Hesperolinon californicum

California dwarf flax
Family:Linaceae

Rarity

CNPS-EB: B

14 current natural populations

Criteria:
  • Limited/Threatened Habitat
  • Narrow Range in ALA & CCA

Ecology

Flowers April - July
Habitats:
  • Grassland (Annual or Perennial)
  • Rock, Tallus, Scree
  • Serpentine or Serpentine-derived soils

All Hesperolinon

  • H. breweri (*A2)
  • H. californicum
  • H. clevelandii (A1)
  • H. disjunctum (A1)
  • H. micranthum (A2)
  • H. tehamense (*A1?)
  • Populations

    Key
    LocationPop IDLast RecordedNotes
    Corral Hollow Area32004-08-31
    Fairmont Ridge, near Lake Chabot142020-06-06
    Lawrence Livermore Lab, Site 300, Corral Hollow42021-12-31
    Lime Ridge area152003-12-31
    Mt. Diablo State Park - North side62022-04-30
    Mt. Diablo State Park - South side92003-06-30
    Mt. Diablo State Park - South side102011-06-19
    Mt. Diablo State Park - West of Mt. Zion72003-06-30
    Mt. Diablo State Park - West side122021-05-19
    Mt. Diablo State Park - West side132006-06-13
    Mt. Diablo State Park - West side192022-06-04
    Ohlone Rgnl Wilderness172020-05-22
    Ohlone Rgnl Wilderness182020-05-23
    Tesla, Corral Hollow22015-03-31
    Corral Hollow Area11939-05-27Historic
    Mt. Diablo State Park - East side51904-06-23Historic
    Mt. Diablo State Park - South side81933-12-31Historic
    Mt. Diablo State Park - South side111999-12-31Historic
    Norris Canyon161976-12-31Historic