Species Details

Boechera dispar

pinyon rockcress

Download Report Calflora eFlora CCH CalPhotos

Classification

Scientific Name: Boechera dispar (M.E. Jones) Al-Shehbaz
Common Name: pinyon rockcress
Family:	Brassicaceae
Element Code:	PDBRA060F0
USDA Plants Symbol:
Synonyms/Other Names: Arabis dispar

Conservation Status

CA Rare Plant Rank:	2B.3
Fed List:	None
State List:	None
Global Rank:	G3
State Rank:	S3
Other Status:	SB_CalBG/RSABG
CRPR Changes: changed from 2.3 to 2B.3 on 2013-06-12
Add Date:	1994-01-01
Date Edited:	2021-08-25

Ecology and Life History

Lifeform: perennial herb
Blooming Period: Mar-Jun
Elevation: 1200 - 2540 meters 3935 - 8335 feet
General Habitat: Joshua tree "woodland" Mojavean desert scrub Pinyon and juniper woodland
General Micro Habitat:
Micro Habitat: Granitic Gravelly

Notes

Notes: Rare in SBD Co. Threatened by mining, non-native plants, recreational activities, road construction, and vehicles. See Contributions to Western Botany 8:41 (1898) for original description.
Threats:
Taxonomy:
Other:

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					97
A	B	C	D	X	U
1	7	5	0	0	84

Occurrence Status:
Historical >20 Years	32
Recent <=20 Years	65

Presence:
Presumed Extant	97
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA), Nevada (NV)

California Counties and Islands: Name (Code)
Inyo (INY), Mono (MNO), Riverside (RIV), San Bernardino (SBD), Tulare (TUL)

Quads: Name (Quad Code)
Apple Valley South (3411742), Ballarat (3611712), Benton (3711874), Big Bear City (3411637), Big Pine (3711823), Bighorn Canyon (3411635), Bishop (3711834), Blackrock (3611882), Butler Peak (3411731), Cannell Peak (3511873), Casa Diablo Mtn. (3711855), China Gardens (3611725), Chocolate Mtn. (3711748), Coso Peak (3611726), Fish Slough (3711844), Grand View Mine (3411657), Hammil Valley (3711864), Indian Cove (3411612), Jackass Canyon (3611755), Joshua Tree South (3411613), Kearsarge Peak (3611873), Mazourka Peak (3611881), Moonridge (3411627), New York Butte (3611768), Onyx Peak (3411626), Panamint (3611711), Panamint Butte (3611743), Rattlesnake Canyon (3411636), Rimrock (3411625), Rockhouse Basin (3511882), Telescope Peak (3611721), Tinemaha Reservoir (3711812), Toms Place (3711856), Uhlmeyer Spring (3711822), Westgard Pass (3711832), White Dome (3511872), Yucca Valley North (3411624)

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

Print this Map

Counties Quads

CNPS Rare Plant Inventory