Taxon Report

Boechera lincolnensis Windham & Al-Shehbaz

Lincoln rockcress

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Taxon Summary

Boechera lincolnensis, commonly known as Lincoln rockcress, is a perennial herb in the Brassicaceae that is found in California and elsewhere. It occurs within Chenopod scrub, and Mojavean desert scrub, growing at elevations from 1100 to 2705 meters. Boechera lincolnensis is ranked 2B.3, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Not very threatened in California.

  Classification
Scientific Name:
 Boechera lincolnensis Windham & Al-Shehbaz
Common Name:
 Lincoln rockcress
Family: Brassicaceae
Element Code: PDBRA061M3
USDA Plants Symbol:
Synonyms/Other Names:
  • Arabis pulchra var. munciensis

Ecology and Life History
Lifeform: perennial herb
Blooming Period: Mar-May Mar-May
Elevation: 1100-2705 (3610-8875)
General Habitats: Chenopod scrub, Mojavean desert scrub
Microhabitat: Carbonate
Microhabitat Details:

Conservation Status
CA Rare Plant Rank: 2B.3
Global Rank: G4G5
State Rank:
 S3
State List: None
Fed List: None
Other Status: BLM_S
CRPR Changes:
  • changed from 2.3 to 2B.3 on 2013-06-12

Occurrence Data from the CNDDB
Total Occurrences: 14
Element Occurrence Ranks:
   Excellent (A) 0
   Good (B) 0
   Fair (C) 0
   Poor (D) 0
   None (X) 0
   Unknown (U) 14

Location
California Endemic:  False
California Counties and Islands: Name (Code)
Inyo (INY), Riverside (RIV), San Bernardino (SBD)
Quads: Name (Quad Code)
Big Bear City (3411637), Crooked Creek (3711841), Dantes View (3611626), Darwin (3611735), Deep Springs Lake (3711831), Funeral Peak (3611615), Gold Valley (3611616), Horse Thief Springs (3511578), Kingston Peak (3511568), Last Chance Range SW (3711716), Mazourka Peak (3611881), Mormon Point (3611617), Morongo Valley (3411615), Nelson Range (3611756), Rattlesnake Canyon (3411636), Saline Peak (3611786), Shore Line Butte (3511686), Solomons Knob (3511547)

Threat List Data from the CNDDB

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

 

Notes
Similar to B. pulchra. Hybridizes with B. perennans and B. retrofracta. See Arabis pulchra var. munciensis in TJM (1993). See Contributions to Western Botany 14:42 (1912) for original description, and Rhodora 43(511):459-460 (1941) and Harvard Papers in Botany 11(1):61-88 (2006) for taxonomic treatments.
Threats:
Taxonomy:
Similar to B. pulchra. Hybridizes with B. perennans and B. retrofracta. See Arabis pulchra var. munciensis in TJM (1993).

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 5 February 2025].