Blastenia ferruginea Massal. α. cinereo-fusca Trevis.

Synonyms: Lichen cinereo-fuscus Weber (Spicil. Flor. gӧtt. p. 188. - 1778); Blastenia ferruginea α. genuina Kӧrb. (Syst. p. 183. - 1856)
Localirty of collection: Ad arborum variarum cortices.
Catalogue ID: MSNVE-25020

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.