@misc{Rutkowski_Lucjan_Diphasiastrum_2014,
 author={Rutkowski, Lucjan and Tlałka, Dariusz},
 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={Diphasiastrum tristachyum (Pursh) Holub Widlicz cyprysowy (widłak cyprysowy)},
 URL={http://rcin.org.pl/Content/135873/PDF/KR038_162102_r2014_PCzKR-Rutkowski-31-33.pdf},
 keywords={red data book, pteridophytes, Pteridophyta, Diphasiastrum tristachyum},
}