Sulphur Cinquefoil [Potentilla recta] found off Campbell Road in Hermon, New York, near Trout Lake, on 23 June 2013. It’s a member of the Rose (Rosaceae) family. Newcomb’s Wildflower Guide, pages 240-241, sates that it’s found in summer in dry fields and on roadsides.
USDA Plants Listing: Potentilla recta