F. Petrak [1-2100]
USDA United States National Fungus Collections
Petrak F. s.n. 00 September 1939
Ustilago longissima (Sowerby) Meyen
Austria, Lower Danube, Klosterneuberg
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USDA United States National Fungus Collections
Petrak F. s.n. 00 September 1939
Ustilago longissima (Sowerby) Meyen
Austria, Lower Danube, Klosterneuberg
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Charles Gardner Shaw Mycological Herbarium, Washington State University
Petrak, F. s.n. 00 July 1912
Ustilago longissima (Sowerby) Meyen
Czechoslovakia, East Moravia
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