O. Jaap and C. Brick [1-959]

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0072688
G. Winter #s.n. 00 October 1880
Melampsora betulina G. Winter

USDA United States National Fungus Collections
Catalog #: BPI 421360
Jaap Otto s.n. 30 April 1911
Helicomyces niveus Bres. & Jaap
Germany, Schleswig-Holstein, Escheburg, near Bergedorf

USDA United States National Fungus Collections
Catalog #: BPI 975309
Jaap Otto s.n. 30 April 1911
Helicomyces niveus Bres. & Jaap
Germany, Schleswig-Holstein, Escheburg, near Bergedorf

Purdue University, Kriebel Herbarium
Catalog #: PUL00028140
O Jaap s.n. 30 April 1911
Helicomyces niveus Bres.
Germany, Schleswig Holstein, Escheburg; bei Bergedorf