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

Uppsala University Exsiccati
Catalog #: L-115255
s.n.
Verrucaria rupestris Schrader
Switzerland, In m. Hogant

Arizona State University Lichen Herbarium
Catalog #: 507819
L.E. Schaerer s.n.
Verrucaria rupestris var. calciseda Schaer.
Switzerland, Bern, Hogant Mountains