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

USDA United States National Fungus Collections
Catalog #: BPI 1057162
P. Sydow #s. n. 00 August 1891
Exoascus betulae Fuckel
Germany, Berlin

USDA United States National Fungus Collections
Catalog #: BPI 675507
Sydow P. s.n. 00 June 1891
Taphrina betulae (Fuckel) Johanson
Unknown