Taxon Report

Boechera tularensis Windham & Al-Shehbaz

Tulare rockcress

Print Report

Taxon Summary

Boechera tularensis, commonly known as Tulare rockcress, is a perennial herb in the Brassicaceae that is found only in California. It occurs within Subalpine coniferous forest, and Upper montane coniferous forest, growing at elevations from 1825 to 3350 meters. Boechera tularensis is ranked 1B.3, Plants Rare, Threatened or Endangered in California and Elsewhere; Not very threatened in California.

Classification


Scientific Name:	Boechera tularensis Windham & Al-Shehbaz
Common Name:	Tulare rockcress
Family:	Brassicaceae
Element Code:	PDBRA40130
USDA Plants Symbol:
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial herb
Blooming Period: (May)Jun-Jul(Aug)	(May)Jun-Jul(Aug)
Elevation:	1825-3350 (5990-10990)
General Habitats:	Subalpine coniferous forest, Upper montane coniferous forest
Microhabitat:	Roadsides (sometimes), Rocky, Slopes
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	1B.3
Global Rank:	G3
State Rank:	S3
State List:	None
Fed List:	None
Other Status:	SB_CalBG/RSABG; USFS_S
CRPR Changes:	added to 1B.3 on 2011-07-05

Occurrence Data from the CNDDB


Total Occurrences:	37
Element Occurrence Ranks:
Excellent (A)	2
Good (B)	6
Fair (C)	1
Poor (D)	0
None (X)	0
Unknown (U)	28

Location


California Endemic: True
California Counties and Islands: Name (Code)
El Dorado (ELD), Fresno (FRE), Inyo (INY), Madera (MAD), Mariposa (MPA), Mono (MNO), Tulare (TUL)
Quads: Name (Quad Code)
Bonita Meadows (3611813), Casa Vieja Meadows (3611823), Cedar Grove (3611876), Chagoopa Falls (3611844), Cirque Peak (3611842), Courtright Reservoir (3711818), Crag Peak (3611812), Crystal Crag (3711951), Dogtooth Peak (3711921), El Capitan (3711966), Emerald Bay (3812081), Florence Lake (3711838), Graveyard Peak (3711848), Half Dome (3711965), Johnson Peak (3611843), Kern Peak (3611833), Lundy (3811912), Mammoth Mtn. (3711961), Marion Peak (3611885), Mineral King (3611845), Monache Mountain (3611822), Mount Whitney (3611853), Mt. Abbot (3711847), Mt. Darwin (3711826), Muir Grove (3611867), Slide Bluffs (3611886), Templeton Mtn. (3611832), Ward Mountain (3711828)

Threat List Data from the CNDDB


Threat List Total:	6
EOs with Threat Listed:	Total EOs	% of EOs
	7	19 %
ORV activity	4	10%
Recreational use (non-ORV)	2	5%
Road/trail construction/maint.	1	2%
Foot traffic/trampling	1	2%
Grazing	1	2%
Improper burning regime	1	2%

Notes



Historical occurrences need field surveys. Possibly threatened by vehicles and recreational activities. Similar to B. pinetorum and B. retrofracta. See Harvard Papers in Botany 12(1):235-257 (2007) for original description.
Threats:

Taxonomy:

Selected References

Proposed Addition to CRPR 1B.3, G2 / S2 (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 27 January 2025].