Bistort or european bistort, bistorta officinalis syn.: persicaria bistorta l. Samp., polygonum bistorta l., bistorta major s.f.gray
Invasive plant control of Japanese Knotweed, Fallopia japonica, near St Keverne, Cornwall, England, UK.虎杖
Invasive plant control of Japanese Knotweed, Fallopia japonica, near St Keverne, Cornwall, England, UK.虎杖
Invasive plant control of Japanese Knotweed, Fallopia japonica, near St Keverne, Cornwall, England, UK.虎杖
Nancye Tuttle of Wells drifts along the Merriland River underneath towering Japanese Knotweed at the Wells National Estuarine Research Reserve on...