Page author: David Giblin
Potentilla biennis
biennial cinquefoil

Distribution: Occurring chiefly east of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains and northern Great Plains.

Habitat: Disturbed areas, typically where moist to wet.

Flowers: May-August

Origin: Native

Growth Duration: Annual, Biennial

Conservation Status: Not of concern

Pollination: Bumblebees, bees, flies, butterflies, beetles, moths, wasps


[none provided]

Accepted Name:
Potentilla biennis Greene
Publication: Fl. Francisc. 65. 1891.

Synonyms & Misapplications:
Potentilla kelseyi Rydb.
Potentilla lateriflora Rydb.
Tridophyllum bienne Greene
Additional Resources:

PNW Herbaria: Specimen records of Potentilla biennis in the Consortium of Pacific Northwest Herbaria database

WA Flora Checklist: Potentilla biennis checklist entry

OregonFlora: Potentilla biennis information

E-Flora BC: Potentilla biennis atlas page

CalPhotos: Potentilla biennis photos

24 photographs:
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