Ценоморфы естественных лиственных лесов северной степи украины

Coenomorphs of 156 vascular plant species of natural deciduous forests in Northern Steppe of Ukraine has been analyzed by the expert and statistical analysis. The inclusion of the species in the particular coenomorph has been proved. Series of the coenomorphsreplacement and factors of coenomorph groups forming have been determined. Coenomorphs may be used as a phytometer of coenotical and abiotic conditions. The determination of transitional coenomorphs is not always expedient and depends on the type of ecosystem, which is analyzed.