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