@misc{Piękoś-Mirkowa_Halina_Dryopteris_2014,
 author={Piękoś-Mirkowa, Halina and Mirek, Zbigniew},
 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={Dryopteris villarii (Bellardi) Woynar ex Schinz et Thell. Nerecznica Villara},
 type={Text},
 URL={http://www.rcin.org.pl/Content/69761/PDF/KR038_91207_r2014_wyd3_PCzKR_Kazmierczakowa_Dryopteris.pdf},
 keywords={red data book, pteridophytes, Pteridophyta, Dryopteris villarii},
}