Patellaria atra Trevis. var. α. vulgaris A. saxicola.

in Riv. per. dell’Accad. Pad. 1853, pag. 257. n. 22.
Localirty of collection: Ad rupes et saxa silicea circa Granezza Septem Communium.
Catalogue ID: MSNVE-24891

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.