 Dried caked mud on the bottom 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 Abu Nakhla jail ponds (sewage lagoons), with caked mud at the bottom. Qatar, April 18, 2015
 Dried caked mud covering the bottom of 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
 Grass Sporobolus spicatus growing on dried bottom 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
 Old plywood mosque near Abu Nakhla jail ponds (sewage lagoons). Qatar, April 18, 2015
 Shrinking water reservoir of 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
 Drying Abu Nakhla jail ponds (sewage lagoons), April 18, 2015
 Widgeon Grass (Ruppia maritima) with flowers in 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
 Blue dome and traces of a chandelier in a plywood mosque near 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
 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
 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
 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 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
 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
 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
 Beaked tasselweed (widgeongrass, Ruppia maritima) taken from Abu Nakhla wastewater treatment ponds. Doha, Qatar, February 27, 2015
 Remains of a car near Abu Nakhla lagoons. South from Doha, Qatar, May 27, 2016
 Clump of 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
 Narrow leaves of beaked tasselweed (widgeongrass, Ruppia maritima) taken 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
 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) submerged in 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
 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
 Mihrab (semicircular prayer niche) in qibla wall inside old plywood mosque near 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
 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
 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
 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
 Female broad scarlet dragonfly (Crocothemis erythraea) holding its abdomen up (obelisk position) near Abu Nakhla wastewater treatment ponds. Doha, Qatar, March 29, 2014
 Southern cattail (Typha domingensis) in area of sewage ponds near Irkhaya (Irkaya) Farms. Qatar, June 3, 2016
 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
 Flowering spikes of Southern cattail (Typha domingensis) in area of sewage ponds near Irkhaya (Irkaya) Farms. Qatar, June 3, 2016
 Solitary plant of European seaheath (Frankenia pulverulenta) 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
 Caked mud in a depression on roadside of a road to Zubara, area of Al Magdah farms. Northern Qatar, November 7, 2015
 Texture of caked mud in a depression on roadside of a road to Zubara, area of Al Magdah farms. Northern Qatar, November 7, 2015
 Caked earth of dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 6, 2011
 Cracks of caked earth mud of dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 6, 2011
 Caked mud on dried bottom of the lake near Birch Creek Unit of Somerville Lake State Park. Texas, October 12, 2022
 Althaea ludwigii (local name khatma) in caked mud in a depression on roadside of a road to Zubara, area of Al Magdah farms. Northern Qatar, November 7, 2015
 Wild jute (Corchorus trilocularis) growing in caked mud in a silty depression on roadside of a road to Zubara, area of Al Magdah farms. Northern Qatar, October 24, 2015
 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 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
 Seedling of Salsola vermiculata (local name hamd) taken from area of ponds near the entrance of Irkhaya (Irkaya) Farms. Qatar, November 13, 2015
 Dried cranberry in spice section in Souq Waqif (Old Market). Doha, Qatar, September 11, 2015
 Dried mulberry in spice section in Souq Waqif (Old Market). Doha, Qatar, September 11, 2015
 Halba (dried fenugreek, India) in spice section in Souq Waqif (Old Market). Doha, Qatar, September 11, 2015
 Caked mud on roadside of Dukhan Highway west from Khawzan. Qatar, June 24, 2016
 Dried dill seeds (Suva, Anethum graveolens) in spice section in Souq Waqif (Old Market). Doha, Qatar, September 11, 2015
 Half dried brownish plant of Suaeda aegyptiaca on a beach in the area of Al Hamala (Al Hamlah) Water Well near Umm Bab. South-western Qatar, September 11, 2015
 Ponds of Catherine Park. Pushkin (former Tsarskoe Selo) near Saint Petersburg, Russia, September 20, 2015
 Caked mud in a silty depression near Al Numan (Naim tribe, Nuaman, Nuaimiya). Northern Qatar, February 27, 2016
 Dried rose buds in Souq Waqif (Old Market). Doha, Qatar, April 24, 2013
 Remains of dried fruits of a parasitic plant Desert Thumb (Cynomorium coccineum) in Maszhabiya (Al Mashabiya) Reserve near Abu Samra. Southern Qatar, October 23, 2015
 Peeling dried clay on roadside of Salwa Road, south-west from Doha. Qatar, April 23, 2014
 Dried rose petals(?) in spice section of Souq Waqif (Old Market). Doha, Qatar, April 24, 2013
 Ponds near Podkaprizovaya Road in Catherine Park. Pushkin (former Tsarskoe Selo), south from Saint Petersburg, Russia, September 24, 2015
 Area of Ozerki Ponds in Alexander Park. Pushkin (former Tsarskoe Selo), south from Saint Petersburg, Russia, September 24, 2015
 Dried poop of snakes(?) for sale in spice section of Souq Waqif (Old Market). Doha, Qatar, April 5, 2013
 Seedlings of pepper-grass (Lepidium aucheri) growing on caked mud near a road to Zubara in area of Al Magdah farms. Northern Qatar, February 13, 2016
 Blooming seedling of pepper-grass (Lepidium aucheri) in caked mud near a road to Zubara in area of Al Magdah farms. Northern Qatar, February 13, 2016
 Creaking Summer House and Upper Ponds in Catherine Park. Pushkin (former Tsarskoe Selo), south from Saint Petersburg, Russia, September 24, 2015
 Young plants of pepper-grass (Lepidium aucheri) growing on caked mud near a road to Zubara in area of Al Magdah farms. Northern Qatar, February 13, 2016
 Plants of pepper-grass (Lepidium aucheri) on caked mud in a silty depression near a road to Zubara, area of Al Magdah farms. Northern Qatar, February 27, 2016
 Ponds near Sadovaya Street in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, May 18, 2015
 Young plants of pepper-grass (Lepidium aucheri) on caked mud in a silty depression near a road to Zubara, area of Al Magdah farms. Northern Qatar, February 27, 2016
 Poperechnaya Alley near ponds in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, September 26, 2015
 Vokzal Ponds near Molodogo Zhenikha Alley of Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, May 18, 2015
 Ant s eggs under a stone near Abu Nakhlah ponds. Southern Qatar, March 5, 2014
 Reeds (Phragmites australis) in Abu Nakhlah ponds. Southern Qatar, March 5, 2014
 Saltcedar (Tamarix nilotica or may be T. aphylla) near Abu Nakhlah ponds. Southern Qatar, March 5, 2014
 Old Walker County Jail. Huntsville, Texas, June 29, 2008
 Hammond House, a former courthouse and jail, at 604 Elm Street. Calvert, Texas, May 28, 2007
 Grasses over sewage line right of way in Lick Creek Park. College Station, Texas, April 21, 2023
 Overgrown sewage line right of way in Lick Creek Park. College Station, Texas, April 21, 2023
 Hammond House, a former courthouse and jail, at 604 Elm Street. Calvert, Texas, December 25, 2009
 Hammond House, a former courthouse and jail, at 604 Elm Street. Calvert, Texas, January 27, 2013
 Caked mud of a river near Somerville Lake in Big Creek Park. Texas, August 13, 2011
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