Light micrograph of an archegonium (female sex organ) in the prothallus of a fern (Dryopteris sp.). Magnification x285 when printed at 10 centimetres wide. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Walker, M.I. |
Taille de l’image : | 5172 px × 3378 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |