F. Petrak [1-650]
USDA United States National Fungus Collections
Petrak F. s.n. 25 August 1918
Puccinia centaureae Mart.
USSR, (formerly Poland) Ukraine, Ivano-Frankovsk (Stanislav) Forest Meadows at Czarny Las
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USDA United States National Fungus Collections
Petrak F. s.n. 12 August 1917
Coleosporium tussilaginis (Pers.) Lév.
USSR, Stryj, Bei Podhorce Baumschulen
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