USDA United States National Fungus Collections
Catalog #: BPI 994987
s.n.
Asteroma betulae Roberge ex Desm.

USDA United States National Fungus Collections
Catalog #: BPI 995462
s.n.
Asteroma betulae Roberge ex Desm.

USDA United States National Fungus Collections
Catalog #: BPI 995463
s.n.
Asteroma betulae Roberge ex Desm.