Buellia

Buellia pruinocalcarea Aptroot, M.F. Souza & Spielmann, sp. nov. Index Fungorum number: IF 900068; MycoBank number: MB 900068; Facesoffungi number: FOF 13389; Fig. 1 Saxicolous Buellia on limestone with thallus thick, white, apothecia flush with the thallus, densely white pruinose, and ascospores 12–14×6–7 µm. Holotype – Aptroot 77815. Etymology – Named after the white pruina [...]