Verrucaria confluens Massal.

Symm. p. 77.
Synonyms: Verr. muralis β. confluens Kӧrb. (Par. p. 378)
Localirty of collection: Ad saxa et muros Patavii, Vicetiae, et circa Oliero in ditione Bassanensi.
Catalogue ID: MSNVE-24979

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.