Polarised light micrograph of the external layer of a horsetail (Equisetum sp.) leaf. Magnification: x186 when printed 10 centimetres wide. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Mis, Marek |
Taille de l’image : | 6645 px × 4520 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |