Fern spores. Coloured scanning electron micrograph (SEM) of spores (red) of a fern partly enclosed in a sporangium. The undersides of the leaves of ferns are covered in these spore-containing sacs. Spores are released when the wall of a sporangium dries and splits,catapulting them away from the plant | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Gschmeissner, Steve |
Bildgröße: | 2400 px × 1789 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |