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-0087
s.n.
Ramularia callosa

Michigan State University Herbarium non-lichenized fungi
Catalog #: MSC0253097
I. E. Weiss s.n. 00 November 1897
Ramularia callosa
Germany, Freising; Baiern

Academy of Natural Sciences of Drexel University
Catalog #: PH00323531
J.E. Weiss #s.n 00 November 1897
Ramularia callosa Allesch.
Germany, Baiern: Freising

USDA United States National Fungus Collections
Catalog #: BPI 416508
Weiss J. E. s.n. 00 November 1897
Ramularia callosa
West Germany, Bavaria, Freising