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The Washington State Noxious Weed Control Board has created an online weed search form that allows you to enter the habitat, color, leaf arrangement or if known, the name of the plant to identify ...
The most current statewide list, maintained by the Washington State Noxious Weed Control Board, identifies over 140 noxious weeds of interest and concern and classifies them by how important it is ...
Pierce County Noxious Weed Control Board reports can be made by calling 253-798-7263 Whatcom County Noxious Weed Board takes reports at 360-778-6234 Columbia County Weed Board can be reached at ...
Meadow knapweed is considered an invasive species and noxious weed in some areas. Meadow knapweed has the ability to out-compete grasses and other species used for livestock forage, and may take over native prairie and savannah ecosystems. It is common in ruderal areas such as roadsides, clear cuts, and industrial areas. [4]
Tripleurospermum inodorum has been classified as a noxious weed (class C) in the state of Washington [11] and is considered invasive in other states (it is resistant to some herbicides); it is a weed of cereals in western Canada.
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.
Noxious weeds can be deadly for humans, animals and other plants in your garden. Here’s how to identify a plants before you get hurt. Noxious weeds can be deadly for humans, animals and other ...
In the U.S. state of Washington, it is listed as a Class B Noxious Weed and therefore banned from sale by state law. [61] [62] [63] It is also a B-listed Noxious Weed in the state of Oregon. [64] The variegated yellow archangel (Lamium galeobdolon subsp. argentatum) has become an invasive subspecies in several European countries.