UK-based organization aims to promote biological controls for the exotic plant. Explore the weed's biology and ecological effects.

Find a description of the hardy exotic plant and explore its ecological and environmental impact. Includes photograph.

Hardy invasive plant can crowd out native species. Explore its biology, distribution, preferred habitats and control.

Tenacious perennial plant crowds out native plant communities and can create a fire hazard. View photo and find advice on control measures.