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A noxious weed, harmful weed or injurious weed is a weed that has been designated by an agricultural or other governing authority as a plant that is harmful to agricultural or horticultural crops, natural habitats or ecosystems, or humans or livestock. Most noxious weeds have been introduced into an ecosystem by ignorance, mismanagement, or ...
Ambrosia in chicken coop in Belgium Common ragweed, Ambrosia artemisiifolia , is a widespread invasive species , and can become a noxious weed , that has naturalized in Europe ; temperate Asia and the Indian subcontinent ; temperate northern and southern Africa and Macaronesia ; Oceania in Australia , New Zealand , and Hawaii ; and Southwestern ...
This species is well known as a noxious weed, both in its native range and in areas where it is an introduced and often invasive species. [7] [8] [9] It is naturalized in some areas, and it is recorded as an adventive species in others. [3] It grows in many types of disturbed habitat, such as roadsides, and in cultivated fields.
Goatsrue is a noxious weed that has a low distribution in Washington, but is on Washington’s quarantine list due to its fatal symptoms. If any part of the weed is ingested it can be fatal, and ...
In the United Kingdom, common ragwort (Senecio jacobaea) is one of the five plants named as an injurious weed under the provisions of the Weeds Act 1959. The word injurious in this context indicates that it could be harmful to agriculture, not that it is dangerous to animals, as all the other injurious weeds listed are non-toxic.
Common names include Santa-Maria, [2] Santa Maria feverfew, [3] whitetop weed, [4] and famine weed. [5] In India, it is locally known as carrot grass, congress grass [6] or gajar ghas or dhanura. [7] It is a common invasive species [8] in India, [9] Australia, and parts of Africa. [5] Pollen grains of Parthenium hysterophorus
Lolium temulentum, typically known as darnel, poison darnel, darnel ryegrass or cockle, is an annual plant of the genus Lolium within the family Poaceae.The plant stem can grow up to one meter tall, with inflorescence in the ears and purple grain.
Giving plants as holiday gifts is a popular tradition, but if there are children or pets in the home, you'll need to be alert. ... Some plants are toxic. Skip to main content. 24/7 Help. For ...