Stachnowicz, Wojciech, and Wojciech Rakowski. 2013. “Native Versus Alien Status of a Rare Plant Species Outside the Limits of Its Main Geographic Range: Distribution of Virga Pilosa (L.) Hill in Wielkopolska, Poland and CE Europe”. Biodiversity: Research and Conservation 29 (October):43-56. https://doi.org/10.2478/biorc-2013-0007.