Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to Idaho, western Montana, western Wyoming, Utah, and Nevada.
Habitat: Streambanks and moist fields to mountain meadows and slopes.
Flowers: April-August
Origin: Native
Conservation Status: Not of concern
Pollination: Bees, flies, butterflies, beetles
[none provided]
PNW Herbaria: Specimen records of Ranunculus orthorhynchus var. platyphyllus in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Ranunculus orthorhynchus var. platyphyllus checklist entry
OregonFlora: Ranunculus orthorhynchus var. platyphyllus information
E-Flora BC: Ranunculus orthorhynchus var. platyphyllus atlas page
CalPhotos: Ranunculus orthorhynchus var. platyphyllus photos