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1 An example of an invasive plant in the Charles River parks that can form dense mats of vines that smother trees and shrubs
2 Plants that are not native to their host ecosystem but aren’t harmful or damaging to that ecosystem either
3 A non-native plant that is very common in the Charles River parks and a beautiful addition to springtime in Boston!
4 A plant that is non-native or alien to a particular ecosystem and whose introduction causes or is likely to cause economic or environmental harm.
5 A great example of a plant native to the Northeast that provides important ecosystem support for local monarch butterflies.
6 A plant that is part of the balance of nature that has been developed or evolved over hundreds or thousands of years in a particular region or ecosystem.
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