 Shoot of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 17, 2022
 Reddish shoot of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 3, 2021
 Back lit shoot of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 3, 2021
 Shoot of poison ivy on a hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
 Poison ivy near Old Washington Town Site Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2009
 Shoot of eastern poison ivy (Toxicodendron radicans) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Berries of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 1, 2009
 Young leaf of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 15, 2009
 Fall colors of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 23, 2009
 Green berries of poison ivy on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2009
 Young shoot of greenbrier vine (prickly-ivy, smilax, sarsaparilla) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2009
 Shoot of Virginia creeper vine on a tree, with patches of various lichens in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 15, 2009
 Shoot of Virginia creeper vine on a tree covered by bark lichens in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 15, 2009
 Blackberry in poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 5, 2022
 Blooming poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 1, 2010
 Poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 23, 2012
 Berries of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 3, 2008
 Blooming poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2022
 Dying poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 6, 2011
 Green berries of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 22, 2022
 Back lit leaf of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 27, 2012
 Fresh leaves of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 17, 2022
 Young leaves of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 3, 2021
 Tender leaves of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 14, 2023
 Dry plant of poison ivy (Toxicodendron radicans) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 9, 2023
 Tender young leaves of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
 Dry seeds of poison ivy (Toxicodendron radicans) in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 20, 2022
 Eastern poison ivy (Toxicodendron radicans) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Eastern poison ivy (Toxicodendron radicans) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 13, 2020
 Early fall color of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 30, 2008
 Tender pink leaves of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
 Shoots of eastern poison ivy (Toxicodendron radicans) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 27, 2019
 Young leaves of poison ivy on hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 14, 2021
 Reddish young leaves of poison ivy (Toxicodendron radicans) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 31, 2021
 Young leaves of eastern poison ivy (Toxicodendron radicans) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Back lit leaf of 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
 Bluebonnets at Old Washington Town Site Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2009
 Field of wildflowers at Old Washington Town Site Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2009
 Field of bluebonnets at Old Washington Town Site Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2009
 Wildflowers in mist at Old Washington Town Site Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2009
 Field of wildflowers in mist at Old Washington Town Site Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2009
 Old Washington Town Site Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2009
 Field of bluebonnets and paintbrush flowers at Old Washington Town Site Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2009
 Shoot of elm in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 13, 2020
 Field of bluebonnets and paintbrush flowers in mist at Old Washington Town Site Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2009
 Shoot of hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023
 Shoot of cypress elm in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 3, 2021
 Shoot of coralberry(?) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 8, 2021
 Pecan shoot in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023
 Shoot of box elder in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
 Shoot of blackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Shoot of cedar elm in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 9, 2019
 Photographer with a tripod taking pictures of a field of bluebonnets at Old Washington Town Site Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 4, 2009
 Shoot and flowers of box elder in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 29, 2023
 Shoot of box elder near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 29, 2023
 Shoot of hackberry with flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
 Shoot of amaranth near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2020
 Shoot of mustang grape in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 29, 2023
 Some leafy shoot near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 4, 2020
 Shoot of mustang grape in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 31, 2021
 Back lit shoot of cedar elm in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 9, 2019
 Shoot of mustang grape in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 8, 2021
 Shoot of greenbrier (Smilax) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 14, 2023
 Shoot of of mustang grape in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
 Large shoot of thistle (Cirsium) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023
 Shoot of Amaranth in area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 15, 2020
 Shoot of hackberry (Celtis laevigata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Shoot of gum Bumelia (Sideroxylon lanuginosum) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
 Shoot of winged elm (Ulmus alata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
 Shoot of nettle with water drops in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 8, 2021
 Shoot of giant ragweed (Ambrosia trifida) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Reddish shoot of red buckeye (Aesculus pavia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2024
 Shoot of Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 4, 2020
 Shoot of some creeper on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 2, 2020
 Shoot of snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 12, 2020
 Shoot of woolly-white (Hymenopappus artemisiaefolius) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023
 Shoot of warty spurge (Euphorbia spathulata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023
 Shoot of giant ragweed (Ambrosia trifida) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 27, 2021
 Shoot of rough-leaf dogwood (Cornus drummondii) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023
 Back lit shoot of snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 12, 2020
 Vegetative shoot of prickly pear cactus (Opuntia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 17, 2022
 Shoot of squaw-weed (Senecio ampullaceus) with flower buds in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2024
 Shoot of meadow garlic (Allium canadense) with green bulblets in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Shoot of balloon vine (Cardiospermum halicacabum) in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2020
 Prickly flower buds on a shoot of bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 29, 2023
 Shoot of Chinese jujube (Ziziphus jujuba) on a lawn at Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2022
 Shoot with folded leaves of western soapberry (Sapindus saponaria var. drummondii) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 29, 2023
 Large shoot of bull nettle (Cnidoscolus texanus) in shade under live oaks in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 29, 2023
 Shoot of bigpod Sesbania (Sesbania herbacea) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 4, 2020
 Mistletoe in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 12, 2009
 Pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 24, 2009
 Butterfly in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 19, 2009
 Dam of a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 24, 2009
 Magnolia flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2009
 Flower of thistle in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2009
 Ripening dewberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2009
 A pond from a dam in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 13, 2009
 A pond at morning in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 13, 2009
|