Species Details

Layia jonesii

Jones' layia

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Classification

Scientific Name: Layia jonesii Gray
Common Name: Jones' layia
Family:	Asteraceae
Element Code:	PDAST5N090
USDA Plants Symbol:	LAJO
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	1B.2
Fed List:	None
State List:	None
Global Rank:	G2
State Rank:	S2
Other Status:	BLM_S; SB_SBBG; USFS_S
CRPR Changes:
Add Date:	1974-01-01
Date Edited:	2024-11-05

Ecology and Life History

Lifeform: annual herb

Blooming Period: Mar-May

Elevation:
5 - 400 meters
15 - 1310 feet

General Habitats:

Chaparral
Valley and foothill grassland

Microhabitat Details:

Microhabitat:

Clay (sometimes)
Serpentine (sometimes)

Notes

Notes: Need current information on distribution and rarity. Threatened by grazing, non-native plants, military activities, feral pigs, frequent wildfires, and trampling.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	5
	Total EOs	% of EOs
EOs with Threat Listed:	3	12 %
Grazing	3	12%
Improper burning regime	2	8%
Military operations	2	8%
Non-native plant impacts	2	8%
Feral pigs	2	8%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					25
A	B	C	D	X	U
0	2	1	0	0	22

Occurrence Status:
Historical >20 Years	17
Recent <=20 Years	8

Presence:
Presumed Extant	25
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
San Luis Obispo (SLO)

Quads: Name (Quad Code)
Cambria (3512151), Cayucos (3512048), Lopez Mtn. (3512035), Morro Bay North (3512047), Morro Bay South (3512037), Pismo Beach (3512026), San Luis Obispo (3512036)

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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CNPS Rare Plant Inventory