 White prickly poppy in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 9, 2008
 White prickly poppy in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 14, 2008
 Young katydid on white prickly poppy in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 3, 2008
 Prickly poppy flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 27, 2008
 White prickly poppy in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2012
 Prickly poppy flower with immature katydid in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 27, 2008
 White prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 12, 2018
 White prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 21, 2018
 White prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2012
 White prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2022
 Blooming white prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 12, 2018
 Blooming white prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2022
 Flowers of white prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2022
 Upper view of white prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2022
 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
 White flower of prickly poppy in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2009
 Grasshopper on a white prickly poppy flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 24, 2009
 White prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2014
 White prickly poppy (Argemone albiflora) with a katydid in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 27, 2012
 White prickly poppy (Argemone albiflora) with katidid in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 10, 2019
 Leaves of white prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2024
 Ovary of white prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 1, 2012
 Seedling of white prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 7, 2024
 Late blooming white prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 2, 2022
 Winter rosette of white prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 18, 2020
 Close up of a green grasshopper sitting on a white prickly poppy flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 24, 2009
 Opening flower of white prickly poppy (pricklepoppy, Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2009
 Rosette of leaves of white prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 7, 2024
 Winter rosette of white prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Leaves of prickly poppy in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 4, 2022
 Prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 17, 2022
 Winter rosette of white prickly poppy (Argemone albiflora) with water drops in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Flower of prickly poppy (Argemone albiflora) with a beetle in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 17, 2022
 White prickly poppy (Argemone albiflora) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Washington-on-the-Brazos State Historic Site. Washington, Texas, August 29, 2024
 White flower of prickly poppy (pricklepoppy, Argemone albiflora) with orange center and delicate crinkled petals in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2009
 Hover fly (syrphid) on a flower of w hite prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2022
 Prickly poppy in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 17, 2014
 Flower of prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2020
 Basal leaves of prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
 Rosette of leaves of prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 7, 2024
 Young leaves of prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023
 Small rosette of leaves of prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
 Leaves with water drops of prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
 White gaura flower in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 5, 2008
 White bishops weed-like flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2008
 Heart shaped leaf of greenbrier (prickly-ivy, smilax) in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 18, 2008
 Dark berries of greenbrier vine (prickly-ivy, smilax, sarsaparilla) in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 18, 2008
 Flower heads of woolly-white (Hymenopappus artemisiaefolius) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 5, 2008
 Blooming prickly pears cactus (Opuntia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 30, 2011
 Dry pad skeleton of prickly pear cactus (Opuntia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 17, 2022
 Texture of a pad skeleton of prickly pear cactus (Opuntia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 17, 2022
 Yellow flowers of Prickly pear cactus (Opuntia) in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2012
 Vegetative shoot of prickly pear cactus (Opuntia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 17, 2022
 Prickly flower buds of bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 3, 2021
 Prickly flow buds of bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 17, 2022
 White flowers of rough-leaf dogwood (Cornus drummondii) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 10, 2008
 Common red corn poppy (Papaver rhoeas) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020
 Indian paintbrush in 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
 Winecup flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2008
 Bluebonnet in morning dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2008
 Red paintbrush at sunrise in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 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
 Meadow with bluebonnet in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 5, 2008
 Prickly pear pad in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
 Prickly pears in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 16, 2011
 Pad of prickly pears (Opuntia) with a bug in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 22, 2022
 Bluebonnet flowers in morning dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2008
 Lemon 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
 Horse in Barrington farm in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 27, 2008
 Showy evening primrose in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2008
 Indian paintbrush plants 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
 Parts of paintbrush flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2008
 Paintbrush with a spider in morning dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2008
 Red paintbrush at sunrise with a katydid in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2008
 Showy evening primrose in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2008
 Fleabane daisy(?) flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2008
 Young leaf of raspberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2008
 Indian paintbrush in morning dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2008
 Prickly pear (Opuntia) pad in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
 Pad of prickly pears in a forest in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 8, 2012
 Black-eyes susan flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 27, 2008
 Japanese honeysuckle (Lonicera japonica) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2008
 Horse on a meadow in Barrington farm in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 27, 2008
 Young katydid on paintbrush flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2008
 Grazing horse in Barrington farm in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 27, 2008
 Yellow lemon paintbrush flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2008
 Yellow and pink Indian paintbrush in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2008
 Showy evening primrose in dew at sunrise in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2008
 Baby blue eyes flower in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 5, 2008
 Bluebonnet flowers in Washington-on-the-Brazos State Historic Site, near Loop Trail. Washington, Texas, April 5, 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
 Showy evening primrose in morning dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2008
 Prickly peas (Opuntia cactus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2014
 Prickly pear cacti (Opuntia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 27, 2019
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