 Dry prairie grasses in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 14, 2011
 Dried prairie in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 14, 2011
 Dry croton and prairie grasses in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 6, 2011
 Dry prairie at sunrise in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 10, 2011
 Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 15, 2020
 Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 8, 2014
 Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 8, 2021
 Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 10, 2019
 Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 27, 2021
 Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 30, 2008
 Flower of Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 21, 2010
 Shoots of Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 8, 2021
 Flowers of Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 8, 2021
 Snow-on-the-prairie with a green lynx spider in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 30, 2008
 Close-up of Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 8, 2021
 Blooming Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 15, 2020
 Flowers of Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 15, 2020
 Snow-on-the-prairie (Euphorbia bicolor) with flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 27, 2021
 Close up of Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 10, 2019
 Blooming Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 8, 2021
 Prairie tea (Croton monanthogynus) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 2, 2020
 Blooming plant Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 10, 2019
 Leaves and flowers of Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 8, 2021
 Emerging flowers of Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 15, 2020
 Snow-on-the-prairie (Euphorbia bicolor) on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 9, 2008
 Flower buds of Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 15, 2020
 White stripes on leaves of Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 8, 2021
 Green lynx spider on Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 21, 2010
 White and green leaves of Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 15, 2020
 Green lynx spider on Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 29, 2010
 Green lynx spider on Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 3, 2008
 Snow-on-the-prairie (Euphorbia bicolor) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 2, 2020
 Close up of green lynx spider on Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 21, 2010
 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
 Polypore mushrooms Gloeophyllum striatum at the end of a dry fallen branch of a large Huisache tree (Acacia farnesiana), covered by black spots that look like some Hypoxylon, near a border of prairie, semi-open area of overgrown prairie, where the prairie starts sloping towards Brazos River in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 24, 2021
 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
 Dying poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 6, 2011
 Prairie in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 20, 2018
 Caked earth of dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 6, 2011
 Antlion (doodlebug) funnel pits in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 14, 2011
 Antlion larvae sand pit traps in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 14, 2011
 Prairie in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 2, 2022
 Prairie parsley flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2008
 Overgrown edge of prairie in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2020
 Prairie with bluebonnets in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023
 Cracks of caked earth mud of dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 6, 2011
 Weeds grown on bottom of dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 6, 2011
 Prairie verbena (Glandularia bipinnatifida) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020
 Prairie parsley (Polytaenia texana) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020
 Common prairie grass in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2021
 Prairie parsley (Polytaenia texana) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2020
 Prairie brazosmint (Warnockia scutellarioides) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020
 Some blooming grass in prairie in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2021
 Prairie parsley (Polytaenia texana) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 5, 2022
 Prairie verbena (Glandularia bipinnatifida) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 3, 2021
 Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2020
 Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2014
 Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 31, 2021
 Prairie parsley (Polytaenia texana) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2022
 Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 23, 2012
 Snow-on-the-prairie (Euphorbia bicolor) in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 6, 2009
 Flower of a common prairie grass in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2021
 Prairie parsley (Polytaenia texana) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2021
 Umbrella of Prairie parsley flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2012
 Grasshopper on snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 1, 2019
 Seeds of prairie-mimosa (Desmanthus illinoensis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 12, 2010
 Small Gymnopus(?) mushrooms in grass on prairie in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 8, 2013
 Flowers of prairie verbena (Glandularia bipinnatifida) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 3, 2021
 Blue flowes of spiderwort (Tradescantia) in prairie in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2020
 Plants of snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 1, 2019
 Shoot of Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 4, 2020
 Small bluets (Hedyotis crassifolia) in prairie in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 20, 2022
 Field of snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 1, 2019
 Emerging Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2014
 Flowers of snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 1, 2019
 Snow-on-the-prairie (Euphorbia bicolor) with flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 31, 2021
 Shoot of snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 12, 2020
 Fieldcap mushrooms Agrocybe retigera in a prairie field in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 7, 2021
 Potato earthball mushrooms (Scleroderma bovista) in prairie in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 24, 2021
 Close-up of blue flowes of spiderwort (Tradescantia) in prairie in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2020
 Agaricus mushrooms under several wild live oaks in prairie in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 27, 2020
 Blooming plants of snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 1, 2019
 Emerging Snow-on-the-prairie (Euphorbia bicolor) plant in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 9, 2012
 Back lit shoot of snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 12, 2020
 Foxtail millet grass (Setaria italica) in prairie in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2020
 Prairie verbena (Glandularia bipinnatifida) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Green lynx spider on Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 6, 2009
 Prairie verbena (Glandularia bipinnatifida) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
 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, June 12, 2020
 Pepper-like lichen Sarcogyne regularis(?) on a sandstone rock in prairie in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2020
 Field of prairie parsley (Polytaenia texana), home of many black swallowtail caterpillars, in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2010
 Flowers of prairie verbena (Glandularia bipinnatifida) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Common fieldcap mushrooms (Agrocybe pediades) in prairie on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 18, 2020
 Prairie sunflower (Helianthus petiolaris)(?) on a sand pile at the beginning of Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2020
 Gills of common fieldcap mushrooms (Agrocybe pediades) in prairie on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 18, 2020
 Underside of common fieldcap mushrooms (Agrocybe pediades) in prairie on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 18, 2020
 Ustilago or may be Claviceps fungus (ergot family) from some grass at the edge of prairie on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 22, 2022
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