Revision of herbarium material confirms in Russia 5 species and 1 subspecies of Hypnum section Hamulosa: H. callichroum Brid., H. hamulosum Schimp., H. holmenii Ando, H. plicatulum (Lindb.) A. Jaeger, H. subimponens Lesq. subsp. subimponens, H. subimponens subsp. ulophyllum (Muell. Hal.) Ando. Key for taxa identification is given, and description, illustrations, ecologo-coenotic characteristics and maps of geographic disctribution within Russia are provided for each taxon.