Petrak, Crypt. Exs.F. Petrak [3201- 4700]
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USDA United States National Fungus Collections
Catalog #: BPI 1042570
s.n.
Titaeosporina avellanae Petr.
Germany
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USDA United States National Fungus Collections
Catalog #: BPI 1042641
s.n.
Titaeosporina avellanae Petr.
Germany
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University of California Berkeley, University Herbarium
Catalog #: UC728018
F. Petrak s.n. 00 September 1940
Asteroma coryli (Fuckel) B. Sutton
Austria, Pfaffstatten and Gumpoldskirchen prope urbem Wien
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