Erythronium tuolumnense
Common Name: Tuolumne fawn lily
Family: Liliaceae
Element Code: PMLIL0U0H0
Full Name: Erythronium tuolumnense Appleg.

2014 Belinda Lo
Biology Glossary
  • Lifeform: perennial bulbiferous herb
  • Blooming Period: March - June
  • Habitat:  
    • Broadleafed upland forest
    • Chaparral
    • Cismontane woodland
    • Lower montane coniferous forest
Rarity Status Glossary
Occurrence Data from DFG
California Natural Diversity Database Glossary
  • Total # of Known Element Occurrences: 35
  • Element Occurrence Ranks:
    A B C D X U
    6 9 3 0 0 17
  • Population Status:
    >20 yrs
    <=20 yrs
    16 19
  • Presence:
    Present Extant Possibly Extirpated Extirpated
    35 0 0
Notes Glossary
  • Threatened by logging, vehicles, horticultural collecting, and reforestation with herbicides. Possibly threatened by non-native plants, grazing, and mining. See Contributions from the Dudley Herbarium 1:153 (1930) for original description, and Madroño 3(2):68 (1935) for taxonomic treatment.
  • 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: 2012-07-31
Location Glossary
  • Elevation: 510 - 1365 meters
  • California Endemic: yes
  • States: California
  • California Counties and Islands:   name (code)
    Tuolumne (TUO)
  • Quads:   name (DWR code) USGS code
    Duckwall Mtn. (457A) 37120H1,  Tuolumne (457B) 37120H2,  Standard (458A) 37120H3,  Crandall Peak (474B) 38120B2,  Twain Harte (474C) 38120A2,  Columbia (475C) 38120A4,  Columbia Se (475D) 38120A3
  • 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 802
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 [accessed ].

37120H1=Duckwall Mtn. (457A) 37120H1;37120H2=Tuolumne (457B) 37120H2;37120H3=Standard (458A) 37120H3;38120B2=Crandall Peak (474B) 38120B2;38120A2=Twain Harte (474C) 38120A2;38120A4=Columbia (475C) 38120A4;38120A3=Columbia Se (475D) 38120A3