@misc{Szeląg_Zbigniew_The_1991,
 author={Szeląg, Zbigniew},
 volume={47},
 number={3},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 journal={Let's protect Our Indigenous Nature},
 address={Kraków},
 howpublished={online},
 year={1991},
 publisher={Research Centre for the Protection of Nature and Natural Resources of the Polish Academy of Sciences},
 language={pol},
 title={The locality of the pteridophyte Polystichum lonchitis in Cracow},
 type={Text},
 URL={http://rcin.org.pl/iop/Content/84567/PDF/KR038_105074_r1991-t47-no3_ChPO-Szelag-84-85.pdf},
 keywords={hollyfern, Polystichum lonchitis},
}