THIRD ADDITION TO THE ADVENTIVE FLORA OF THE MAIN ROADS OF THE UDMURT REPUBLIC

Abstract

Information is given about the finds of 42 adventive plant species found on the main roads of the Udmurt Republic from 2010 to 2020. Of these, 8 species are Brassica juncea (L.) Czern, Carthamus tinctorius L., Chenopodium virgatum Thunb., Melampyrum polonicum (Beauverd) Soó, Oenothera biennis L., Polygonum calcatum Lindm., Puccinellia gigantea (Grossh.) Grossh., Sedobassia sedoides (Pall.) Freitag et C. Kadereit are reported for the first time for Udmurtia main roads; 2 species of Carthamus tinctorius L., Chenopodium virgatum Thunb. - for the first time for its adventive flora. The largest number of adventive species (20 species) was identified in the Alnash district of Udmurtia.