In total 102 plant species (32 hydrophytes, 13 amphiphytes and 57 helophytes) and non-specified algae filamentosae were recorded (Table 4), 99 of which were spermatophyte species, one Charophyceae species (Nitellopsis obtusa), one bryophyte species (Riccia fluitans), and one water fern species (Salvinia natans). Mor-phological characters of some Nymphaea sp. exemplars did not correspond with native species N. alba. Very likely it was a culti-vated species. Neophytes The invasive species Elodea canadensis, E.nuttalii and Typha laxmannii were recorded. 24 species are endangered (Table 4).