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

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00025738
L.E. Schaerer, Bernae #21
Blastenia leucoraea (Ach.) Th. Fr.
, Helvetici

Uppsala University Exsiccati
Catalog #: L-131265
Ludov. Eman. Schaerer s.n.
Caloplaca sinapisperma (Lam. & DC.) Maheu & A. Gillet
Switzerland, alpes calcariae