Petrak, Crypt. Exs.F. Petrak [3201- 4700]
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USDA United States National Fungus Collections
Catalog #: BPI 1042886
s.n.
Puccinia pulverulenta Grev.
Hungary
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USDA United States National Fungus Collections
Catalog #: BPI 094957
Petrak F. s.n. 00 September 1840
Puccinia pulverulenta Grev.
Austria, North Austria, Donau, By Hainburg
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