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The paper presents distribution data on Allium ursinum L. in Poland, with additional records from the other European countries. The study comprised 367 herbarium specimens, drawn from most of Polish herbaria and individuals obtained during field investigations. Two subspecies have been recorded: A. ursinum L. subsp. ursinum and A. ursinum subsp. ucrainicum Kleop. et Oxner. The study also documents the presence of intermediate populations at the border of the distribution ranges for both subspecies. In addition, the paper presents the pedicel structure and pollen grains ultrasculpture of each subspecies under a scanning electron microscope (SEM). Finally, questions in respect of the distribution data and habitat preferences are discussed.

Taxonomy and distribution of Allium ursinum (Liliaceae) in Poland and adjacent countries