Müller, Flechten Eur. [Genf (Geneva)]
Johannes Müller ["Argoviensis"] [717-962]
IndExs #406294941

New York Botanical Garden
Catalog #: 04443565
c10947b1-5eee-4cf7-86e0-1abf08a63f86
s.n.
Arthonia obscura (Pers.) Leight.

Lichen Herbarium of the Museum of Evolution, Uppsala University
Catalog #: L-069919
Hepp s.n.
Arthonia obscura Ach.
Switzerland, Zürich, Umgebungen von Zürich