J.E. Kabat and F. Bubak [1-900]

USDA United States National Fungus Collections
Catalog #: BPI 977026
s.n.
Marssonia betulae (Lib.) Sacc.

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0072509
C. Massalongo #s.n. 28 September 1909
Marssonina betulae (Lib.) Magnus
Italy, Veneto, oberhalb Finetti am Mt. Belloca, prov. Verona

USDA United States National Fungus Collections
Catalog #: BPI 402955
Massalongo C. s.n. 28 September 1909
Marssonina betulae (Lib.) Magnus
Italy, Verona Prov., above Finetti, on Mt. Belloca