Striga Species, Witchweed

Several states have this plant on their hit list. The USDA has them listed as such:

United States:
wit...Read Morechweed 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