Petrak, Fl. Bohem. Morav. Exs. PilzeF. Petrak [1-2575]
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University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0066470
F. Petrak #s.n. 00 March 1914
Ceratostoma sperculata
Czech Republic, Mähr-Weisskirchen: Podhorn
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USDA United States National Fungus Collections
Catalog #: BPI 579810
Petrak F. s.n. 00 March 1914
Ceratostoma operculata
Czechoslovakia, Hranice (Maehr.-weisskirchen), Podhorn
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USDA United States National Fungus Collections
Catalog #: BPI 579811
Petrak F. s.n. 00 March 1914
Ceratostoma operculata
Czechoslovakia, Hranice (Maehr.-weisskirchen), Podhorn
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