in America, they discovered hundreds of different species and more and more they appear much more. It has a big impact on the environment and agriculture. Although the government has tried to destroy it but could not. Besides, the zebra mussel has been established in North America, was first found in the Great Lakes in 1986 and predicted a different species from Russia. The harmful effects of it wastes millions of dollars. However, it may alter the environment and the habitat of the species in the past. Loosestrife is a beautiful flower, but to North America in the 19th century, there is a confusion about it when there was a lot loosestrife, they began to disappear.
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