 Texas(?) vervain (verbena) on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 21, 2008
 Verbena (vervain) flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 31, 2008
 Vervain (Verbena) inflorescence in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 14, 2008
 Slender vervain (verbena) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 8, 2014
 Vervain flower in dew in Washington-on-the-Brazos State Historic Site, near Loop Trail. Washington, Texas, April 5, 2008
 Slender vervain (verbena) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 24, 2009
 Slender vervain (Verbena) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 4, 2020
 Slender vervain (verbena) in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 28, 2014
 Slender vervain (verbena) in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 20, 2013
 Slender vervain (verbena) in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 12, 2020
 Dakota vervain (Verbena bipinnatifida) in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 23, 2012
 Late blooming Dakota vervain (Verbena bipinnatifida) with freeze in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 17, 2012
 Texas vervain (verbena) in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 9, 2012
 Prairie verbena (Glandularia bipinnatifida) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 29, 2023
 Prairie verbena (Glandularia bipinnatifida) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Prairie verbena (Glandularia bipinnatifida) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 12, 2020
 Prairie verbena (Glandularia bipinnatifida) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
 Mexican hat flower with a bee on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 9, 2008
 Flowers of prairie verbena (Glandularia bipinnatifida) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Snow-on-the-prairie (Euphorbia bicolor) on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 9, 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
 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
 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
 Bluebonnet flowers in Washington-on-the-Brazos State Historic Site, near Loop Trail. Washington, Texas, March 28, 2008
 Bluebonnet in morning dew near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2008
 Bluebonnet flowers in Washington-on-the-Brazos State Historic Site, near Loop Trail. Washington, Texas, April 5, 2008
 Indian paintbrush flower in Washington-on-the-Brazos State Historic Site, near Loop Trail. Washington, Texas, April 5, 2008
 Morning dew on bluebonnet leaf in Washington-on-the-Brazos State Historic Site, near Loop Trail. Washington, Texas, April 5, 2008
 Paintbrush and bluebonnet in morning dew near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2008
 Bluebonnet and paintbrush flowers in Washington-on-the-Brazos State Historic Site, near Loop Trail. Washington, Texas, April 5, 2008
 Green lynx spider on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 21, 2008
 Fleabane daisy(?) flower in dew in Washington-on-the-Brazos State Historic Site, near Loop Trail. Washington, Texas, April 5, 2008
 Bushy bluestem (Andropogon glomeratus) in Washington-on-the-Brazos State Historic Site, on Loop Trail. Washington, Texas, November 16, 2008
 Bluebonnet and showy primrose flowers in Washington-on-the-Brazos State Historic Site, near Loop Trail. Washington, Texas, April 5, 2008
 Zizotes milkweed (Asclepias oenotheroides) near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2008
 Pink powderpuff (Mimosa strigillosa) on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 21, 2008
 Green milkweed (Asclepias viridis) in Washington-on-the-Brazos State Historic Site, near Loop Trail. Washington, Texas, April 5, 2008
 Showy evening primrose in morning dew near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2008
 Immature katydid on green milkweed near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2008
 Late flower of Indian paintbrush near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2008
 Prairie verbena (Glandularia bipinnatifida) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020
 Mexican hat (Ratibida columnaris) cylindrical flowerhead with dark red-purple disk flowers and yellow and brown ray flowers on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 9, 2008
 Prairie verbena (Glandularia bipinnatifida) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 3, 2021
 Small bluets (Hedyotis crassifolia) flowers in Washington-on-the-Brazos State Historic Site, on Loop Trail. Washington, Texas, March 28, 2008
 Calyx of winecup flower (Callirhoe involucrata) in dew in Washington-on-the-Brazos State Historic Site, near Loop Trail. Washington, Texas, April 5, 2008
 Green lynx spider on bull nettle near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2008
 Flowers of prairie verbena (Glandularia bipinnatifida) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 3, 2021
 Green flowers of Zizotes milkweed (Asclepias oenotheroides) near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2008
 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
 Berries of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 3, 2008
 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
 White prickly poppy 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
 Mexican hat flowers at sunrise in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 9, 2008
 Rattlebush thickets around a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 30, 2008
 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
 Early fall color of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 30, 2008
 Sandburs spikelet (Cenchrus spinifex) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 3, 2008
 Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 30, 2008
 Shoot of some creeper on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 2, 2020
 Poison ivy near Old Washington Town Site Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2009
 Bluebonnets at Old Washington Town Site Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 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
 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 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 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
 Copper lily (Habranthus texanus) with dew on a lawn in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 9, 2008
 Cooperia drummondii (rain lily, Cebolleta) with dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 9, 2008
 Blooming rattlebush (Sesbania drummondii) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 30, 2008
 Cooperia drummondii (rain lily, Cebolleta) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 9, 2008
 Young katydid on white prickly poppy in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 3, 2008
 Snow-on-the-prairie with a green lynx spider in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 30, 2008
 Bumblebee on a Texas dandelion flower near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2008
 Prairie tea (Croton monanthogynus) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 2, 2020
 Powderpuff (Mimosa strigillosa) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 2, 2020
 Small dayflower (Commelina) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 2, 2020
 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
 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
 Diamondflowers (Stenaria nigricans, Hedyotis nigricans) near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2008
 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
 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
 Snow-on-the-prairie (Euphorbia bicolor) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 2, 2020
 Hornbeam copperleaf (Acalypha ostryifolia) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 2, 2020
 Bee on pink powderpuff flower (Mimosa strigillosa) on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 15, 2009
 Green lynx spider on Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 3, 2008
 Indian paintbrush (Castilleja indivisa) with oval bright-reddish pink flower leaf bracts in Washington-on-the-Brazos State Historic Site, near Loop Trail. Washington, Texas, March 22, 2008
 Texas frog-fruit flower (Phyla incisa, Lippia, fogfruit) near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2008
 Flowers of hornbeam copperleaf (Acalypha ostryifolia) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 2, 2020
 Green and white spurge (Euphorbia heterophylla) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 2, 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
 Snow-on-the-prairie (Euphorbia bicolor) with flowers on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 2, 2020
 Pleated inkcap mushrooms (Parasola plicatilis, Coprinus plicatilis) on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2008
 Inflorescence of Zizotes milkweed (Hierba de Zizotes, Asclepias oenotheroides) near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2008
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