F.B. Wann and W.C. Muenscher [1-100]
Cornell University Plant Pathology Herbarium
Catalog #: Muen.,N.A.M.20
F. B. Wann s.n.
Didymium clavus (Albertini & Schweinitz) Rabenhorst
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University of Wisconsin-Madison Herbarium
F. B. Wann s.n. 09 July 1922
Didymium clavus (Alb. & Schwein.) Rabenh.
United States, New York, Tompkins, Ithaca;
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