a legal designation used specifically for species that have been determined to be major pests of agricultural systems and are subject, by law, to certain restrictions.
Weeds that government agencies want to prevent from establishing in a particular area.
A plant that is undesirable because it is harmful to other plants.
A plant defined by law as being especially undesirable, troublesome, and difficult to control.
a legal term under State and Federal Law for plants with aggressive growth habits that are not native to the U
a non-native plant that is generally highly aggressive, and which can cause problems for natural areas, agriculture, and/or recreation
a plant that has been defined as a pest by law or regulation
a plant that is declared noxious, by the state or county, because it causes significant economic impacts within the state and/or county
a plant that legally has to be removed or controlled
a plant that poses a threat to agriculture, the environment or the community and has the potential to spread to other areas
a weed that is considered by the authorities of an area to be a problem and needs eradication
a weed that is invasive and alien to the surrounding ecosystem and it is on a federal, state, or local list that recommends or mandates management of the plant
A weed defined by law as being especially undesirable, troublesome, or difficult to control.
Non-native plant species that, because of aggressive growth habits, can threaten native plant communities, wetlands or agricultural lands. The Washington State Noxious Weed Board has the authority to designate certain plants as "noxious" in the state. Eurasian watermilfoil ( Myriophyllum spicatum) is a noxious weed in Washington.
Each state has a list of weeds that are considered noxious in their state. Often very difficult to control, noxious weeds can be particularly troublesome in turf. If a weed is consider noxious by a state and is present is a seed lot, the noxious weed is required to be listed on the seed label..
An unwanted plant specified by Federal or State laws as being especially undesirable, troublesome, and difficult to control. It grows and spreads places where it interferes with the growth and production of the desired crop.
A weed specified by law as being especially undesirable, troublesome, and difficult to control. Definition will vary according to legal interpretations.
designated by the Alberta Weed Control Act (1991), requiring control of its spread, growth, ripening or scattering of seed.
A term used in reference to generally hateful plant species we do not like and want to eradicate.
(3) according to the Federal Noxious Weed Act (PL 93-629), a weed that causes disease or has other adverse effects on humans and their environment and is therefore detrimental to public health and the agriculture and commerce of the United States.
A noxious weed is a plant that is considered by local authorities to be a problem, growing where it is not wanted.