New and additional information on the flora of the Middle Dnieper

The article provides an annotated list of new floristic finds in the flora Middle Dnieper (on territory Cherkasy region, as well adjacent districts Kyiv and Poltava regions), both aboriginal rare alien species, including “runaways from culture”. In some cases, notes are given on taxonomic status, features natural range, ancient indications localities certain species region. For first time, 31 taxa were introduced for regional 8 native 23 alien. most valuable is information about plants, particular Asparagus tenuifolius, Euphorbia salicifolia, Polygonum patulum, Rosa andegavensis, etc. Uman district location three that considered disappeared region: Pentanema oculus-christi, Salvia dumetorum Staphylea pinnata. once, 3 have been Anthriscus caucalis, Lonicera × notha L. ruprechtiana. research revealed locations invasively active foreign ergasiophygophytes: Phytolacca acinosa, Silphium perfoliatum, Vitis riparia, Zizania latifolia etc., quarantine xenophytes: Cenchrus longispinus Eriochloa villosa. Progressive distribution xenophytes with primary sub-Mediterranean Central Asian habitats has noted. Population growing plants emphasizes existing negative trend adventitia flora.The issues naturalization ergasiophytes discussed, presence mass selfseeding centers their introduction, which impetus further spread. Provided spontaneous seed reproduction such as: Castanea sativa, Catalpa ovata, C. speciosa, Pilosella aurantiaca, Verbesina encelioides, Viola sororia other cultivated plants. above similar considerable element comprehensive floral research.