plasek@osu.cz
jakub.sawicki@uwm.edu.pl
r.ochyra@botany.pl
© 2016 Vítězslav Plášek, Jakub Sawicki, Ryszard Ochyra, published by Silesian Museum in OpavaThis work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.