@misc{Pacyna_Anna_Diphasiastrum_2014,
 author={Pacyna, Anna},
 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={Diphasiastrum issleri (Rouy) Holub Widlicz Isslera (widłak Isslera)},
 type={Text},
 URL={http://www.rcin.org.pl/Content/126886/PDF/KR038_149362_r2014_PCzKR-Pacyna-33-36.pdf},
 keywords={red data book, pteridophytes, Pteridophyta, Diphasiastrum issleri},
}