Ranunculus occidentalis var. occidentalis

western buttercup

Rarity

CNPS-EB: B

7 current natural populations

Criteria:
  • Narrow Range in ALA & CCA

Ecology

Flowers March - July
Habitats:
  • Grassland (Annual or Perennial)
  • Woodland

All Ranunculus

  • R. canus var. canus (C)
  • R. lobbii (*A2)
  • R. occidentalis var. occidentalis
  • R. orthorhynchus var. bloomeri (A1x)
  • R. orthorhynchus var. orthorhynchus (A1x)
  • Synonyms

    • Ranunculus occidentalis var. eisenii
    • Ranunculus occidentalis var. rattanii

    Populations

    Key
    LocationPop IDLast RecordedNotes
    Black Diamond - Sommersville12001-03-23
    Concord Naval Weapons Station32008-12-31
    Diablo Foothills Rgnl Park42003-03-10
    Lime Ridge area62001-03-24
    Mt. Diablo State Park - North side52003-03-21
    Mt. Diablo State Park - West side112013-04-19
    Shell Ridge102003-03-11
    Contra Loma Rgnl Park21993-03-14Historic
    Las Trampas Rgnl Wilderness71993-03-21ID Uncertain
    Los Vaqueros Watershed81988-12-31Historic
    Morgan Territory Rgnl Park91994-05-07Historic