 A sprout of poison ivy, in Delaware and Raritan Canal State Park, near Harrison Street crossing. Princeton, New Jersey, May 1, 2007
 Multicolored sprout of poison ivy in Delaware and Raritan Canal State Park near Carnegie Lake. Princeton, New Jersey, May 8, 2007
 Red and yellow sprout of poison ivy in Delaware and Raritan Canal State Park near Carnegie Lake. Princeton, New Jersey, May 8, 2007
 A sprout of poison ivy on a tree, in Delaware and Raritan Canal State Park, near Harrison Street crossing. Princeton, New Jersey, May 2, 2007
 Sprouting poison ivy, in Delaware and Raritan Canal State Park, near Washington Road bridge. Princeton, New Jersey, May 3, 2007
 Sprouting poison ivy, in Delaware and Raritan Canal State Park, near Carnegie Lake. Princeton, New Jersey, May 5, 2007
 Sprouting poison ivy on a tree, in Delaware and Raritan Canal State Park, near Carnegie Lake. Princeton, New Jersey, May 2, 2007
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