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.

Silverleaf nightshade infests 60 pct of Syria farmland There is a risk of weed spread to Lebanon, Jordan MILAN, May 24 (Reuters) - An invasive alien weed, silverleaf nightshade, is theatening cotton ...

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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 ...