Burhead pollen grains,coloured scanning electron micrograph (SEM). These pollen grains are from the burhead plant (Echinodorus). Pollen grains are reproductive structures produced by the male parts of flowering plants | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Oeggerli, Martin |
Taille de l’image : | 4835 px × 3626 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |