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

USDA United States National Fungus Collections
Catalog #: BPI 1027056
s.n.
Microsphaera alni (DC.) G. Winter
Germany

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00059555
H. et P. Sydow s.n. 00 August 1911
Microsphaera alni (DC.) G. Winter
Germany, Schleswig-Holstein: Lornsenhain, Insel Sylt.

Academy of Natural Sciences of Drexel University
Catalog #: PH00313747
H. et P. Sydow #s.n. 00 August 1911
Phyllactinia alnicola U. Braun
Germany, Schleswig-Holstein: Lornsenhain, Insel Sylt.

Cornell University, Plant Pathology Herbarium
Catalog #: Syd.,Myc.germ.1531
H. Sydow s.n. 00 August 1911
Microsphaera alni (DC.) G. Winter
Germany, Schleswig-Holstein: Lornsenhain, Insel Sylt

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0073631
H. Sydow #s.n. 00 August 1911
Microsphaera alni (DC.) G. Winter

Field Museum of Natural History
Catalog #: C0285970F
cbd5f4a5-0baf-439c-be7e-82de8a4a81da
H. Sydow & P. Sydow #s.n. 00 August 1911
Microsphaera alni (DC.) G. Winter (DC.) G. Winter
Germany, Schleswig-Holstein, Nordfriesland, Lornsenhain park, near Westerland, Island of Sylt

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0075353
J. Bornmuller #s.n. 00 May 1919
Peronospora corydalis de Bary

USDA United States National Fungus Collections
Catalog #: BPI 557342
Sydow H.; Sydow P. s.n. 00 August 1911
Microsphaera alni f. quercina
West Germany, Schleswig-Holstein, Lornsenhain, Insel Sylt