Sweet William pollen grains. Coloured scanning electron micrograph (SEM) of pollen grains from a sweet William (Dianthus barbatus) flower. Pollen grains are the male sex cells of a flowering plant. Magnification: x670 when printed at 10 centimetres wide. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / EYE OF SCIENCE |
Taille de l’image : | 4501 px × 3883 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : |
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