2: Imperiled. G3: Vulnerable.

Occurrence Data from DFG
California Natural Diversity Database

Historic >20 yrs	Recent <=20 yrs
3	5

Presence:

Present Extant	Possibly Extirpated	Extirpated
8	0	0

Notes

Known only from the San Jacinto and Santa Rosa mountains. Possibly threatened by recreational activities. See Bulletin of the Southern California Academy of Sciences 19(1):11 (1920) for original description, Bulletin of the Torrey Botanical Club 49(12):352 (1922) for revised nomenclature, and University of Washington Publications in Biology 11:33 (1941) for taxonomic treatment.
To submit rare plant observation data, use the CNDDB field survey form. Please see also the CNPS Rare Plant Data page.
Date Added: 2001-01-01
Last Update: 2010-09-15

Location

Elevation: 2440 - 3600 meters

California Endemic: yes

States: California

California Counties and Islands: name (code)
Riverside (RIV), San Bernardino (SBD)

Quads: name (DWR code) USGS code
Toro Peak (065C) 33116E4, San Jacinto Peak (083C) 33116G6

Notes:

Definitions of codes preceding a county and/or quad:
*		Presumed extirpated
?		Uncertain about distribution or identity
?*		Uncertain about distribution, but presumed extirpated if once present
(?)		Occurrence confirmed, but possibly extirpated

Species may be present in other areas where conditions are favorable.

Presumed Extant

Presumed Extirpated or Unknown

1895

Links to Leading Resources of Taxon Information
USDA PLANTS Calflora CalPhotos Consortium of California Herbaria California Department of Fish and Game: CNDDB Quick Viewer

Suggested Citation
California Native Plant Society (CNPS). Inventory of Rare and Endangered Plants (online edition, v8-01a). California Native Plant Society. Sacramento, CA. Accessed on .

-116.375,33.5