Taxon Report

Layia leucopappa Keck

Comanche Point layia

Print Report

Taxon Summary

Layia leucopappa, commonly known as Comanche Point layia, is a annual herb in the Asteraceae that is found only in California. It occurs within Chenopod scrub, and Valley and foothill grassland, growing at elevations from 100 to 350 meters. Layia leucopappa is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.

Classification


Scientific Name:	Layia leucopappa Keck
Common Name:	Comanche Point layia
Family:	Asteraceae
Element Code:	PDAST5N0A0
USDA Plants Symbol:	LALE3
Synonyms/Other Names:

Ecology and Life History


Lifeform:	annual herb
Blooming Period: Mar-Apr	Mar-Apr
Elevation:	100-350 (330-1150)
General Habitats:	Chenopod scrub, Valley and foothill grassland
Microhabitat:
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	1B.1
Global Rank:	G1
State Rank:	S1
State List:	None
Fed List:	None
Other Status:	BLM_S; SB_SBBG
CRPR Changes:

Occurrence Data from the CNDDB


Total Occurrences:	10
Element Occurrence Ranks:
Excellent (A)	1
Good (B)	0
Fair (C)	1
Poor (D)	0
None (X)	1
Unknown (U)	7

Location


California Endemic: True
California Counties and Islands: Name (Code)
Kern (KRN)
Quads: Name (Quad Code)
Arvin (3511827), Bena (3511836), Coal Oil Canyon (3511911), Edison (3511837), Lamont (3511838), Mt. Adelaide (3511846), Oil Center (3511848), Rio Bravo Ranch (3511847), Tejon Hills (3511817)

Threat List Data from the CNDDB


Threat List Total:	3
EOs with Threat Listed:	Total EOs	% of EOs
	4	40 %
Agriculture	3	30%
Development	1	10%
Grazing	1	10%

Notes



Reduced by agriculture; also threatened by development and grazing.
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 30 January 2025].