Zenkteler, E. and Nowak, O. (2019) “Application of morphometric study to discriminate Pteridium aquilinum (L.) Kuhn subsp. pinetorum (C. N. Page & R. R. Mill 1995) J. A. Thomson in Poland”, Biodiversity: Research and Conservation, 56, pp. 1–12. doi: 10.2478/biorc-2019-0015.