Striga Species, Purple Witchweed

This plant is listed as a noxious weed in the USDA website. These are the states listed.

United States:
...Read More witchweed Noxious weed
witchweed Quarantine
Alabama:
witchweed Class A noxious weed
Arizona:
witchweed Prohibited noxious weed
Arkansas:
witchweed Noxious weed
California:
witchweed Quarantine
Hawaii:
witchweed Noxious weed
Massachusetts:
witchweed Noxious weed
Minnesota:
witchweed Prohibited noxious weed
North Carolina:
witchweed Class A noxious weed
Oregon:
witchweed Quarantine
South Carolina:
witchweed Plant pest
Vermont:
witchweed Class A noxious weed