F.K.A.E.J. de Thümen [1-2300, plus extras]

USDA United States National Fungus Collections
Catalog #: BPI 1035202
s.n.
Helminthosporium hydropiperis Thüm.

University of Illinois Herbarium
Catalog #: ILL00076738
H. W. Ravenel s.n.
Helminthosporium hydropiperis Thüm.
USA, South Carolin, Aiken; Aiken

USDA United States National Fungus Collections
Catalog #: BPI 429081
Ravenel H. W. s.n.
Helminthosporium hydropiperis Thüm.
United States, South Carolina, Aiken

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00040665
ThÙmen #s.n.
Helminthosporium hydropiperis ThÙm.
United States, South Carolina, Aiken