Sołtys-Lelek, Anna, Beata Barabasz‑Krasny, Peter Turis, & Ingrid Turisová.
" 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." <em>Modern Phytomorphology</em> [Online], 3 (2013): 19-24. Web. 13 Apr. 2018