Schaerer: Lich. Helv. Exs.
Ludwig Emanuel Schaerer [1-650]

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00033734
L.E. Schaerer #s.n.
Peltigera polydactyla var. microcarpa (Ach.) Schaer.
Switzerland

Uppsala University Exsiccati
Catalog #: L-114240
Schaerer s.n.
Peltigera rufescens (Weiss) Humb.
Switzerland, In m. Belpberg