Targeted Weeds in Continental North America

This section lists invasive plants targeted with biocontrol in North America. Linked profiles include each weed’s ecology, current distribution, available biocontrol agents, and links to resources with additional information useful for identification, education, and biocontrol implementation. Use the search box or filters to find specific plants by name, trait, or associated biocontrol agent.

Note: Not all weeds below have biocontrol agents currently approved for redistribution. Check the approval status of associated agents or the resources linked in corresponding weed pages for more information.

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air potato

alligatorweed

black swallow-wort

Bohemian knotweed

Brazilian peppertree

bull thistle

Canada thistle

Cape-ivy

common crupina

common gorse

common reed (European)

common salvinia