Basionym Name:Physcia parvula f. fusca Räsänen, Sched. Lich. Fenn. Exs. IV-VII: 33 (1936)
Homotypic synonyms:Physcia nigricans f. fusca (Räsänen) Zahlbr., Cat. Lich. Univers. 10: 654 (1940)