A new for the Ukrainian flora species, Calligonum aphyllum (Pall.) Gűrke, was discovered in the historical collection of J.K. Boyko during its critical systematic analysis. The herbarium specimen (KW 078572) was collected near Nogaysk town (currently Prymorsk, Prymorsk District, Zaporizhzhia Region) in 1906–1916, on sands. It is suggested to be a native species. A key for identification, short morphological description, geographical, ecological characteristics, and economic use of the species are given.
Keywords: Polygonaceae, Calligonum, flora of Ukraine, herbarium KW
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