 Close up of slender amaranth (Amaranthus viridis)(?) on periphery of a small field of alfalfa in Harrarah settlement. Southern Qatar, October 30, 2015
 False amaranth (Digera muricata) on periphery of a small field of alfalfa in Harrarah settlement. Southern Qatar, October 30, 2015
 Flowers of false amaranth (Digera muricata) on periphery of a small field of alfalfa in Harrarah settlement. Southern Qatar, October 30, 2015
 Blooming false amaranth (Digera muricata) on periphery of a small field of alfalfa in Harrarah settlement. Southern Qatar, October 30, 2015
 Flower spike of false amaranth (Digera muricata) on periphery of a small field of alfalfa in Harrarah settlement. Southern Qatar, October 30, 2015
 Flowers and leaves of false amaranth (Digera muricata) on periphery of a small field of alfalfa in Harrarah settlement. Southern Qatar, October 30, 2015
 Some young plant on periphery of a small field of alfalfa in Harrarah settlement. Southern Qatar, October 30, 2015
 Leaves of some seedling on periphery of a small field of alfalfa in Harrarah settlement. Southern Qatar, October 30, 2015
 Slender amaranth (Amaranthus viridis) found under a palm in Onaiza area. Doha, Qatar, November 18, 2015
 Fruits of slender amaranth (Amaranthus viridis) found under a palm in Onaiza area. Doha, Qatar, November 18, 2015
 Slender amaranth (Amaranthus viridis)(?) on the median strip of Al Istiqlal Street in Onaiza area. Doha, Qatar, April 13, 2016
 Slender amaranth (Amaranthus viridis)(?) grown on the median strip of Al Istiqlal Street in Onaiza area. Doha, Qatar, April 13, 2016
 Flower spikes of Slender amaranth (Amaranthus viridis) taken from the median strip of Al Istiqlal Street in Onaiza area. Doha, Qatar, April 13, 2016
 Close up of flower spikes of Slender amaranth (Amaranthus viridis) taken from the median strip of Al Istiqlal Street in Onaiza area. Doha, Qatar, April 13, 2016
 Large plant of slender amaranth (Amaranthus viridis)(?) grown on the median strip of Al Istiqlal Street in Onaiza area. Doha, Qatar, April 13, 2016
 Foxtail amaranth (Amaranthus caudatus)(?) in Onaiza area. Doha, Qatar, March 10, 2015
 Field, or golden dodder (Cuscuta campestris) parasitizing on alfalfa in Trainah gardens. Southern Qatar, March 5, 2014
 Field dodder (Cuscuta campestris) with flowers parasitizing on alfalfa in Trainah gardens. Southern Qatar, March 5, 2014
 Small limestone arch in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Small limestone arch on a mountain slope in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 QNHG (Qatar Natural History Group) gathering in a tea hall in Trainah agricultural settlement. Southern Qatar, November 6, 2015
 Red amaranth (Amaranthus hybridus)(?) on Al Istiqlal Street in Onaiza area. Doha, Qatar, February 2, 2016
 Amaranth (Amaranthus hybridus)(?) on the median strip of Al Istiqlal Street in Onaiza area. Doha, Qatar, May 22, 2016
 Amaranth (Amaranthus hybridus)(?) on a median strip of Al Istiqlal Street in Onaiza area. Doha, Qatar, April 24, 2016
 Amaranth (Amaranthus hybridus)(?) on the median strip of Al Istiqlal Street in Onaiza area. Doha, Qatar, April 13, 2016
 Mediterranean amaranth (short-tepalled pigweed, Amaranthus graecizans) on sidewalk in Onaiza area. Doha, Qatar, March 24, 2016
 Close up of Mediterranean amaranth (short-tepalled pigweed, Amaranthus graecizans) taken from Onaiza area. Doha, Qatar, March 24, 2016
 Seedlings of red amaranth (Amaranthus hybridus)(?) on the median strip of Al Istiqlal Street in Onaiza area. Doha, Qatar, April 13, 2016
 Foxtail amaranth (Amaranthus caudatus, local name samghat reeh) on Al Sham Street in area of West Bay. Doha, Qatar, April 17, 2014
 Mediterranean amaranth (short-tepalled pigweed, Amaranthus graecizans) on dark background taken from Onaiza area. Doha, Qatar, March 24, 2016
 Mediterranean amaranth (short-tepalled pigweed, Amaranthus graecizans) taken from Al Intisar Street in Onaiza area. Doha, Qatar, February 23, 2016
 Foxtail amaranth (Amaranthus caudatus, local name samghat reeh) on Umm Wishad Street in Musheirib area. Doha, Qatar, March 14, 2014
 Small wadi near Harrarah in southern Qatar, February 14, 2014
 Back side of leaves of Mediterranean amaranth (short-tepalled pigweed, Amaranthus graecizans) taken from Onaiza area. Doha, Qatar, March 24, 2016
 Leaf of Mediterranean amaranth (short-tepalled pigweed, Amaranthus graecizans) taken from Al Intisar Street in Onaiza area. Doha, Qatar, February 23, 2016
 Amaranthus viridis (local names samghat reeh, khaisa, sendar) near Al Markhiya Street in West Bay. Doha, Qatar, May 7, 2014
 Amaranthus viridis (local names samghat reeh, khaisa, sendar) on Corniche promenade. Doha, Qatar, April 4, 2014
 Mediterranean amaranth (short-tepalled pigweed, Amaranthus graecizans) on white background taken from Al Intisar Street in Onaiza area. Doha, Qatar, February 23, 2016
 Large amaranth plant Amaranthus hybridus(?) on Zurara Bin Amir Street in Al Doha Al Jadeeda area. Doha, Qatar, March 21, 2014
 Small yellow flowers of Aaronsohnia factorovskyi or may be Tripleurospermum in sand near Harrarah in southern Qatar, February 14, 2014
 Limestone rocks in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Chalky cliff in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Limestone erosion in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Weathered mountain top in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Stony passage in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Limestone plateau in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Limestone cliff in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Limestone arch in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Weathered limestone cliffs in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Weathered limestone rocks in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 View from a mountain slope in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Broken limestone rocks in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Erosion of limestone rocks in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Overhanging limestone cliff in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 View of a runnel from a cliff in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Erosion of limestone slabs in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Sandy wadi from cliffs in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Erosion of soft limestone in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Limestone on a mountain slope in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Fleshy-Leaved Amaranth (Amaranthus greggii) on East Beach. Galveston, Texas, January 19, 2013
 Skeleton of a dry plant of Zygophyllum qatarense(?) in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Rough weathered limestone rocks in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Sedge (Cyperus conglomeratus) on roadside of a road to Harrarah. Southern Qatar, March 27, 2015
 Rough eroded limestone rocks in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Sandy runnel from a mountain slope in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Sandy path from a mountain slope in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Limestone shelters on a mountain slope in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Cracked limestone on a mountain slope in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Mushroom-shaped limestone cliff in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Acacia ehrenbergiana and Lycium in a wadi in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Amaranthus hybridus(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, October 9, 2015
 Black flint stones on a limestone plateau in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Carcass of dhub (spiny-tailed agama) in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Black flint stones on a mountain slope in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Some slender plant of aster(?) family taken from a periphery of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 22, 2016
 Some slender plant of aster(?) family on a periphery of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 22, 2016
 Brownish plant Cornulaca aucheri in windblown sand in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Branch of some slender plant of aster(?) family on a periphery of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 22, 2016
 Flowers of some slender plant of aster(?) family on a periphery of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 22, 2016
 Slender branches with small green flowers of Polycarpaea repens (Corrigiola repens) in sand near a road to Saudi Arabia in southern Qatar, February 11, 2014
 Alfalfa (Medicago sativa, local names jet, barseem) on roadside in southern Qatar, February 14, 2014
 Some slender plant of aster(?) family on dark background on a periphery of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 22, 2016
 Alfalfa (lucerne, Medicago sativa, local names jet, barseem) in Trainah in southern Qatar, February 14, 2014
 Wide angle view of some slender plant of aster(?) family on a periphery of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 22, 2016
 Alfalfa (lucerne, Medicago sativa, local names jet, barseem) in Trainah gardens. Southern Qatar, March 5, 2014
 Grassy field near Jaow Al Hamar depression south from Trainah. Southern Qatar, November 6, 2015
 Field of sandblasted rocks in area of Nakhsh Mountain near Salwa Road in southern Qatar, May 8, 2015
 Field of weathered rocks in area of Nakhsh Mountain near Salwa Road in southern Qatar, May 8, 2015
 Blooming alfalfa (lucerne, Medicago sativa, local names jet, barseem) in Trainah gardens. Southern Qatar, March 5, 2014
 Field of windblown sand at sunrise near Sealine Beach Resort near Mesaieed. Southern Qatar, December 11, 2015
 Field of camel bones near Salwa Road in area of Rawdat Ekdaim. Southern Qatar, April 11, 2015
 Slender twig of Tetraena qatarense (Zygophyllum qatarense) plant taken from a beach near Salwa Road in Abu Samra, near Saudi border. Southern Qatar, March 21, 2015
 Small purple tinged plant of Zygophyllum simplex (Tetraena simplex, local name Daa, harm, hureim) on limestone cliffs in Harrarah (Al Kharrarah). Southern Qatar, April 23, 2016
 Tetraena qatarense (Zygophyllum qatarense) plant submerged by sand in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Seedling of Heliotropium bacciferum(?) on roadside between Mesayeed and Harrarah. Qatar, October 30, 2015
 Desert plant of Corchorus depressus on roadside between Mesayeed and Harrarah. Qatar, October 30, 2015
 Eggplant (Solanum melongena) near a water tank on roadside between Mesayeed and Harrarah. Qatar, October 30, 2015
 Field road to Kaybolovskoe Gorodishche (old Estonian settlement). Kingisepp Region of Leningrad District, Russia, January 4, 2016
 Remains of an old settlement near Al Thugab Fort. North-west coast, Qatar, June 20, 2015
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