Phytologia 28: 338 (1974).

Basionym: Parmelia nilgherrensis Nyl., Flora, Regensburg 52: 291 (1869).

Chemistry: Atranorin as cortical depside, dehydrocollatolic acid (minor), alectoronic acid (major), alpha-collatolic acid (major) (Kharel 2000: 891).