USDA. APHIS. Plant Protection and Quarantine.
See also: Noxious Weeds Program: Regulations and Noxious Weed Regulations (U.S. Government Publishing Office - Electronic Code of Federal Regulations; Title 7: Agriculture, Part 360)
USDA. APHIS. Plant Protection and Quarantine.
See also: Noxious Weeds Program: Regulations and Noxious Weed Regulations (U.S. Government Publishing Office - Electronic Code of Federal Regulations; Title 7: Agriculture, Part 360)