Floristic findings of alien plants in Asian Russia

The article provides data on the findings of new and rare alien plant species in the Asian part of Russia (Siberia and the Far East). Tripleurospermum disciforme found in the Novosibirsk Region (Novosibirsk) and in the Republic of Altai (Gorno-Altaisk) is recorded for the first time for the territory of Russia. New species to the flora of Siberia are Artemisia tournefortiana (the species was found in the Altai Territory, Barnaul), Hylotelephium spectabile (Gorno-Altaisk) and Verbascum densiflorum (Gorno-Altaisk). For the first time, Corylus mandshurica and Sedum hispanicum are found in the Republic of Altai. One species (Lycopsis arvensis) is recorded for the first time in the Republic of Buryatia, one species (Cichorium intybus) in the Trans-Baikal Territory and one species (Cuscuta campestris) in the Jewish Autonomous Region. The article also provides new locations of rare alien species in the Republic of Altai (Convallaria majalis, Dianthus deltoides, Xanthium albinum), Trans-Baikal Territory (Epilobium pseudorubescens, Senecio dubitabilis) and in the Jewish Autonomous Region (Euphorbia humifusa).