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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