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

Arizona State University Lichen Herbarium
Catalog #: 507799
L.E. Schaerer s.n.
Parmelia myochroa var. saturnina (Dicks.) Schaer.
Switzerland

Duke University Herbarium
Catalog #: 140628
bb41b8e5-fa34-11e2-a92b-005056000560
Schaerer, Ludwig, Emanuel #1029b
Leptogium (Ach.) Gray
Switzerland, Helvetia miliore.