Lichen (families Arthoniaceae and Graphidaceae) growing on an ash tree (Fraxinus sp.). Lichens are symbiotic organisms formed of a fungus and an alga that mutually benefit one another | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Nuridsany, Claude / Perennou, Maria |
Bildgröße: | 5025 px × 3519 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
|