W. Siemaszko [1-200]

USDA United States National Fungus Collections
Catalog #: BPI 1022172
s.n.
Coleosporium petasitidis (DC.) Thüm.
Poland

USDA United States National Fungus Collections
Catalog #: BPI 134541
Siemaszko W. s.n. 00 August 1922
Coleosporium petasitis (DC.) de Bary
Poland, Puszcza, Bialowieska