Fern fronds, coloured X-ray. The round structures are clusters of spore-bearing sporangia. Spores are the reproductive cells of a fern. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / ALBERT KOETSIER X-RAY |
Bildgröße: | 4645 px × 3762 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |