Taxon Report

Layia discoidea Keck

rayless layia

Print Report


© 2010 Aaron Schusteff

  Classification

Scientific Name:
Layia discoidea Keck
Common Name:
rayless layia
Family: Asteraceae
Element Code: PDAST5N030
USDA Plants Symbol: LADI4
Synonyms/Other Names:

Ecology and Life History

Lifeform: annual herb
Blooming Period: May May
Elevation: 795-1585 (2610-5200)
General Habitats: Chaparral, Cismontane woodland, Lower montane coniferous forest
Microhabitat: Alluvial Terraces, Serpentine, Talus
Microhabitat Details:

Occurrence Data from the CNDDB

Total Occurrences: 43
Element Occurrence Ranks:
   Excellent (A) 8
   Good (B) 21
   Fair (C) 0
   Poor (D) 0
   None (X) 0
   Unknown (U) 14
California Endemic:  True
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)

Threat List Data from the CNDDB

Threat List Total: 2
EOs with Threat Listed: Total EOs % of EOs
3 7 %
ORV activity 3 6%
Recreational use (non-ORV) 2 4%

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:
Citation California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 25 December 2024].