USDA United States National Fungus Collections
Catalog #: BPI 994702
s.n.
Agaricus metatus Secr. ex Fr.

USDA United States National Fungus Collections
Catalog #: BPI 995357
s.n.
Agaricus metatus Secr. ex Fr.

Iowa State University, Ada Hayden Herbarium
Catalog #: ISC-F-0122823
H. Hoffmann #s.n.
Agaricus metatus Secr. ex Fr.
Germany, Hesse, Giessen;