Taxon Details

Boechera rollei

Rolle's rockcress

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Taxon Summary:

Boechera rollei, commonly known as Rolle's rockcress, is a perennial herb in the Brassicaceae that is found in California and elsewhere. It occurs within Upper montane coniferous forest, growing at elevations from 1600 to 1800 meters. Boechera rollei is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.

Classification

Scientific Name: Boechera rollei (Rollins) Al-Shehbaz
Common Name: Rolle's rockcress
Family:	Brassicaceae
Element Code:	PDBRA064H0
USDA Plants Symbol:
Synonyms/Other Names:
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	1B.1
Fed List:	None
State List:	None
Global Rank:	G1
State Rank:	S1
Other Status:	SB_CalBG/RSABG
CRPR Changes: added to 1B.1 on 2011-06-01
Add Date:	2011-06-01
Date Edited:	2023-05-02

Ecology and Life History

Lifeform: perennial herb

Blooming Period: Aug

Elevation:
1600 - 1800 meters
5250 - 5905 feet

General Habitats:

Upper montane coniferous forest

Microhabitat Details: Peridotite rocks on sparsely forested slopes

Microhabitat:

Rocky
Slopes

Notes

Notes: Known from only one occurrence on the divide between the Applegate and Klamath Rivers. See Harvard Papers in Botany 4:43-48 (1993) for original description and Novon 13(4):381-391 (2003) for taxonomic treatment.
Threats:
Taxonomy:

Threat List Data from the CNDDB

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

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					1
A	B	C	D	X	U
0	0	0	0	0	1

Occurrence Status:
Historical >20 Years	1
Recent <=20 Years	0

Presence:
Presumed Extant	1
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA), Oregon (OR)

California Counties and Islands: Name (Code)
Siskiyou (SIS)

Quads: Name (Quad Code)
Kangaroo Mtn. (4112382)

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 Status Review:	Proposed Addition to CRPR 1B.1, G1 / S1 (2011)
Species Account:	Boechera rollei account for potential Species of Conservation Concern evaluation (2021)

CNPS Rare Plant Inventory