Tremotylium occultum Stirt.
Holotype: New Zealand. Wellington. On bark of trees. J. Buchanan, GLAM!
Thallus greyish-white or greyish, areolate-cracked. Apothecia immersed or depressed, urceolate, brown, plane or subconcave, oblong or variously elongate or radiate, nearly always hidden, with a thick, prominent thalline margin giving the thallus a somewhat cerebriform or convoluted aspect. Paraphyses indistinct, conglutinate, brownish at apices. Ascospores single, brown, ellipsoid, muriform, 60-80 × 32 µm.
N: Wellington. Known only from the type collection.
Endemic
