Schaerer, Lich. Helv. Exs. Ed. I [Bernae (Berne)]
Ludwig Emanuel Schaerer [1-650]
IndExs #729589223

University of Nebraska State Museum, C.E. Bessey Herbarium - Lichens
Catalog #: NEB00025102
L.E. Schaerer #s.n.
Arthonia dispersa (Schrader) Nyl.