Leptogium cyanescens Trevis.

Trevis. (Caratt. di tre nuov. gen. di Collem. - Februario 1853), Kӧrb. (Syst. lich. germ. p. 420-1856), non Nyl. (Syn. lich. I. p. 131-1858 = Haplogonia cyanescens Trevis.)
Synonyms: Collema tremelloides β. cyanescens Ach. (Syn. p. 326); Collema cyanescens Schaer. (Enum. p. 250)
Localirty of collection: Supra muscos ad arborum truncos in sylvaticis montium Antola et Süvella in Alpibus Carnicis, et circa Cesuna Septem Communium.
Catalogue ID: MSNVE-24965

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.