Cladonia (cup lichen) is a genus of moss-like lichens in the family Cladoniaceae. They are the primary food source for reindeer and caribou. Cladonia species are of economic importance to reindeer-herders, such as the Sami in Scandinavia or the Nenets in Russia. Antibiotic compounds are extracted from some species to create antibiotic cream. The l... Found on http://en.wikipedia.org/wiki/Cladonia
genus of lichens that includes those species commonly known as cup lichen, reindeer moss, and British soldiers (qq.v.).[1 related articles] Found on http://www.britannica.com/eb/a-z/c/90