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The Federal Noxious Weed Act of 1974 ("FNWA", Pub. L. 93–629, 88 Stat. 2148, enacted January 3, 1975) established a federal program to control the spread of noxious weeds. The United States Secretary of Agriculture was given the authority to declare plants "noxious weeds", and limit the interstate spread of such plants without a permit.
The federal government defines noxious weeds under the Federal Noxious Weed Act of 1974. Noxious weeds are also defined by the state governments in the United States. [26] Noxious weeds came to the U.S. by way of colonization. [27] Some wildflowers are lesser known noxious weeds. A few of them are banned in certain states. [28]
The Idaho Department of Agriculture has around 300 introduced or exotic species listed with 36 classified as noxious weeds. The legal designation of noxious weed for a plant in Idaho can use these four criteria: [88] It is present in but not native to state-province-ecosystem. It is potentially more harmful than beneficial to that area.
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Noxious weeds are defined as “invasive, non-native plants that threaten agricultural crops, local ecosystems, or fish & wildlife habitats,” the Washington State Noxious Weed Control Board ...
The PPQ works to safeguard agriculture and natural resources in the U.S. against the entry, establishment, and spread of animal and plant pests, and noxious weeds in order to help ensure the protection of native flora and an abundant, high-quality, and varied food supply.
By 1997, the vine was placed on the "Federal Noxious Weed List". [5] [7] Kudzu was removed from the list of Federal Noxious Weeds in 2000 with the repeal of sections 2801 through 2813 of the Federal Noxious Weed Act of 1974, which were superseded by updated legislation; however it is still listed as a noxious weed in various states.
Solanum viarum is native to Brazil and Argentina, and was first discovered in the United States in 1988, having probably been introduced through contaminated seed or other agricultural products. It crowds out native species and forage for livestock [ 5 ] Its habitat is terrestrial, in fields, rights-of-way , and open forest.