P. Sydow and W. Zopf [1-4900]

Chrysler Herbarium - Mycological Collection
Catalog #: CHRB-F-0011759
P. SYdow s.n. 00 September 1895
Microsphaera alni (DC.) G. Winter
Germany, Berlin;

USDA United States National Fungus Collections
Catalog #: BPI 1058144
P. Sydow #s. n. 00 September 1895
Microsphaera alni (DC.) G. Winter
Germany, Berlin