The genus Crataegus L. in the western part of the buffer zone of the Low Tatras National Park (Slovakia), in accordance with recent morphological and systematic recognition

The work contains results of investigation on the genus Crataegus L., conducted in 2011 2012 on the area of the western part of the buffer zone of the Low Tatras National Park. Analysing various features, including the morphometric ones, occurrence of six native species, among them three species of hybrid origin, were confirmed in the investigated area. Comparative analysis of leaves morphology of the hybrid hawthorns and their original parental forms was carried out.