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Mats of Khaki Burr weed (Alternanthera pungens) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
Khaki Burr weed (Alternanthera pungens) growing among spurge on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
White flowers of Morning glory (bindweed, Convolvulus arvensis) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
Balloon cherry (cutleaf groundcherry, Physalis angulata) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
Radish (Raphanus sativus, local names ruweid, fijil) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
Brown butterflies on flowers of radish (Raphanus sativus, local names ruweid, fijil) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
Clouded Yellow butterfly (Colias croceus) sitting on flowers of radish (Raphanus sativus, local names ruweid, fijil) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
Clouded Yellow butterfly (Colias croceus) on a flower of radish (Raphanus sativus, local names ruweid, fijil) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
Paired leaves with bluntly toothed margins of Staggerweed (Stachys arvensis) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
Back lit rabbitsfoot grass (Polypogon monspeliensis) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, March 14, 2015
Back lit desert spurge (summer poinsettia, Euphorbia heterophylla) with fruits in dew on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, March 14, 2015
Cutleaf Heron s bill (Erodium laciniatum, Geranium laciniatum, local names qarnawah, ibrat al rahib) on the periphery of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, March 14, 2015
Close up of shoot of spiderling (Boerhavia erecta) near a pond on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 10, 2015
Sandy island in a pond outside of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, March 5, 2016
Group of birdwatchers from QNHG (Qatar Natural History Group) looking for a white owl near Green Circles (center-pivot irrigation) in Irkhaya Farms. South-western Qatar, March 29, 2014
South Rim, view from Fresno Circle campsite near Dodson Trail. Big Bend National Park, Texas, November 23, 2007
A streetcar on Saint Charles Avenue, view from Lee Circle. New Orleans, Louisiana, March 6, 2005.
Egyptian crowfoot grass (Dactyloctenium aegyptium) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
Silverleaf nightshade (Solanum elaeagnifolium) with flowers on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
Close up of flowers of silverleaf nightshade (Solanum elaeagnifolium) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
Flowers of bindweed Convolvulus prostratus(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
Fruits of balloon cherry (cutleaf groundcherry, Physalis angulata) taken from Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
Fruits of Spanish Needle (Bidens pilosa) taken from Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, March 14, 2015
Malva parviflora (local name khubaiza) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 2015
Ancient city of Firuzabad in south-western Iran built by Ardashir I (AD224-41), a founder of the Sasanian dynasty, on a fertile plane. Two huge double ramparts of clay form a perfect circle around the city, nearly 2 km in diameter. A modern city is behind it near a slope of Kuhe-Meimend Ridge. Rudhaneye-Hane-Begom River is in foreground. View from a window of a plane from Doha, Qatar to Houston, TX, March 16, 2010.
Aegean dock (Rumex dentatus, local names Khillah, hommad) on Green Circles (center-pivot irrigation) in Irkhaya Farms. South-western Qatar, March 29, 2014
Radish (Raphanus sativus, local names ruweid, fijil) on Green Circles (center-pivot irrigation) in Irkhaya Farms. South-western Qatar, March 29, 2014
View of Monument Circle from an office in AUL(?) Tower in downtown Indianapolis. Indiana, May 4, 1999.
Snow dunes in polar desert of Quttinirpaaq National Park on Ellesmere Island in Canadian territory, north of the Arctic Circle, near Van Hauen Pass. View from a window of a plane from Dubai, UAE to Houston, TX, April 28, 2011
Close up of Aegean dock (Rumex dentatus, local names Khillah, hommad) on Green Circles (center-pivot irrigation) in Irkhaya Farms. South-western Qatar, March 29, 2014
Seaside heliotrope (Heliotropium curassavicum, local name ramram) on Green Circles (center-pivot irrigation) in Irkhaya Farms. South-western Qatar, March 29, 2014
Mating domino beetles (Anthia duodecimguttata) under acacia tree in a small wadi near Green Circles (center-pivot irrigation) in Irkhaya Farms. South-western Qatar, March 29, 2014
Kleingrass (blue panicgrass, Panicum coloratum) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
Ripe fruits of balloon cherry (cutleaf groundcherry, Physalis angulata) taken from Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
Argentine peppercress (Lepidium bonariense) on a field on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 10, 2015
Alfalfa (lucerne, Medicago sativa, local names jet, barseem) on Green Circles (center-pivot irrigation) in Irkhaya Farms. South-western Qatar, March 29, 2014
Birch circle (Krug Belyh Berioz) in far end of Pavlovsk Park, south from Saint Petersburg, Russia, June 23, 2010
Malgorzata Sobanska (Poland) (7-th place) in Boston Marathon, at Cleveland Circle. Massachusetts, April 19, 2004
Fresno Circle campsite near Dodson Trail at evening. Big Bend National Park, Texas, November 23, 2007
Workers collecting fodder from Green Circles (center-pivot irrigation) in Irkhaya Farms. South-western Qatar, March 29, 2014
Close up of Spanish Needle (Bidens pilosa) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 2015
Leaf of Spanish Needle (Bidens pilosa) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 2015
Plant of Spanish Needle (Bidens pilosa) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 2015
Smooth sow thistle (Sonchus oleraceus) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 2015
Flowers of curly dock (Rumex crispus) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 2015
Flowers of dill (Anethum graveolens, local names ein jarada, shabat) on the periphery of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, March 14, 2015
Segments of pipes on wheels at sunrise on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, December 18, 2015
Flower of radish (Raphanus sativus, local names ruweid, fijil) on Green Circles (center-pivot irrigation) in Irkhaya Farms. South-western Qatar, March 29, 2014
Field mustard (wild turnip, Brassica rapa) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 2015
Flower of dill (Anethum graveolens, local names ein jarada, shabat) taken from Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, March 14, 2015
Krug Belykh Berioz (Circle of White Birches) in Pavlovsk Park. Sankt Petersburg, Russia, October 11, 2000
Jelena Prokopcuka (Latvia) (4-th place) and spectators in Boston Marathon, at Cleveland Circle. Massachusetts, April 19, 2004
Monument Circle. Indianapolis, December 1, 1999.
Close up of long spikelets of South African pigeon grass (African bristlegrass, Setaria sphacelata) on Green Circles (center-pivot irrigation) in Irkhaya Farms. Qatar, January 16, 2015
Fruits of smooth sow thistle (Sonchus oleraceus) on Green Circles (center-pivot irrigation) in Irkhaya Farms. Qatar, January 16, 2015
Branch of Wormseed (Dysphania ambrosioides, Chenopodium ambrosioides) with seeds taken from Green Circles (center-pivot irrigation) in Irkhaya Farms. Qatar, January 16, 2015
Staggerweed (Stachys arvensis) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 2015
Reichardia intermedia(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 2015
Scarlet pimpernel (Anagallis arvensis var. caerulea, local name ain al qit) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 2015
Stone circle around Lions Shrine near Yapashi in Bandelier National Monument. New Mexico, near Los Alamos, May 25, 2008
Jessica Rodriguez Galvan (Mexico) (11-th place) in Boston Marathon, at Cleveland Circle. Massachusetts, April 19, 2004
Approaching mass of rank and file runners in Boston Marathon, at Cleveland Circle, in warm day. Massachusetts, April 19, 2004
Yellow distaff-thistle (Atractylis carduus, local names jalwa, laymoony, shuwwaykh) in a small wadi near Green Circles (center-pivot irrigation) in Irkhaya Farms. South-western Qatar, March 29, 2014
Large flock of sparrows sitting on a bush near Green Circles (center-pivot irrigation) in Irkhaya Farms. South-western Qatar, March 29, 2014
Flowers and fruits of Spanish Needle (Bidens pilosa) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 2015
Flower heads of Reichardia intermedia(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 2015
A statue at Columbus Circle at south-west gate of Central Park. New York City, February 25, 2007
Algae in an irrigation pond near Green Circles (center-pivot irrigation) in Irkhaya Farms. South-western Qatar, March 29, 2014
Migratory bird Northern Wheatear (Oenanthe oenanthe) on dry twig near Green Circles (center-pivot irrigation) in Irkhaya Farms. South-western Qatar, March 29, 2014
Fleabane daisy like plant of aster family on Green Circles (center-pivot irrigation) in Irkhaya Farms. South-western Qatar, March 29, 2014
Long spikelets of South African pigeon grass (African bristlegrass, Setaria sphacelata) on Green Circles (center-pivot irrigation) in Irkhaya Farms. Qatar, January 16, 2015
April B. Coughlin (USA) on a wheelchair (7-th place) in Boston Marathon, at Cleveland Circle. Massachusetts, April 19, 2004
Lee Di Pietro (USA) and spectators in Boston Marathon, at Cleveland Circle. Massachusetts, April 19, 2004
Kevin P. Grasmick, Robert Juergens and Conrad F. Orloff (USA) in Boston Marathon, at Cleveland Circle. Massachusetts, April 19, 2004
Fruits of Argentine peppercress (Lepidium bonariense) on Green Circles (center-pivot irrigation) in Irkhaya Farms. Qatar, January 16, 2015
Students(?) enjoying official Patriot s Day holiday and watching Boston Marathon, at Cleveland Circle. Massachusetts, April 19, 2004
A group of runners in Boston Marathon, at Cleveland Circle, in warm day. Massachusetts, April 19, 2004
Olivera Jevtic (Serbia) (3-th place) and spectators in Boston Marathon, at Cleveland Circle. Massachusetts, April 19, 2004
Andrea Niggemeier (USA) (12-th place) and spectators in Boston Marathon, at Cleveland Circle. Massachusetts, April 19, 2004
Victoria Klimina (Russia) (8-th place) in Boston Marathon, at Cleveland Circle. Massachusetts, April 19, 2004
Iron door decorated by concentric circles at Sikkat Al Harith Bin Muslim near Mansoura Street, Najma area. Doha, Qatar, June 7, 2013
Mass of rank and file runners in Boston Marathon, at Cleveland Circle, in warm day. Massachusetts, April 19, 2004
A tele-operator monitoring Boston Marathon, at Cleveland Circle. Massachusetts, April 19, 2004
David Ford (USA) on a wheelchair in Boston Marathon, at Cleveland Circle. Massachusetts, April 19, 2004
Stephen Kiogora (Kenya) (4-th place) in Boston Marathon, at Cleveland Circle. Massachusetts, April 19, 2004
Mario Fattore (Italy) in Boston Marathon, at Cleveland Circle. Massachusetts, April 19, 2004
Paul Hammond (USA) and spectators in Boston Marathon, at Cleveland Circle. Massachusetts, April 19, 2004
Argentine peppercress (Lepidium bonariense)(?) on Green Circles (center-pivot irrigation) in Irkhaya Farms. South-western Qatar, March 29, 2014
London rocket (Sisymbrium irio) on Green Circles (center-pivot irrigation) in Irkhaya Farms. South-western Qatar, March 29, 2014
Flower of alfalfa (lucerne, Medicago sativa, local names jet, barseem) on Green Circles (center-pivot irrigation) in Irkhaya Farms. South-western Qatar, March 29, 2014
Migratory bird Northern Wheatear (Oenanthe oenanthe) perching on dry twig near Green Circles (center-pivot irrigation) in Irkhaya Farms. South-western Qatar, March 29, 2014
Sand pit trap of antlion larvae in a small wadi near Green Circles (center-pivot irrigation) in Irkhaya Farms. South-western Qatar, March 29, 2014
Arfaj (Rhanterium epapposum) in a small wadi near Green Circles (center-pivot irrigation) in Irkhaya Farms. South-western Qatar, March 29, 2014
African foxtail grass (buffelgrass, Cenchrus ciliaris) on the border of Green Circles (center-pivot irrigation) in Irkhaya Farms. South-western Qatar, March 29, 2014
Blooming arfaj (Rhanterium epapposum) in a small wadi near Green Circles (center-pivot irrigation) in Irkhaya Farms. South-western Qatar, March 29, 2014
Epazote (wormseed, Dysphania ambrosioides) on Green Circles (center-pivot irrigation) in Irkhaya Farms. South-western Qatar, March 29, 2014
Close up of Khaki Burr weed (Alternanthera pungens) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
Carpet of Khaki Burr weed (Alternanthera pungens) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
Atriplex leucoclada subsp. turcomanica(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
Blooming balloon cherry (cutleaf groundcherry, Physalis angulata) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
Fruit of balloon cherry (cutleaf groundcherry, Physalis angulata) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
Spider with a nest on some grass on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
Flower of balloon cherry (cutleaf groundcherry, Physalis angulata) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
Black pigweed (Trianthema portulacastrum) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
Prostrate plant of black pigweed (Trianthema portulacastrum) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
Prostrate plant of spiderling (Boerhavia erecta) with tiny flowers on roadside of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
Flowers of clustered yellowtop (Flaveria trinervia) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
Rhodes grass (Chloris gayana) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
Yellow dandelion like flowers of Launaea mucronata(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
Khaki Burr weed (Alternanthera pungens) carpeting the ground on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
Mat of spurge Euphorbia prostrata on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
rapeseed (Brassica napus)(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
Reichardia intermedia(?) growing among burr weed on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
Dandelion like flower of Reichardia intermedia(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
Hoverfly on a flower of Reichardia intermedia(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
Flowers of silverleaf nightshade (Solanum elaeagnifolium) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
Blooming silverleaf nightshade (Solanum elaeagnifolium) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
White horsenettle (Silverleaf nightshade, Solanum elaeagnifolium) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
Fruits of silverleaf nightshade (Solanum elaeagnifolium) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
Plants of silverleaf nightshade (Solanum elaeagnifolium) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
Blooming Reichardia intermedia(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
Dandelion like flower of Reichardia intermedia(?) growing among prostrate spurge on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
Close up of a flower of Reichardia intermedia(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
Khaki Burr weed (Alternanthera pungens) growing among prostrate spurge on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
Khaki Burr weed (Alternanthera pungens) and spurge Euphorbia prostrata on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
Pinkish leaves of spurge Euphorbia prostrata on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
Black pigweed (Trianthema portulacastrum) with a flower on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
Flower of black pigweed (Trianthema portulacastrum) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
Common purslane (wild portulaca, Portulaca oleracea, local names barbeer, rijla, bagla) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
Khaki Burr weed (Alternanthera pungens) growing on sandy road on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
Blooming black pigweed (Trianthema portulacastrum) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
Plant of Atriplex leucoclada subsp. turcomanica(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
Bindweed Convolvulus prostratus(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
Morning glory (bindweed, Convolvulus arvensis) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
Flower of Morning glory (bindweed, Convolvulus arvensis) eaten by insects on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
Pink flowers of Morning glory (bindweed, Convolvulus arvensis) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
Blooming Morning glory (bindweed, Convolvulus arvensis) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
Spikelet of some grass on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
Dodder Cuscuta pedicellata(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
Back lit flower of Tribulus pentandrus(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
Ripe fruits of balloon cherry (cutleaf groundcherry, Physalis angulata) taken from Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
Ripe fruits of black nightshade (Solanum nigrum) taken from Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
Black nightshade (Solanum nigrum) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
Fruit of balloon cherry (cutleaf groundcherry, Physalis angulata) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
Launaea nudicaulis (local names huwa ghazal, huwa ghanam)(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
Rhodes grass (Chloris gayana) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
Hairy crabgrass (Digitaria sanguinalis)(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
Close up of a caterpillar feeding on flowers of fleabane daisy (Erigeron bonariensis, Conyza bonariensis) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
Big grasshopper found on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
Close up of Khaki Burr weed (Alternanthera pungens) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
Flower of smooth sow thistle (Sonchus oleraceus) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
Close up of a flower of Morning glory (bindweed, Convolvulus arvensis) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
Pinkish tubular flowers of Staggerweed (Stachys arvensis) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
Clouded Yellow butterfly (Colias croceus) on flowers of radish (Raphanus sativus, local names ruweid, fijil) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
Bee like fly on flowers of radish (Raphanus sativus, local names ruweid, fijil) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
Back lit Clouded Yellow butterfly (Colias croceus) on flowers of radish (Raphanus sativus, local names ruweid, fijil) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
Silver Nailroot (Paronychia arabica) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
Desert species of morning glory (Convolvulus cephalopodus) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
Two flowers of Morning glory (bindweed, Convolvulus arvensis) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
Pink flower of Morning glory (bindweed, Convolvulus arvensis) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
Moth on a white flower of Morning glory (bindweed, Convolvulus arvensis) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
Plant of clustered yellowtop (Flaveria trinervia) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
Seeds of Argentine peppercress (Lepidium bonariense) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
Johnson grass (Sorghum halepense) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
Seeds of Johnson grass (Sorghum halepense) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
Argentine peppercress (Lepidium bonariense) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
Yellow garden spider (Argiope aurantia(?)) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
Brown grasshopper on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
Star shaped flowers of Leptadenia pyrotechnica on the border of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
Bush of Leptadenia pyrotechnica on the border of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
Blooming bush of Leptadenia pyrotechnica on the border of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
Flowers of Leptadenia pyrotechnica on the border of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
Smallflower mallow (Malva parviflora or may be nicaeensis) with flower buds on Green Circles (center-pivot irrigation) in Irkhaya Farms. Qatar, January 16, 2015
Flowers of Prickly Dock (Emex spinosa) on Green Circles (center-pivot irrigation) in Irkhaya Farms. Qatar, January 16, 2015
Female flowers of Prickly Dock (Emex spinosa) with three thorns on Green Circles (center-pivot irrigation) in Irkhaya Farms. Qatar, January 16, 2015
Argentine peppercress (Lepidium bonariense) on Green Circles (center-pivot irrigation) in Irkhaya Farms. Qatar, January 16, 2015
Water pipes on Green Circles (center-pivot irrigation) in Irkhaya Farms. Qatar, January 16, 2015
South African pigeon grass (African bristlegrass, Setaria sphacelata) with long spikelets near irrigation pipes on Green Circles in Irkhaya Farms. Qatar, January 16, 2015
Blooming Reichardia intermedia on Green Circles (center-pivot irrigation) in Irkhaya Farms. Qatar, January 16, 2015
Various weeds on Green Circles (center-pivot irrigation) in Irkhaya Farms. Qatar, January 16, 2015
Various weeds on Green Circles (center-pivot irrigation) in Irkhaya Farms, with staggerweed (Stachys arvensis) in foreground. Qatar, January 16, 2015
African bristlegrass (Setaria sphacelata) with long spikelets on Green Circles (center-pivot irrigation) in Irkhaya Farms. Qatar, January 16, 2015
Blooming South African pigeon grass (African bristlegrass, Setaria sphacelata) with long spikelets on Green Circles (center-pivot irrigation) in Irkhaya Farms. Qatar, January 16, 2015
Close up of a flower of Reichardia intermedia on Green Circles (center-pivot irrigation) in Irkhaya Farms. Qatar, January 16, 2015
Flowers of field mustard (wild turnip, Brassica rapa) on Green Circles (center-pivot irrigation) in Irkhaya Farms. Qatar, January 16, 2015
Leaves of smooth sow thistle (Sonchus oleraceus) on Green Circles (center-pivot irrigation) in Irkhaya Farms. Qatar, January 16, 2015
Flowers and seeds of Argentine peppercress (Lepidium bonariense) on Green Circles (center-pivot irrigation) in Irkhaya Farms. Qatar, January 16, 2015
Seeds of Argentine peppercress (Lepidium bonariense) on Green Circles (center-pivot irrigation) in Irkhaya Farms. Qatar, January 16, 2015
Pink flowers of smallflower mallow (Malva parviflora or may be nicaeensis) taken from Green Circles (center-pivot irrigation) in Irkhaya Farms. Qatar, January 16, 2015
Blooming rapeseed (Brassica napus)(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 2015
Bushy bindweed (Convolvulus prostratus) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 2015
Spanish Needle (Bidens pilosa) in wet area on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 2015
Fruits of Spanish Needle (Bidens pilosa) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 2015
Flower bud of Reichardia intermedia(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 2015
Dodder Cuscuta pedicellata(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 2015
Dodder Cuscuta pedicellata(?) spreading on a field on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 2015
Flowers of Dodder Cuscuta pedicellata(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 2015
Close up of flowers of dodder Cuscuta pedicellata(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 2015
Close up of fruits of dodder Cuscuta pedicellata(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 2015
Plant of Atriplex leucoclada subsp. turcomanica(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 2015

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