Abstract
The first records of 11 native and 9 alien plant species from families Amaranthaceae Juss. s. l., Apiaceae Lindl., Asteraceae Bercht. et J. Presl, Boraginaceae Juss., Euphorbiaceae Juss., Plantaginaceae Juss., Poaceae Barnhart, Polygonaceae Juss., Rosaceae Juss., and Violaceae Batsch. in the Middle Don River basin (within the Voronezh Region) are reported. Veronica cardiocarpa (Kar. et Kir.) Walp. found in abundance in the city of Voronezh is a new record to Russia. Rumex patientia L. and Amaranthus powellii S. Wats. were found for the first time in Voronezh Region but are widespread in the entire Black Earth Region. Dysphania schraderiana (Schult.) Mosyakin et Clemants, Echinochloa colona (L.) Link, Palimbia rediviva (Pall.) Thell., Sporobolus cryptandrus (Torr.) A. Gray, Suaeda salsa (L.) Pall., and Vulpia myuros (L.) C. C. Gmel. are new records for the entire Black Earth Region. New regional records of native taxa (Anchusa gmelinii Ledeb., Artemisia nitrosa Weber ex Stechm., Crataegus × cispontica Ufimov, C. volgensis Pojark., Euphorbia helioscopia L., Oxybasis chenopodioides (L.) S. Fuentes, Uotila et Borsch, Rosa oskolensis Buzunova et Grigorj., and Viola jordanii Hanry) and of alien species (Artemisia tournefortiana Rchb., Duchesnea indica (Andrews) Focke, and Rubus occidentalis L.) are reported, too.
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