English Lichen Cited by user Zefr on 06 Feb 2017 A lichen is a composite organism that arises from algae or cyanobacteria living among filaments of multiple fungi species in a mutualistic relationship.
English Cladonia rangiferina Cited by user Rjwilmsi on 18 Dec 2016 Other common names include reindeer moss and caribou moss, but these names may be misleading since it is not a moss.