 Central part of a flower of white prickly poppy in Birch Creek Unit of Lake Somerville State Park, Texas, April 29, 2012
 Katydid on white prickly poppy in Birch Creek Unit of Lake Somerville State Park, Texas, April 29, 2012
 White prickly poppy (Argemone albiflora) in Birch Creek Unit of Lake Somerville State Park, Texas, April 29, 2012
 White prickly poppy on shores of the lake 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, April 14, 2024
 Flower 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
 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
 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, October 16, 2020
 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
 Flower of prickly poppy (Argemone albiflora) near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 White prickly poppy (Argemone albiflora) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 26, 2023
 Close up of a flower of prickly poppy (Argemone albiflora) near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 Flower of prickly poppy (Argemone albiflora) on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, April 26, 2020
 Blooming 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
 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
 Prickly poppy (Argemone albiflora) on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, April 26, 2020
 Katydid nymph on prickly poppy (Argemone albiflora) near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 Katydid nymph on a petal of prickly poppy (Argemone albiflora) near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 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
 Yellow flowers of prickly pears (Opuntia) in Birch Creek Unit of Lake Somerville State Park, Texas, April 29, 2012
 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
 Stamens of white prickly poppy (Argemone albiflora) flower on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, May 30, 2010
 Yellow flower of prickly pear cactus (Opuntia) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, May 7, 2023
 White daisy flower at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 5, 2020
 Flower heads of woolly-white (Hymenopappus artemisiaefolius) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 19, 2019
 Flower fly (Diptera, Syrphidae) on woolly-white (Hymenopappus artemisiaefolius) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 19, 2019
 Late blooming prickly poppy (Argemone albiflora) on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, October 31, 2020
 Black flower fly (Diptera, Syrphidae) on woolly-white (Hymenopappus artemisiaefolius) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 19, 2019
 Metallic black flower fly (Diptera, Syrphidae) on woolly-white (Hymenopappus artemisiaefolius) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 19, 2019
 Bladderpod flower (Lesquerella) 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
 Red firewheel flower (Gaillardia amblyodon) in Birch Creek Unit of Lake Somerville State Park, Texas, April 29, 2012
 Back lit bladderpod flower (Lesquerella) in Birch Creek Unit of Lake Somerville State Park, Texas, April 29, 2012
 Flower of Venus looking glass (Triodanis perfoliata) in Birch Creek Unit of Lake Somerville State Park, Texas, April 29, 2012
 Flower of Baby blue eyes (Nemophila phacelioides) in Birch Creek Unit of Lake Somerville State Park, Texas, April 29, 2012
 Woolly-white (Hymenopappus) with petaloid white phyllaries (bracts) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
 Globular flower of buttonbush (Cephalanthus occidentalis) on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2012
 White flower of summer spiderlily (woodland spider-lily, Hymenocallis occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2022
 Blooming prickly pear cactus (Opuntia) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, May 7, 2023
 Thistle flower at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 19, 2019
 Flower bud of a thistle at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 19, 2019
 Woolly-white (Hymenopappus) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 20, 2022
 Flowers of woolly-white (Hymenopappus) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 20, 2022
 Woolly-white (Hymenopappus artemisiaefolius) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 3, 2022
 Flowers of woolly-white (Hymenopappus) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 20, 2022
 Woolly-white (Hymenopappus artemisiaefolius) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 14, 2024
 Close-up of woolly-white (Hymenopappus) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 20, 2022
 Flowers of woolly-white (Hymenopappus artemisiaefolius) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 5, 2020
 Blooming woolly-white (Hymenopappus artemisiaefolius) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 5, 2020
 Flowers of woolly-white (Hymenopappus artemisiaefolius) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 19, 2019
 Flower of dwarf dandelion (Krigia occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 3, 2022
 Flower of false dandelion (Pyrrhopappus carolinianus) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 14, 2024
 Crown tickseed flower (Coreopsis nuecensoides) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 14, 2024
 Light blue flower of spiderwort (Tradescantia) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 20, 2022
 Opening flowers of woolly-white (Hymenopappus artemisiaefolius) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 3, 2022
 Almost white phenotype of false dandelion (Pyrrhopappus carolinianus) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 14, 2024
 White prickly poppy on a slope of a hill in Bastrop State Park. Bastrop, Texas, April 21, 2012
 Young leaf and flower buds of mustang grape at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 3, 2022
 Flower buds of squaw-weed (Senecio ampullaceus) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 3, 2022
 Blue flower of Carolina larkspur (Delphinium carolinianum) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 19, 2019
 Flower of buttonbush (Cephalanthus occidentalis) on a shore of the lake in Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2012
 Tachinid fly (Diptera, Tachinidae) on woolly-white (Hymenopappus artemisiaefolius) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 19, 2019
 Giant ragweed (Ambrosia trifida) with half-white leaves at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 14, 2024
 Flower head of Drummond wild onion (Allium drummondii) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 19, 2019
 Flower head of Drummond wild onion (Allium drummondii) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 5, 2020
 Malformed yellow flower of aster family because of parasites on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
 Dissected malformed yellow flower of aster family on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
 Large tachinid fly (Diptera, Tachinidae) on woolly-white (Hymenopappus artemisiaefolius) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 19, 2019
 Metallic bronze beetles (Coleoptera, Scarabaeidae) on woolly-white (Hymenopappus artemisiaefolius) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 19, 2019
 Oil pump in Birch Creek Unit of Lake Somerville State Park, Texas, April 29, 2012
 Flower buds of woolly-white (Hymenopappus artemisiaefolius) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 26, 2023
 White flower of Drummond sandwort (Arenaria drummondii) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024
 A fly on spiderwort (Tradescantia) in Birch Creek Unit of Lake Somerville State Park, Texas, April 29, 2012
 Sage (Salvia) in Birch Creek Unit of Lake Somerville State Park, Texas, April 29, 2012
 Dayflower (Commelina) in Birch Creek Unit of Lake Somerville State Park, Texas, April 29, 2012
 Phlox flowers in Birch Creek Unit of Lake Somerville State Park, Texas, April 29, 2012
 A bug on spiderwort (Tradescantia) in Birch Creek Unit of Lake Somerville State Park, Texas, April 29, 2012
 Some blooming bush in Birch Creek Unit of Lake Somerville State Park, Texas, April 29, 2012
 Small flower of Japanese mazus (Mazus pumilus) in wet area on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
 Turtle hiding its head in Birch Creek Unit of Lake Somerville State Park, Texas, April 29, 2012
 Beebalm (Monarda punctata) in Birch Creek Unit of Lake Somerville State Park, Texas, April 29, 2012
 Pink phlox flowers in Birch Creek Unit of Lake Somerville State Park, Texas, April 29, 2012
 Flowers of spiderwort (Tradescantia) in Birch Creek Unit of Lake Somerville State Park, Texas, April 29, 2012
 White prickly poppy in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2012
 Yellow flower and white fluffy seeds of sow thistle (Sonchus oleraceus) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024
 Bracted fanpetals (Sida ciliaris) in Birch Creek Unit of Lake Somerville State Park, Texas, April 29, 2012
 Flowers of beebalm (Monarda punctata) in Birch Creek Unit of Lake Somerville State Park, Texas, April 29, 2012
 Blooming beebalm (Monarda punctata) in Birch Creek Unit of Lake Somerville State Park, Texas, April 29, 2012
 Venus looking glass (Triodanis perfoliata) in Birch Creek Unit of Lake Somerville State Park, Texas, April 29, 2012
 Wild Carrot (Daucus pusillus) in Birch Creek Unit of Lake Somerville State Park, Texas, April 29, 2012
 Young leaves of a plant of pea family in Birch Creek Unit of Lake Somerville State Park, Texas, April 29, 2012
 White prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2012
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