H. Sydow and P. Sydow [1-3000]

Cornell University, Plant Pathology Herbarium
Catalog #: Syd.,Myc.germ.0508
P. Vogel s.n. 15 September 1905
Helotium
Germany, Brandenburg: "Weidemann's Loch"

Academy of Natural Sciences of Drexel University
Catalog #: PH00315038
P. Vogel #s.n. 15 September 1905
Hymenoscyphus humuli (Lasch) Dennis
Germany, Brandenburg: "Weidemann's Loch" bei Tamsel

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0070862
P. Vogel #s.n. 15 September 1905
Helotium humuli (Lasch) De Not.