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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. [31] Noxious weeds came to the U.S. by way of colonization. [32] Some wildflowers are lesser known noxious weeds. A few of them are banned in certain states. [33]
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: [89] It is present in but not native to state-province-ecosystem. It is potentially more harmful than beneficial to that area.
In November of 2021, Pennsylvania added the Bradford pear to its "Noxious Weed," list, which makes it illegal to propagate or sell the tree in the state. "Noxious weeds are determined to be ...
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 ...
Goatsrue, a federally listed noxious weed and toxic to humans and animals if ingested, has been identified in Whatcom County. Standing 4 feet to 6 feet tall with white or purple pea-like flowers ...
This is a list of flora of Utah, a state in the ... invasive or noxious per the official list of noxious weeds maintained by ... on 31 December 2024, ...
Oryza rufipogon is an invasive species and listed as a 'noxious weed' by the United States, [19] ... This page was last edited on 17 December 2024, at 07:01 (UTC).
The FISC list is a recommendation for natural resource managers, environmental education, and volunteer removal, but is not regulatory by law. [173] State regulated plant species are listed in the State of Florida Noxious Weed List, and the State of Florida Prohibited Aquatic Plants List. [178]