K.W. Krieger [1-2500]
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Cornell University Plant Pathology Herbarium
Catalog #: Krieger,F.Sax.0577
s.n.
Sphaerotheca
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USDA United States National Fungus Collections
Catalog #: BPI 978835
s.n.
Sphaerotheca castagnei Lév.
Germany
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USDA United States National Fungus Collections
Catalog #: BPI 604503
Krieger W. s.n. 08 September 1889
Sphaerotheca humuli var. fuliginea (Schltdl.) E.S. Salmon
Germany, Koenigstein
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Purdue University, Kriebel Herbarium
Catalog #: PUL00024889
W Kreiger s.n. 08 September 1889
Sphaerotheca castagnei Lév.
Germany, Saxony, bei Konigstein
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University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0082768
W. Kreiger #s.n. 08 September 1889
Sphaerotheca humuli var. fuliginea (Schltdl.) E.S. Salmon
Germany, Saxony, bei Konigstein
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