USDA United States National Fungus Collections
s.n.
Agaricus squarrosus Vahl
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USDA United States National Fungus Collections
s.n.
Agaricus squarrosus Vahl
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Iowa State University, Ada Hayden Herbarium
Rabenhorst #s.n.
Agaricus platyphyllus Pers.
Germany, Dresden;
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