Crossword Puzzle Native & Invasive DefinitionsOnline version Test what you've learned about the definitions and examples of native, invasive, and non-native plants in the Charles River parks with this crossword puzzle! by Charles River Conservancy 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. 6 2 3 4 5 1
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