USDA United States National Fungus Collections
Catalog #: BPI 994804
s.n.
Agaricus squarrosus Vahl

USDA United States National Fungus Collections
Catalog #: BPI 995377
s.n.
Agaricus squarrosus Vahl

Iowa State University, Ada Hayden Herbarium
Catalog #: ISC-F-0122831
Rabenhorst #s.n.
Agaricus platyphyllus Pers.
Germany, Dresden;