Synonyms: Amblystegium hygrophilum (homotypic); Amblystegium riparium var. hygrophilum (homotypic); Amblystegium serpens hygrophilum (homotypic); Hypnum hygrophilum (homotypic); Leptodictyum hygrophilum (homotypic); Leptodictyum riparium var. hygrophilum (homotypic)