M. Raciborski and B. Namyslowski [1-200]
Cornell University Plant Pathology Herbarium
Catalog #: Myco.Polonica-0078
s.n.
Sphaerotheca humuli (DC.) Burrill
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USDA United States National Fungus Collections
s.n.
Dothidella betulina (Fr.) Sacc.
Poland
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USDA United States National Fungus Collections
Raciborski M. s.n. 27 August 1909
Euryachora betulina (Fr.) J. Schröt.
USSR, Lwowem
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