Fungi Saxonici Exsiccati #1215
K.W. Krieger [1-2500]
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Cornell University Plant Pathology Herbarium
Catalog #: Krieger,F.Sax.1215
s.n.
Sphaerotheca
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USDA United States National Fungus Collections
Catalog #: BPI 979501
s.n.
Sphaerotheca castagnei Lév.
Germany
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USDA United States National Fungus Collections
Catalog #: BPI 605061
Krieger W. s.n. 00 August 1893
Sphaerotheca humuli (DC.) Burrill
Germany, Koenigstein
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University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0082660
W. Krieger #s.n.
Sphaerotheca humuli (DC.) Burrill
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