IWAKI, Fukushima Prefecture—A weed described as “the worst alien species on the planet” has been discovered for the first time in the northeastern Tohoku region, alarming local farmers and officials.
Introduced centuries back as an ornamental import from Brazil, water hyacinth is now the country’s most relentless aquatic weed, thriving on sewage, fertiliser runoff and civic neglect Introduced ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results