Polarised darkfield light micrograph of a transverse section through external part of the stalk of a horsetail (Equisetum sp.). Magnification: x40 when printed 10cm wide. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Mis, Marek |
Bildgröße: | 7109 px × 4912 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |