Distribution: Occurring west of the Cascade in Washington; British Columbia to northern California, eastern United States, Europe, Australia and Pacific Islands.
Habitat: Disturbed areas, fields and open woods.
Flowers: May-July
Origin: Introduced from Europe
Growth Duration: Annual, Biennial, Perennial
Conservation Status: Not of concern
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PNW Herbaria: Specimen records of Ranunculus sardous in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Ranunculus sardous checklist entry.
OregonFlora: Ranunculus sardous information.
E-Flora BC: Ranunculus sardous atlas page.
CalPhotos: Ranunculus sardous photos.
USDA Plants: Ranunculus sardous information.