Hollyhock (Alcea setosa) pollen, coloured scanning electron micrograph (SEM). Magnification: x1250 when longest axis printed at 297 millimetres. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / LINEAR IMAGING / LINNEA RUNDGREN |
Taille de l’image : | 5912 px × 5912 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |