00609naa#a2200193#i#450# EN\\bibl\100081 20250625225748.3 2414-4738 20250623b2025####ek#y0engy0150####ca RU INVASION OF BIDENS FRONDOSA L. IN THE COASTAL PHYTOCENOSES OF THE SEJM RIVER IN KURSK Journal article Simferopol V.I. Vernadsky Crimean Federal University 2025 11 с. Journal article local Ботаника. 58 Arepieva L. A. Berezutskaya I. S. Aksenova A. Yu. cfuv.editorum.ru