M. Raciborski and B. Namyslowski [1-200]
Cornell University Plant Pathology Herbarium
Catalog #: Myco.Polonica-0097
s.n.
Erysiphe cruchetiana S. Blumer
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USDA United States National Fungus Collections
s.n.
Helminthosporium gracile Wallr.
Poland
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USDA United States National Fungus Collections
Raciborski M. s.n. 18 September 1909
Heterosporium gracile (Wallr.) Sacc.
USSR, formerly Poland Ukraine, Dublyany
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