Byssoloma rotuliforme (Müll.Arg.) R.Sant.
Patellaria rotuliformis Müll. Arg., Flora 64: 228 (1881).
Thallus to 4 cm diam., scattered, formed of small (0.2-0.4 mm diam.) irregular patches, in central parts often continuous, white or pale greenish-grey, slightly shining, prothallus absent, foliicolous. Apothecia sessile, margins irregularly circular, sometimes confluent, 0.3-0.6 mm diam., distinctly byssoid, disc black, epruinose, plane to subconvex. Ascospores irregularly arranged, 3-septate, ellipsoid, 10-17 × 3-5 µm. Pycnidia rare, sessile, ± globose, 0.05-0.15 mm diam. Conidia simple, flask-shaped, 4-5 × 1.5-2 µm.
N: Wellington (Kitchener Park, Feilding). On Podocarpus totara leaves. S: Westland (NW shores of Lake Kanieri). On leaves of Pseudowintera colorata. Both collections made in 1927 by G. Einar and Greta Du Rietz.
Pantropical