Additions to the Aquatic Flora of Omsk Region

Data on the distribution and ecology of new and poorly studied aquatic plants of Omsk Region are obtained based on the results of field studies. Callitriche cophocarpa, Cyperus glomeratus, Lythrum portula, Najas major, Ranunculus subrigidus, and Utricularia × neglecta (U. tenuicaulis × U. vulgaris) are reported for the region for the first time. The second locality was found for the protected species Elatine hydropiper. Exact data on localities are provided for Schoenoplectus hippolyti and Sparganium natans, which were previously known only from publications.