Taxon Report

Boechera koehleri (Howell) Al-Shehbaz

Koehler's stipitate rockcress

Print Report


©2019 Dana York

  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

Ecology and Life History
Lifeform: perennial herb
Blooming Period: (Mar)Apr-Jul (Mar)Apr-Jul
Elevation: 155-1660 (510-5445)
General Habitats: Chaparral, Lower montane coniferous forest
Microhabitat: Rocky, Serpentine
Microhabitat Details:

Conservation Status
CA Rare Plant Rank: 1B.3
Global Rank: G3G4
State Rank:
 S3
State List: None
Fed List: None
Other Status: USFS_S
CRPR Changes:

Occurrence Data from the CNDDB
Total Occurrences: 29
Element Occurrence Ranks:
   Excellent (A) 4
   Good (B) 6
   Fair (C) 0
   Poor (D) 0
   None (X) 0
   Unknown (U) 19

Location
California Endemic:  False
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)

Threat List Data from the CNDDB

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

Notes
Threats:
On watch list in OR.
Taxonomy:

Selected References

Novon 13(4):381-391 (2003)
Rhodora 43(511):426 (1941)
Boechera koehleri profile for potential Species of Conservation Concern evaluation (2018)
Citation California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 25 December 2024].