Arthoniopsis ruana Trevis.

Arth. disp. nov. in Flora 1869
Synonyms: Arthonia ruana Mass. (Ric. p. 49.)
Localirty of collection: Ad cort. Coniferarum in Euganeorum colle Rua.
Catalogue ID: MSNVE-24921

All images have been taken by Dr. Maria Zardini. They are property of the Natural History Museum of Venbice, and are distributed under a CC BY licencse.