Data on type specimens for 6 taxa of the genus Silene L., 2 taxa of the genus Lychnis L., described from Eastern Siberia, are given. Taxa are kept in M.G. Popov Herbarium of the Central Siberian Botanical Garden, SB RAS (NSK). The 3 lectotypes, 1 isolectotype are designated, the 4 holotypes, 2 isotypes, 3 paratypes, the 1 authentic specimen are identified. A new nomenclatural combinations S. amoena L. f. glabra (Peschkova) N.V. Vlassova, comb. nov., S. chamarensis subsp. udocanica (Peschkova) N.V. Vlassova, comb. nov. are proposed. New variation S. amoena L. var. charaensis N.V. Vlassova is described from Zabaikalskiy Krai.Silene, Lychnis, Caryophyllaceae, type specimens, typification, M.G. Popov Herbarium (NSK), Eastern Siberia.