Thümen, Fungi Austr. Exs.
F.K.A.E.J. de Thümen [1-1200]

University of Illinois Herbarium
Catalog #: ILL00085979
J. Wallner s.n.
Helminthosporium gracile Wallr.
Austria, Vienna; Vienna

USDA United States National Fungus Collections
Catalog #: BPI 443212
Wallner J. s.n.
Heterosporium gracile (Wallr.) Sacc.
Austria, Lower Austria, Vienna