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

Arizona State University Lichen Herbarium
Catalog #: 507773
L.E. Schaerer s.n.
Lecidea protuberans (Ach.) Schaer.
Switzerland, ?, ?, Limestone Alps

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00031262
L.E. Schaerer, Bernae #s.n.
Lecidea protuberans (Ach.) Schaer.
, Alpes calcaria.

Uppsala University Exsiccati
Catalog #: L-131253
Ludov. Eman. Schaerer s.n.
Sagiolechia protuberans (Ach.) A. Massal.
Switzerland, Alpes calcariae