Lichen-covered rock. A lichen is a composite organism arising from algae or cyanobacteria (or both) living amongst the filaments of a fungus in a symbiotic relationship. Photographed in Sardinia,Italy | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Gibbons, Bob |
Taille de l’image : | 5386 px × 3591 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |