Environment Agency tackles floating pennywort outbreak in River Thames

The Environment Agency has drawn up an action plan to tackle an invasion of floating pennywort in the River Thames believed to have originated in a London park.

by Sarah Cosgrove
Floating Pennywort in Walthamstow East London in 2010. Image: GBNNSS for Defra
Floating Pennywort in Walthamstow East London in 2010. Image: GBNNSS for Defra

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