Norw. J. Bot. 23: 172 (1976).
Basionym:
Synonym: Index Fungorum
Type:
Thallus: up to 12 mm high, tufted, unbranched or sparingly branched. Branches pale stramineous, flattened, to 2 mm wide, a continuous lower cortex lacking, but medulla overlaid by a few anastomosing strands of cartilaginous hyphal tissue. Soredia produced from exposed medulla and algal layer. Apothecia not seen in East African material (Swinscow & Krog 1988: 288).
Chemistry: Usnic acid in the cortex. Psoromic acid (Swinscow & Krog 1988: 288).
Ecology: Corticolous on twigs and branches of trees in montane forest, and known also from wayside trees, 2000 - 3100 m altitude, uncommon (Swinscow & Krog 1988: 288 for East Africa).
Molecular data: Genbank
Distribution: Africa, Australia. Database
Note: