F.K.A.E.J. de Thümen [1-750, plus extras]

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00055210
C. B. Plowright s.n.
Helminthosporium arundinaceum Corda
England, Kings-Lynn in Norfolk

University of Illinois Herbarium
Catalog #: ILL00084864
C.B. Plowright s.n.
Helminthosporium arundinaceum Corda
England, Norfolk, Kings-Lynn; Kings-Lynn