Taxon Report

Heterotheca shevockii (Semple) Semple

Shevock's golden-aster

Print Report

Taxon Summary

Heterotheca shevockii, commonly known as Shevock's golden-aster, is a perennial herb in the Asteraceae that is found only in California. It occurs within Chaparral, and Cismontane woodland, growing at elevations from 230 to 900 meters. Heterotheca shevockii is ranked 1B.3, Plants Rare, Threatened or Endangered in California and Elsewhere; Not very threatened in California.

Classification


Scientific Name:	Heterotheca shevockii (Semple) Semple
Common Name:	Shevock's golden-aster
Family:	Asteraceae
Element Code:	PDAST4V0T0
USDA Plants Symbol:	HESH4
Synonyms/Other Names:	Heterotheca villosa (Pursh.) Shinn. var. shevockii Semple

Ecology and Life History


Lifeform:	perennial herb
Blooming Period: Aug-Nov	Aug-Nov
Elevation:	230-900 (755-2955)
General Habitats:	Chaparral, Cismontane woodland
Microhabitat:	Sandy
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	1B.3
Global Rank:	G2
State Rank:	S2
State List:	None
Fed List:	None
Other Status:	BLM_S; SB_CalBG/RSABG; USFS_S
CRPR Changes:

Occurrence Data from the CNDDB


Total Occurrences:	9
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	0
Fair (C)	7
Poor (D)	0
None (X)	0
Unknown (U)	2

Location


California Endemic: True
California Counties and Islands: Name (Code)
Kern (KRN)
Quads: Name (Quad Code)
Democrat Hot Springs (3511856), Lake Isabella South (3511854), Miracle Hot Springs (3511855), Mt. Adelaide (3511846), Rio Bravo Ranch (3511847)

Threat List Data from the CNDDB


Threat List Total:	3
EOs with Threat Listed:	Total EOs	% of EOs
	7	78 %
Road/trail construction/maint.	6	66%
Recreational use (non-ORV)	5	55%
Foot traffic/trampling	1	11%

Notes



Known only from the lower Kern River Cyn. in the Greenhorn Mtns. Possibly threatened by road maintenance and recreational activities. A synonym of H. villosa var. shevockii in The Jepson Manual (1993). See Phytologia 73(6):453 (1992) for original description, and University of Waterloo Biology Series 37:148 (1996) for revised nomenclature.
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 12 March 2025].