Ornamental native plants resistant to salinity and soil contamination by heavy metals for use in urban landscaping: within the framework of the project of the Belarusian Republican Foundation for Fundamental Research № B20RA-018 "Selection of decorative native plants of flora of Belarus and Romania that are resistant to salinity and contamination with heavy metals for use in landscaping of the urban environment and roadside lanes" with the Institute of Biology, Bucharest, of the Romanian Academy / Anton Bashylau [et al.]