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

Arizona State University Lichen Herbarium
Catalog #:
L.E. Schaerer s.n.
Opegrapha rufescens f. subocellata (Ach.) Schaer.
Switzerland

University of Nebraska State Museum, C.E. Bessey Herbarium - Lichens
Catalog #: NEB00032398
L.E. Schaerer, Bernae #s.n.
Opegrapha rufescens Pers.
, et Acera.

Duke University Herbarium Lichen Collection
Catalog #: 396048
52e4c360-9e64-4fad-b5e1-c36bba1be199
Schaerer, Ludwig, Emanuel #s.n.
Pseudoschismatomma rufescens (Pers.) Ertz & Tehler
Switzerland, Switzerland, unspecified