 Common sandbur (Cenchrus spinifex) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 2, 2020
 Mating rice stink bugs (Oebalus pugnax) on a sandburs spikelet on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 21, 2008
 Sandburs spikelet in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 1, 2012
 Coastal sandbur (Cenchrus spinifex) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 15, 2019
 Coastal sandbur (Cenchrus spinifex) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2014
 Common sandbur (Cenchrus spinifex) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 6, 2009
 Fruits of common sandbur (Cenchrus spinifex) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2014
 Common sandbur (Cenchrus spinifex) near Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 31, 2021
 Sandburs spikelet (Cenchrus spinifex) on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, September 20, 2008
 Sandburs in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 18, 2008
 Sandburs spikelet (Cenchrus spinifex) in Bastrop State Park. Bastrop, Texas, September 10, 2020
 Sandburs spikelet (Cenchrus spinifex) in Lemontree Park. College Station, Texas, July 27, 2014
 Sandburs spikelet (Cenchrus spinifex) taken from a lawn near apartments at George Bush Drive. College Station, Texas, September 30, 2012
 Close up of sandburs spikelet (Cenchrus spinifex) in Lake Bryan Park. Bryan, Texas, October 19, 2009
 Dry spikelet of grama grass (Bouteloua rigidiseta) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2020
 Spikelet of perennial ryegrass (Lolium perenne) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Spikelet of perennial ryegrass (Lolium perenne) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 21, 2018
 Fruit of magnolia in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 30, 2008
 A pond at morning in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 30, 2008
 Berries of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 3, 2008
 Mexican hat flowers at sunrise in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 9, 2008
 Horse nettle(?) (Solanum) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 3, 2008
 Rattlebush thickets around a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 30, 2008
 White prickly poppy in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 9, 2008
 Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 30, 2008
 Mexican hat flower with a bee on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 9, 2008
 Early fall color of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 30, 2008
 Vervain (Verbena) on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 9, 2008
 Sandburs (Cenchrus spinifex) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 28, 2024
 Young katydid on white prickly poppy in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 3, 2008
 Cooperia drummondii (rain lily, Cebolleta) with dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 9, 2008
 Cooperia drummondii (rain lily, Cebolleta) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 9, 2008
 Snow-on-the-prairie with a green lynx spider in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 30, 2008
 Blooming rattlebush (Sesbania drummondii) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 30, 2008
 Copper lily (Habranthus texanus) with dew on a lawn in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 9, 2008
 Snow-on-the-prairie (Euphorbia bicolor) on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 9, 2008
 Green lynx spider on Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 3, 2008
 Yellow color variant of Mexican hat flower (Ratibida columnifera) on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 9, 2008
 Sandburs (Cenchrus spinifex) in Bastrop State Park. Bastrop, Texas, September 10, 2020
 Snow-on-the-prairie (Euphorbia bicolor) with linear floral leaves having white margins and small fan-like male flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 3, 2008
 Dehisced seedpod releasing seeds, with attached coma (tuft of fluff) of milkweed (Asclepias) on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 9, 2008
 Wildflowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 31, 2008
 Wild parsley(?) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 10, 2008
 Cap of a toadstool in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 18, 2008
 Mexican hat flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 18, 2008
 Engelmann daisy (?) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 31, 2008
 Grass in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 7, 2008
 Green grasshopper in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 31, 2008
 Pond in Washington-on-the-Brazos State Historic Site in fog. Washington, Texas, March 22, 2008
 Bluebonnet in morning dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2008
 Ladybird with aphids in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2008
 Two Mexican hat flowers grown together in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 10, 2008
 Indian paintbrush in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2008
 Winecup flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2008
 Red paintbrush at sunrise in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2008
 Roots of vine in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 7, 2008
 Meadow with bluebonnet in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 5, 2008
 Engelmann s daisy in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2008
 Thistle flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 27, 2008
 Blooming magnolia tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 31, 2008
 Bluebonnet flower in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2008
 Spiderwort flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2008
 Pink phlox in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2008
 Grass and paintbrush in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2008
 Paintbrush flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2008
 Group of Mexican hat flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 18, 2008
 Field of flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2008
 Millipede feeding on blackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 10, 2008
 Immature katydid on beebalm in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 31, 2008
 Verbena (vervain) flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 31, 2008
 Sky over Washington-on-the-Brazos State Historic Site, view from Ferry Street. Washington, Texas, May 3, 2008
 Goldenrod (Solidago) in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 18, 2008
 Small aster in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 18, 2008
 Yellow daisy in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 14, 2008
 Prairie parsley flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2008
 Aster flowers in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 18, 2008
 Bluebonnet flower in morning dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2008
 Paintbrush flower in morning dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2008
 Showy evening primrose in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2008
 Indian paintbrush in morning dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2008
 White gaura flower in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 5, 2008
 Paintbrush with a spider in morning dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2008
 Bluebonnet flowers in morning dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2008
 Indian paintbrush flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2008
 Thistle flower near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2008
 Showy evening primrose in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2008
 Katydid on Indian paintbrush in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2008
 Purple thistle flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 27, 2008
 Powderpuff (Mimosa strigillosa) in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 14, 2008
 Dayflower (Commelina erecta) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2008
 Vervain (Verbena) inflorescence in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 14, 2008
 White prickly poppy in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 14, 2008
 Prickly poppy flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 27, 2008
 Mustang grape vine with tendrils in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 31, 2008
 Spotted bee balm (Monarda punctata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 18, 2008
 Spiderwort (tradescantia) blooming in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2008
 Bull nettle flowers with a caterpillar(?) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 18, 2008
 Two Mexican hat flowers (Ratibida columnifera) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 18, 2008
 Lemon Indian paintbrush in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2008
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