 Poison ivy near Old Washington Town Site Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2009
 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
 Shoot of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2009
 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
 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
 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
 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
 Berries of mistletoe in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 12, 2009
 Red berries of yaupon holly in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 23, 2009
 Ripe blue berries of muscadine grape in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 1, 2009
 Green lynx spider on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 21, 2008
 Immature katydid on green milkweed near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2008
 Green milkweed (Asclepias viridis) in Washington-on-the-Brazos State Historic Site, near Loop Trail. Washington, Texas, April 5, 2008
 White berries of rough-leaf dogwood (Cornus drummondii) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 23, 2009
 Turtle on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2009
 Loop trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 23, 2009
 Flowers of green milkweed (Asclepias viridis) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020
 Green milkweed (Asclepias viridis) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2020
 Green lynx spider on bull nettle near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2008
 Heavy dew near loop trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 24, 2009
 Molting grasshopper in dew on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2009
 Vines on loop trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 23, 2009
 Loop trail in mist in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 23, 2009
 Loop trail at morning in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 23, 2009
 Lichen on loop trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 23, 2009
 Yaupon holly on loop trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 23, 2009
 Green milkweed (Antelope horns, asclepias viridis) near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2008
 Opening flowers of Green milkweed (Asclepias viridis) in Washington-on-the-Brazos State Historic Site, near Loop Trail. Washington, Texas, April 5, 2008
 Seed pods of green milkweed (Asclepias viridis) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020
 Green milkweed (Asclepias viridis) in bloom on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2020
 Green and white spurge (Euphorbia heterophylla) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 2, 2020
 Green flowers of Zizotes milkweed (Asclepias oenotheroides) near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2008
 Blooming green milkweed (Asclepias viridis) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2020
 Flowers of green milkweed (Asclepias viridis) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2020
 Pink powderpuff (Mimosa strigillosa) on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2009
 Flower heads of green milkweed (Asclepias viridis) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2020
 Spring ladies-tresses (Spiranthes vernalis) on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2009
 Indian paintbrush (Castilleja indivisa) near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 21, 2009
 Monarch caterpillars feeding on green milkweed (Asclepias viridis) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2020
 Green leaves of magnolia in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2009
 Bee on pink powderpuff flower (Mimosa strigillosa) on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 15, 2009
 A field of wildflowers near Old Washington Town Site Loop Trail of Washington-on-the-Brazos State Historic Site. Washington, Texas, June 2, 2007
 Small green caterpillar hanging on a net strand in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2009
 Green lynx spider eating a bee in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 14, 2009
 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
 White prickly poppy flower on field near Old Washington Town Site Loop Trail of Washington-on-the-Brazos State Historic Site. Washington, Texas, June 2, 2007
 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
 Cockleshell mushrooms Lentinellus castoreus on an oak log in red cedar forest Old Washington Town Site Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 2, 2020
 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
 Early fall color of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 30, 2008
 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
 Tiny flowers of Small bluets (Star-violet, Hedyotis crassifolia) on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 15, 2009
 Shoots of eastern poison ivy (Toxicodendron radicans) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 27, 2019
 Shoot of eastern poison ivy (Toxicodendron radicans) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Green lynx spider on Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 6, 2009
 Close up of a green grasshopper sitting on a white prickly poppy flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 24, 2009
 Green milkweed (Antelope horns, asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, April 4, 2009
 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
 Young leaves of eastern poison ivy (Toxicodendron radicans) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Green lynx spider eating a hornet wasp on Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 4, 2009
 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
 Diamondflowers (Stenaria nigricans, Hedyotis nigricans) in dew on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2009
 Berries of yaupon holly in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 8, 2012
 White succulent berries of mistletoe in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2010.
 Mistletoe twig with white berries in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2010.
 Small pleated inkcap mushroom (Parasola plicatilis, Coprinus plicatilis) on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 6, 2009
 Berries of hackberry (Celtis occidentalis) in animal droppings in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
 Trail through a forest in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 23, 2009
 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
 A field near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 8, 2012
 Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2012
 Fog on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 16, 2011
 Dry forest on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 8, 2011
 Wildflowers in Washington-on-the-Brazos State Historic Site, near loop trail. Washington, Texas, June 2, 2007
 Dry grass on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 20, 2013
 Sunrise on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 16, 2011
 Field of flowers near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 4, 2012
 Goldenrod on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 21, 2008
 Thistle flower near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2008
 Foliage on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 8, 2011
 Dry trees on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 8, 2011
 Vervain flower in dew in Washington-on-the-Brazos State Historic Site, near Loop Trail. Washington, Texas, April 5, 2008
 Dry tree foliage on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 16, 2011
 Mexican hat flower with a bee on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 9, 2008
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