Species Details

Boechera parishii

Parish's rockcress

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Classification

Scientific Name: Boechera parishii (S. Watson) Al-Shehbaz
Common Name: Parish's rockcress
Family:	Brassicaceae
Element Code:	PDBRA061C0
USDA Plants Symbol:
Synonyms/Other Names: Arabis parishii

Conservation Status

CA Rare Plant Rank:	1B.2
Fed List:	None
State List:	None
Global Rank:	G2
State Rank:	S2
Other Status:	SB_CalBG/RSABG; USFS_S
CRPR Changes:
Add Date:	1974-01-01
Date Edited:	2021-08-25

Ecology and Life History

Lifeform: perennial herb

Blooming Period: Apr-May

Elevation:
1770 - 2990 meters
5805 - 9810 feet

General Habitats:

Pebble (Pavement) plain
Pinyon and juniper woodland
Upper montane coniferous forest

Microhabitat Details: quartzite on clay

Microhabitat:

Carbonate (sometimes)
Rocky

Notes

Notes: Known only from the San Bernardino Mtns. Threatened by vehicles, carbonate mining, development, grazing, trampling, non-native plants, and road construction. Possibly threatened by illegal dumping. See Rhodora 43(511):468-469 (1941) for taxonomic treatment.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	11
	Total EOs	% of EOs
EOs with Threat Listed:	25	57 %
ORV activity	19	43%
Development	8	18%
Mining	8	18%
Road/trail construction/maint.	6	13%
Non-native plant impacts	6	13%
Foot traffic/trampling	5	11%
Recreational use (non-ORV)	4	9%
Grazing	3	6%
Non-native animal impacts	2	4%
Wood cutting or brush clearing	2	4%
Vandalism/dumping/litter	1	2%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					44
A	B	C	D	X	U
2	11	3	1	1	26

Occurrence Status:
Historical >20 Years	21
Recent <=20 Years	23

Presence:
Presumed Extant	43
Possibly Extirpated	0
Presumed Extirpated	1

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
San Bernardino (SBD)

Quads: Name (Quad Code)
Big Bear City (3411637), Big Bear Lake (3411628), Butler Peak (3411731), Catclaw Flat (3411616), Fawnskin (3411638), Moonridge (3411627), Onyx Peak (3411626), Rattlesnake Canyon (3411636), San Gorgonio Mtn. (3411617)

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