Close-up of the peeling white bark of the silver birch tree Betula pendula. The short horizontal lines are lenticels,a type of pore through which the tree trunk "breathes". The green patches are colonies of Pleurococcus sp. ,a single-celled green alga | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Burgess, Dr. Jeremy |
Bildgröße: | 3555 px × 5032 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |