To study the lichens of the desert zone of the Lower Volga (south of the Astrakhan region)

Based on 54 geobotanical descriptions of test sites in the desert zone of the Lower Volga (within the southern part of the Astrakhan region) 12 species of corticolous lichens have been identified: Amandinea punctata (Hoffm.) Coppins et Scheid., Arthonia apatetica (A. Massal.) Th. Fr., Arthonia punctiformis Ach., Calogaya lobulata (Flörke) et al., Melanelixia cf. subargentifera (Nyl.) O. Blanco et al., Myriolecis hagenii (Ach.) Śliwa et al., Phaeophyscia nigricans (Flörke) Moberg, Physcia adscendens H. Olivier, Polycauliona polycarpa (Hoffm.) Frödénet al., Rinodina pyrina (Ach.) Arnold, Toninia populorum (A. Massal.) Kistenichet al., Xanthoria parietina (L.) Th. Fr.