New alien vascular plants at Eastern Chukotka, Russia (Provideniya Village)

Abstract

It is reported about the finding of 29 alien species in the Provideniya Village (Providenskiy District, Chukotskiy Avtonomniy Okrug) and its neighborhood in 2021. The 17 species of these were not previously indicated for Chukotka, Alchemilla breviloba was first collected in the Russian Far East. Dianthus superbus and Galium uliginosumwere found for the first time in the northern part of the Far East. A feature of the alien flora of the Provideniya Village is numerous species rare not only for Chukotka, but also for more southern regions. The main habitat of alien species is an abandoned farm.