Species Details

Boechera koehleri

Koehler's stipitate rockcress

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Classification

Scientific Name: Boechera koehleri (Howell) Al-Shehbaz
Common Name: Koehler's stipitate rockcress
Family:	Brassicaceae
Element Code:	PDBRA060Z0
USDA Plants Symbol:
Synonyms/Other Names: Arabis koehleri var. stipitata

Conservation Status

CA Rare Plant Rank:	1B.3
Fed List:	None
State List:	None
Global Rank:	G3G4
State Rank:	S3
Other Status:	USFS_S
CRPR Changes:
Add Date:	1988-01-01
Date Edited:	2023-05-02

Ecology and Life History

Lifeform: perennial herb

Blooming Period: (Mar)Apr-Jul

Elevation:
155 - 1660 meters
510 - 5445 feet

General Habitats:

Chaparral
Lower montane coniferous forest

Microhabitat Details:

Microhabitat:

Rocky
Serpentine

Notes

Notes:
Threats: On watch list in OR.
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	5
	Total EOs	% of EOs
EOs with Threat Listed:	8	28 %
Erosion/runoff	3	10%
Road/trail construction/maint.	3	10%
Other	2	6%
Foot traffic/trampling	2	6%
ORV activity	1	3%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					29
A	B	C	D	X	U
4	6	0	0	0	19

Occurrence Status:
Historical >20 Years	19
Recent <=20 Years	10

Presence:
Presumed Extant	29
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

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

California Counties and Islands: Name (Code)
Del Norte (DNT), Siskiyou (SIS)

Quads: Name (Quad Code)
Broken Rib Mtn. (4112386), Devils Punchbowl (4112376), Figurehead Mtn. (4112383), Gasquet (4112378), High Divide (4112481), High Plateau Mtn. (4112388), Hiouchi (4112471), Hurdygurdy Butte (4112377), Kangaroo Mtn. (4112382), Preston Peak (4112375), Shelly Creek Ridge (4112387), Ship Mountain (4112367)

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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Selected References

Revised Nomenclature:	Novon 13(4):381-391 (2003)
Taxonomic Treatment:	Rhodora 43(511):426 (1941)
Species Account:	Boechera koehleri profile for potential Species of Conservation Concern evaluation (2018)