@misc{Piękoś-Mirkowa_Halina_Salix_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},
 type={Text},
 title={Salix hastata L. Wierzba oszczepowata},
 URL={http://www.rcin.org.pl/Content/126909/PDF/KR038_149437_r2014_PCzKR-Piekos-83-85.pdf},
 keywords={red data book, flowering plants, Anthophyta, Salix hastata},
}