Beard lichen (Usnea barbata,cream) on a pine tree (Pinus sp.). Lichens are formed from the symbiotic association between a fungus and an alga. Photographed in a cloud forest on the Canary Islands | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Brackenbury, Dr. John |
Taille de l’image : | 3452 px × 5197 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |