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Areas where Purple Loosestrife's are native and were introduced to:

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Areas where Purple Loosestrife's are native and were introduced to:

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Purple Loosestrife's are an invasive species, native to Europe and Asia. Purple Loosestrie's were introduced to the United States in 1869. The 18th- 19th Century. They were introduced to lakes, specifically Lake Ontario in North America. Purple Loosestrife seeds were introduced in contaminated cargo ships that came to North America. The seeds were in a ballast, a ballast is a material used to provide stability in a vehicle. In this case it was a ship. They were also purposely introduced by people because they were a ''healing herb.'' People spread Purple Loosestrife seeds around in land and they had spread rapidly.

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The size of Purple Loosestrife seeds.

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The scientific name of Purple Loosestrife's:

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The scientific name of Purple Loosestrife's:

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Purple Loosestrife's are also referred as Lythrum Salcaria's.

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How Purple Loosestrife's impact their ecosystem: 

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How Purple Loosestrife's impact their ecosystem: 

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Although Purple Loosestrife's are a pretty plant, because they are invasive, they impact their ecosystem negatively. They invade ecosystems quickly because they grow rapidly and are big in size. Their ecosystem are typically wetlands. Any land with water is where they like to grow. One way they impact their ecosystem is taking over the habitat of animals and plants. They invade their land and water. That is where animals live and where plants grow. This leaves animals know where to go, and plants no room to grow. Animals can't live in their habitat. Their species out competes with aquatic animals like snakes, turtles, frogs, and fish that live in the wetlands. If those animals are out competed they can die off. Plants can die off too. A second way is limiting the ecosystem's food sources. They do this by invading water. Water in wetlands is where animals and plants drink water. They limit the food sources by limiting food. Food sources can be animals or plants. If there are not enough predator and preys the ecosystem is affected. There wouldn't be any, if animals do not have any food to sustain. A third way they can impact their ecosystem is displacing native species that already live there. They displace native species and cause them to have to immigrate to another ecosystem. This happens because their species take over most of the ecosystem. Native species have to move. That affects the biodiversity of the ecosystem. That results in not enough diverse species.

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Strategies to control Purple Loosestrife's: 

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Strategies to control Purple Loosestrife's: 

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There are strategies to control Purple Loosestrife's invading ecosystems. One strategy is not buying Purple Loosestrife seeds. Purple Loosestrife's spread easily because they are also garden plants. People can avoid buying their seeds or other plant seeds that contain Purple Loosestrife seeds. Doing this will limit the spread of their seeds and they won''t be planted. A second strategy is cutting, pulling, and digging out purple loosestrife plants. The best time to do this is when the infested area is very small. This makes it easier because the plants are not fully grown. Once they are fully grown it is very hard to get rid of them, because they are big plants. It's important to start when the plants are young or else it is to hard to get rid of them. Purple Loosestrife's can grow up to 6 feet!

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https://www.chesapeakebay.net/discover/field-guide/entry/purple_loosestrife

https://www.dnr.state.mn.us/invasives/aquaticplants/purpleloosestrife/index.html

https://www.dnr.state.mn.us/invasives/aquaticplants/purpleloosestrife/control.html