Clarkia gracilis ssp. albicaulis
Common Name: white-stemmed clarkia
Family: Onagraceae
Element Code: PDONA050J1
Full Name: Clarkia gracilis (Piper) Nels. & Macbr. ssp. albicaulis (Jeps.) Lewis & Lewis

2011 Vernon Smith
Biology Glossary
Rarity Status Glossary
Occurrence Data from DFG
California Natural Diversity Database Glossary
  • Total # of Known Element Occurrences: 31
  • Element Occurrence Ranks:
    A B C D X U
    4 8 2 0 0 17
  • Population Status:
    >20 yrs
    <=20 yrs
    14 17
  • Presence:
    Present Extant Possibly Extirpated Extirpated
    31 0 0
Notes Glossary
  • Known from fewer than twenty occurrences. Threatened by urbanization and non-native plants. Possibly threatened by erosion. See University of California Publications in Botany 2:239 (1907) for original description and 20:241-392 (1955) 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: 1994-01-01
  • Last Update: 2010-03-15
Location Glossary
  • Elevation: 245 - 1085 meters
  • California Endemic: yes
  • States: California
  • California Counties and Islands:   name (code)
    Butte (BUT),  Lake (LAK),  Tehama (TEH)
  • Quads:   name (DWR code) USGS code
    Berry Creek (575B) 39121F4,  Forbestown (575D) 39121E3,  Cherokee (576A) 39121F5,  Pulga (591C) 39121G4,  Cohasset (592B) 39121H6,  Paradise West (592C) 39121G6,  Paradise East (592D) 39121G5,  Richardson Springs (593D) 39121G7,  Paskenta (596A) 39122H5,  Barkley Mtn. (608B) 40121B6,  Devils Parade Ground (608C) 40121A6,  Butte Meadows (608D) 40121A5
  • 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 1631
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 ].

39121F4=Berry Creek (575B) 39121F4;39121E3=Forbestown (575D) 39121E3;39121F5=Cherokee (576A) 39121F5;39121G4=Pulga (591C) 39121G4;39121H6=Cohasset (592B) 39121H6;39121G6=Paradise West (592C) 39121G6;39121G5=Paradise East (592D) 39121G5;39121G7=Richardson Springs (593D) 39121G7;39122H5=Paskenta (596A) 39122H5;40121B6=Barkley Mtn. (608B) 40121B6;40121A6=Devils Parade Ground (608C) 40121A6;40121A5=Butte Meadows (608D) 40121A5