Search results
Results from the WOW.Com Content Network
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 ...
Noxious weeds are defined as “invasive, non-native plants that threaten agricultural crops, local ecosystems, or fish and wildlife habitats,” the Washington State Noxious Weed Control Board ...
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 ...
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.
It is capable of spreading and thereby becoming an invasive weed. All parts of the plant are toxic , especially the seeds and roots, and especially when ingested. Under the right conditions the plant grows quite rapidly during the growing season and can reach heights of 2.4 metres (8 feet), with a long penetrating root .
In some areas, Bohemian knotweed is classified as an invasive species and a noxious weed. It is illegal to transport and sell in multiple US states, including Minnesota, [1] Washington, [5] and Wisconsin. [6] Mechanical control and hand pulling are ineffective. Repeat herbicide application through spraying leaves and injecting stems is the best ...
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.
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.