areoles yellow somewhat convex some crescent-shaped, prothallus black, medulla K+y/o P+o (double-checked: definitely K+y and P+ orange not yellow-orange), apothecia rounish inset, epihymenium indistinct to brownish K-, hymenium ~150um hyaline, hypothecium and exciple dark brown, spores brown muriform with 5-8 transverse septae and most rows with at least one vertical septum ~35-50x15-18um