Light micrograph of a seed grain of Sun Spurge, Euphorbia helioscopia, showing the upper side of the seed grain taken from a wildflower. Microscopic contrast technique : Incident lighting. Magnification 40x when printed 10 centimetres wide. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Guenther, Gerd |
Taille de l’image : | 4180 px × 4180 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |