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

University of Illinois Herbarium
Catalog #: ILL00084853
J. Wallner s.n.
Agaricus (Psalliota) campestris
Austria, Wien; Wien

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00043231
J. Wallner s.n.
Agaricus campestris (L.) Fr.