ABSTRACT While recent studies indicate a high diversity of lichens in the tropical regions of the world equaling or even surpassing that of temperate areas, studies of lichens in these regions remain rare and Kenya is no exception. The aim of this study was to enhance our knowledge of lichen diversity in Mt. Kenya forest. Diversity, composition and altitudinal distribution of corticolous lichens was evaluated in Chogoria a wet forest type and Sirimon a dry upland forest. At every 200m elevat...