Potamogeton amplifolius Tuck.
large-leaved pondweed (largeleaf pondweed)
Potamogetonaceae (Horned pondweed family)
Introduction to Vascular Plants
large-leaved pondweed (largeleaf pondweed)
Potamogetonaceae (Horned pondweed family)
Introduction to Vascular Plants