Sołtys-Lelek A, Gruszka W. Wild roses and hawthorns of urban area: a case study of Piła in Poland. biorc [Internet]. 2016 Dec. 28 [cited 2024 Sep. 27];43:27-40. Available from: https://pressto.amu.edu.pl/index.php/biorc/article/view/biorc-2016-0014