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New localities of Bidens radiata (Asteraceae) in Poland

Abstract

Bidens radiata Thuill. is a synan-thropic but uncommon species in Poland. During the field research carried out in Bieszczady in 2014, its occurrence was observed in five new localities (FG45, FG55, FG56 ATPOL grid squares). B. radiata had never been found in the Polish part of the Eastern Carpathians before. The new localities are outside the reported range of this species in Poland

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