 Tamarisk (Tamarix aucheriana) in a roadside depression east from Al Jebail water treatment plant. Al Khor, Qatar, January 23, 2016
 Tamarisk (Tamarix aphylla) in a roadside depression east from Al Jebail water treatment plant. Al Khor, Qatar, January 23, 2016
 Pink flowers of tamarisk (Tamarix aucheriana) north from Al Khor Hospital. Qatar, January 30, 2015
 Seeds and flowers of pink tamarisk (Tamarix aucheriana) near Al Khor Hospital. Qatar, February 14, 2015
 Seeds and flowers of pink tamarisk (Tamarix aucheriana) on dark background taken from swampy area behind Al Khor Hospital. Qatar, February 14, 2015
 Pink tamarisk (Tamarix aucheriana) near Al Khor Hospital. Qatar, February 14, 2015
 Seeds of pink tamarisk (Tamarix aucheriana) near Al Khor Hospital. Qatar, February 14, 2015
 Flowers of desert thorn (Lycium shawii, local name Awsaj) east from Al Jebail water treatment plant. Al Khor, Qatar, December 20, 2015
 Seeds on dark background of pink tamarisk (Tamarix aucheriana) taken from swampy area behind Al Khor Hospital. Qatar, February 14, 2015
 Flowers of tamarisk (Tamarix aucheriana) taken from area north from Al Khor Hospital. Qatar, January 30, 2015
 Twig of tamarisk (Tamarix aucheriana) with flowers taken from area north from Al Khor Hospital. Qatar, January 30, 2015
 Inflorescence of pan dropseed (Sporobolus ioclados) east from Al Jebail water treatment plant. Al Khor, Qatar, December 20, 2015
 Sedge (Cyperus conglomeratus) in a roadside depression east from Al Jebail water treatment plant. Al Khor, Qatar, December 20, 2015
 Purple inflorescence of pan dropseed (Sporobolus ioclados) east from Al Jebail water treatment plant. Al Khor, Qatar, December 20, 2015
 Tussock forming grass pan dropseed (Sporobolus ioclados) east from Al Jebail water treatment plant. Al Khor, Qatar, December 20, 2015
 Green and white panicle of pan dropseed (Sporobolus ioclados) east from Al Jebail water treatment plant. Al Khor, Qatar, December 20, 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
 Tussock of grass pan dropseed (Sporobolus ioclados) in a roadside depression east from Al Jebail water treatment plant. Al Khor, Qatar, December 20, 2015
 Dry seeds of Medicago laciniata carpeting the ground of a roadside depression east from Al Jebail water treatment plant. Al Khor, Qatar, December 20, 2015
 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
 Inflorescence of tamarisk (Tamarix aucheriana) taken from area north from Al Khor Hospital. Qatar, January 30, 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
 Sand Spurry (Spergularia diandra?) with flowers on a roadside east from Al Jebail water treatment plant. Al Khor, Qatar, January 23, 2016
 Flowers of Spergula fallax (local name degaygah) in a roadside depression east from Al Jebail water treatment plant. Al Khor, Qatar, January 23, 2016
 Sand Spurry (Spergularia diandra?) with flowers and black seeds on a roadside east from Al Jebail water treatment plant. Al Khor, Qatar, January 23, 2016
 Yellow fall foliage of mesquite (Prosopis juliflora, Prosopis chilensis, ironwood, local names meskeet, ghweif, al ghaf) east from Al Jebail water treatment plant. Al Khor, Qatar, December 20, 2015
 Plant of Pulicaria undulata with decumbent branches in a roadside depression east from Al Jebail water treatment plant. Al Khor, Qatar, January 23, 2016
 Vegetation in a roadside depression east from Al Jebail water treatment plant. Al Khor, Qatar, March 19, 2016
 Atriplex leucoclada in a roadside depression east from Al Jebail water treatment plant. Al Khor, Qatar, January 23, 2016
 Malabar sprangletop (brown beetle-grass, Leptochloa fusca) in shallow water in a roadside depression east from Al Jebail water treatment plant. Al Khor, Qatar, January 23, 2016
 Seedling of Egyptian Fig-marigold (slenderleaf ice plant, Mesembryanthemum nodiflorum, local name Ghasoul) on a roadside east from Al Jebail water treatment plant. Al Khor, Qatar, January 23, 2016
 Carpet of blooming Egyptian Fig-marigold (slenderleaf ice plant, Mesembryanthemum nodiflorum) in a roadside depression east from Al Jebail water treatment plant. Al Khor, Qatar, March 19, 2016
 Seablite (Suaeda vermiculata) in a roadside depression east from Al Jebail water treatment plant. Al Khor, Qatar, March 19, 2016
 Spergula fallax (local name degaygah) in a roadside depression east from Al Jebail water treatment plant. Al Khor, Qatar, January 23, 2016
 Pan dropseed grass (Sporobolus ioclados) in a roadside depression east from Al Jebail water treatment plant. Al Khor, Qatar, March 19, 2016
 Flowers of Sand Spurry (Spergularia diandra, Arenaria diandra, Spergula diandra, local name degaygah) in a roadside depression east from Al Jebail water treatment plant. Al Khor, Qatar, January 23, 2016
 Carpet of European seaheath (Frankenia pulverulenta) in a roadside depression east from Al Jebail water treatment plant. Al Khor, Qatar, March 19, 2016
 Blooming Bladder dock (Rumex vesicarius, local name Hummeid) on a roadside east from Al Jebail water treatment plant. Al Khor, Qatar, January 23, 2016
 Field of rabbit-foot grass (Polypogon monspeliensis) in a roadside depression east from Al Jebail water treatment plant. Al Khor, Qatar, March 19, 2016
 Seed head of smooth sow thistle (Sonchus oleraceus) in a roadside depression east from Al Jebail water treatment plant. Al Khor, Qatar, January 23, 2016
 Sand Spurry (Spergularia diandra, Arenaria diandra, Spergula diandra, local name degaygah) with flowers on white background in a roadside depression east from Al Jebail water treatment plant. Al Khor, Qatar, January 23, 2016
 Flowers of tamarisk (Tamarix aucheriana) on roadside of Salwa Road near Abu Samra. Southern Qatar, March 4, 2016
 Aizoon hispanicum (Aizoanthemum hispanicum, local name jafna) on a roadside east from Al Jebail water treatment plant. Al Khor, Qatar, January 23, 2016
 Spikelet of Malabar sprangletop (brown beetle-grass, Leptochloa fusca) in wet place in a roadside depression east from Al Jebail water treatment plant. Al Khor, Qatar, January 23, 2016
 Flower of Aizoon hispanicum (Aizoanthemum hispanicum, local name jafna) on a roadside east from Al Jebail water treatment plant. Al Khor, Qatar, January 23, 2016
 Close up of tamarisk flowers (Tamarix aphylla) taken from area north from Al Khor Hospital. Qatar, January 30, 2015
 Sand Spurry (Spergularia diandra, Arenaria diandra, Spergula diandra, local name degaygah) in a roadside depression east from Al Jebail water treatment plant. Al Khor, Qatar, January 23, 2016
 Sand Spurry (Spergularia diandra, Arenaria diandra, Spergula diandra, local name degaygah) with a flower in a roadside depression east from Al Jebail water treatment plant. Al Khor, Qatar, January 23, 2016
 Sand Spurry (Spergularia diandra, Arenaria diandra, Spergula diandra, local name degaygah) on white background in a roadside depression east from Al Jebail water treatment plant. Al Khor, Qatar, January 23, 2016
 Fruits of tamarisk (Tamarix aucheriana) on roadside of Salwa Road near Abu Samra. Southern Qatar, March 4, 2016
 Blooming tamarisk (Tamarix aphylla) north from Al Khor Hospital. Qatar, January 30, 2015
 Inflorescence tamarisk (Tamarix aphylla) taken from area north from Al Khor Hospital. Qatar, January 30, 2015
 Blooming tamarisk (Tamarix aphylla) near a fence of Sealine Beach Resort near Mesaieed. Southern Qatar, December 11, 2015
 Fruits of tamarisk (Tamarix aphylla) near a fence of Sealine Beach Resort near Mesaieed. Southern Qatar, December 11, 2015
 Big flowers of tamarisk (Tamarix passerinoides) at entrance of Umm Bab in south-western Qatar, February 21, 2014
 White flowers of water morning glory (water spinach, water convolvulus, Ipomoea aquatica) on northern corner of Umm Enaig Housing Community near a hospital (Jeri Al Ramli). Al Khor, Qatar, November 14, 2015
 Two white flowers of water morning glory (water spinach, water convolvulus, Ipomoea aquatica) on northern corner of Umm Enaig Housing Community near a hospital (Jeri Al Ramli). Al Khor, Qatar, November 14, 2015
 Three white flowers of water morning glory (water spinach, water convolvulus, Ipomoea aquatica) on northern corner of Umm Enaig Housing Community near a hospital (Jeri Al Ramli). Al Khor, Qatar, November 14, 2015
 White flowers of water morning glory (water spinach, water convolvulus, Ipomoea aquatica) near a water leakage site near sand processing plant near Irkhaya (Irkaya) Farms. Qatar, November 13, 2015
 Masses of white flowers of water morning glory (water spinach, water convolvulus, Ipomoea aquatica) on northern corner of Umm Enaig Housing Community near a hospital (Jeri Al Ramli). Al Khor, Qatar, November 14, 2015
 Large white flowers of water morning glory (water spinach, water convolvulus, Ipomoea aquatica) on northern corner of Umm Enaig Housing Community near a hospital (Jeri Al Ramli). Al Khor, Qatar, November 14, 2015
 Tamarisk (Tamarix) tree in a park of Qatar University. Doha, Qatar, April 25, 2016
 Blooming tamarisk (Tamarix passerinoides) at entrance of Umm Bab in south-western Qatar, February 21, 2014
 Blooming twig of tamarisk (Tamarix passerinoides) at entrance of Umm Bab in south-western Qatar, February 21, 2014
 Tamarisk tree (Tamarix) in sand south from Sealine Beach Resort near Mesaieed. Southern Qatar, May 27, 2016
 Salt tolerant plant of seablite (Suaeda vermiculata) near a small water channel on roadside between Al Khor and Ras Luffan. Qatar, February 6, 2015
 Habitat of water morning glory (water spinach, water convolvulus, Ipomoea aquatica) on northern corner of Housing Community near a hospital. Al Khor, Qatar, November 14, 2015
 Water morning glory (water spinach, water convolvulus, Ipomoea aquatica) near a water leakage site near sand processing plant near Irkhaya (Irkaya) Farms. Qatar, November 13, 2015
 Blooming water morning glory (water spinach, water convolvulus, Ipomoea aquatica) on northern corner of Umm Enaig Housing Community near a hospital (Jeri Al Ramli). Al Khor, Qatar, November 14, 2015
 Close up of a white flower of water morning glory (water spinach, water convolvulus, Ipomoea aquatica) on northern corner of Umm Enaig Housing Community near a hospital (Jeri Al Ramli). Al Khor, Qatar, November 14, 2015
 Several mangrove trees in shallow water near northern cliffs of Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, December 20, 2015
 Seedling of a dicotyledon plant narrowleaf marsh elder (Iva angustifolia) near a water treatment plant in Lick Creek Park. College Station, Texas, February 13, 2024
 Plant of Pulicaria guestii with flowers in roadside depression near a road from Al Shahaniya to Al Samriya north-east from camel race track. Lekhraib, Qatar, December 4, 2015
 Mangrove tree (Avicennia marina) in shallow water near northern cliffs of Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, December 20, 2015
 Plant of Pulicaria guestii with yellow flowers in roadside depression near a road from Al Shahaniya to Al Samriya north-east from camel race track. Lekhraib, Qatar, December 4, 2015
 Plant of Pulicaria guestii with flowers, view from above, in roadside depression near a road from Al Shahaniya to Al Samriya north-east from camel race track. Lekhraib, Qatar, December 4, 2015
 Mangrove tree skeletons (Avicennia marina) in shallow water near northern cliffs of Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, December 20, 2015
 Group of mangrove trees (Avicennia marina) in shallow water near northern cliffs of Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, December 20, 2015
 Seedlings of a dicotyledon plant narrowleaf marsh elder (Iva angustifolia) on Raccoon Run Trail west from a water treatment plant in Lick Creek Park. College Station, Texas, February 19, 2024
 Seedlings of a dicotyledon plant narrowleaf marsh elder (Iva angustifolia) on Raccoon Run Trail west from a water treatment plant in Lick Creek Park. College Station, Texas, February 5, 2024
 Chloroplasts in a leaf of a seedling of a dicotyledon plant narrowleaf marsh elder (Iva angustifolia) west from a water treatment plant, collected in Lick Creek Park. College Station, Texas, January 29, 2024
 Cluster 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 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
 Chloroplasts (at low magnification) in a leaf of a seedling of a dicotyledon plant narrowleaf marsh elder (Iva angustifolia) west from a water treatment plant, collected in Lick Creek Park. College Station, Texas, January 29, 2024
 Stomata in epidermis of a leaf of a seedling of a dicotyledon plant narrowleaf marsh elder (Iva angustifolia) west from a water treatment plant, collected in Lick Creek Park. College Station, Texas, January 29, 2024
 Tight accumulations 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
 Compact cluster 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
 Seedling of a dicotyledon plant narrowleaf marsh elder (Iva angustifolia) collected and deposited by rainwater on Raccoon Run Trail west from a water treatment plant in Lick Creek Park. College Station, Texas, January 18, 2024
 Pink young plant of Bienertia cycloptera with small fruits of flowers taken from roadside of Salwa Road in Abu Samra, near Saudi border. Southern Qatar, March 21, 2015
 Young plant of Egyptian Fig-marigold (slenderleaf ice plant, Mesembryanthemum nodiflorum) near Al Khor Hospital. Qatar, January 9, 2015
 Close up of young plant of Egyptian Fig-marigold (slenderleaf ice plant, Mesembryanthemum nodiflorum) near Al Khor Hospital. Qatar, January 9, 2015
 Sewage line right of way near water treatment plant in fog in Lick Creek Park. College Station, Texas, August 16, 2008
 Sewage line right of way near a water treatment plant in fog in Lick Creek Park. College Station, Texas, November 5, 2007
 Sunrise over mangrove forest, view to the east from a hill on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, December 20, 2015
 Fall foliage of coastal halophyte Al Kheriza beach plant (Halopeplis perfoliata, khurreyz, string of beads) on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, December 20, 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
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