Potentilla rivalis Nuttall. Brook Five-fingers. Phen: May-Jul. Hab: Along streams and in moist, marshy areas; eastwards adventive in moist, disturbed areas. Dist: Native of n., c., and w. North America, south to c. Mexico.

Origin/Endemic status: Native

Synonymy: = C, FNA9, G, GrPl, K1, K3, K4, NE, Tx; = n/a – Pa; > Potentilla millegrana Engelm. ex Lehm. – F, Il; > Potentilla pentandra Engelm. – F; > Potentilla rivalis Nutt. – F, Il; > Potentilla rivalis Nutt. var. millegrana (Engelm. ex Lehm.) S.Watson

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