Beneficial weed
Invasive plant with positive effects / From Wikipedia, the free encyclopedia
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A beneficial weed can be an invasive plant that has some companion plant effect, is edible, contributes to soil health, adds ornamental value,[1][2] or is otherwise beneficial. These plants are normally not domesticated. However, some invasive plants, such as dandelions, are commercially cultivated, in addition to growing in the wild. Beneficial weeds include many wildflowers, as well as other weeds that are commonly removed or poisoned. Certain weeds that have obnoxious and destructive qualities have been shown to fight illness and are thus used in medicine. For example, Parthenium hysterophorus, native to northern Mexico and parts of the US, has been an issue for years due to its toxicity and ability to spread rapidly. In the past few decades, though, research has found that P. hysterophorus was "used in traditional medicine to treat inflammation, pain, fever, and diseases like malaria dysentery." It is also known to create biogas that can be used as a bioremediation agent to break down heavy metals and other pollutants.[3]
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