Taxon Report

Wislizenia refracta Engelm. ssp. palmeri (A. Gray) S. Keller

Palmer's jackass-clover

Print Report

Taxon Summary

Wislizenia refracta ssp. palmeri is a synonym of Cleomella palmeri (A. Gray) J.C. Hall & Roalson .

Classification


Scientific Name:	Wislizenia refracta Engelm. ssp. palmeri (A. Gray) S. Keller
Common Name:	Palmer's jackass-clover
Family:
Element Code:	PDCPP09015
USDA Plants Symbol:
Synonyms/Other Names:	Cleomella palmeri (A. Gray) J.C. Hall & Roalson

Ecology and Life History


Lifeform:
Blooming Period:
Elevation:	- (-)
General Habitats:
Microhabitat:
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:
Global Rank:	G5T3T5
State Rank:	S1
State List:	None
Fed List:	None
Other Status:
CRPR Changes:

Occurrence Data from the CNDDB


Total Occurrences:	4
Element Occurrence Ranks:
Excellent (A)	1
Good (B)	0
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	3

Location


California Endemic: False
California Counties and Islands: Name (Code)

Quads: Name (Quad Code)

Threat List Data from the CNDDB


Threat List Total:	4
EOs with Threat Listed:	Total EOs	% of EOs
	2	50 %
Development	2	50%
ORV activity	2	50%
Agriculture	1	25%
Groundwater pumping	1	25%

Notes




Threats:

Taxonomy:

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 6 December 2025].