Szczecińska, M., Hołdyński, C., & Sawicki, J. (2006). Genetic diversity of lowland and montane populations of Polygonatum verticillatum (L.) All. Determined on the basis of isozymatic analysis. Biodiversity: Research and Conservation, (3-4), 240–244. https://doi.org/10.14746/biorc.2006.3-4.9