 Close up of Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 10, 2019
 Blooming plant 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 15, 2020
 Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 30, 2008
 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 27, 2021
 Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 8, 2014
 Plants of snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 1, 2019
 Field of snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 1, 2019
 Flowers of snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 1, 2019
 Grasshopper on snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 1, 2019
 Flowers of Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 15, 2020
 Close-up of 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) with flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 27, 2021
 Blooming 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 8, 2021
 Shoots of Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 8, 2021
 Flower of Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 21, 2010
 Blooming plants 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) on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 9, 2008
 Emerging flowers of Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 15, 2020
 Leaves and flowers of Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 8, 2021
 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
 Snow-on-the-prairie (Euphorbia bicolor) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 2, 2020
 Green lynx spider on Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 29, 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 21, 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) with flowers 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
 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
 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, September 23, 2012
 Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 9, 2023
 Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 31, 2021
 Snow-on-the-prairie (Euphorbia bicolor) in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 6, 2009
 Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 9, 2023
 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
 Shoot of Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 4, 2020
 Emerging Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2014
 Plant of Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 9, 2023
 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
 Back lit shoot of snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 12, 2020
 Wilted plant of Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 9, 2023
 Emerging Snow-on-the-prairie (Euphorbia bicolor) plant in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 9, 2012
 Green lynx spider on Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 6, 2009
 Snow-on-the-prairie with a green lynx spider in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 30, 2008
 Dry prairie in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 6, 2011
 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
 Green and white spurge (Euphorbia heterophylla) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 15, 2020
 Prairie tea (Croton monanthogynus) 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
 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
 Prairie in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 20, 2018
 Creeping Euphorbia in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2020
 Prairie in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 2, 2022
 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
 Prairie parsley flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2008
 Dry prairie at sunrise in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 10, 2011
 Prairie parsley (Polytaenia texana) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 5, 2022
 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
 Prairie verbena (Glandularia bipinnatifida) 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 3, 2020
 Common prairie grass in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2021
 Flower of a common prairie grass in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2021
 Prairie verbena (Glandularia bipinnatifida) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 3, 2021
 Umbrella of Prairie parsley flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2012
 Prairie parsley (Polytaenia texana) 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, April 19, 2021
 Green and white spurge (Euphorbia heterophylla) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2020
 Shoot of warty spurge (Euphorbia spathulata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023
 Seeds of prairie-mimosa (Desmanthus illinoensis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 12, 2010
 Leaves of prairie parsley (Polytaenia texana) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
 Blue flowes of spiderwort (Tradescantia) in prairie in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2020
 Dry seeds of prairie parsley (Polytaenia texana) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 9, 2023
 Flowers of prairie verbena (Glandularia bipinnatifida) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 3, 2021
 Small Gymnopus(?) mushrooms in grass on prairie in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 8, 2013
 Small bluets (Hedyotis crassifolia) in prairie in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 20, 2022
 Prostrate spurge (Euphorbia) on sand of Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 12, 2020
 Barometer earthstar mushrooms (Astraeus hygrometricus) in prairie in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 26, 2023
 Close-up of blue flowes of spiderwort (Tradescantia) in prairie in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2020
 Fieldcap mushrooms Agrocybe retigera in a prairie field in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 7, 2021
 Foxtail millet grass (Setaria italica) in prairie in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2020
 Potato earthball mushrooms (Scleroderma bovista) in prairie in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 24, 2021
 Agaricus mushrooms under several wild live oaks in prairie in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 27, 2020
 Puncturevine (Caltrop, Tribulus terrestris) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 10, 2019
 Deformed plant in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 10, 2019
 Bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 10, 2019
 Foxtail millet grass (Setaria italica) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 10, 2019
 Pink powderpuff flower (Mimosa strigillosa) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 10, 2019
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