@misc{Piórecki_Jerzy_Cirsium_2014, author={Piórecki, Jerzy and Zarzycki, Kazimierz}, copyright={Creative Commons Attribution BY 3.0 PL license}, address={Kraków}, howpublished={online}, year={2014}, publisher={Institute of Nature Conservation of the Polish Academy of Sciences}, language={pol}, title={Cirsium decussatum Janka Ostrożeń siedmiogrodzki}, type={Text}, URL={http://rcin.org.pl/Content/133301/PDF/KR038_151985_r2014_PCzKR-Piorecki-542-544.pdf}, keywords={red data book, flowering plants, Anthophyta, Cirsium decussatum}, }