Fall colors of poison ivy on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, November 8, 2019
Fall colors of poison ivy in Simmons Mill Pond Management Area south from Adamsville. Little Compton, Rhode Island, October 6, 2004
Fall colors of poison ivy in south-western part of Lincoln Woods State Park. Providence, Rhode Island, October 10, 2004
Fall colors of poison ivy in south-western part of Lincoln Woods State Park. Providence, Rhode Island, October 10, 2004
Early fall color of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 30, 2008
Fall colors of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 23, 2009
Fall colors of pison ivy on Kiwanis Nature Trail. College Station, Texas, December 1, 2017
Fall colors of poison ivy in Lick Creek Park. College Station, Texas, November 10, 2020
Fall foliage of seedlings of poison ivy on Richards Loop Trail in Sam Houston National Forest. Texas, November 15, 2025