Sramkó, G., Takács, A., Molnár V., A., Popiela, A. and Lukács, B. A. (2023) “Data on species plasticity and stable characters have an overall importance in identification keys: comments on Brullo et al. (2022) article”, Acta Botanica Croatica, 82(2), pp. 151–154. doi: 10.37427/botcro-2023-013.