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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 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 ...
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 ...
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 ...
Meadow knapweed is considered a noxious weed in British Columbia, Idaho, Oregon, and Washington. [6] Cultivating areas is shown to reduce populations of meadow knapweed. Hand removal can be effective, but herbicide use is recommended. [7] The weevil Larinus obtusus is used as a biological control.
The Plant Protection Act (PPA) (part of Pub. L. 106–224 (text)) is a US statute relating to plant pests and noxious weeds introduced in 2000. It is currently codified at 7 U.S.C. 7701 et seq . It consolidates related responsibilities that were previously spread over various legislative statutes, including the Plant Quarantine Act , the ...
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 ...
Jacobaea vulgaris, syn. Senecio jacobaea, [2] is a very common wild flower in the family Asteraceae that is native to northern Eurasia, usually in dry, open places, and has also been widely distributed as a weed elsewhere.