Biennial Cinquefoil
Potentilla biennis
Synonyms: Potentilla kelseyi, Potentilla lateriflora, Tridophyllum bienne
Biennial cinquefoil blooming along lower Arizona Creek at the eastern base of the Pueblo Mountains of southeastern Oregon..............June 1, 2012.
A close-up image of a trifoliate leaf of biennial cinquefoil as seen along Whitehorse Ranch Road in the Alvord Desert of southeastern Oregon............June 1, 2012.
Paul Slichter