P. Sydow and W. Zopf [1-4900]
Chrysler Herbarium - Mycological Collection
Catalog #: CHRB-F-0011757
P. Sydow s.n. 00 October 1892
Microsphaera alni (DC.) G. Winter
Germany, Berlin;
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USDA United States National Fungus Collections
P. Sydow #s. n. 00 October 1892
Microsphaera alni (DC.) G. Winter
Germany, Berlin, Späth’sche Baumschulen.
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