A.B. Seymour and F.S. Earle [1-550, plus extras]
USDA United States National Fungus Collections
s.n.
Melampsora betulina (Pers.) Tul.
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USDA United States National Fungus Collections
s.n.
Melampsora betulina (Pers.) Tul.
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University of Wisconsin-Madison Herbarium
W. J. Beal #s.n. 23 September 1891
Melampsora betulina (Pers.) Tul.
United States, Michigan, Park Lake
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Cornell University Plant Pathology Herbarium
Catalog #: S.E.,Econ.F.0213
W.J. Beal s.n. 23 September 1891
Melampsora betulina G. Winter
United States, Michigan, Osceola, Park Lake
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