Potamogeton alpinus (photo by A. A. Bobrov)

Licence: 
Creative Commons Licence
Description: 

Robust river Potamogeton alpinus on flow (the R. Uftyuga,  Vologda reg., Russia)

Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith