Bryologist 85, 1: 129 (1982).

Basionym: Parmelia barbatica Elix, xxx: 129 (1982) but IF: Parmelia barbatica Elix, Aust. J. Bot. 24: 663 (1976).

Synonyms: Index Fungorum

Type: Australia, Australian Capital Territory, Kowen Forest, 18 km east of Canberra, J. A. Elix 1389 (MEL - holotype, CANB - isotype).

Photobion: Trebouxia.

Chemistry: Barbatic acid (major), 4-0-demethylbarbatic acid, dehydroconstipatic acid, constipatic acid (more or less traces), 3-alpha-hydroxybarbatic acid (more or less trace), squamatic acid (more or less trace), usnic acids (Hale 1990: 74).

Ecology: On acid rock.