Ellis & Everhart, N. Amer. Fungi. Ser. IIJ.B. Ellis ; B.M. Everhart [1501-3600, plus extras]
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University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0024098
C. L. Shear #s.n. 00 September 1893
Microsphaera alni (DC.) G. Winter
United States, New York, Alcove;
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