Light micrograph of a calyx of perennial yellow-woundwort, Stachys recta, showing several spikes at the upper end of the calyx. Microscopic contrast technique: Incident lighting. Magnification: 20x when printed 10 centimetres wide. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Guenther, Gerd |
Bildgröße: | 5616 px × 3744 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |