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.
Summaries of State Plant Protection Laws and Regulations