 Green berries of poison ivy on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2009
 Green berries on red cedar tree (juniper) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 22, 2022
 Berries of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 1, 2009
 Berries of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 3, 2008
 Blackberry in poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 5, 2022
 Shoot of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 17, 2022
 Blooming poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2022
 Fresh leaves of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 17, 2022
 Dry seeds of poison ivy (Toxicodendron radicans) in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 20, 2022
 Juniper berries in animal s dropping in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 22, 2022
 Black berries of mustang grape in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 2, 2022
 Poison ivy near Old Washington Town Site Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2009
 Green grasshopper on a thistle in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 5, 2022
 Green milkweed together with flax in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 17, 2022
 Some green shoots under juniper trees in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 20, 2022
 Green milkweed (Asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 17, 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
 Shoot of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2009
 Dying poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 6, 2011
 Back lit leaf of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 27, 2012
 Flowers of green milkweed (Asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 17, 2022
 Texas leaf cutting ants (Atta texana) with leaves and berries of Yaupon holly in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 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
 Young leaf of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 15, 2009
 Back lit shoot of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 3, 2021
 Fall colors of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 23, 2009
 Reddish shoot of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 3, 2021
 Green milkweed (Antelope horns, asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 28, 2022
 Flower head of green milkweed (Asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 17, 2022
 Shoot of poison ivy on a hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
 Eastern poison ivy (Toxicodendron radicans) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 13, 2020
 Eastern poison ivy (Toxicodendron radicans) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 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
 Tender young leaves of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
 Dry plant of poison ivy (Toxicodendron radicans) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 9, 2023
 Shoot of eastern poison ivy (Toxicodendron radicans) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 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
 Mistletoe berries taken from Washington-on-the-Brazos State Historic Site. Washington, Texas, January 2, 2014
 Mistletoe berries in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 8, 2019
 Berries of mistletoe in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 12, 2009
 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
 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 13, 2020
 Berries of yaupon holly in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 8, 2012
 Red berries of yaupon holly in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 23, 2009
 Mistletoe twig with white berries in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2010.
 White succulent berries of mistletoe in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2010.
 Green fruits of Chinese jujube (Ziziphus jujuba) near Robinson Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 2, 2022
 Ripe blue berries of muscadine grape in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 1, 2009
 Berries of hackberry (Celtis laevigata) in animal droppings in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
 Dark berries of greenbrier vine (prickly-ivy, smilax, sarsaparilla) in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 18, 2008
 Berries of Possum-haw holly (deciduous yaupon, Ilex decidua) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 8, 2019
 White berries of rough-leaf dogwood (Cornus drummondii) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 23, 2009
 Green grasshopper in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 31, 2008
 Green leaves of magnolia in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2009
 Green grasshopper in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2010
 Green nuts on a pecan tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2020
 Green milkweed (Asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
 Small green caterpillar hanging on a net strand in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2009
 Green milkweed (Asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2023
 Green milkweed (Asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 17, 2010
 Green milkweed (Asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2014
 Green milkweed (Asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Green milkweed (Asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 8, 2021
 Green lynx spider eating a bee in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 14, 2009
 Green milkweed (Asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 28, 2014
 Green milkweed (Asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 4, 2020
 Green lynx spider with spiderlings in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 11, 2010
 Green milkweed (Asclepias viridis) in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 20, 2013
 Green milkweed (Asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 25, 2013
 Red berries of Carolina moonseed vine (Cocculus carolinus, snailseed vine, coralbeads, redberry) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 28, 2008
 Snow-on-the-prairie with a green lynx spider in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 30, 2008
 Green milkweed (Asclepias viridis) with a bumblebee in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 27, 2021
 Green carpetweed (Mollugo verticillata) on a lawn in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 2, 2020
 Green and white spurge (Euphorbia heterophylla) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 15, 2020
 Green and white spurge (Euphorbia heterophylla) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2020
 Green lynx spider on Engelmann s daisy flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 10, 2008
 Green lynx spider on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 21, 2008
 Seed pods of green milkweed (Asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 24, 2020
 Green leaves of mustang grape (Vitis mustangensis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2020
 Blooming green milkweed (Asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
 Assassin bug (Apiomerus) on green milkweed (Asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 1, 2010
 Ripe berries of Carolina moonseed vine (Cocculus carolinus, snailseed vine, coralbeads, redberry) in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 18, 2008
 Green milkweed (Antelope horns, asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, April 4, 2009
 Meadow garlic (Allium canadense) with green bulblets in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Green nuts on a pecan tree near Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 31, 2021
 Green milkweed (Asclepias viridis) in Washington-on-the-Brazos State Historic Site, near Loop Trail. Washington, Texas, April 5, 2008
 Some small robust green seedling under juniper trees in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 16, 2023
 Green lynx spider preying on a hornet wasp in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 4, 2009
 Green grasshopper on seeds of Wild Carrot (Daucus pusillus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2009
 Green Metallic Bee (Agapostemon) on pink powderpuff mimosa in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 7, 2010
 Green milkweed (Antelope horns, asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 14, 2008
 Tiny green liverwort on bark of hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Green patch of Phaeophyscia lichen on an almost dry bush of huisache in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 27, 2019
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