@misc{Szmeja_Józef_Isoëtes_2014, author={Szmeja, Józef}, 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={Isoëtes lacustris L. Poryblin jeziorny}, type={Text}, URL={http://rcin.org.pl/iop/Content/126890/PDF/KR038_149368_r2014_PCzKR-Szmeja-38-39.pdf}, keywords={red data book, pteridophytes, Pteridophyta, Isoëtes lacustris}, }