 Blooming poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2022
 Shoot of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 17, 2022
 Green berries of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 22, 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
 Poison ivy near Old Washington Town Site Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2009
 Shoot of blackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Bloomink blackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 11, 2018
 Millipede feeding on blackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 10, 2008
 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
 Blooming poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 1, 2010
 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
 Back lit leaf of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 27, 2012
 Dying poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 6, 2011
 Tender leaves of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 14, 2023
 Young leaves 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
 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
 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
 Green berries of poison ivy on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2009
 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
 Eastern poison ivy (Toxicodendron radicans) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 13, 2020
 Tender pink leaves of poison ivy 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 17, 2019
 Shoot of poison ivy on a hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
 Shoot of eastern poison ivy (Toxicodendron radicans) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Young leaves of poison ivy on hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 14, 2021
 Shoots of eastern poison ivy (Toxicodendron radicans) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 27, 2019
 Reddish young leaves of poison ivy (Toxicodendron radicans) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 31, 2021
 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
 Young leaves of eastern poison ivy (Toxicodendron radicans) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 13, 2020
 Prairie in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 2, 2022
 Face of a box turtle in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 5, 2022
 Various vines in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 22, 2022
 Some common grass in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 5, 2022
 Goldenrod (Solidago) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 28, 2022
 A rusty barn in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 4, 2022
 Pad of prickly pears (Opuntia) with a bug in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 22, 2022
 Wildflowers on a field in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 4, 2022
 Various spring flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2022
 Fresh elm leaves in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 4, 2022
 Mexican hat (Ratibida columnifera) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 5, 2022
 Young leaves of box elder in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 5, 2022
 Green grasshopper on a thistle in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 5, 2022
 Dry flowers of phlox in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 20, 2022
 Dry plant of phlox in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 20, 2022
 Thistle flower (Cirsium) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 5, 2022
 Bluebonnet (Lupinus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2022
 Armadillo on a sandy road in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 20, 2022
 Japanese honeysuckle (Lonicera japonica) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 5, 2022
 Leaf cutter ants in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 20, 2022
 Firewheel flower (Gaillardia pulchella) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 5, 2022
 White phlox flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 17, 2022
 Green milkweed together with flax in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 17, 2022
 Mexican hat flowers (Ratibida columnifera) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 5, 2022
 Wild carrot (Daucus pusillus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 22, 2022
 Engelmann s daisy (Engelmannia pinnatifida) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 22, 2022
 Fox sedge (Carex vulpinoidea) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 17, 2022
 Juniper berries in animal s dropping in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 22, 2022
 Fresh leaves of hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 17, 2022
 Leaf cutter ant highway in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 20, 2022
 Some hairy winter rosette in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 20, 2022
 Bluebonnet (Lupinus) flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 4, 2022
 Pink phlox flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2022
 Blue spiderwort (Tradescantia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2022
 Fruits of mustang grape in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 2, 2022
 Zizotes milkweed (Asclepias oenotheroides) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 22, 2022
 Daisy fleabane (Erigeron) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 4, 2022
 Firewheel and bull nettle in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2022
 Prairie parsley (Polytaenia texana) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 5, 2022
 Pink phlox flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2022
 Some small animal droppings in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 20, 2022
 Some white corticioid mushroom on underside of an oak(?) log in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 22, 2022
 Leaves of prickly poppy in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 4, 2022
 Blooming black cherry in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2022
 Canada wild rye (Elymus canadensis)(?) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 5, 2022
 View in area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 30, 2022
 Spotted beebalm (Monarda punctata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 5, 2022
 Flowers sand phlox in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 30, 2022
 Blooming sand phlox in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 30, 2022
 Pink phlox flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 4, 2022
 Spotted beebalm (Monarda punctata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 22, 2022
 Young leaves of elderberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 17, 2022
 Wild carrot (Daucus pusillus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 5, 2022
 Some green shoots under juniper trees in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 20, 2022
 Rosette of leaves of lyreleaf sage in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 20, 2022
 Basal leaves of lyreleaf sage in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 20, 2022
 Bush of Chinese jujube (Ziziphus jujuba) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 5, 2022
 Rough-leaf dogwood (Cornus drummondii) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 5, 2022
 Basal leaves of redseed plantain in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 20, 2022
 Field of wildflowers near Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 4, 2022
 Indian paintbrush and bull nettle in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2022
 Flowers of Japanese honeysuckle (Lonicera japonica) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 5, 2022
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