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
Fern and ivy leaves covered by lichens on a tomb in Boonville Cemetery. Bryan, Texas, December 8, 2018
Ivy draped house at a corner of Cedar and Mitchell streets. Calvert, Texas, September 12, 2009
Marble ivy with tendrils of a tomb in Boonville Cemetery. Bryan, Texas, December 8, 2009
Young leaf of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 15, 2009
Early fall color of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 30, 2008
Shoot of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2009
Berries of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 1, 2009
Dying poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 6, 2011
Young leaves of poison ivy in Lemontree Park. College Station, Texas, March 24, 2010.
Berries of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 3, 2008
Climbing poison ivy near Iron Bridge Trail in Lick Creek Park. College Station, Texas, November 27, 2008
Blooming poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 1, 2010
Red foliage of poison ivy near Lick Creek near Iron Bridge Trail in Lick Creek Park. College Station, Texas, November 27, 2008
Poison ivy near Old Washington Town Site Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2009
Green berries of poison ivy on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2009
Yellow foliage of poison ivy under power lines in Lake Bryan Park. Bryan, Texas, July 16, 2013
Fall colors of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 23, 2009
Back lit leaf of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 27, 2012
Poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 23, 2012
Yellow leaves of poison ivy in Lick Creek Park. College Station, Texas, July 7, 2012
Fall colors of pison ivy on Kiwanis Nature Trail. College Station, Texas, December 1, 2017
Eastern poison ivy (Toxicodendron radicans) in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, March 10, 2019
Shoot of poison ivy (Toxicodendron radicans) on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville. Texas, March 16, 2019
Eastern poison ivy (Toxicodendron radicans) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
Shoot of eastern poison ivy (Toxicodendron radicans) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
Young leaves of eastern poison ivy (Toxicodendron radicans) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
Eastern poison ivy (Toxicodendron radicans) in Wolf Pen Creek Park. College Station, Texas, March 24, 2019
Shoots of eastern poison ivy (Toxicodendron radicans) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 27, 2019
Eastern poison ivy (Toxicodendron radicans) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, March 30, 2019
Flowers of poison ivy (Toxicodendron radicans) in Wolf Pen Creek Park. College Station, Texas, May 1, 2019
Poison ivy leaf gall mite (irregular, wart-like light green to reddish-green bladder galls) in Bee Creek Park. College Station, Texas, June 10, 2019
Yellowish-green and brilliant red wart-like galls on leaf surfaces of poison ivy in Bee Creek Park. College Station, Texas, June 10, 2019
Puckered, irregular, wart-like galls on leaf surfaces of poison ivy produced by the eriophyid mite Aculops rhois (A. toxicophagus) in Bee Creek Park. College Station, Texas, June 10, 2019
Irregular, wart-like light green to reddish-green bladder galls on leaf surfaces of poison ivy produced by leaf gall mite Aculops toxicophagus in Bee Creek Park. College Station, Texas, June 10, 2019
Eastern poison ivy (Toxicodendron radicans) in Wolf Pen Creek Park. College Station, Texas, March 19, 2020
Eastern poison ivy (Toxicodendron radicans) in Wolf Pen Creek Park. College Station, Texas, April 19, 2020
Blooming eastern poison ivy (Toxicodendron radicans) in Wolf Pen Creek Park. College Station, Texas, April 19, 2020
Virginia creeper and poison ivy in Wolf Pen Creek Park. College Station, Texas, April 19, 2020
Leaves of eastern poison ivy (Toxicodendron radicans) in Wolf Pen Creek Park. College Station, Texas, April 19, 2020
Green leaves of eastern poison ivy (Toxicodendron radicans) in Wolf Pen Creek Park. College Station, Texas, April 19, 2020
Young plants of eastern poison ivy (Toxicodendron radicans) on Four Notch Loop Trail of Sam Houston National Forest near Huntsville. Texas, March 23, 2019
Seedling of Eastern poison ivy (Toxicodendron radicans) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, March 30, 2019
Reddish-green bladder galls on upper leaf surfaces of poison ivy produced by the eriophyid mite, Aculops rhois (A. toxicophagus, family Eriophyidae) in Bee Creek Park. College Station, Texas, June 10, 2019
Eastern poison ivy (Toxicodendron radicans) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 13, 2020
Young leaves of eastern poison ivy (Toxicodendron radicans) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 13, 2020
Back lit leaf of eastern poison ivy (Toxicodendron radicans) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 13, 2020
Fall colors of poison ivy in Lick Creek Park. College Station, Texas, November 10, 2020
Young leaves of poison ivy on hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 14, 2021
Leaf of poison ivy in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
Tender young leaves of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
Shoot of poison ivy on a hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
Tender pink leaves of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
Shoot of poison ivy on an oak tree in Lick Creek Park. College Station, Texas, March 24, 2021
Seedling of poison ivy on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, March 28, 2021
Shoot of poison ivy in Wolf Pen Creek Park. College Station, Texas, March 31, 2021
Young leaves and flower buds of poison ivy in Bee Creek Park. College Station, Texas, April 2, 2021
Back lit shoot of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 3, 2021
Young leaves of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 3, 2021
Reddish shoot of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 3, 2021
Reddish young leaves of poison ivy (Toxicodendron radicans) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 31, 2021
Orange leaves of poison ivy on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, December 29, 2021
Seedling of poison ivy in Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, March 20, 2022
Shoot of poison ivy in Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, March 20, 2022
Back lit leaves of poison ivy on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, March 20, 2022
Blue violets and young leaves of poison ivy on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, March 20, 2022
Creeping shoot of poison ivy on a tree on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, March 31, 2022
Leaf of poison ivy on a tree on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, March 31, 2022
Shoot of poison ivy in Bee Creek Park. College Station, Texas, April 12, 2022
Fresh leaves of poison ivy in Bee Creek Park. College Station, Texas, April 12, 2022
Poison ivy with flower buds in Bee Creek Park. College Station, Texas, April 12, 2022
Fresh leaves of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 17, 2022
Shoot of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 17, 2022
Blooming poison ivy (Toxicodendron radicans) on Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 2022
Small plants of poison ivy (Toxicodendron radicans) on Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 2022
Blooming poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2022
Blooming poison ivy in Bee Creek Park College Station, Texas, April 25, 2022
Back lit leaves and flowers of poison ivy in Bee Creek Park College Station, Texas, April 25, 2022
Blackberry in poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 5, 2022
Green berries of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 22, 2022
Dry seeds of poison ivy (Toxicodendron radicans) in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 20, 2022
Poison ivy on the ground on Kiwanis Nature Trail. College Station, Texas, August 30, 2022
Young leaves of creeping poison ivy on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, March 4, 2023
Tender leaves of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 14, 2023
Shoot of poson ivy in Bee Creek Park. College Station, Texas, March 24, 2023
Dry plant of poison ivy (Toxicodendron radicans) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 9, 2023
Bright orange leaves of a seedling of poison ivy on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, December 22, 2023
Orange and green leaves of poison ivy in Lick Creek Park. College Station, Texas, December 23, 2023
Bright orange leaves of a seedling of poison ivy on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, December 28, 2023
Young leaves of poison ivy climbing on a tree in Lick Creek Park. College Station, Texas, March 12, 2024
Young leaves of poison ivy in Bee Creek Park. College Station, Texas, March 21, 2024
Reddish young leaves of poison ivy in Bee Creek Park. College Station, Texas, March 21, 2024
Ivy leaf Morning glory (Ipomoea cordatotriloba) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Bee Creek Park. College Station, Texas, August 26, 2024
Fall foliage of seedlings of poison ivy on Richards Loop Trail in Sam Houston National Forest. Texas, November 15, 2025
Various dry leaves and a seedling of poison ivy on a sandy path in Lick Creek Park. College Station, Texas, December 16, 2025
Shoot of poison ivy in Wolf Pen Creek Park. College Station, Texas, March 18, 2026
Shoot of poison ivy climbing a pine on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, March 19, 2026
Fresh leaf of poison ivy on a tree on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, March 19, 2026
Fresh shoot of poison ivy in Bee Creek Park. College Station, Texas, March 20, 2026
a young, actively growing shoot of eastern poison ivy (Toxicodendron radicans) emerging from the shadows of a thicket. The image is dramatically lit, isolating the central stem and fresh leaves against a nearly pitch-black background, which brings the complex textures and colors of the plant into sharp relief. The lighting emphasizes the plant s characteristic "leaves of three" structure, making the distinct anatomy of the new spring growth unmistakably clear. Wolf Pen Creek Park. College Station, Texas, March 23, 2026
