Hesperolinon sharsmithiae
Common Name: Sharsmith’s western flax
Family: Linaceae
Element Code: PDLIN010E0
Full Name: Hesperolinon sharsmithiae R. O’Donnell

Biology Glossary
Rarity Status Glossary
Occurrence Data from DFG
California Natural Diversity Database Glossary
  • Total # of Known Element Occurrences: 32
  • Element Occurrence Ranks:
    A B C D X U
    3 8 4 0 0 17
  • Population Status:
    >20 yrs
    <=20 yrs
    18 14
  • Presence:
    Present Extant Possibly Extirpated Extirpated
    32 0 0
Notes Glossary
  • Threatened by development. Includes plants previously identified as H. tehamense and H. serpentinum ined. Similar to H. bicarpellatum, H. clevelandii, H. disjunctum, and H. tehamense. Not in TJM 2. See Madroño 53(4):404-408 (2006) for original description and The Four Seasons 13(4):1-54 (2010) for additional taxonomic information.
  • To submit rare plant observation data, use the CNDDB field survey form. Please see also the CNPS Rare Plant Data page.
  • Date Added: 2012-12-14
  • Last Update: 2012-12-17
Location Glossary
  • Elevation: 270 - 300 meters
  • California Endemic: yes
  • States: California
  • California Counties and Islands:   name (code)
    Lake (LAK),  Napa (NAP)
  • Quads:   name (DWR code) USGS code
    Capell Valley (499B) 38122D2,  Yountville (500A) 38122D3,  Walter Springs (516A) 38122F3,  Aetna Springs (516B) 38122F4,  St. Helena (516C) 38122E4,  Chiles Valley (516D) 38122E3,  Detert Reservoir (517A) 38122F5,  Jericho Valley (532C) 38122G4,  Lower Lake (533A) 38122H5,  Middletown (533D) 38122G5
  • 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 3634
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 ].

38122D2=Capell Valley (499B) 38122D2;38122D3=Yountville (500A) 38122D3;38122F3=Walter Springs (516A) 38122F3;38122F4=Aetna Springs (516B) 38122F4;38122E4=St. Helena (516C) 38122E4;38122E3=Chiles Valley (516D) 38122E3;38122F5=Detert Reservoir (517A) 38122F5;38122G4=Jericho Valley (532C) 38122G4;38122H5=Lower Lake (533A) 38122H5;38122G5=Middletown (533D) 38122G5