Erythronium howellii
Common Name: Howell's fawn lily
Family: Liliaceae
Synonyms:
Element Code: PMLIL0U080
Full Name: Erythronium howellii Wats.
USDA PLANTS Symbol: ERHO10

© 2003 Norman Jensen
Biology Glossary
  • Lifeform: perennial bulbiferous herb
  • Blooming Period: April - May
  • Habitat: sometimes serpentinite.
    • Lower montane coniferous forest
    • North Coast coniferous forest
Rarity Status Glossary
Occurrence Data from DFG
California Natural Diversity Database Glossary
  • Total # of Known Element Occurrences: 8
  • Element Occurrence Ranks:
    A B C D X U
    0 0 0 0 0 8
  • Population Status:
    Historic
    >20 yrs
    Recent
    <=20 yrs
    7 1
  • Presence:
    Present Extant Possibly Extirpated Extirpated
    8 0 0
Notes Glossary
  • Endangered in OR. A synonym of E. citrinum in TJM (1993) and TJM 2. See Proceedings of the American Academy of Arts and Sciences 22:480 (1887) for original description, and Madroño 3(2):89 (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: 2013-02-04
Location Glossary
  • Elevation: 200 - 1145 meters
  • California Endemic: no
  • States: California, Oregon
  • California Counties and Islands:   name (code)
    Del Norte (DNT)
  • Quads:   name (DWR code) USGS code
    Polar Bear Mtn. (738A) 41123H5,  Broken Rib Mtn. (738B) 41123H6,  Shelly Creek Ridge (739A) 41123H7,  High Plateau Mtn. (739B) 41123H8,  Gasquet (739C) 41123G8,  Smith River (740B) 41124H2,  Hiouchi (740D) 41124G1
  • 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 800
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 ].
-123.5,41.875

CA,OR
41123H5=Polar Bear Mtn. (738A) 41123H5;41123H6=Broken Rib Mtn. (738B) 41123H6;41123H7=Shelly Creek Ridge (739A) 41123H7;41123H8=High Plateau Mtn. (739B) 41123H8;41123G8=Gasquet (739C) 41123G8;41124H2=Smith River (740B) 41124H2;41124G1=Hiouchi (740D) 41124G1