Layia discoidea
Common Name: rayless layia
Family: Asteraceae
Synonyms:
Element Code: PDAST5N030
Full Name: Layia discoidea Keck
USDA PLANTS Symbol: LADI4

© 2005 David A. Tharp
Biology Glossary
  • Lifeform: annual herb
  • Blooming Period: May
  • Habitat: serpentinite, talus and alluvial terraces.
    • Chaparral
    • Cismontane woodland
    • Lower montane coniferous forest
Rarity Status Glossary
Occurrence Data from DFG
California Natural Diversity Database Glossary
  • Total # of Known Element Occurrences: 20
  • Element Occurrence Ranks:
    A B C D X U
    1 2 0 0 0 17
  • Population Status:
    Historic
    >20 yrs
    Recent
    <=20 yrs
    20 0
  • Presence:
    Present Extant Possibly Extirpated Extirpated
    20 0 0
Notes Glossary
  • Threatened by vehicles, and possibly by alteration of fire regimes. Similar to L. glandulosa. See Aliso 4:101-104 (1958) for original description.
  • 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 Glossary
  • Elevation: 795 - 1585 meters
  • California Endemic: yes
  • States: California
  • California Counties and Islands:   name (code)
    Fresno (FRE),  San Benito (SBT)
  • Quads:   name (DWR code) USGS code
    Idria (339B) 36120D6,  San Benito Mtn. (339C) 36120C6,  Santa Rita Peak (339D) 36120C5,  Hepsedam Peak (340D) 36120C7
  • 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 961
Links to Leading Resources of Taxon Information
Suggested Citation
CNPS, Rare Plant Program. . Inventory of Rare and Endangered Plants (online edition, v8-02). California Native Plant Society, Sacramento, CA. Website http://www.rareplants.cnps.org [accessed ].
-120.5,36.25

CA
36120D6=Idria (339B) 36120D6;36120C6=San Benito Mtn. (339C) 36120C6;36120C5=Santa Rita Peak (339D) 36120C5;36120C7=Hepsedam Peak (340D) 36120C7