no photo — written note
Plants
Wavy-edged submerged leaves that grow under ice and die back in midsummer.
Field facts
HabitatLakes, ponds, slow streams
RangeStatewide
When to lookPeaks May to June
StatusInvasive in Indiana (Indiana DNR / IUCN Red List)
Look-alikesNative pondweeds
Field note: It gets ahead of natives by growing under winter ice.
Lesson
Watching responsibly
Its summer die-off fuels algae blooms; report new lake infestations.
Your records
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