Sołtys-Lelek, A., 		Barabasz‑Krasny, B., 		Turis, P., & 		Turisová, I.
2013 Apr  1.  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. Modern Phytomorphology. [Online] 3: