![](http://www.alamy.com/thumbs/6/DE2CD57E-E3D6-4435-BD8F-12824F2B4E70/HNMK72.jpg)
Japanese Knotweed: Fallopia japonica
Size: 4000px × 6000px
Photo credit: © adrian davies / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: alien, botant, ecology, environment, flower, flowering, foreign, habitat, introduced, invader, invasive, japan, japanese, knotweed, menace, pest, plant, problem