Taxon Report

Boechera shevockii Windham & Al-Shehbaz

Shevock's rockcress

Print Report

Taxon Summary

Boechera shevockii, commonly known as Shevock's rockcress, is a perennial herb in the Brassicaceae that is found only in California. It occurs within Upper montane coniferous forest, growing at elevations from 2470 to 2500 meters. Boechera shevockii is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.

Classification


Scientific Name:	Boechera shevockii Windham & Al-Shehbaz
Common Name:	Shevock's rockcress
Family:	Brassicaceae
Element Code:	PDBRA40120
USDA Plants Symbol:
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial herb
Blooming Period: Jun-Jul	Jun-Jul
Elevation:	2470-2500 (8105-8205)
General Habitats:	Upper montane coniferous forest
Microhabitat:	Granitic
Microhabitat Details:	rocky outcrop ledges

Conservation Status


CA Rare Plant Rank:	1B.1
Global Rank:	G1
State Rank:	S1
State List:	None
Fed List:	None
Other Status:	USFS_S
CRPR Changes:	added to 1B.1 on 2011-05-06

Occurrence Data from the CNDDB


Total Occurrences:	1
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	0
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	1

Location


California Endemic: True
California Counties and Islands: Name (Code)
Tulare (TUL)
Quads: Name (Quad Code)
Durrwood Creek (3611814)

Threat List Data from the CNDDB


Threat List Total:	2
EOs with Threat Listed:	Total EOs	% of EOs
	1	100 %
Foot traffic/trampling	1	100%
Recreational use (non-ORV)	1	100%

Notes



Known from only one occurrence on the Needles in Sequoia NF.
Threats:
Possibly threatened by recreational activities. Similar to B. davidsonii.
Taxonomy:
See Harvard Papers in Botany 11(1):61-88 (2006) for original description.

Selected References

Proposed Addition to CRPR 1B.1, G1 / S1 (2011)

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 30 October 2025].