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

Duke University Herbarium
Catalog #: 156494
bebf474d-fa34-11e2-a92b-005056000560
Schaerer, Ludwig, Emanuel #s.n.
Xanthoria parietina (L.) Th. Fr.
Switzerland, Grisons, Circa Samaden.