Potamogeton

Potamogeton natans

Floating-leaf pondweed

Potamogeton perfoliatus

Perfoliate pondweed

Potamogeton crispus

Curled pondweed

Potamogeton polygonifolius

Bog pondweed

Potamogeton pusillus

Lesser pondweed

Potamogeton berchtoldii

Little aguja pondweed

Potamogeton gramineus

Various-leaf pondweed

Potamogeton alpinus

Alpine pondweed

Potamogeton lucens

Shining pondweed

Potamogeton nodosus

Longleaf pondweed

Potamogeton obtusifolius

Blunt-leaved pondweed

Potamogeton trichoides

Hairlike pondweed

Potamogeton friesii

Fries' pondweed

Potamogeton praelongus

Whitestem pondweed

Potamogeton compressus

Grass-wrack pondweed

Potamogeton coloratus

Fen pondweed

Potamogeton epihydrus

American pondweed

Potamogeton foliosus

Leafy pondweed

Potamogeton richardsonii

Potamogeton diversifolius

Waterthread pondweed