Longleaf Pondweed- Potamogeton nodosus

Long-Leaf Pondweed Leaf
One of the floating leaves of Long-leaf Pondweed (Potamogeton nodosus).

Longleaf Pondweed (Potamogeton nodosus) is sometimes classified as a submergent or floating-leaf plant.  This species, like several other potamogetons, have submergent leaves and floating ones.  The submergent leaves of Long-leaf Pondweed are 10-30 cm long and 1-3 cm wide.  The form while the plant is still completely submerged, and when the floating leaves are present, the submerged leaves decay or are inconspicuous.

Long-Leaf Pondweed Plants
An overgrown mass of Long-leaf Pondweed