Search results
Results from the WOW.Com Content Network
In North America, tall waterhemp is considered a major weed of agricultural fields and other disturbed habitats. [11] The Southern Weed Science Society includes tall waterhemp on their list of weed species. [21] However, it is not listed on the federal noxious weed list or any state lists in the United States. [22]
It now is a noxious weed throughout North America, dominating disturbed habitats such as roadsides, cultivated fields, eroded slopes, and arid regions with sparse vegetation. Though it is a troublesome weed, Kali tragus also provides useful livestock forage on arid rangelands. [9]
Feral cannabis is an exceptionally hardy weed, widely dispersing its seeds which can lie dormant for 7–10 years before sprouting again. [4] In Minnesota, hemp is classified among the 11 "noxious prohibited weeds" along with several species of thistle, and noted for damaging farmers' plowing equipment. [5]
You might even face a fine if you knowingly allow these plants to flourish on your property. We explain how to identify and eradicate them.
This is a parasitic noxious weed, Striga gesnerioides, commonly called Witchweed. This is a terrestrial noxious weed, Drymaria arenarioides commonly called Lightning weed. It is sometimes confused with daisies. Some noxious weeds are harmful or poisonous to humans, domesticated grazing animals, and wildlife. Open fields and grazing pastures ...
The weed can grow up to 4 feet tall and spreads quickly, according to Timothy Prather, who sits on the Idaho Noxious Weed Control Association board of directors. Congongrass can spread up to 3 ...
In 1993, the OTA estimated that a total of $100 million is invested annually in invasive species aquatic weed control in the U.S. [19] Introduced rats cause more than $19 billion per year in damages, [20] exotic fish cause up to $5.4 billion annually, and the total costs of introduced weeds are estimated at around $27 billion annually. [21]
It is best known as a widespread weed and pest plant. It is native to the tropical Americas including Mexico, [1] but it has been introduced to tropical, subtropical, and mild temperate regions worldwide. It is listed as a noxious weed in the United States and has pest status in nine states. [3]