 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) 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 3, 2008
 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
 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
 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 8, 2014
 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 27, 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
 Flower of Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 21, 2010
 Close up of Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 10, 2019
 Shoots 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
 Flowers of Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 8, 2021
 Close-up of Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 8, 2021
 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
 Blooming plant Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 10, 2019
 Emerging flowers 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
 White stripes on leaves of Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 8, 2021
 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
 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 9, 2023
 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, July 12, 2014
 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 31, 2021
 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
 Flowers 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
 Plant of Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 9, 2023
 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
 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, June 12, 2020
 Snow-on-the-prairie (Euphorbia bicolor) with flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 31, 2021
 Grasshopper on snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 1, 2019
 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
 Blooming plants of snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 1, 2019
 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
 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
 Vervain (Verbena) on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 9, 2008
 Mexican hat flower with a bee on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 9, 2008
 Prairie parsley flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 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
 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, March 29, 2023
 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
 Flowers of prairie verbena (Glandularia bipinnatifida) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Dry prairie in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 6, 2011
 Dried prairie in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 14, 2011
 Dry prairie grasses in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 14, 2011
 Common fieldcap mushrooms (Agrocybe pediades) in prairie on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 18, 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
 Dry croton and prairie grasses in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 6, 2011
 Snow-on-the-prairie (Euphorbia bicolor) on Richards Loop Trail in Sam Houston National Forest. Texas, August 21, 2020
 Snow-on-the-prairie (Euphorbia bicolor) on Richards Loop Trail in Sam Houston National Forest. Texas, August 7, 2021
 Snow-on-the-prairie (Euphorbia bicolor) on Richards Loop Trail in Sam Houston National Forest. Texas, August 15, 2021
 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
 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
 Green and white spurge (Euphorbia heterophylla) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 15, 2020
 Flowers of snow-on-the-prairie (Euphorbia bicolor) on Richards Loop Trail in Sam Houston National Forest. Texas, August 7, 2021
 Snow-on-the-prairie (Euphorbia bicolor) in bloom on Richards Loop Trail in Sam Houston National Forest. Texas, August 7, 2021
 Snow-on-the-prairie (Euphorbia bicolor) with flowers on Richards Loop Trail in Sam Houston National Forest. Texas, August 15, 2021
 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 in morning dew near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2008
 Vervain flower in dew in Washington-on-the-Brazos State Historic Site, near Loop Trail. Washington, Texas, April 5, 2008
 Bluebonnet flowers in Washington-on-the-Brazos State Historic Site, near Loop Trail. Washington, Texas, March 28, 2008
 Bluebonnet flowers 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
 Morning dew on bluebonnet leaf in Washington-on-the-Brazos State Historic Site, near Loop Trail. Washington, Texas, April 5, 2008
 Fleabane daisy(?) flower in dew 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
 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
 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
 Pink powderpuff (Mimosa strigillosa) on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 21, 2008
 Bushy bluestem (Andropogon glomeratus) in Washington-on-the-Brazos State Historic Site, on Loop Trail. Washington, Texas, November 16, 2008
 Showy evening primrose in morning dew near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2008
 Late flower of Indian paintbrush near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2008
 Immature katydid on green milkweed near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2008
 Zizotes milkweed (Asclepias oenotheroides) near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2008
 Bluebonnet and showy primrose flowers in Washington-on-the-Brazos State Historic Site, near Loop Trail. Washington, Texas, April 5, 2008
 Green milkweed (Asclepias viridis) in Washington-on-the-Brazos State Historic Site, near Loop Trail. Washington, Texas, April 5, 2008
 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
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