Arthonia ectropoma Trevis.

Synonyms: Arthopyrenia ectropoma Massal. (Symm. p. 109)
Localirty of collection: Ad cort. Fraxini Orni circa Mussolente, Romano, Simonzo, Breganze, in prov. Vicetina.
Catalogue ID: MSNVE-24844

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.