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41 pondweeds species
Potamogeton crispus
Potamogeton natans
Potamogeton richardsonii
Potamogeton amplifolius
Potamogeton epihydrus
Potamogeton robbinsii
Potamogeton gramineus
Potamogeton zosteriformis
Potamogeton nodosus
Potamogeton perfoliatus
Potamogeton praelongus
Potamogeton spirillus
Potamogeton illinoensis
Potamogeton alpinus
Potamogeton berchtoldii
Potamogeton obtusifolius
Potamogeton vaseyi
Potamogeton pusillus
Potamogeton oakesianus
Potamogeton bicupulatus
Potamogeton friesii
Potamogeton foliosus
Potamogeton confervoides
Potamogeton hillii
Potamogeton pulcher
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