CNPS Inventory Plant Detail

Layia jonesii

Common Name:	Jones' layia
Family:	Asteraceae
Synonyms:
Element Code:	PDAST5N090
Full Name:	Layia jonesii Gray
USDA PLANTS Symbol:	LAJO

Biology
Lifeform: annual herb Blooming Period: March - May Habitat: clay or serpentinite. • Chaparral • Valley and foothill grassland

Rarity Status
Rare Plant Rank: 1B.2 Rare, threatened, or endangered in California and elsewhere .2: Fairly endangered in California Federal Listing Status: Not Listed State Listing Status: Not Listed State Rank: S1 S1: Critically Imperiled. Global Rank: G1 G1: Critically Imperiled.

Occurrence Data from DFG
California Natural Diversity Database

Total # of Known Element Occurrences: 13
Element Occurrence Ranks:

A B C D X U

0 2 1 0 0 10

Population Status:

Historic >20 yrs	Recent <=20 yrs
11	2

Presence:

Present Extant	Possibly Extirpated	Extirpated
13	0	0

Notes
Need current information on distribution and rarity. Threatened by grazing, non-native plants, military activities, feral pigs, frequent wildfires, and trampling. To submit rare plant observation data, use the CNDDB field survey form. Please see also the CNPS Rare Plant Data page. Date Added: 1974-01-01 Last Update: 2010-03-15

Location

Elevation: 5 - 400 meters

California Endemic: yes

States: California

California Counties and Islands: name (code)
San Luis Obispo (SLO)

Quads: name (DWR code) USGS code
Pismo Beach (221B) 35120B6, San Luis Obispo (246C) 35120C6, Lopez Mtn. (246D) 35120C5, Morro Bay North (247A) 35120D7, Cayucos (247B) 35120D8, Morro Bay South (247D) 35120C7

Notes:

Definitions of codes preceding a county and/or quad:
*		Presumed extirpated
?		Uncertain about distribution or identity
?*		Uncertain about distribution, but presumed extirpated if once present
(?)		Occurrence confirmed, but possibly extirpated

Species may be present in other areas where conditions are favorable.

Presumed Extant

Presumed Extirpated or Unknown

962

Links to Leading Resources of Taxon Information
USDA PLANTS Calflora CalPhotos Consortium of California Herbaria California Department of Fish and Wildlife: CNDDB Quick Viewer

Suggested Citation
California Native Plant Society (CNPS). Inventory of Rare and Endangered Plants (online edition, v8-02). California Native Plant Society. Sacramento, CA. Accessed on .

-120.625,35.25