The structure of the leaf surface in species from the sections Prealtina (Gremli) Schljak. and Echinina (Naeg. et Peter) Schljak from the genus Pilosella Vaill. in flora of Crimea

At the first time the ultrastruture of leaf blade surface of representatives from the sections Prealtinaand Echinina of the genus Pilosellain flora of Crimea was investigated. Common and specific features for studied species have been described.