| Summary: | The purpose of the research is the studying of the flora of waterbodies and watercourses of the city of Tobolsk (Tyumen Region, Russia). The work is based on the author's hydrobotanical studies, which have been carried out in the city since 2015. Herbarium materials from the territory of the city of Tobolsk and literature sources were also studied. The macrophyte flora of the city of Tobolsk has 253 species of higher plants (of bryophytes and vascular plants) from 123 genera and 61 families, including 27 species of mosses and liverworts. In the ecological structure of the flora the semi-aquatic plants are dominated, and the proportion of hydrophytes is only 17.0% (43 species). In the composition of studied flora four hybrid taxa (Nuphar x spenneriana, Potamogeton x acutus, Salix x fragilis, Utricularia x ochroleuca), as well as six protected species in the Tyumen Region (Acorus calamus, Epipactis palustris, Lycopodiella inundata, Nuphar pumila, Nymphaea tetragona, Zannichellia repens) were noted.
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