Smithson. Contr. Bot. 16: 36 (1974).

Protolog: Thallus corticola, cinereo-viridis, epiphloeodes, minute papillosus, nitidus, 6 cm latus; apothecia vix emergentia, 0.7-0.9 mm diametro, intus incolores, columella nulla; ostiolum rotundum vel irregulariter laceratum, 0.1-0.3 mm diametro; hymenium circa 200 µ altum; sporae 1-2:nae, murales, loculis numerosis, 36 µ - 40 µ x 140 µ - 150 µ, I-. HOLOTYPE. - Rain forest above Newfoundland, Dominica, elevation about 300 m, Hale 38124, 7 May 1972 (US).

Type locality: Dominica, rain forest above Newfoundland, ca. 300 m, M. Hale 38124, 7 May 1972 (US - holotype).

Coordinates: Latitude: 15°23'00" Longitude: -61°17'00".

Ecology: Canopy branch in rain forest.