Basionym Name:Sporopodium phycophorum Vain., Ann. Acad. Sci. fenn., Ser. A 15(no. 6): 101 (1921)
Homotypic synonyms:Lasioloma phycophorum (Vain.) R. Sant., Symb. bot. upsal. 12(no. 1): 549 (1952)Lopadium phycophorum (Vain.) Zahlbr., Cat. Lich. Univers. 4: 312 (1926)