Provides information about invasive plants, including kudzu, garlic mustard, purple loosestrife, and others.

What are plant invaders? -- Kudzu -- Garlic mustard -- Water hyacinth -- Black wattle -- Japanese knotweed -- Giant reed -- Purple loosestrife -- Siam weed -- Leafy spurge -- Cogon grass -- Prickly pear -- SOS: save our species!.