Photomicrographs with epidermal formations in the blackberry (Rubus plicatus Weihe & Nees). Unpolluted area A thorns (250×) B tector brushes (400×) C stomata on the abaxial epidermis (1.60 K×), and polluted area D epidermis with particle deposits in the leaves from the Eșelnița quarry (335×) and E Meri quarry (E – 550×). Scale bars: 100 μm (A, B, D, E); 20 μm (C).