Górska-Zajączkowska M., Wójtowicz W., 2005. Rare, endangered and legally protected plants in the collections of the Botanical Garden of Adam Mickiewicz University of Poznań. [W:] Czyżewska K., Hereźniak J. Biodiversity in relations to vegetation Zones in Europe: from Baltic Region to Carpathian Mountains. Polish – Lithuanian Conference, Poland, July 26-31, 2005. University of Łódź Publishing House, Łódź: 123-127.

Górska-Zajączkowska M., Wójtowicz W., 2005. Rare, endangered and legally protected plants in the collections of the Botanical Garden of Adam Mickiewicz University of Poznań. [W:] Czyżewska K., Hereźniak J. Biodiversity in relations to vegetation Zones in Europe: from Baltic Region to Carpathian Mountains. Polish – Lithuanian Conference, Poland, July 26-31, 2005. University of Łódź Publishing House, Łódź: 123-127.