Mycotheca Marchica #527
P. Sydow and W. Zopf [1-4900]
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USDA United States National Fungus Collections
Catalog #: BPI 1054232
P. Sydow #s. n. 00 July 1884
Ascomyces betulae Magnus
Germany, Grunswald, Berlin
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Iowa State University, Ada Hayden Herbarium
Catalog #: ISC-F-0125358
P. Sydow #s.n. 00 July 1884
Exoascus betulae Fuckel
Germany
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