Calochortus tiburonensis
Common Name: Tiburon mariposa lily
Family: Liliaceae
Synonyms:
Element Code: PMLIL0D1C0
Full Name: Calochortus tiburonensis Hill
USDA PLANTS Symbol: CATI3

© Rick York and CNPS
Biology Glossary
Rarity Status Glossary
Occurrence Data from DFG
California Natural Diversity Database Glossary
  • Total # of Known Element Occurrences: 1
  • Element Occurrence Ranks:
    A B C D X U
    1 0 0 0 0 0
  • Population Status:
    Historic
    >20 yrs
    Recent
    <=20 yrs
    0 1
  • Presence:
    Present Extant Possibly Extirpated Extirpated
    1 0 0
Notes Glossary
  • Known from only one occurrence at Ring Mtn. Preserve on the Tiburon Peninsula. Threatened by recreational activities and non-native plants. Potentially threatened by deer browsing. See Madroño 22(2):100-104 (1973) for original description, and Journal of Ecology 75:977-995 (1987) for population biology.
  • 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: 50 - 150 meters
  • California Endemic: yes
  • States: California
  • California Counties and Islands:   name (code)
    Marin (MRN)
  • Quads:   name (DWR code) USGS code
    San Quentin (466B) 37122H4
  • 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 54
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 ].
-122.375,37.875

CA
37122H4=San Quentin (466B) 37122H4