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Wetland and Aquatic Plants
of
Oklahoma
Interactive Keys: Floating Leaf Plants
Pondweeds
(Potamogetonaceae)
Notes:
The seeds, or
achenes, are an important food for
waterfowl. The stems and foliage of
some species are also eaten by insects, waterfowl and shorebirds, and
mammals. Pondweeds provide excellent
habitat for aquatic invertebrates and juvenile fishes.
NWI status:
All pondweeds are classified as OBL
Largeleaf
pondweed (Potamogeton
amplifolius Tuckerman)
Native
perennial.
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thumbnails to enlarge
Notes:
Submersed leaves are oval to lance shaped and are attached to the stem
(sessile) or on short petioles.
Waterthread
pondweed (Potamogeton
diversifolius Raf.)
Native
perennial.
Notes:
One of the most common species of pondweed in eastern Oklahoma. The leaves have longer petioles and are
smaller than the other species listed. Submersed
leaves are long and narrow.
Longleaf
pondweed (Potamogeton nodosus
Poir.)
Native perennial.
Notes:
The most common species of pondweed in Oklahoma. Base
of the leaf is rounded or tapering (cuneate).
Spotted
pondweed (Potamogeton
pulcher Tuckerman)
Native
perennial.
Last update: 1/23/04
Comments to : Bruce Hoagland
bhoagland@ou.edu
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