Mycotaxon 25, 1: 252 (1986).
Basionym: Lichen incurvus Pers., Ann. Bot. (Usteri) 1: 24 (1794).
Type locality: Sweden, Fries, Lich. Suec. exs. no. 260 (UPS neotype, Moberg & Thell, Nordic
Lichen Flora 4: 139, 2011).
Photobiont: Trebouxioid green alga.
Chemistry: Cortex C, K, KC+ yellow, PD; usnic acid. Medulla C, K, KC+ pink, PD or PD+ red; alectoronic acid and occasionally α-collatolic and protocetraric acids (xxx).
Ecology:
Molecular data: Genbank
Distribution: Database
Note: