Species Details

Layia carnosa

beach layia

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Photo by © 2007 Aaron Schusteff max-height:128px; max-width:145px;

Photo by © 2013 Robert Sikora max-height:128px; max-width:145px;

Classification

Scientific Name: Layia carnosa (Nutt.) T. & G.
Common Name: beach layia
Family:	Asteraceae
Element Code:	PDAST5N010
USDA Plants Symbol:	LACA4
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	1B.1
Fed List:	FT (1992-06-22)
State List:	CE (1990-01-01)
Global Rank:	G2
State Rank:	S2
Other Status:	SB_CalBG/RSABG; SB_SBBG
CRPR Changes:
Add Date:	1988-01-01
Date Edited:	2022-06-08

Ecology and Life History

Lifeform: annual herb
Blooming Period: Mar-Jul
Elevation: 0 - 60 meters 0 - 195 feet
General Habitat: Coastal dunes Coastal scrub (sandy)
General Micro Habitat:
Micro Habitat:

Notes

Notes: Reclassified from federally endangered to threatened on 2022-03-31 due to substantial improvements in the species' overall status since its original listing as endangered in 1992.
Threats: Threatened by coastal development, foot traffic, vehicles, and non-native plants.
Taxonomy:
Other:

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					25
A	B	C	D	X	U
2	10	6	0	4	3

Occurrence Status:
Historical >20 Years	11
Recent <=20 Years	14

Presence:
Presumed Extant	21
Possibly Extirpated	2
Presumed Extirpated	2

Location

California Endemic:

California Island:

States: Name (Code)
California (CA), Oregon (OR)

California Counties and Islands: Name (Code)
Humboldt (HUM), Marin (MRN), Monterey (MNT), San Francisco (SFO)*, San Mateo (SMT), Santa Barbara (SBA)*

Quads: Name (Quad Code)
Cannibal Island (4012463), Casmalia (3412075), Crannell (4112411)*, Drakes Bay (3812218), Eureka (4012472), Fields Landing (4012462), Hunters Point (3712263), Monterey (3612158), Oakland West (3712273), Orick (4112431), Petrolia (4012433), Point Arguello (3412056)*, Point Bonita (3712275), San Francisco North (3712274)*, San Francisco South (3712264), Surf (3412065), Tomales (3812228), Tyee City (4012482)

Notes:

Definitions of codes following a county and/or quad:
*		Presumed extirpated
(?)		Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.

Regional Map

Map

Presumed Extant

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Counties Quads

Selected References

Other:	Reclassification of the Endangered Layia carnosa (Beach Layia) to Threatened With Section 4(d) Rule (Federal Register 2022)
Other:	Seven Coastal Plants and the Myrtle's Silverspot Butterfly Recovery Plan (USFWS 1998)
Other:	Species Status Assessment Report for Beach Layia (Layia carnosa) (USFWS 2018)