 Membranous sheath with a flower(?) of aquatic plant Widgeon Grass (Ruppia maritima) taken from Abu Nakhla jail ponds (sewage lagoons). Qatar, April 18, 2015
 Close up of membranous sheath with coiled stalk (peduncle) bearing flowers and fruits of aquatic plant Widgeon Grass (Ruppia maritima) taken from Abu Nakhla jail ponds (sewage lagoons). Qatar, April 18, 2015
 Close up of pea shaped fruits of aquatic plant Widgeon Grass (Ruppia maritima) taken from Abu Nakhla jail ponds (sewage lagoons). Qatar, April 18, 2015
 Close up of pea shaped fruits (drupelets) of aquatic plant Widgeon Grass (Ruppia maritima) taken from Abu Nakhla jail ponds (sewage lagoons). Qatar, April 18, 2015
 Aquatic plant Widgeon Grass (Ruppia maritima) taken from Abu Nakhla jail ponds (sewage lagoons). Qatar, April 18, 2015
 Stand of aquatic plant Widgeon Grass (Ruppia maritima) in Abu Nakhla jail ponds (sewage lagoons). Qatar, April 18, 2015
 Fruits and a flower of aquatic plant Widgeon Grass (Ruppia maritima) taken from Abu Nakhla jail ponds (sewage lagoons). Qatar, April 18, 2015
 Dense stand of aquatic plant Widgeon Grass (Ruppia maritima) in Abu Nakhla jail ponds (sewage lagoons). Qatar, April 18, 2015
 Cluster of fruits of aquatic plant Widgeon Grass (Ruppia maritima) taken from Abu Nakhla jail ponds (sewage lagoons). Qatar, April 18, 2015
 Widgeon Grass (Ruppia maritima) in Abu Nakhla jail ponds (sewage lagoons). Qatar, April 18, 2015
 Widgeon Grass (Ruppia maritima) with flowers in Abu Nakhla jail ponds (sewage lagoons). Qatar, April 18, 2015
 Dying aquatic plant of brittle naiad (Najas marina) in Abu Nakhla jail ponds (sewage lagoons). Qatar, April 18, 2015
 Dried aquatic plants of brittle naiad (Najas marina) in caked mud of Abu Nakhla jail ponds (sewage lagoons). Qatar, April 18, 2015
 Dried aquatic plants of brittle naiad (Najas marina) on muddy bottom of Abu Nakhla jail ponds (sewage lagoons). Qatar, April 18, 2015
 Grass Sporobolus spicatus growing on dried bottom of Abu Nakhla jail ponds (sewage lagoons). Qatar, April 18, 2015
 Old plywood mosque near Abu Nakhla jail ponds (sewage lagoons). Qatar, April 18, 2015
 Dried caked mud of Abu Nakhla jail ponds (sewage lagoons). Qatar, April 18, 2015
 Texture of dried caked mud of Abu Nakhla jail ponds (sewage lagoons). Qatar, April 18, 2015
 Dried caked mud on the bottom of Abu Nakhla jail ponds (sewage lagoons). Qatar, April 18, 2015
 Dried Abu Nakhla jail ponds (sewage lagoons), with caked mud at the bottom. Qatar, April 18, 2015
 Shrinking water reservoir of Abu Nakhla jail ponds (sewage lagoons). Qatar, April 18, 2015
 Dried caked mud covering the bottom of Abu Nakhla jail ponds (sewage lagoons). Qatar, April 18, 2015
 Drying Abu Nakhla jail ponds (sewage lagoons), April 18, 2015
 Blue dome and traces of a chandelier in a plywood mosque near Abu Nakhla jail ponds (sewage lagoons). Qatar, April 18, 2015
 Beaked tasselweed (widgeongrass, Ruppia maritima) taken from Abu Nakhla wastewater treatment ponds. Doha, Qatar, February 27, 2015
 Roots of beaked tasselweed (widgeongrass, Ruppia maritima) taken from Abu Nakhla wastewater treatment ponds. Doha, Qatar, February 27, 2015
 Clump of beaked tasselweed (widgeongrass, Ruppia maritima) taken from Abu Nakhla wastewater treatment ponds. Doha, Qatar, February 27, 2015
 Narrow leaves of beaked tasselweed (widgeongrass, Ruppia maritima) taken from Abu Nakhla wastewater treatment ponds. Doha, Qatar, February 27, 2015
 Beaked tasselweed (widgeongrass, Ruppia maritima) with roots extracted from Abu Nakhla wastewater treatment ponds. Doha, Qatar, February 27, 2015
 Brittle naiad aquatic plant (Najas marina) with roots taken from Abu Nakhla wastewater treatment ponds. Doha, Qatar, February 27, 2015
 Brittle naiad aquatic plant (Najas marina) extracted from Abu Nakhla wastewater treatment ponds. Doha, Qatar, February 27, 2015
 Brittle naiad aquatic plant (Najas marina) submerged in Abu Nakhla wastewater treatment ponds. Doha, Qatar, February 27, 2015
 Spiny leaves of brittle naiad aquatic plant (Najas marina) from Abu Nakhla wastewater treatment ponds. Doha, Qatar, February 27, 2015
 Brittle naiad aquatic plant (Najas marina) on dark background taken from Abu Nakhla wastewater treatment ponds. Doha, Qatar, February 27, 2015
 Toothed leaves of brittle naiad aquatic plant (Najas marina) extracted from Abu Nakhla wastewater treatment ponds. Doha, Qatar, February 27, 2015
 Toothed leaves of brittle naiad aquatic plant (Najas marina) with serrate edges taken from Abu Nakhla wastewater treatment ponds. Doha, Qatar, February 27, 2015
 Toothed leaves of brittle naiad aquatic plant (Najas marina) on dark background taken from Abu Nakhla wastewater treatment ponds. Doha, Qatar, February 27, 2015
 Old plywood mosque near Abu Nakhla wastewater treatment ponds. Doha, Qatar, February 27, 2015
 Plywood mosque near Abu Nakhla wastewater treatment ponds. Doha, Qatar, February 27, 2015
 Close up of inflorescence of Malabar sprangletop (brown beetle-grass, Leptochloa fusca) taken from area of lagoons north from entrance of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, December 18, 2015
 Close up of aquatic plant Brittle naiad (Najas marina) taken from a pond near the entrance of Irkhaya (Irkaya) Farms. Qatar, November 13, 2015
 Remains of a car near Abu Nakhla lagoons. South from Doha, Qatar, May 27, 2016
 Mihrab (semicircular prayer niche) in qibla wall inside old plywood mosque near Abu Nakhla wastewater treatment ponds. Doha, Qatar, February 27, 2015
 Solitary plant of European seaheath (Frankenia pulverulenta) in area of sewage ponds near Irkhaya (Irkaya) Farms. Qatar, June 3, 2016
 Birdwatching with QNHG (Qatar Natural History Group) near Abu Nakhla wastewater treatment ponds. Doha, Qatar, March 29, 2014
 Watching birds with QNHG (Qatar Natural History Group) near Abu Nakhla wastewater treatment ponds. Doha, Qatar, March 29, 2014
 Evans bluetail damselfly (Ischnura evansii) near Abu Nakhla wastewater treatment ponds. Doha, Qatar, March 29, 2014
 Inflorescence of Malabar sprangletop (brown beetle-grass, Leptochloa fusca) taken from area of lagoons north from entrance of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, December 18, 2015
 Group of birdwatchers from QNHG (Qatar Natural History Group) near Abu Nakhla wastewater treatment ponds. Doha, Qatar, March 29, 2014
 Bright mature male broad scarlet dragonfly (Crocothemis erythraea) near Abu Nakhla wastewater treatment ponds. Doha, Qatar, March 29, 2014
 Aquatic plant Brittle naiad (Najas marina) taken from a pond near the entrance of Irkhaya (Irkaya) Farms. Qatar, November 13, 2015
 Group of birdwatchers from QNHG (Qatar Natural History Group) on a service road near Abu Nakhla wastewater treatment ponds. Doha, Qatar, March 29, 2014
 Broad scarlet dragonfly (Crocothemis erythraea) in obelisk position near a service road of Abu Nakhla wastewater treatment ponds. Doha, Qatar, March 29, 2014
 Habitat of aquatic plant Brittle naiad (Najas marina) in a pond near the entrance of Irkhaya (Irkaya) Farms. Qatar, November 13, 2015
 Female broad scarlet dragonfly (Crocothemis erythraea) holding its abdomen up (obelisk position) near Abu Nakhla wastewater treatment ponds. Doha, Qatar, March 29, 2014
 Close up of rabbitsfoot grass (Polypogon monspeliensis)(?) taken from eastern Al Jood Street in Onaiza area. Doha, Qatar, April 7, 2015
 Southern cattail (Typha domingensis) in area of sewage ponds near Irkhaya (Irkaya) Farms. Qatar, June 3, 2016
 Close-up of seedlings of a dicotyledon plant narrowleaf marsh elder (Iva angustifolia) on a road over a sewage pipeline west from a water treatment plant in Lick Creek Park. College Station, Texas, February 5, 2024
 Close up of young plant of Egyptian Fig-marigold (slenderleaf ice plant, Mesembryanthemum nodiflorum) near Al Khor Hospital. Qatar, January 9, 2015
 Masses of Southern cattail (Typha domingensis) in area of sewage ponds near Irkhaya (Irkaya) Farms. Qatar, June 3, 2016
 Spike of Southern cattail (Typha domingensis) taken from area of sewage ponds near Irkhaya (Irkaya) Farms. Qatar, June 3, 2016
 Close up of Tetraena qatarense (Zygophyllum qatarense) plant near Al Khor Hospital. Qatar, April 24, 2015
 Flowering spikes of Southern cattail (Typha domingensis) in area of sewage ponds near Irkhaya (Irkaya) Farms. Qatar, June 3, 2016
 Southern cattail (Typha domingensis) with flowering spikes in area of sewage ponds near Irkhaya (Irkaya) Farms. Qatar, June 3, 2016
 Close-up of Vasey-grass (Paspalum urvillei) on a sewage line right of way in Lick Creek Park. College Station, Texas, July 18, 2020
 Close-up of seeds of hooded windmill grass (Chloris cucullata(?)) on a sewage line right of way in Lick Creek Park. College Station, Texas, July 18, 2020
 Close-up of rough barnyard grass (wild millet, Echinochloa muricata) on a recent sewage line right of way in Lick Creek Park. College Station, Texas, July 22, 2020
 Ornamental plant of fountain grass (Pennisetum setaceum) in a park at Al Markhiya Street near a corner with Onaiza. Doha, Qatar, May 2, 2015
 Tussock forming grass pan dropseed (Sporobolus ioclados) east from Al Jebail water treatment plant. Al Khor, Qatar, December 20, 2015
 Close up of cylindrical spikes of grass Sporobolus spicatus on small water stream north from Al Khor. Qatar, March 7, 2015
 Tussock of grass pan dropseed (Sporobolus ioclados) in a roadside depression east from Al Jebail water treatment plant. Al Khor, Qatar, December 20, 2015
 Fresh grass after a rain over sewage line right of way in Lick Creek Park. College Station, Texas, April 21, 2023
 Plant of Salsola soda (Suaeda maritima, Suaeda iranshahrii var. arabica) on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, October 9, 2014
 Close up of Salsola soda (Suaeda maritima, Suaeda iranshahrii var. arabica) on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, September 19, 2014
 Panicles of Malabar sprangletop (brown beetle-grass, Leptochloa fusca) in a roadside depression east from Al Jebail water treatment plant. Al Khor, Qatar, December 20, 2015
 Inflorescence of Malabar sprangletop (brown beetle-grass, Leptochloa fusca) in a roadside depression east from Al Jebail water treatment plant. Al Khor, Qatar, December 20, 2015
 Close up of Bienertia sinuspersici plant with fruits near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, November 14, 2015
 Close up of a flower of Caper plant (Capparis spinosa) in area of in Uwaynat Bin Husayn near Simaisma. Qatar, March 6, 2015
 Terminal inflorescence of Malabar sprangletop (brown beetle-grass, Leptochloa fusca) in a roadside depression east from Al Jebail water treatment plant. Al Khor, Qatar, December 20, 2015
 Close up of panicle inflorescence of common reed grass (Phragmites australis) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, December 18, 2015
 Close up of fruits of Bienertia sinuspersici plant taken from a shore near Purple Island (Jazirat Bin Ghanim) in Al Khor. Qatar, November 14, 2015
 Close up of a spike of grass Stipagrostis obtusa(?) without plume on roadside of a road to Sawda Natheel. Southern Qatar, April 15, 2016
 Swamp near a sewage treatment plant in Lick Creek Park. College Station, Texas, April 5, 2021
 Shoot of some plant on sewage line right-of-way in Lick Creek Park. College Station, Texas, April 17, 2023
 Floating oval leaves of an aquatic plant watershield (Brasenia schreberi, Nymphaeales: Cabombaceae) in a former cattle pond on Sand Branch Loop Trail in Sam Houston National Forest near Richards. Texas, April 1, 2020
 Close up of a spikelet of Hindi grass (Diaz bluestem, Dichanthium annulatum) in a silty depression on roadside of a road to Zubara, area of Al Magdah farms. Northern Qatar, October 24, 2015
 Close up of a purple inflorescence of pan dropseed (Sporobolus ioclados) east from Al Jebail water treatment plant. Al Khor, Qatar, December 20, 2015
 Close up of twigs of Bienertia sinuspersici plant with fruits taken from a shore near Purple Island (Jazirat Bin Ghanim) in Al Khor. Qatar, November 14, 2015
 Close-up of tiny seed heads of umbellifer plants Tansy dogshade (Limnosciadium pinnatum, Apiaceae), collected from wet area behind sewage treatment plant in Lick Creek Park. College Station, Texas, July 29, 2023
 Shoot of aquatic plant parrot feather watermilfoil (Myriophyllum aquaticum) on a lake shore on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, April 17, 2021
 Aquatic plant parrot feather watermilfoil (Myriophyllum aquaticum) found on shore of a lake on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, April 17, 2021
 Blooming aquatic plant parrot feather watermilfoil (Myriophyllum aquaticum) on a lake shore on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, April 17, 2021
 Oaks and prairie near sewage treatment plant in Lick Creek Park. College Station, Texas, April 27, 2023
 Raccoon Run Trail near a sewage treatment plant in Lick Creek Park. College Station, Texas, April 5, 2021
 Close up of red interior with seeds of opened ripe fruit of Caper plant (Capparis spinosa) taken from area of Uwaynat Bin Husayn near Simaisma. Qatar, May 29, 2015
 Various flowers near Deer Run Trail behind sewage treatment plant in Lick Creek Park. College Station, Texas, April 27, 2023
 Blooming yucca in prairie near sewage treatment plant in Lick Creek Park. College Station, Texas, April 27, 2023
 Flowers near Deer Run Trail behind sewage treatment plant in Lick Creek Park. College Station, Texas, April 27, 2023
 Feathery leaves of aquatic plant parrot feather watermilfoil (Myriophyllum aquaticum) found on a lake shore on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, April 17, 2021
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