Appears to be well contained, but some is growing within town road right-of-way.
Clump close to the ford by the River Rib. Clump now lost due to verge cutting. In flower early May
Petasites hybridus (L.) G.Gaertn., B.Mey. & Scherb., Common Butterbur, Gentofte Sø, Gentofte, Denmark, 4 May 2013
The plants commonly referred to as Butterbur are found in the daisy family Asteraceae in the genus Petasites. They are mostly quite robust plants with thick, creeping underground rhizomes and large Rhubarb-like leaves during the growing season. Another common name for many species of this genus is Sweet Coltsfoot.