Petrak, Crypt. Exs.F. Petrak [3201- 4700]
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USDA United States National Fungus Collections
Catalog #: BPI 1042857
K. Starcs #s.n. 00 October 1938
Oidium chrysanthemi Rabenh.
Latvia, Prov. Vidzeme, Public Garden in Riga
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USDA United States National Fungus Collections
Catalog #: BPI 1042747
K. Starcs #s.n. 00 October 1938
Oidium chrysanthemi Rabenh.
Latvia, Prov. Vidzeme, Public Garden in Riga
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