Scanning electron micrograph (SEM) of spores on a maidenhair spleenwort (Asplenium trichomanes) frond. Stomata (green ovals) are also seen on either side of a vein. Magnification: x211 when printed at 10 centimetres wide. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / KARL GAFF |
Taille de l’image : | 1986 px × 2652 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |