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

Uppsala University Exsiccati
Catalog #: L-131299
Hegetschweiler s.n.
Chaenothecopsis Vain.
Switzerland, prope Riffersweil

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00028952
L.E. Schaerer, Bernae #s.n.
Coniocybe nigrescens