F. Petrak [1-2100]
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Brown University Herbarium
Catalog #: CBRU00009969
s.n. 00 May 1936
Cercospora personata (Berk. & M.A. Curtis) Ellis
Madagascar
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USDA United States National Fungus Collections
Catalog #: BPI 991081
s.n.
Atopospora betulina (Fr.) Petr.
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Wisconsin State Herbarium, Fungi
Catalog #: WIS-F-0066228
F. Petrak #s.n. 00 April 1925
Atopospora betulina (Fr.) Petr.
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USDA United States National Fungus Collections
Catalog #: BPI 640948
Petrak F. s.n. 00 April 1925
Euryachora betulina (Fr.) J. Schröt.
Czechoslovakia, Moravia, Hranice (Maehr.-weisskirchen)
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