Lichen. Macrophotograph of a cup lichen (Cladonia sp.) with orange fruiting bodies. Lichens are organisms formed by the symbiotic association of a fungus and a green alga or cyanobacterium. The algal cells use photosynthesis to produce nutrients which are absorbed by fungal hyphae that surround and penetrate the algae. Fungal hyphae also absorb minerals from rainwater or acidic digestion of the substrate. Cladonia lichen are classified as fruticose lichen due to the presence of erect structures. Photographed by the USGS Bee Inventory and Monitoring Lab: an organisation dedicated to identifying,cataloguing and monitoring bees and other species | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / US Geological Survey |
Bildgröße: | 3996 px × 2664 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |