Basionym Name:Cyanisticta dubia var. arrhiza Räsänen, Ann. bot. Soc. Zool.-Bot. fenn. Vanamo 2(no. 1): 42 (1932)
Homotypic synonyms:Pseudocyphellaria dubia var. arrhiza (Räsänen) Follmann, Revta Univ. (Santiago) 51: 42 (1966)Sticta dubia var. arrhiza (Räsänen) Zahlbr., Cat. Lich. Univers. 10: 274 (1939)