RiverCare and the Environment Agency have unveiled a new project to tackle invasive non-native Floating Pennywort on the River Great Ouse.
Thought to have been introduced into British freshwaters from the ornamental pond industry, it can grow up to 20cm a day, rapidly blanket watercourses and cause major problems for wildlife and river users.
Because of the speed with which this species grows, catching early growth is key in successful control - and the joint project is calling on river-based organisations, towns and villages to help spread awareness.
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You can log any sightings of Floating Pennywort here
Lesley Saint, from the Environment Agency, said: “Local river users can really help in the fight to control this invasive species both by reporting sightings and taking steps to prevent its spread.
"Floating Pennywort can re-grow from thumbnail-sized fragments so checking, cleaning and drying equipment after use is very important to prevent accidently transporting it to another area of the river.”