Peter M Greenwood:
Potamogeton nodosus Poir. = Misapplied names: (Potamogeton fluitans Roth (Flora Vascular de Andalucía Oriental)
Peter M Greenwood:
Potamogeton crispus L. - Curled pondweed
Peter M Greenwood:
Potamogeton crispus L. - Curled Pondweed
Peter M Greenwood:
Potamogeton berchtoldii - Small Pondweed
Peter M Greenwood:
Stuckenia pectinata (L.) Böerner - Fennel Pondweed