After processing literature data, herbarium materials (KW, LW, LWKS, CHER, KRAM) and results of our field surveys, a list of localities and a map of distribution of Waldsteinia geoides L. in Ukraine have been compiled. It has been found that of the 40 known localities of the species, over the past 30 years 20 sites have been documentally confirmed and 10 new localities have been revealed in Tlumach and Horodenka Districts of Ivano-Frankivsk Region. It is suggested that the historical dispersal of the species in the northeastern direction within the territory of Ukraine occurred by two migration routes: the valley of the Dniester River, which in the past has been a northward migration corridor for Submediterranean species to the Pokutya area, and the Pannonian route. The latter was used by W. geoides for its migration to the territory of Transcarpathia, while its further eastward migration was prevented by mountain ranges of the Carpathians.
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