C. tigillare 2 Apothecia sessile. Excipulum thick at the base. Asci cylindrical C. pinicola 3 Thallus grey, thick. Spores with a smooth surface C. inquinans 3 Thallus qreenish grey, thin. Spores with a roughly cracked surface.
Spores submuriform, with a smooth surface.
Spores with a cracked surface. Spores 9-15 m long M. disseminatum 1 Apothecia stalked. Mazaedium greenish black, with sclerotized hyphae M . Mazaedium dark brown or greenish black, without sclerotized hyphae M .