Exotic Pest Reporting
USDA APHIS PPQ Archive, USDA APHIS PPQ, Bugwood.org
Miramarweed; Indian waterweed
Miramarweed; Indian waterweed (Hygrophila polysperma) is an invasive plant. It is a native of India and Malaysia.
Indian waterweed first appeared in the aquarium trade. It grows rapidly, roots easily and becomes invasive, destroying water ecosystems.