Species Details

Layia discoidea

rayless layia

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Photo of Layia discoidea
© 2010 Aaron Schusteff
Photo of Layia discoidea
© 2010 Aaron Schusteff
Photo of Layia discoidea
© 2010 Aaron Schusteff
Lifeform: annual herb
Blooming Period: May
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Elevation:
795 - 1585 meters
2610 - 5200 feet
General Habitats:
  • Chaparral
  • Cismontane woodland
  • Lower montane coniferous forest
Microhabitat Details:
Microhabitat:
  • Alluvial Terraces
  • Serpentine
  • Talus
Notes:
Threatened by vehicles, and possibly by alteration of fire regimes. Similar to L. glandulosa. See Aliso 4:101-104 (1958) for original description.
Threats:
Taxonomy:
Threat List Total: 2
Total EOs % of EOs
EOs with Threat Listed: 3 7 %
THREAT LIST:
ORV activity 3 6%
Recreational use (non-ORV) 2 4%
Total Occurrences: 43
Element Occurrence Ranks:
A B C D X U
8 21 0 0 0 14
Occurrence Status:
Historical >20 Years 13
Recent <=20 Years 30
Presence:
Presumed Extant 43
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Fresno (FRE), San Benito (SBT)
Quads: Name (Quad Code)
Ciervo Mtn. (3612045), Hepsedam Peak (3612037), Hernandez Reservoir (3612047), Idria (3612046), San Benito Mtn. (3612036), Santa Rita Peak (3612035)
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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