Beard lichen (Usnea barbata,pale green) on a pine tree (Pinus sp.). Lichens are formed from the a symbiotic association between a fungus and an alga. Photographed in La Palma of the Canary Islands | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Brackenbury, Dr. John |
Taille de l’image : | 5194 px × 3450 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |