Taxon Report

Rosa woodsii Lindl. var. glabrata (Parish) D. Cole

Cushenbury rose

Print Report

Taxon Summary

Rosa woodsii var. glabrata, commonly known as Cushenbury rose, is a perennial shrub in the Rosaceae that is found only in California. It occurs within Mojavean desert scrub, growing at elevations from 910 to 1435 meters. Rosa woodsii var. glabrata is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.

Classification


Scientific Name:	Rosa woodsii Lindl. var. glabrata (Parish) D. Cole
Common Name:	Cushenbury rose
Family:	Rosaceae
Element Code:	PDROS1J191
USDA Plants Symbol:	ROWOG
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial shrub
Blooming Period: (Apr)May-Aug	(Apr)May-Aug
Elevation:	910-1435 (2985-4710)
General Habitats:	Mojavean desert scrub
Microhabitat:
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	1B.1
Global Rank:	G5T1
State Rank:	S1
State List:	None
Fed List:	None
Other Status:	SB_CalBG/RSABG
CRPR Changes:	added to 1B.1 on 2016-08-26

Occurrence Data from the CNDDB


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

Location


California Endemic: True
California Counties and Islands: Name (Code)
San Bernardino (SBD)
Quads: Name (Quad Code)
Big Bear City (3411637), Cougar Buttes (3411647), Lucerne Valley (3411648)

Threat List Data from the CNDDB


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

Notes



A glabrous variant of R. woodsii ssp. gratissima. See American Midland Naturalis 55(1):223 (1956) for original description and Novon 17(3):341-353 (2007) for taxonomic treatment.
Threats:

Taxonomy:

Selected References

CRPR List Addition on 2016-08-26

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 1 November 2025].