@misc{Krzewicka_Beata_A_2012,
 author={Krzewicka, Beata},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 address={Kraków},
 journal={Polish Botanical Studies},
 howpublished={online},
 year={2012},
 publisher={W. Szafer Institute of Botany, Polish Academy of Sciences},
 language={eng},
 title={A revision of Verrucaria s.l. (Verrucariaceae) in Poland},
 type={Text},
}