Authenticated (13/02/06) by Matt Richardson, independent primatologist and writer.
Glossary
Lichen: a composite organism made up of a fungus in a co-operative partnership with an alga. Owing to this partnership, lichens can thrive in harsh environments such as mountaintops and polar regions. Characteristically forms a crustlike or branching growth on rocks or tree trunks.
Renmei, R., Kirkpatrick, R.C., Jablonski, N.G., Bleisch, W.V. and Canh, L.X. (1998) Conservation status and prospects of the snub-nosed langurs (Colobinae: Rhinopithecus). In: Jablonski, N.G. (Ed) The Natural History of the Doucs and Snub-nosed Monkeys.World Scientific, Singapore.