Clarkia jolonensis
Common Name: Jolon clarkia
Family: Onagraceae
Element Code: PDONA050L0
Full Name: Clarkia jolonensis Parnell

Biology Glossary
Rarity Status Glossary
Occurrence Data from DFG
California Natural Diversity Database Glossary
  • Total # of Known Element Occurrences: 23
  • Element Occurrence Ranks:
    A B C D X U
    0 1 0 0 0 22
  • Population Status:
    >20 yrs
    <=20 yrs
    22 1
  • Presence:
    Present Extant Possibly Extirpated Extirpated
    23 0 0
Notes Glossary
  • Can be confused with C. lewisii. Threatened by grazing. Possibly threatened by foot traffic and non-native plants. See Madroño 20(6):322 (1970) for original description.
  • To submit rare plant observation data, use the CNDDB field survey form. Please see also the CNPS Rare Plant Data page.
  • Date Added: 1980-01-01
  • Last Update: 2010-03-15
Location Glossary
  • Elevation: 20 - 660 meters
  • California Endemic: yes
  • States: California
  • California Counties and Islands:   name (code)
    Monterey (MNT)
  • Quads:   name (DWR code) USGS code
    Hames Valley (294B) 35120H8,  Williams Hill (295A) 35121H1,  Jolon (295B) 35121H2,  Cape San Martin (296B) 35121H4,  San Lucas (318A) 36121B1,  Thompson Canyon (318B) 36121B2,  Cosio Knob (318C) 36121A2,  Espinosa Canyon (318D) 36121A1,  Reliz Canyon (319A) 36121B3,  Junipero Serra Peak (319B) 36121B4,  Cone Peak (319C) 36121A4,  Tassajara Hot Springs (320A) 36121B5,  Partington Ridge (320B) 36121B6,  Pfeiffer Point (320E) 36121B7,  North Chalone Peak (341B) 36121D2,  Soledad (342A) 36121D3,  Sycamore Flat (342C) 36121C4,  Paraiso Springs (342D) 36121C3,  Chews Ridge (343D) 36121C5,  Soberanes Point (344B) 36121D8,  Big Sur (344D) 36121C7,  Monterey (366C) 36121E8,  Seaside (366D) 36121E7
  • 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 164
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 ].

35120H8=Hames Valley (294B) 35120H8;35121H1=Williams Hill (295A) 35121H1;35121H2=Jolon (295B) 35121H2;35121H4=Cape San Martin (296B) 35121H4;36121B1=San Lucas (318A) 36121B1;36121B2=Thompson Canyon (318B) 36121B2;36121A2=Cosio Knob (318C) 36121A2;36121A1=Espinosa Canyon (318D) 36121A1;36121B3=Reliz Canyon (319A) 36121B3;36121B4=Junipero Serra Peak (319B) 36121B4;36121A4=Cone Peak (319C) 36121A4;36121B5=Tassajara Hot Springs (320A) 36121B5;36121B6=Partington Ridge (320B) 36121B6;36121B7=Pfeiffer Point (320E) 36121B7;36121D2=North Chalone Peak (341B) 36121D2;36121D3=Soledad (342A) 36121D3;36121C4=Sycamore Flat (342C) 36121C4;36121C3=Paraiso Springs (342D) 36121C3;36121C5=Chews Ridge (343D) 36121C5;36121D8=Soberanes Point (344B) 36121D8;36121C7=Big Sur (344D) 36121C7;36121E8=Monterey (366C) 36121E8;36121E7=Seaside (366D) 36121E7