A.L. de Jaczewski [1-350]

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0077914
s.n.
Protomyces macrosporus Unger

USDA United States National Fungus Collections
Catalog #: BPI 976342
s.n.
Protomyces macrosporus Unger

USDA United States National Fungus Collections
Catalog #: BPI 678571
Woronin M. s.n. 00 July 1899
Protomyces macrosporus Unger
Denmark, Wiborg