Basionym Name:Allarthothelium minimum Vain., Ann. Univ., fenn. Aboënsis, Ser. A 2(no. 3): 29 (1926)
Homotypic synonyms:Bacidia sphaeroides f. minima (Vain.) Zahlbr., Cat. Lich. Univers. 4: 150 (1926)Bilimbia minima (Vain.) Räsänen, Ann. bot. Soc. Zool.-Bot. fenn. Vanamo 18(no. 1): 67 (1943)