@misc{Szmeja_Józef_Sparganium_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={Sparganium angustifolium Michx. Jeżogłówka pokrewna}, type={Text}, URL={http://rcin.org.pl/iop/Content/135985/PDF/KR038_155504_r2014_PCzKR-Szmeja-661-662.pdf}, keywords={red data book, flowering plants, Anthophyta, Sparganium angustifolium}, }