Nobis, Agnieszka, Marcin Nobis, Katarzyna Piotrowicz, Zygmunt Kącki, and Zygmunt Dajdok. 2011. “Lindernia Procumbens in Poland: The Relationship Between Weather Conditions and the Occurrence of the Species”. Biodiversity: Research and Conservation 17 (February):39-46. https://doi.org/10.2478/v10119-010-0005-3.