Migula, Krypt. Germ., Austr. Helv. Exs. [Pilze]
E.F.A.W. Migula [1-425]

Cornell University, Plant Pathology Herbarium
Catalog #: Mig.,C.G,A.H-0036
s.n.
Podosphaera tridactyla (Wallr.) de Bary

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0077545
s.n.
Podosphaera tridactyla (Wallr.) de Bary

Michigan State University Herbarium
Catalog #: MSC0253052
Bubak s.n. 05 September 1902
Podosphaera tridactyla (Wallr.) de Bary
Czech Republic, Bohmen; Velenka bei Sadska

Miami University, Willard Sherman Turrell Herbarium
Catalog #: 000281550
Bubak #36 10 May 1902
Podosphaera tridactyla (Wallr.) de Bary

Academy of Natural Sciences of Drexel University
Catalog #: PH00315526
Bubak #s.n 10 May 1902
Podosphaera tridactyla (Wallr) De By
Czech Republic, Bohmen, Velenka bei Sadska