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

USDA United States National Fungus Collections
Catalog #: BPI 974878
Jaap Otto s.n. 29 July 1905
Protomyces macrosporus Unger
Switzerland, Near Simplonhospiz

Purdue University, Kriebel Herbarium
Catalog #: PUL00026492
O Jaap s.n. 14 July 1906
Protomyces macrosporus Unger
Schweiz, Simplonhospiz