 Whitish, papery ball-shaped flower of Alligator weed (Alternanthera philoxeroides) in Brazos County Park. Bryan, Texas, May 23, 2012
 Alligator weed (Alternanthera philoxeroides) near a pond in Central Park. College Station, Texas, July 30, 2014
 Alligator weed (Alternanthera philoxeroides) near a pond in Central Park. College Station, Texas, July 8, 2014
 Flowers of Alligator weed (Alternanthera philoxeroides) near a pond in Central Park. College Station, Texas, July 30, 2014
 Alligator weed (Alternanthera philoxerpides) near a pond in Central Park. College Station, Texas, June 15, 2012
 Flower of Alligator weed (Alternanthera philoxerpides) near a pond in Central Park. College Station, Texas, June 15, 2012
 Buckeye butterfly in Brazos County Park. Bryan, Texas, May 23, 2012
 Indian wood oats in Brazos County Park. Bryan, Texas, May 23, 2012
 Bunchy, or many-spiked sedge (Cyperus polystachyos) in Brazos County Park. Bryan, Texas, May 23, 2012
 Navasota River from County Road 101 east from Bryan. Texas, December 28, 2012
 Navasota River under a bridge of County Road 101 east from Bryan. Texas, December 28, 2012
 Animal hanging from oak tree at County Road 101 east from Bryan. Texas, December 28, 2012
 County Road 101 bridge across Navasota River east from Bryan. Texas, December 28, 2012
 Resurrection fern (Pleopeltis polypodioides) from County Road 101 east from Bryan. Texas, December 28, 2012
 False bishop s weed (Ammi majus) in Lake Bryan Park. Bryan, Texas, May 16, 2018
 Prostrate weed of khakiweed (washerwoman, mat chaff flower, Alternanthera caracasana) with prickly seeds taken from a lawn. College Station, Texas, November 23, 2010
 Khaki Burr weed (Alternanthera pungens) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, October 9, 2015
 Close up of Khaki Burr weed (Alternanthera pungens) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, October 9, 2015
 Spreading of Khaki Burr weed (Alternanthera pungens) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, August 21, 2015
 Carpet of Khaki Burr weed (Alternanthera pungens) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, October 9, 2015
 Khaki Burr weed (Alternanthera pungens) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
 Dense infestation by Khaki Burr weed (Alternanthera pungens) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, October 9, 2015
 Carpet of Khaki Burr weed (Alternanthera pungens) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
 Mats of Khaki Burr weed (Alternanthera pungens) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
 Fresh leaves of Khaki Burr weed (Alternanthera pungens) on a field on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 10, 2015
 Close up of Khaki Burr weed (Alternanthera pungens) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
 Close up of Khaki Burr weed (Alternanthera pungens) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
 Khaki Burr weed (Alternanthera pungens) carpeting the ground on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
 Khaki Burr weed (Alternanthera pungens) growing among spurge on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
 Khaki Burr weed (Alternanthera pungens) growing on sandy road on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
 Khaki Burr weed (Alternanthera pungens) and spurge Euphorbia prostrata on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
 Khaki Burr weed (Alternanthera pungens) growing among prostrate spurge on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
 Sleeping butterfly in Lake Bryan Park. Bryan, Texas, June 13, 2012
 Sandy road in Lake Bryan Park. Bryan, Texas, January 7, 2012
 Cattails (typha) in Lake Bryan Park. Bryan, Texas, December 13, 2012
 Dry umbel with seeds in Lake Bryan Park. Bryan, Texas, June 13, 2012
 Utility line in Lake Bryan Park. Bryan, Texas, October 24, 2012
 Palafoxia rosea(?) in Lake Bryan Park. Bryan, Texas, October 10, 2012
 Pebbles on gas pipeline right of way in Lake Bryan Park. Bryan, Texas, January 7, 2012
 Butterfly on a thistle in Lake Bryan Park. Bryan, Texas, June 13, 2012
 Lichens on a twig in Lake Bryan Park. Bryan, Texas, October 24, 2012
 Cattails (typha) in Lake Bryan Park. Bryan, Texas, November 18, 2012
 A road in Lake Bryan Park. Bryan, Texas, January 7, 2012
 Old road in Lake Bryan Park. Bryan, Texas, January 7, 2012
 Utility line poles in Lake Bryan Park. Bryan, Texas, October 24, 2012
 Common buckeye butterfly in Lake Bryan Park. Bryan, Texas, June 13, 2012
 Berries of yaupon holly in Lake Bryan Park. Bryan, Texas, January 7, 2012
 Fall colors of farkleberry in Lake Bryan Park. Bryan, Texas, January 7, 2012
 Red milkweed (Asclepias tuberosa) in Lake Bryan Park. Bryan, Texas, June 13, 2012
 Dansby Power Plant in Lake Bryan Park. Bryan, Texas, November 18, 2012
 Persimmon (Diospyros virginiana) in Lake Bryan Park. Bryan, Texas, August 26, 2012
 Rotting towel on a beach in Lake Bryan Park. Bryan, Texas, November 18, 2012
 Katydid sleeping on sumpweed in Lake Bryan Park. Bryan, Texas, October 10, 2012
 Dry receptacle of aster flower in Lake Bryan Park. Bryan, Texas, June 13, 2012
 Dansby Power Plant in Lake Bryan Park. Bryan, Texas, December 13, 2012
 Turkey vultures on a dry oak tree at sunrise in Lake Bryan Park. Bryan, Texas, October 31, 2012
 Masses of small white asters in Lake Bryan Park. Bryan, Texas, October 24, 2012
 Whorled milkweed (Asclepias verticillata(?)) in Lake Bryan Park. Bryan, Texas, June 13, 2012
 Persimmon seeds in animal droppings in Lake Bryan Park. Bryan, Texas, August 26, 2012
 Square-Bud Primrose (Calylophus berlandieri(?)) in Lake Bryan Park. Bryan, Texas, June 13, 2012
 Green milkweed (Asclepias viridis) in Lake Bryan Park. Bryan, Texas, August 26, 2012
 Dense bloom of small asters in Lake Bryan Park. Bryan, Texas, October 24, 2012
 Fruits of persimmon (Diospyros virginiana) in Lake Bryan Park. Bryan, Texas, August 26, 2012
 Dansby Power Plant at morning in Lake Bryan Park. Bryan, Texas, November 22, 2012
 Southern prairie aster (Eurybia hemispherica) in Lake Bryan Park. Bryan, Texas, October 10, 2012
 Bluestem grass and sneezeweed on utility cutting in Lake Bryan Park. Bryan, Texas, November 18, 2012
 Blue waterleaf (Hydrolea ovata) on an island in Lake Bryan Park. Bryan, Texas, August 26, 2012
 Passion flower (maypop, Passiflora foetida) in Lake Bryan Park. Bryan, Texas, June 13, 2012
 Southern prairie aster (Eurybia hemispherica) in Lake Bryan Park. Bryan, Texas, October 10, 2012
 Slender bush clover (Lespedeza virginica) in Lake Bryan Park. Bryan, Texas, October 10, 2012
 Purple gerardia (false foxglove, Agalinis purpurea) in Lake Bryan Park. Bryan, Texas, October 10, 2012
 Berries of pokeweed (Phytolacca americana) on utility cutting in Lake Bryan Park. Bryan, Texas, December 4, 2012
 Creeping plant with tiny leaves on utility cutting in Lake Bryan Park. Bryan, Texas, November 18, 2012
 Possum-haw holly (deciduous yaupon, Ilex decidua) in Lake Bryan Park. Bryan, Texas, October 10, 2012
 Ripening pokeweed (Phytolacca americana) on utility cutting in Lake Bryan Park. Bryan, Texas, December 4, 2012
 Slender orange bush lichen (Teloschistes exilis) in Lake Bryan Park. Bryan, Texas, October 10, 2012
 Flowers of purple gerardia (false foxglove, Agalinis purpurea) in Lake Bryan Park. Bryan, Texas, October 10, 2012
 Cow itch succulent vine (Sorrelvine, Cissus trifoliata) with fruits in Lake Bryan Park. Bryan, Texas, November 22, 2012
 Fluffy flowers of Groundsel bush (seepwillow, Baccharis halimifolia) in Lake Bryan Park. Bryan, Texas, October 31, 2012
 Pillow shaped plant with narrow leaves on utility cutting in Lake Bryan Park. Bryan, Texas, December 4, 2012
 Green berries of pokeweed (Phytolacca americana) on utility cutting in Lake Bryan Park. Bryan, Texas, December 4, 2012
 Close up of purple gerardia (false foxglove, Agalinis purpurea) in Lake Bryan Park. Bryan, Texas, October 10, 2012
 Purple gerardia (false foxglove, Agalinis purpurea) in bloom in Lake Bryan Park. Bryan, Texas, October 10, 2012
 Honey bee on purple gerardia (false foxglove, Agalinis purpurea) in Lake Bryan Park. Bryan, Texas, October 10, 2012
 Back lit flowers of purple gerardia (false foxglove, Agalinis purpurea) in Lake Bryan Park. Bryan, Texas, October 10, 2012
 Close up of a feeding salt marsh moth caterpillar on utility cutting in Lake Bryan Park. Bryan, Texas, December 4, 2012
 Wild muskmelon (Cucumis melo, Dudaim melon) on utility cutting in Lake Bryan Park. Bryan, Texas, December 4, 2012
 Fluffy white flowers of groundsel bush (seepwillow, Baccharis halimifolia) in Lake Bryan Park. Bryan, Texas, October 10, 2012
 Green and violet berries of pokeweed (Phytolacca americana) on utility cutting in Lake Bryan Park. Bryan, Texas, December 4, 2012
 Closed flower of purple gerardia (false foxglove, Agalinis purpurea(?)) in Lake Bryan Park. Bryan, Texas, August 26, 2012
 Salt marsh moth caterpillars feeding on passion flower on utility cutting in Lake Bryan Park. Bryan, Texas, December 4, 2012
 Fall colors of wild muskmelon (Cucumis melo, Dudaim melon) on utility cutting in Lake Bryan Park. Bryan, Texas, November 22, 2012
 Orange fruits of wild muskmelon (Cucumis melo, Dudaim melon) on utility cutting in Lake Bryan Park. Bryan, Texas, November 18, 2012
 Orange fruits on a frozen wild muskmelon (Cucumis melo, Dudaim melon) on utility cutting in Lake Bryan Park. Bryan, Texas, November 22, 2012
 Half eaten fruit of wild muskmelon (Cucumis melo, Dudaim melon) on utility cutting in Lake Bryan Park. Bryan, Texas, October 31, 2012
 Ripe yellow fruits of wild muskmelon (Cucumis melo, Dudaim melon, gourd family) in Lake Bryan Park. Bryan, Texas, November 8, 2012
 Elegant stinkhorn mushrooms (Mutinus elegans, Phallaceae) growing on mulched trees on utility cutting in Lake Bryan Park. Bryan, Texas, December 4, 2012
 Groundsel bush (seepwillow, Baccharis halimifolia) on a lake shore in Lake Bryan Park. Bryan, Texas, October 24, 2012
 Red fall foliage of Chinese tallow (Sapium sebiferum) on a lake shore in Lake Bryan Park. Bryan, Texas, November 22, 2012
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