Morphology and anatomy of O. krathingensis (A–F); A habitat of ascomata B hymenium with ascus and C ascospores. (D–F) D erumpent ascomata E ascus and F ascospores A–C K. Papong 8483D–F K. Papong 8479 (epitype). Scale bar A, D = 1 mm, B, E = 50 µm, C, F = 20 µm.