Beautiful Cinquefoil, Graceful Cinquefoil, Slender Cinquefoil
Potentilla gracilis var. pulcherrima
Synonyms: Potentilla camporum, Potentilla pulcherrima

What may be beautiful cinquefoil as seen in tall grass at Tin Can Springs on Calamity Butte, Malheur National Forest......July 18, 2010.
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Additional close-up photos of what may be beautiful cinquefoil as seen in tall grass at Tin Can Springs on Calamity Butte, Malheur National Forest.......July 18, 2010.
Paul Slichter