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

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00026107
L.E. Schaerer, Bernae #s.n.
Calicium quercinum Pers.
, Helvetici

Uppsala University Exsiccati
Catalog #: L-131296
Ludov. Eman. Schaerer s.n.
Calicium lenticulare Ach.
Switzerland, supra Raetenbach