Taxon Report

Layia erubescens B. G. Baldwin

blushing layia

Print Report

Taxon Summary

Layia erubescens, commonly known as blushing layia, is a annual herb in the Asteraceae that is . It occurs within Coastal dunes, and Coastal scrub, growing at elevations from 10 to 245 meters. Layia erubescens is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.

Classification


Scientific Name:	Layia erubescens B. G. Baldwin
Common Name:	blushing layia
Family:	Asteraceae
Element Code:	PDAST5N0H0
USDA Plants Symbol:
Synonyms/Other Names:

Ecology and Life History


Lifeform:	annual herb
Blooming Period: (Feb)Mar-May(Jun)	(Feb)Mar-May(Jun)
Elevation:	10-245 (35-805)
General Habitats:	Coastal dunes, Coastal scrub
Microhabitat:	Openings, Sandy
Microhabitat Details:	Prefers loose, fine sand of stabilized dunes and sandhills

Conservation Status


CA Rare Plant Rank:	1B.2
Global Rank:	G2
State Rank:	S2
State List:	None
Fed List:	None
Other Status:
CRPR Changes:	added to 1B.2 on 2023-01-30

Occurrence Data from the CNDDB


Total Occurrences:	36
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	0
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	36

Location


California Endemic: False
California Counties and Islands: Name (Code)
San Luis Obispo (SLO), Santa Barbara (SBA)
Quads: Name (Quad Code)
Arroyo Grande NE (3512025), Casmalia (3412075), Lompoc (3412064), Los Alamos (3412063), Morro Bay South (3512037), Oceano (3512015), Orcutt (3412074), Pismo Beach (3512026), San Luis Obispo (3512036), Santa Maria (3412084), Sisquoc (3412073), Surf (3412065), Zaca Creek (3412062)

Threat List Data from the CNDDB


Threat List Total:	1
EOs with Threat Listed:	Total EOs	% of EOs
	2	6 %
Non-native plant impacts	2	5%

Notes




Threats:
Recreational activities (ORV), invasive species, urbanization, development
Taxonomy:
Populations previously identified as white-rayed L. glandulosa.

Selected References

Proposed Addition to CRPR 1B.2, G2 / S2 (2023)

Madroño 69: 88–94 (2022)

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 27 January 2025].