Tangled underwater stems and vast canopy of strings of paired leaves at the surface
- English Name: Eurasian Watermilfoil
- Latin Name: Myriophyllum spicatum
- Propogate: Vegetative fragmentation and Seeds
- Symptoms: Thick vast canopy of strings of paired leaves at the surface. Complete take over of a shallow lake
- Dangers: Clogs water, inhibits other aquatic plants. Can tangle swimmers and restrict water usage