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Variable-leaf PondweedScientific Name: Potamogeton diversifolius
•2 leaf forms: surface leaves are oval, about 1 to 2 inches long and opposite; subsurface leaves are thin, ribbon-like and alternate; stem often forks.
•If surface leaves not present, it appears like Najas guadalupensis; however, subsurface pondweed leaves are longer and more ribbon-like.
•Can become “topped-out”. Small light green seed head (less than 1 inch) may be visible just above surface when topped-out.