Species Details

Layia carnosa

beach layia

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Photo of Layia carnosa
© 2007 Aaron Schusteff
Photo of Layia carnosa
© 2013 Robert Sikora
Photo of Layia carnosa
© 2007 Aaron Schusteff
CA Rare Plant Rank: 1B.1
Fed List: FT (2022-05-02)
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: 2023-06-06
Lifeform: annual herb
Blooming Period: Mar-Jul
JFMAMJJASOND
Elevation:
0 - 60 meters
0 - 195 feet
General Habitats:
  • Coastal dunes
  • Coastal scrub (sandy)
Microhabitat Details:
Microhabitat:
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:
Threat List Total: 12
Total EOs % of EOs
EOs with Threat Listed: 23 92 %
THREAT LIST:
Non-native plant impacts 19 76%
Foot traffic/trampling 8 32%
ORV activity 6 24%
Recreational use (non-ORV) 5 20%
Grazing 5 20%
Total Occurrences: 25
Element Occurrence Ranks:
A B C D X U
2 10 6 0 4 3
Occurrence Status:
Historical >20 Years 12
Recent <=20 Years 13
Presence:
Presumed Extant 21
Possibly Extirpated 2
Presumed Extirpated 2
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.
Presumed Extant
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