Roccellaceae

Baidera mauritiana Ertz & Diederich, sp. nov. (Figs 3–4) MycoBank number: MB 834918; Index Fungorum number: IF 834918; Facesoffungi number: FoF; Diagnosis: The only species of Baidera is characterized by a pale greyish, almost white thallus, ascomata of 0.25–2.7 × 0.19–0.29 mm, a K+ olivaceous green excipulum and 3(–4)-septate ascospores of 25–35 × 4.5–6.0 [...]

Baidera Ertz & Diederich, gen. nov. Index Fungorum number: MB 834917; Facesoffungi number: FoF Diagnosis: A genus of Roccellaceae characterized by a thick, crustose, ecorticate, compact thallus, lirelliform ascomata with a carbonized lecideine excipulum, a carbonized hy- pothecium extending down to the substrate, a pruinose and not tomentose hymenial disc, ascospores without a distinct [...]