CHOROLOGY OF SPECIES OF THE FAMILY RANUNCULACEAE JUSS. FROM «THE RED DATA BOOK OF UKRAINE» ON THE TERRITORY OF POLTAVA REGION

Based on results of the analysis herbarium collections, data from online-resources iNaturalist and UkrBIN various literature sources information about distribution six plant species family Ranunculaceae Juss. with national conservation level included in «The Red Data Book Ukraine» territory Poltava region were summarized. Four (Adonis vernalis L., A. volgensis DC., Pulsatilla patens (L.) Mill., P. pratensis Mill.) realibly found there, other two (Delphinium cuneatum Spreng. grandis Wend.) have been indicated based only their presence needs confirmation. In our opinion, erroneously for its locations belong to this genus. The most distributed number known localities are Adonis L. (128 locations) Mill. (75). List administrative districts amalgamated territorial communes all species. Nomenclatural problems several rare discussed: name DC. is proposed use against wolgensis Steven, Delphinium – D. rossicum Litv. new nomenclatural combination subsp.ucranica (Ugr.) Davydov was lectotype has firstly indicated. significant role online open resources during research biodiversity Ukraine also emphasized, these convenient tool monitoring summarizing available typical flora fauna.