ZAJĄC, Maria; ZAJĄC, Adam. Western element in the vascular flora of Poland. Biodiversity: Research and Conservation, [S. l.], n. 1-2, p. 57–63, 2006. DOI: 10.14746/biorc.2006.1-2.13. Disponível em: https://presstoarch.amu.edu.pl/index.php/biorc/article/view/41331. Acesso em: 8 sep. 2026.