 Flower and seeds of Field Marigold (Calendula arvensis) taken from roadside near Al Khor Hospital. Qatar, January 9, 2015
 Field Marigold (Calendula arvensis, local name hanwa) near Al Khor Hospital. Qatar, January 9, 2015
 Seeds with flowers of Field Marigold (Calendula arvensis, Calendula micrantha, local name hanwa) on roadside of a road to Zubara in Al Magdah farms area, in north-western Qatar, February 22, 2014
 Flowers and seeds of Field Marigold (Calendula arvensis, Calendula micrantha, local name hanwa) on roadside of a road to Zubara in Al Magdah farms area, in north-western Qatar, February 22, 2014
 Field Marigold (Calendula arvensis, Calendula micrantha, local name hanwa) on a roadside near Zubara. North-western Qatar, January 16, 2016
 Blooming Field Marigold (Calendula arvensis, Calendula micrantha, local name hanwa) on a roadside near Zubara. North-western Qatar, January 16, 2016
 Plant of Field Marigold (Calendula arvensis, Calendula micrantha, local name hanwa) on a roadside near Zubara. North-western Qatar, January 16, 2016
 Flowers of Field Marigold (Calendula arvensis, Calendula micrantha, local name hanwa) on a roadside near Zubara. North-western Qatar, January 16, 2016
 Field Marigold (Calendula arvensis, Calendula micrantha, local name hanwa) on roadside of a road to Zubara in area of Al Magdah farms. Northern Qatar, January 29, 2016
 Plant of field Marigold (Calendula arvensis, Calendula micrantha, local name hanwa) on roadside of a road to Zubara in area of Al Magdah farms. Northern Qatar, January 29, 2016
 Flowers of field Marigold (Calendula arvensis, Calendula micrantha, local name hanwa) on roadside of a road to Zubara in area of Al Magdah farms. Northern Qatar, January 29, 2016
 Field Marigold (Calendula arvensis, local name hanwa) on roadside of a road from Dukhan to Al Jumayliyah. Western Qatar, January 30, 2015
 Flowers of Field Marigold (Calendula arvensis, Calendula micrantha, local name hanwa) on roadside of a road to Zubara in Al Magdah farms area, in north-western Qatar, February 22, 2014
 Field Marigold (Calendula arvensis, Calendula micrantha, local name hanwa) growing in a silty depression on roadside of a road to Zubara in Al Magdah farms area, in north-western Qatar, February 22, 2014
 Seedlings of Egyptian Fig-marigold (slenderleaf ice plant, Mesembryanthemum nodiflorum) near Al Khor Hospital. Qatar, January 30, 2015
 Seedling of Egyptian Fig-marigold (slenderleaf ice plant, Mesembryanthemum nodiflorum)(?) near Al Khor Hospital. Qatar, January 9, 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
 Seeds of pink tamarisk (Tamarix aucheriana) near Al Khor Hospital. Qatar, February 14, 2015
 Seeds and flowers of pink tamarisk (Tamarix aucheriana) near Al Khor Hospital. Qatar, February 14, 2015
 Seeds on dark background of pink tamarisk (Tamarix aucheriana) taken from swampy area behind 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
 Seedlings of Egyptian Fig-marigold (slenderleaf ice plant, Mesembryanthemum nodiflorum) near Al Khor Hospital. Qatar, December 13, 2014
 Close up of a seedling of Egyptian Fig-marigold (slenderleaf ice plant, Mesembryanthemum nodiflorum) near Al Khor Hospital. Qatar, December 13, 2014
 Smooth sow thistle (Sonchus oleraceus) near Al Khor Hospital. Qatar, January 9, 2015
 Spergula fallax (local name degaygah) near Al Khor Hospital. Qatar, January 30, 2015
 Blooming tamarisk (Tamarix aphylla) north from Al Khor Hospital. Qatar, January 30, 2015
 Inflorescence of tamarisk (Tamarix aucheriana) taken from area 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
 Pink flowers of tamarisk (Tamarix aucheriana) north from Al Khor Hospital. Qatar, January 30, 2015
 Flowers of tamarisk (Tamarix aucheriana) taken from area north from Al Khor Hospital. Qatar, January 30, 2015
 Close up of tamarisk flowers (Tamarix aphylla) 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
 Blooming marsh fleabane (Pluchea dioscoridis) taken from area north from Al Khor Hospital. Qatar, January 30, 2015
 Fluffy flowers of marsh fleabane (Pluchea dioscoridis) taken from area north from Al Khor Hospital. Qatar, January 30, 2015
 False sowthistle (Reichardia tingitana, local name Hawzan or mureer, Hawdhan) near Al Khor Hospital. Qatar, January 9, 2015
 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
 Seedling of Zygophyllum simplex (Tetraena simplex)(?) near Al Khor Hospital. Qatar, January 9, 2015
 Young plant of Zygophyllum simplex (Tetraena simplex) near Al Khor Hospital. Qatar, January 9, 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
 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
 Dry plant of Arnebia(?) near Al Khor Hospital. Qatar, February 6, 2015
 Reseda muricata near Al Khor Hospital. Qatar, February 6, 2015
 Accumulation of dry seeds of Medicago laciniata on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, January 9, 2015
 Seablite (Suaeda vermiculata) near Al Khor Hospital. Qatar, March 7, 2015
 Reseda muricata (local name showla) near Al Khor Hospital. Qatar, March 7, 2015
 Pink tamarisk (Tamarix aucheriana) near Al Khor Hospital. Qatar, February 14, 2015
 Blooming seablite (Suaeda vermiculata) near Al Khor Hospital. Qatar, April 24, 2015
 Seablite (Suaeda vermiculata) with fruits near Al Khor Hospital. Qatar, February 6, 2015
 Salsola vermiculata (local name hamd) near Al Khor Hospital. Qatar, April 24, 2015
 Field scabious (Knautia arvensis) on a field near Oredezh River near Kezevo. Siverskaya south from Saint Petersburg, Russia, July 20, 2015
 Herniaria hemistemon (local name Ghebayra) with fruits near Al Khor Hospital. Qatar, April 24, 2015
 Blooming plant of seablite (Suaeda vermiculata) near Al Khor Hospital. Qatar, April 24, 2015
 Large bush of seablite (Suaeda vermiculata) near Al Khor Hospital. Qatar, February 6, 2015
 Flower spikes of Reseda muricata taken from area near Al Khor Hospital. Qatar, March 7, 2015
 Female flowers of seablite (Suaeda vermiculata) near Al Khor Hospital. Qatar, April 24, 2015
 Twig of seablite (Suaeda vermiculata) with fruits near Al Khor Hospital. Qatar, February 6, 2015
 Close up of a twig of seablite (Suaeda vermiculata) with fruits near Al Khor Hospital. Qatar, February 6, 2015
 Rabbit-foot grass (Polypogon monspeliensis) taken from area near Al Khor Hospital. Qatar, February 14, 2015
 Male flower and female flowers of seablite (Suaeda vermiculata) near Al Khor Hospital. Qatar, April 24, 2015
 Slim terminal spikes of lineleaf whitepuff (Oligomeris linifolia) taken from area near Al Khor Hospital. Qatar, February 14, 2015
 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
 Staggerweed (Stachys arvensis) with flowers on a field on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, May 1, 2015
 Plants of staggerweed (Stachys arvensis) on a field on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, May 1, 2015
 Carpet of staggerweed (Stachys arvensis) on a field on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, May 1, 2015
 Blooming staggerweed (Stachys arvensis) on a field on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, May 1, 2015
 Staggerweed (Stachys arvensis) on a field on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 10, 2015
 Tetraena qatarense (Zygophyllum qatarense) plant near Al Khor Hospital. Qatar, April 24, 2015
 Close up of Tetraena qatarense (Zygophyllum qatarense) plant near Al Khor Hospital. Qatar, April 24, 2015
 Seedlings of staggerweed (Stachys arvensis) on a field on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 10, 2015
 Charlock mustard (Sinapis arvensis) on a field on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 10, 2015
 Morning glory (bindweed, Convolvulus arvensis) on a field on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, May 1, 2015
 Flowers of charlock mustard (Sinapis arvensis) on a field on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 10, 2015
 Morning glory (bindweed, Convolvulus arvensis) on a field on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 10, 2015
 Blooming parasitic plant Cistanche tubulosa (desert hyacinth, dhanoon, Tartuth) with a host plant Tetraena near Al Khor Hospital. Qatar, February 6, 2015
 Field of rabbit-foot grass (Polypogon monspeliensis) in a roadside depression east from Al Jebail water treatment plant. Al Khor, Qatar, March 19, 2016
 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
 Green seeds of mangrove on littoral of Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, August 29, 2015
 Tomb field in Al Khor Cemetery. North from Al Khor, Qatar, February 6, 2016
 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
 Seeds of mangrove (Avicennia marina) washed out on a shore of Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, August 29, 2015
 Seeds of mangrove with sea grass and crabs washed out on a shore of Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, August 29, 2015
 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
 Astragalus tribuloides near Al Khor Hospital. Qatar, December 13, 2014
 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
 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
 Germinating seeds of mangrove (Avicennia marina) with sea grass washed out on a shore of Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, August 29, 2015
 Mallow seedlings (Malva parviflora)(?) near Al Khor Hospital. Qatar, December 13, 2014
 Bush of seablite (Suaeda vermiculata) near Al Khor Hospital. Qatar, December 13, 2014
 Seedling of Senna italica (Cassia) near Al Khor Hospital. Qatar, December 13, 2014
 Seedling of seablite (Suaeda vermiculata) near Al Khor Hospital. Qatar, December 13, 2014
 Field restharrow (Ononis arvensis, Russian name Stalnik) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 22, 2015
 Field restharrow (Ononis arvensis, Russian name Stal nik) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 16, 2015
 Australian pine (she-oak, Casuarina equisetifolia) on roadside between Al Khor and Ras Luffan. Qatar, February 6, 2015
 Blooming black nightshade (Solanum nigrum) near Al Khor Hospital. Qatar, December 13, 2014
 Young shoot of seablite (Suaeda vermiculata) near Al Khor Hospital. Qatar, December 13, 2014
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