Scanning electron micrograph (SEM) of pollen grains peppering the anther of an Hibiscus sp. flower. Pollen tubes are seen growing from the grains. Magnification: x138 when printed at 10 centimetres wide. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / KARL GAFF |
Bildgröße: | 2652 px × 1986 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |