[1]
Marciniuk, J. and Marciniuk, P. 2006. New sites of Taraxacum portentosum Kirschner & Štěpánek and Taraxacum vindobonense Soest against a background of their distribution in Poland. Biodiversity: Research and Conservation. 3-4 (Dec. 2006), 304–307. DOI:https://doi.org/10.14746/biorc.2006.3-4.23.