Watermilfoil (Myriophyllum sp.) stalk. Polarised light micrograph of a longitudinal section through the stalk of a watermilfoil plant, showing druses (small yellow crystals) and starch grains (round) filling the cells. Magnification: x400 when printed 10 centimetres wide. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Mis, Marek |
Taille de l’image : | 5136 px × 3402 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |