Basionym Name:Lophiostoma hygrophilum Sacc., Hedwigia 14: 71 (1875)
Homotypic synonyms:Lophidium hygrophilum (Sacc.) Sacc., Michelia 1(no. 3): 340 (1878)Mytilostoma hygrophilum (Sacc.) P. Karst., Meddn Soc. Fauna Flora fenn. 5: 50 (1879)Platystomum hygrophilum (Sacc.) Trevis., Bull. Soc. R. Bot. Belg. 16: 16 (1877)