F.K.A.E.J. de Thümen [1-750, plus extras]

University of Illinois Herbarium
Catalog #: ILL00085190
s.n.
Cercospora apii Fresen.

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00045444
C. Spegazzini s.n.
Cercospora apii Fresen.

Rutgers University, Chrysler Herbarium - Mycology Collection
Catalog #: CHRB-F-0006271
R.P. White #463 16 September 1921
Dothidella ulmi (Fr.) Ellis & Everh.
United States, Kansas, Riley, Manhattan;