@misc{Wróbel_Iwona_Spiraea_2014,
 author={Wróbel, Iwona and Zarzycki, Kazimierz},
 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={Spiraea media Schmidt Tawuła średnia},
 type={Text},
 URL={http://rcin.org.pl/Content/127899/PDF/KR038_149950_r2014_PCzKR-Wrobel-256-257.pdf},
 keywords={red data book, flowering plants, Anthophyta, Spiraea media},
}