Here's the plant's CABI Compendium entry: https://www.cabidigitallibrary.org/doi/10.1079/cabicompendium.23875 https://www.cabidigitallibrary.org/doi/10.1079/cab

Here's the plant's CABI Compendium entry: https://www.cabidigitallibrary.org/doi/10.1079/cabicompendium.23875 https://www.cabidigitallibrary.org/doi/10.1079/cabicompendiu... Reading it is quite chilling. Getting rid of the plant is extremely difficult, requiring displacing several meters depth worth of soil, or using extremely toxic chemicals. There have been some pilot trials approved in Europe (Netherlands, UK) using biological control with psyllids imported from Japan in the recent years. We'll see how that goes.