DANGEROUS INVADER: Hydrilla, a fast-spreading invasive weed currently clogging sections of the D&R Canal, can grow an entirely new plant from a tiny stem fragment. Those using the canal for boating are advised to wash off their vessel after leaving the water to help stop the plant’s spread.
As if the emerald ash borer plaguing Princeton’s tree canopy wasn’t enough, there is another dangerous invader on the move. It’s Hydrilla, a fast-spreading invasive weed currently clogging sections of the Delaware and Raritan Canal.