Volume 092: Frisch, Andreas, Klaus Kalb und Martin Grube: Contribution towards a new systematics of the lichen family Thelotremataceae I. The lichen family Thelotremataceae in Africa II. A monograph of Thelotremataceae with a complex structure of the columna III. Molecular phylogeny of the Thelotremataceae. 2006. 159 figs. 9 tabs. 26 pls. 556 p. gr8vo. Paper bd.