Japanese knotweed Fallopia japonica root crown
![Invasive japanese knotweed botanical illustration of root ball](https://lizzieharper.co.uk/wp-content/uploads/2019/01/Japanese-knotweed-Fallopia-japonica-root-crown-500x365.jpg)
Japanese knotweed Fallopia japonica root crown with cross section of root and detail of pink growing tips
Japanese knotweed Fallopia japonica root crown with cross section of root and detail of pink growing tips