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

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00031522
L.E. Schaerer, Bernae #s.n.
Lepraria glaucella (Flörke) Nyl.
, In m. Gurnigel.

Uppsala University Exsiccati
Catalog #: L-131284
Ludov. Eman. Schaerer s.n.
Lepra sulphurea (Schltdl.) Ehrhardt
Switzerland, in m. Gurnigel