J.E. Kabat and F. Bubak [1-900]
University of Wisconsin-Madison Herbarium
G. Lindau #s.n. 00 August 1908
Oidium quercinum Thüm.
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USDA United States National Fungus Collections
Lindau G. s.n. 00 August 1908
Oidium quercinum Thüm.
Germany, Kreuznach
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USDA United States National Fungus Collections
Lindau G. s.n. 00 August 1908
Oidium quercinum Thüm.
Germany, Kreuznach
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