Invasive plant species in three cities of the Udmurt Republic

Resumo

The results of the study of the occurrence frequency of invasive plants species in three cities of the Udmurt Republic (Votkinsk, Mojga, and Kambarka) are discussed. A scale of the presence of invasive species is developed. In accordance with this scale, three groups of species are identified. The lists of invasive plant species in three urban areas are compared. Similarities between the identified groups are noted: 78% of the species are common in all three urban floras.