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Potentilla millegrana Engelm. ex Lehm.
Gordon C. Tucker
U. S. A., West Virginia, Kanawha
13-Aug-1999
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Potentilla norvegica L.
Gordon C. Tucker and Edwin H. Horning
U. S. A., New York, Suffolk
29-Jul-2001
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Potentilla norvegica L.
Gordon C. Tucker and Edwin H. Horning
U. S. A., New York, Suffolk
6-Aug-1998
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Potentilla recta Nutt.
Gordon C. Tucker and Edwin H. Horning
U. S. A., New York, Suffolk
31-Jul-2001