Lichenologist 20, 4: 312 (1988).
Protologue type data: Typus: Caledonia, Westerness, Loch Sunart, Laudale Woods, in valle angusta ad austro-orientem ex Laudale House, 17/75.59, ad corticem laevem Coryli, 9 March 1983, B. J. Coppins & P. M. Jørgensen [Coppins 9345] (E-holotypus).
Type locality: Scotland, Vice-county Westerness, Loch Sunart, Laudale Woods, in valle angusta ad austro-orientem ex Laudale House, 17/75.59, ad corticem laevem Coryli, 9 March 1983, B. J. Coppins & P. M. Jørgensen [Coppins 9345] (E - holotype).
Type locality coordinates: 56°42'0.36"N, 5°45'24.84"W; 56.7001, -5.7569.
Molecular barcode: Data lacking.
Description: Lichen. Thallus crustose, endophloeodal, effuse or delimited from some other crustose lichens by brown marginal lines, pale fawn to darkish brown but often with a pink tinge when fresh, lichenized, with abundant Trentepohlia cells (Coppins 1988: 312).
Photobiont: Trentepohlia spec.
Chemistry: No lichen substances.
Ecology: Corticolous on smooth bark.
Distribution Type: So far known only from western Scotland, where it is locally frequent, central Scottish Highlands and one site in northern England (Coppins 1988: 313).