Light micrograph of one unripe seed (green) and two ripe seed grains (brown) of the scarlet pimpernel plant, Anagallis arvensis, a common wild flower. Microscopic contrast technique : Incident lighting. Magnification 40x when printed 10 centimetres wide. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Guenther, Gerd |
Bildgröße: | 5792 px × 4079 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |