Look at the vines crawling up the tall trees.  The vine on the tree on the left is a native plant called Virginia creeper.  The vine on the tree on the right is oriental bittersweet, an extremely invasive plant that does not belong in North America.  Like all vines, it uses its host tree for support to climb up to the sunlight it needs.  However, oriental bittersweet becomes so lush it overloads the host tree and deprives it of light.  As it sprials upward the vine constricts the movement of nutrients up and down the tree.  Look farther right and you will see a tree that has collapsed under this extra burden.

Londonderry Trailways thanks the Londonderry Conservation Commission for their assistance in creating “Nature on the Trail’

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