Betula pendula, Roth

Towpasz, Krystyna, 2019, Vascular plants of Pilzno surroundings (South-Eastern Poland), Annales Universitatis Paedagogicae Cracoviensis Studia Naturae 4, pp. 31-64 : 37

66. B. pendula Roth – In forests: Podgrodzie (EF 69 44), Łęki Grn. (EF 78 13), Gołęczyna (EF 79 14).

67. * Bidens frondosa L. – Hemiagriophyte. Invasive species. On banks of drainage ditches: Dobrków (EF 79 04), Pilzno (EF 79 12).