Wirth, V. & Kondratyuk, S. Y. 2010. New species of the lichen family Teloschistaceae from the Namib Desert and the Succulent Karoo (SW-Africa). — Herzogia 23: 179–194.
Five new species of the genus Caloplaca (C. albocrenulata, C. gypsicola, C. renatae, C. subochrochroa and C. wesselsii) and one new Jackelixia-species (J. ottolangei) from the Namib Desert and the adjacent Karoo are described. The type of Caloplaca leucoxantha is investigated. A key of the hitherto known Caloplaca species of the Namib Desert is provided.