Light micrograph of a seed head of Sow-Thistle, Sonchus arvensis, showing several ripened seed grains with their parachute-like hairs, supporting the aerial dissemination of the seeds. Microscopic contrast technique : Incident lighting. Magnification 30x when printed 10 centimetres wide. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Guenther, Gerd |
Taille de l’image : | 4788 px × 3650 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |