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Leaf area of A. maritima after four months of culture in medium supplemented with 20 mM lead nitrate: (a) crystals on the leaf, magnification 25×; (b) salt glands among the cells of the epidermis cells; scanning electron microscope, magnification 2000×. Abbreviations: C—salt crystal; Gc—cells of the gland; Gsc—secretory cells of the gland; Sg—salt gland. All photos by Agnieszka Abratowska (based on Abratowska et al., 2015 [47], modified).
