@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 echinospora Durieu Poryblin kolczasty},
 type={Text},
 URL={http://www.rcin.org.pl/Content/126891/PDF/KR038_149374_r2014_PCzKR-Szmeja-39-41.pdf},
 keywords={red data book, pteridophytes, Pteridophyta, Isoëtes echinospora},
}