Taxon Report

Boechera pinzliae (Rollins) Al-Shehbaz

Pinzl's rockcress

Print Report

Taxon Summary

Boechera pinzliae, commonly known as Pinzl's rockcress, is a perennial herb in the Brassicaceae that is found in California and elsewhere. It occurs within Alpine boulder and rock field, Subalpine coniferous forest (scree, and sandy), growing at elevations from 3000 to 3350 meters. Boechera pinzliae is ranked 1B.3, Plants Rare, Threatened or Endangered in California and Elsewhere; Not very threatened in California.

Classification


Scientific Name:	Boechera pinzliae (Rollins) Al-Shehbaz
Common Name:	Pinzl's rockcress
Family:	Brassicaceae
Element Code:	PDBRA06270
USDA Plants Symbol:
Synonyms/Other Names:	Arabis pinzliae

Ecology and Life History


Lifeform:	perennial herb
Blooming Period: Jul	Jul
Elevation:	3000-3350 (9845-10990)
General Habitats:	Alpine boulder and rock field, Subalpine coniferous forest
Microhabitat:
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	1B.3
Global Rank:	G1G2
State Rank:	S1
State List:	None
Fed List:	None
Other Status:	USFS_S
CRPR Changes:

Occurrence Data from the CNDDB


Total Occurrences:	2
Element Occurrence Ranks:
Excellent (A)	1
Good (B)	1
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	0

Location


California Endemic: False
California Counties and Islands: Name (Code)
Mono (MNO)
Quads: Name (Quad Code)
Boundary Peak (3711873), Mammoth Mtn. (3711961)

Threat List Data from the CNDDB


Threat List Total:	0
EOs with Threat Listed:	Total EOs	% of EOs
	0	%

Notes



Known in CA from only two occurrences. On watch list in NV. See Contributions from the Gray Herbarium 212:110 (1982) for original description, and Madroño 37(1):64 (1990) for first CA record and 47(3):209 (2000) for second CA record.
Threats:

Taxonomy:

Selected References

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 25 October 2025].