The Continuing Spread of Japanese Knotweed
The Continuing Spread of Japanese Knotweed Japanese knotweed was initially indigenous to Japan, China and Korea – it has now spread worldwide, and the World Conservation Union has list it as one of the world’s worst invasive species. Read on below on the spread of Japanese Knotweed worldwide! Europe Phillipp Franz Balthasar von Siebold, the physician and botanist, bought Japanese […]