 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 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 13, 2020
 Poison ivy near Old Washington Town Site Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2009
 Eastern poison ivy (Toxicodendron radicans) in Wolf Pen Creek Park. College Station, Texas, March 24, 2019
 Young leaf of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 15, 2009
 Eastern poison ivy (Toxicodendron radicans) in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, March 10, 2019
 Young plants of eastern poison ivy (Toxicodendron radicans) on Four Notch Loop Trail of Sam Houston National Forest near Huntsville. Texas, March 23, 2019
 Poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 23, 2012
 Blooming poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 1, 2010
 Shoot of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2009
 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
 Berries of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 3, 2008
 Berries of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 1, 2009
 Fall colors of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 23, 2009
 Shoots of red buckeye (Aesculus pavia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 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
 Eastern poison ivy (Toxicodendron radicans) in Wolf Pen Creek Park. College Station, Texas, March 19, 2020
 Shoots of Snow-on-the-prairie (Euphorbia bicolor) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 2, 2020
 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
 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
 Bluebonnet (Lupinus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Red phlox flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 27, 2019
 Shoot of cedar elm in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 9, 2019
 Spiderwort (Tradescantia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Flower of dewberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 9, 2019
 Spiderwort (Tradescantia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 9, 2019
 Buttercup (Ranunculus) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Back lit shoot of cedar elm in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 9, 2019
 Pink flowers of phlox in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Pink phlox flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Pink spiderwort (Tradescantia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 27, 2019
 Pink phlox flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 27, 2019
 Bluebonnets 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
 Field of wildflowers 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
 Pink flower of spiderwort (Tradescantia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 27, 2019
 Young leaves on a pecan tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 False dandelion (Pyrrhopappus carolinianus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Corn salad (Valerianella) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Yellow woodsorrel (Oxalis stricta) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 9, 2019
 Sticky mouse-ear (Cerastium glomeratum) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 9, 2019
 Gills of a mushroom Amanita morrisii in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 8, 2019
 Mustang grape (Vitis mustangensis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Shoot of hackberry (Celtis occidentalis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Young leaf of Virginia creeper in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Flower of mallow family near a museum in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 9, 2019
 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
 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
 Flower of Venus looking glass (Triodanis perfoliata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 27, 2019
 Smallflower milkvetch (turkeypeas, Astragalus nuttallianus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Planted flowers of mallow family near a museum in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 9, 2019
 Flowers of squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 9, 2019
 Chinese mustard (Brassica juncea) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Yellow flowers of buttercup (Ranunculus) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Prickleseed buttercup flower (Ranunculus muricatus) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 9, 2019
 Blooming Baby blue eyes (Nemophila phacelioides) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 27, 2019
 Meadow garlic (Allium canadense) with green bulblets in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Flower of Baby blue eyes (Nemophila phacelioides) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 27, 2019
 Blooming sweet acacia (huisache, Vachellia farnesiana) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Peeling puffball mushroom (Lycoperdon marginatum) in a field in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 9, 2019
 Blue field madder (spurwort, Sherardia arvensis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 27, 2019
 Shoot of meadow garlic (Allium canadense) with green bulblets 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, April 19, 2020
 Blooming eastern poison ivy (Toxicodendron radicans) 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
 Texas toad-flax (Linaria texana) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Green leaves of eastern poison ivy (Toxicodendron radicans) in Wolf Pen Creek Park. College Station, Texas, April 19, 2020
 Texas mountain laurel (Sophora secundiflora) near a museum in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 9, 2019
 Red buckeye (Southern buckeye, Aesculus pavia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Flower of red buckeye (Southern buckeye, Aesculus pavia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 27, 2019
 Small bulblets on Canada garlic (meadow garlic, Allium canadense) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 27, 2019
 Mistletoe berries in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 8, 2019
 Dayflower (Commelina) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 15, 2019
 Catkins on a large oak in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 27, 2019
 Large oak with catkins in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 27, 2019
 Pink phlox in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 2, 2019
 Phlox flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 27, 2019
 Sunflower (Helianthus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 27, 2019
 Blooming phlox in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 2, 2019
 A field of wildflowers near Old Washington Town Site Loop Trail of Washington-on-the-Brazos State Historic Site. Washington, Texas, June 2, 2007
 Close up of masses of millipedes in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 16, 2019
 Beeblossom flowers (Gaura) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 1, 2019
 Winter rosette of a plant in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 2, 2019
 Small Dirinaria lichen in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Dirinaria(?) lichen on hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Blooming dayflower (Commelina) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 15, 2019
 Spiderwort (tradescantia) on a meadow in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 2, 2019
 Petals of sunflower (Helianthus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 27, 2019
 Accumulation of elm catkins near ant burrows in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 5, 2019
 View of FM 1155 road from Washington-on-the-Brazos State Historic Site. Washington, Texas, February 27, 2019
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