A.L. de Jaczewski [1-350]
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USDA United States National Fungus Collections
Catalog #: BPI 976110
s.n.
Erysiphe communis (Wallr.) Schltdl.
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USDA United States National Fungus Collections
Catalog #: BPI 564221
Jaczewski s.n. 00 August 1895
Erysiphe polygoni DC.
USSR, Rylkowo, near Gjatsk, Smolensk Prov.
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University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0069764
Jaczewski #s.n.
Erysiphe communis (Wallr.) Schltdl.
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