 Katydid nymph on prickly poppy (Argemone albiflora) near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 Flower of prickly poppy (Argemone albiflora) near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 Close up of a flower of prickly poppy (Argemone albiflora) near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 White prickly poppy (Argemone albiflora) in Birch Creek Unit of Lake Somerville State Park, Texas, April 29, 2012
 White prickly poppy (Argemone albiflora) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 16, 2020
 White prickly poppy (Argemone albiflora) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, May 6, 2018
 White prickly poppy (Argemone albiflora) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 14, 2024
 White prickly poppy (Argemone albiflora) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 26, 2023
 White prickly poppy (Argemone albiflora) on a road on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, May 6, 2018
 Winter rosette of white prickly poppy (Argemone albiflora) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 6, 2024
 Prickly poppy (Argemone albiflora) on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, April 26, 2020
 Flower of prickly poppy (Argemone albiflora) on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, April 26, 2020
 Late blooming prickly poppy (Argemone albiflora) on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, October 31, 2020
 Blooming white prickly poppy (Argemone albiflora) at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, April 4, 2021
 Flower of white prickly poppy (Argemone albiflora) at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, April 4, 2021
 Leaves of white prickly poppy (Argemone albiflora) at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, April 4, 2021
 Large flower of white prickly poppy (Argemone albiflora) at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, April 4, 2021
 Delicate flower of white prickly poppy (Argemone albiflora) at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, April 4, 2021
 Side view of flower of white prickly poppy (Argemone albiflora) at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, April 4, 2021
 Honey bee hovering over a flower of white prickly poppy (Argemone albiflora) at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, April 4, 2021
 Leaves of white prickly poppy (Argemone albiflora) on Lake Somerville Trailway in area of Newman Bottom near Nails Creek Unit of Somerville Lake State Park. Texas, February 2, 2021
 Flower of white prickly poppy (Argemone albiflora) with a green metallic beetle at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, April 4, 2021
 Rosette of leaves of white prickly poppy (Argemone albiflora) on sand mound of harvester ants on Lake Somerville Trailway in area of Newman Bottom near Nails Creek Unit of Somerville Lake State Park. Texas, February 2, 2021
 Winter rosette of leaves of white prickly poppy (Argemone albiflora) on sand mound of harvester ants on Lake Somerville Trailway in area of Newman Bottom near Nails Creek Unit of Somerville Lake State Park. Texas, February 2, 2021
 Katydid on white prickly poppy in Birch Creek Unit of Lake Somerville State Park, Texas, April 29, 2012
 White prickly poppy (Argemone albiflora) with a katydid in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 27, 2012
 Coreopsis flower with a katydid nymph at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 14, 2019
 Katydid nymph on Lantana flowers at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 30, 2021
 White prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2014
 Shoot of mustang grape with a katydid nymph at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 3, 2022
 Katydid nymph of yellow star-grass (Hypoxis hirsuta) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 20, 2022
 Dwarf dandelion (Krigia occidentalis) witha katydid nymph at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 3, 2022
 Ovary of white prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 1, 2012
 Late blooming white prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 2, 2022
 White prickly poppy on shores of the lake in Birch Creek Unit of Lake Somerville State Park, Texas, April 29, 2012
 Winter rosette of white prickly poppy (Argemone albiflora) in Bee Creek Park. College Station, Texas, January 28, 2023
 Stamens of a flower of white prickly poppy in Birch Creek Unit of Lake Somerville State Park, Texas, April 29, 2012
 Central part of a flower of white prickly poppy in Birch Creek Unit of Lake Somerville State Park, Texas, April 29, 2012
 Prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 17, 2022
 Flower of prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2020
 White prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2022
 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 12, 2018
 White prickly poppy (Argemone albiflora) with katidid in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 10, 2019
 Flower of prickly poppy (Argemone albiflora) with a beetle in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 17, 2022
 Leaves of white prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2024
 Rosette of leaves of prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 7, 2024
 Flowers of 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 24, 2022
 Basal leaves of prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
 Blooming white prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 12, 2018
 Seedling of white prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 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
 Opening flower of white prickly poppy (pricklepoppy, Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2009
 Winter rosette of white prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 18, 2020
 Winter rosette of white prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Rosette of leaves of white prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 7, 2024
 Upper view of white prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2022
 Leaves with water drops of prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
 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
 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 white prickly poppy (Argemone albiflora) on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, May 30, 2010
 White prickly poppy (Argemone albiflora) flowers on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, May 30, 2010
 Stamens of white prickly poppy (Argemone albiflora) flower on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, May 30, 2010
 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
 Blooming prickly pear cactus (Opuntia) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, May 7, 2023
 Yellow flower of prickly pear cactus (Opuntia) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, May 7, 2023
 Fluffy seeds of ten-petal anemone (basket anemone, Anemone heterophylla) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2021
 Ten-petal anemone (Anemone heterophylla) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 2, 2024
 Top view of a ten-petal anemone (Anemone heterophylla) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 2, 2024
 Flower of a ten-petal anemone (Anemone heterophylla) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 2, 2024
 Fluffy seeds of ten-petal anemone (Anemone heterophylla) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024
 Fluffy seeds of ten-petal anemone (Anemone heterophylla) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 26, 2023
 Sagittaria like flowers near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 Indigofera(?) flowers near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 Galls on an oak leaf near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 Yellow flowers of prickly pears (Opuntia) in Birch Creek Unit of Lake Somerville State Park, Texas, April 29, 2012
 Prickly seeds of Buffalo bur (Solanum rostratum) in Birch Creek Unit of Somerville Lake State Park. Texas, December 22, 2012
 Ten-petal anemone (basket anemone, Anemone heterophylla) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Turk s cap (Malvaviscus drummondii) near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 Buttonbush (Cephalanthus occidentalis) near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 Passion flower (Passiflora) near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 Flowers of a species of Indigofera near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 Slender vervain (verbena) near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 Close up of galls on an oak leaf near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 Rosette of prickly leaves of thistle (Cirsium) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 15, 2023
 Fluffy seeds of ten-petal anemone (basket anemone, Anemone heterophylla) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024
 Small dark aphids on a leaf near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 Tiny Diodia like flower on roadside near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 Red firewheel flower (Gaillardia amblyodon) near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 Spurge (Euphorbia heterophylla) on roadside near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 Fruits of peppervine (Ampelopsis arborea) near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 Blooming buttonbush (Cephalanthus occidentalis) near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 Hooker s eryngo (Eryngium hookeri) near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 Copper lily (Habranthus texanus) near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 Top view of young pad of prickly pear cactus (Opuntia) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024
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