An invasive plant is a plant that is put in an area that it does not belong and where it negatively affects the new environment that it was placed in. The most likely reason why they are not a concern in their native areas is because those environments have adapted to their problems and created solutions for them.
Hydrilla
The hydrilla is a submerged aquatic plant that has a long stem and is covered in many leaves. The negative effects of this plant are that it reduces oxygen levels, its hydrogen ions acidify the water, and it can change the pH of the water vastly.
Water Hyacinth
The water hyacinth has big, oval, lavender leaves, and it negatively affects the pH levels and reduces the oxygen in the environment, while also impeding navigation of other plants.
Alligator Weed
The alligator weed has white flowers that has long stems that branch out. It creates mats on top of the water, and reduces oxygen levels that effects the fish and people that are travelling on the water in boats.
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