Water hyacinths (Eichhornia crassipes) clogging a channel of the Sacramento River Delta,California. The yellow flowers are probably water primrose (Ludwigia sp.) | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Hansen, Richard R. |
Taille de l’image : | 3408 px × 5129 px |
Model Release : | Non requis |
Restrictions : |
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