 Flower of Alligator weed (Alternanthera philoxerpides) near a pond in Central Park. College Station, Texas, June 15, 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 philoxeroides) in Brazos County Park. Bryan, Texas, May 23, 2012
 Whitish, papery ball-shaped flower of Alligator weed (Alternanthera philoxeroides) in Brazos County Park. Bryan, Texas, May 23, 2012
 Prostrate weed of khakiweed (washerwoman, mat chaff flower, Alternanthera caracasana) with prickly seeds taken from a lawn. College Station, Texas, November 23, 2010
 Black eyed susan and mock bishop s weed in Lick Creek Park. College Station, Texas, June 6, 2012
 Geese in a pond of Central Park. College Station, Texas, November 20, 2010
 Cypress in a pond of Central Park. College Station, Texas, November 13, 2011
 Cypress tree in a pond of Central Park. College Station, Texas, December 5, 2009
 Bald cypress in a pond of Central Park. College Station, Texas, November 13, 2011
 Smartweed (Polygonum) near a pond in Central Park. College Station, Texas, July 30, 2014
 Cypress trees and a pond in Central Park. College Station, Texas, November 20, 2010
 Bald cypress in a pond in Central Park. College Station, Texas, December 12, 2013
 Bald cypress trees in Central Park pond. College Station, Texas, December 5, 2009
 Christmas lights reflected in a pond of Central Park. College Station, Texas, December 17, 2008
 Steamboat Christmas light decoration on a pond in Central Park. College Station, Texas, December 29, 2009
 Bald cypress trees in a fishing pond of Central Park. College Station, Texas, December 5, 2009
 Potato-weed (solanum) in Lick Creek Park. College Station, Texas, July 7, 2012
 Floating primrose-willow (Ludwigia peploides) near a pond in Central Park. College Station, Texas, July 8, 2014
 Mock Bishop s Weed on cutting near the park fence in Lick Creek Park. College Station, Texas, May 7, 2012
 Khaki Burr weed (Alternanthera pungens) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, October 9, 2015
 Close up of a flower of Potato-weed (solanum) in Lick Creek Park. College Station, Texas, July 7, 2012
 Black-eyed susan and Mock Bishop s Weed in Lick Creek Park. College Station, Texas, May 7, 2012
 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
 Yellow flower of floating primrose-willow (Ludwigia peploides) near a pond in Central Park. College Station, Texas, July 8, 2014
 Black-eyed susan and Mock Bishop s Weed flowers in Lick Creek Park. College Station, Texas, May 7, 2012
 Black-eyed susan, Mock Bishop s Weed, and plantain in Lick Creek Park. College Station, Texas, May 7, 2012
 Fruits of Horse Nettle (Potato-weed, Solanum) in Lick Creek Park. College Station, Texas, September 16, 2012
 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
 Black-eyed susan and Mock Bishop s Weed near Post Oak Trail in Lick Creek Park. College Station, Texas, May 18, 2012
 Black-eyed susan, Mock Bishop s Weed, and Curly Dock in Lick Creek Park. College Station, Texas, May 7, 2012
 Close up 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
 Carpet 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
 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
 Black-eyed susan (Rudbeckia hirta) and Mock Bishop s Weed (Ptilimnium nuttali) in Lick Creek Park. College Station, Texas, May 7, 2012
 Black eyed susans (Rudbeckia hirta) and Mock bishop s weed (Ptilimnium nuttallii) in Lick Creek Park. College Station, Texas, May 7, 2012
 Black Eyed Susan (Rudbeckia hirta) and Mock Bishop s Weed (Ptilimnium nuttali) in Lick Creek Park. College Station, Texas, May 3, 2012
 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) growing among prostrate spurge 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
 Field of Black eyed susans (Rudbeckia hirta) and Mock bishop s weed (Ptilimnium nuttallii) in Lick Creek Park. College Station, Texas, May 10, 2012
 Black Eyed Susan (Rudbeckia hirta) and Mock Bishop s Weed (Ptilimnium nuttali) in Lick Creek Park. College Station, Texas, April 30, 2012
 Field of Black eyed susan and Mock bishop s weed (Ptilimnium nuttallii) near Post Oak Trail in Lick Creek Park. College Station, Texas, May 7, 2012
 Field of black-eyed susan (Rudbeckia hirta) and Mock Bishop s Weed (Ptilimnium nuttali) in Lick Creek Park. College Station, Texas, May 7, 2012
 Berries of Coma (gum bumelia, Gum Bully, Sideroxylon lanuginosum) in Central Park. College Station, Texas, August 23, 2012
 Black-eyed susan (Rudbeckia hirta) and Mock Bishop s Weed (Ptilimnium nuttali) near Post Oak Trail in Lick Creek Park. College Station, Texas, May 18, 2012
 Black-eyed susan (Rudbeckia hirta) and Mock Bishop s Weed (Ptilimnium nuttali) at Post Oak Trail in Lick Creek Park. College Station, Texas, May 18, 2012
 Black eyed susans (Rudbeckia hirta) and Mock bishop s weed (Ptilimnium nuttallii) at Post Oak Trail in Lick Creek Park. College Station, Texas, May 10, 2012
 Field of Black-eyed susan (Rudbeckia hirta) and Mock Bishop s Weed (Ptilimnium nuttali) near equestrian entrance in Lick Creek Park. College Station, Texas, May 18, 2012
 Black-eyed susan (Rudbeckia hirta) and Mock Bishop s Weed (Ptilimnium nuttali) near Post Oak Trail at sunrise in Lick Creek Park. College Station, Texas, May 18, 2012
 Field of Black eyed susans (Rudbeckia hirta) and Mock bishop s weed (Ptilimnium nuttallii) near the equestrian entrance in Lick Creek Park. College Station, Texas, May 10, 2012
 Black oval berries of Coma (gum bumelia, Gum Bully, Sideroxylon lanuginosum) in Central Park. College Station, Texas, August 23, 2012
 Western horse nettle (Potato-weed, Solanum dimidiatum) in Lick Creek Park. College Station, June 15, 2008
 Western Horse Nettle (Potato-weed, Solanum dimidiatum) near Deer Run Trail in Lick Creek Park. College Station, Texas, June 8, 2008
 Potato-weed (western horse nettle, Solanum dimidiatum) in Lick Creek Park, on Deer Run Trail. College Station, Texas, June 21, 2008
 Central (Konstantin) Rozovopavilionny Pond from 12-th Parade Alley in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, June 6, 2017
 Some weed in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 26, 2012
 Central area of spurge Euphorbia prostrata(?) in Lick Creek Park. College Station, Texas, June 17, 2022
 Datura metel (Purple Horn-of-Plenty, Jimpson Weed, Devils Weed) in TAMU Holistic Garden in Texas A and M University. College Station, Texas, October 25, 2008
 Pond of Research Park on campus of Texas A and M University. College Station, Texas, January 6, 2012
 Moonset over a pond of Research Park on campus of Texas A and M University. College Station, Texas, November 28, 2012
 Wooden poles near a pond of Research Park on campus of Texas A and M University. College Station, Texas, November 13, 2012
 Texture of wooden poles at a pond of Research Park on campus of Texas A and M University. College Station, Texas, November 13, 2012
 Rotten wood texture near a pond of Research Park on campus of Texas A and M University. College Station, Texas, November 13, 2012
 Central part of basket flower (Centaurea americana) in TAMU Holistic Garden in Texas A and M University. College Station, Texas, May 20, 2012
 Wooden poles reinforcing embankment of a pond of Research Park on campus of Texas A and M University. College Station, Texas, November 13, 2012
 Rotten wooden poles at sunrise near a pond of Research Park on campus of Texas A and M University. College Station, Texas, November 13, 2012
 Rotting wooden poles reinforcing embankment of a pond of Research Park on campus of Texas A and M University. College Station, Texas, November 13, 2012
 Rotten wooden poles reinforcing embankment of a pond of Research Park on campus of Texas A and M University. College Station, Texas, November 13, 2012
 Texture of wooden poles reinforcing embankment of a pond of Research Park on campus of Texas A and M University. College Station, Texas, November 13, 2012
 Marsh of Alligator Branch of Lake Raven in Huntsville State Park. Texas, November 23, 2012
 Area of Alligator Branch of Lake Raven in Huntsville State Park. Texas, November 23, 2012
 Fall foliage of Alligator Branch of Lake Raven in Huntsville State Park. Texas, November 23, 2012
 Fall colors of Alligator Branch of Lake Raven in Huntsville State Park. Texas, November 23, 2012
 Chinese tallow in Alligator Branch of Lake Raven in Huntsville State Park. Texas, November 23, 2012
 Cylindrical cluster of white flowers of pickerel weed (Pontederia) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, June 7, 2008
 Rotten tree stump near Alligator Branch of Lake Raven in Huntsville State Park. Texas, November 23, 2012
 Chinese tallow in a marsh of Alligator Branch of Lake Raven in Huntsville State Park. Texas, November 23, 2012
 Old foot bridge in area of Alligator Branch of Lake Raven in Huntsville State Park. Texas, November 23, 2012
 Boardwalk of Chinquapin Trail across Alligator Branch of Lake Raven in Huntsville State Park. Texas, November 23, 2012
 A small pond in a forest in Bastrop State Park. Bastrop, Texas, June 16, 2012
 Orange leaves of Chinese tallow in Alligator Branch of Lake Raven in Huntsville State Park. Texas, November 23, 2012
 Fall foliage of Chinese tallow in Alligator Branch of Lake Raven in Huntsville State Park. Texas, November 23, 2012
 Boardwalk of Chinquapin Trail across Alligator Branch of Lake Raven in Huntsville State Park at rain. Texas, November 23, 2012
 Wooden foot bridge in area of Alligator Branch of Lake Raven in Huntsville State Park. Texas, November 23, 2012
 Orange foliage of Chinese tallow in Alligator Branch of Lake Raven in Huntsville State Park. Texas, November 23, 2012
 Orange foliage of Chinese tallow in Alligator Branch of Lake Raven in Huntsville State Park. Texas, November 23, 2012
 Toad Pond from Lost Pines Trail in Bastrop State Park. Bastrop, Texas, June 16, 2012
 Potato-weed (solanum) in Lick Creek Park. College Station, Texas, May 19, 2010
 Potato-weed (solanum) in Lick Creek Park. College Station, Texas, May 15, 2009
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