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

University of Illinois Herbarium
Catalog #: ILL00085055
s.n.
Peridermium abietinum Thüm.

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00061717
Prof. H. Leitgeb s.n. 00 August 1875
Peridermium abietinum Thüm.