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Clasping leaf pondweed produces a fruit which can be important
for a variety of ducks and geese. Muskrat, deer, beaver and moose
can be found grazing on this plant. The leaves and stems of
Clasping Leaf pondweed are colonized by invertebrates and provide
cover for fish.
Dense populations can reduce water temperature by over
shading the water along with blocking sunlight to other
submersed vegetation. Oxygen concentrations may rapidly
decline as these plants die in late summer. Clasping Leaf
Pondweed may form dense mats interfering with fishing, boating
This pondweed gets its name from the leaves which partially
surround its stems. Clasping-leaf pondweed can be easily identified
by its thin, delicate, oval shaped leaves.
The leaves are wide with a broad base that 'clasps' the stem.
Easily visible veins run the length of each leaf, 10 to 16 weaker
veins, and usually wavy margins. The leave's edges are smooth and
the tip comes to a point. The leaves are typically between 3 and 12
centimeters in length. Stipules are between 1 and 2 centimeters
long and are found wrapped around the stems near the base.
Clasping-leaf pondweed can sometimes be confused with curly-leaf
pondweed. The easiest way to tell the two species apart is to
look at the tips of the leaves. Clasping-leaf tips will come to a
point while curly-leaf tips will be blunt and rounded.
A. Spot treat as
needed to maintain navigation channels and swimming areas. Remember
this plant is very beneficial and should not be treated where it is
not a nuisance.
A. Once water
temperatures are around sixty degrees or warmer however this plant
responds equally well to herbicide treatment when mature.
A. One treatment
per season is usually enough.
within two to three weeks things will be cleared up.
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