Biologists analyzed 150 samples from across the U.K. and concluded that British knotweed was all a clone of that original plant,…

Biologists analyzed 150 samples from across the U.K. and concluded that British knotweed was all a clone of that original plant, now one of the world’s largest. The DNA was identical. Not just one species but a single plant had conquered the entire UK. https://t.co/pp5IaMiIFO

— anna ridler (@annaridler) July 1, 2019

(via http://twitter.com/annaridler/status/1145740767077502976)