 Staggerweed (Stachys arvensis) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 2015
 Staggerweed (Stachys arvensis) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, March 14, 2015
 Plants 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) with flowers 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
 Staggerweed (Stachys arvensis) on a field on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 10, 2015
 Seedlings of staggerweed (Stachys arvensis) on a field on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 10, 2015
 Seedling of staggerweed (Stachys arvensis) on washed out gravel on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, December 18, 2015
 Seedling of staggerweed (Stachys arvensis) emerging from gravel wash on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, December 18, 2015
 Staggerweed (Stachys arvensis) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
 Paired leaves and pinkish tubular flowers of Staggerweed (Stachys arvensis) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 26, 2016
 Pinkish tubular flowers of Staggerweed (Stachys arvensis) 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
 Paired leaves and pinkish tubular flowers of Staggerweed (Stachys arvensis) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
 Various weeds on Green Circles (center-pivot irrigation) in Irkhaya Farms. Qatar, January 16, 2015
 Mixed weeds on a field on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, May 1, 2015
 Seedlings of weeds 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 Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, March 14, 2015
 Morning glory (bindweed, Convolvulus arvensis) on a field on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, May 1, 2015
 Yellow flowers of charlock mustard (Sinapis arvensis)(?) taken from Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, March 14, 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
 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
 Yellow flowers of charlock mustard (Sinapis arvensis)(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, March 14, 2015
 Water pipes on Green Circles (center-pivot irrigation) in Irkhaya Farms. Qatar, January 16, 2015
 Blooming Reichardia intermedia 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
 Argentine peppercress (Lepidium bonariense) 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 of Prickly Dock (Emex spinosa) 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
 Fruits of Argentine peppercress (Lepidium bonariense) 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
 Morning glory (bindweed, Convolvulus arvensis) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
 Flowers and seeds of Argentine peppercress (Lepidium bonariense) on Green Circles (center-pivot irrigation) in Irkhaya Farms. 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 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) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
 Blooming Morning glory (bindweed, Convolvulus arvensis) 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
 Flowers of field mustard (wild turnip, Brassica rapa) 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
 Smallflower mallow (Malva parviflora or may be nicaeensis) with flower buds 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
 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
 Pink flowers of Morning glory (bindweed, Convolvulus arvensis) 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
 Pink flower 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
 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
 Caterpillar eating 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
 Green algae mats in a pond of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 10, 2015
 Green algae mats on surface of a pond of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 10, 2015
 Waterwheels at sunrise on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, December 18, 2015
 Mat of Tribulus pentandrus(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, August 21, 2015
 Morning dew on grasses on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, August 21, 2015
 Spurge (Euphorbia prostrata) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, May 1, 2015
 Watering a field on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 10, 2015
 Water pipes on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, December 18, 2015
 Reichardia intermedia(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 2015
 Water pipes on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, November 13, 2015
 Water pipes on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, October 9, 2015
 Amaranthus hybridus(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, October 9, 2015
 Various pebbles washed out on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, November 13, 2015
 Green seeds of curly dock (Rumex crispus) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 2015
 Branch of Wormseed (Dysphania ambrosioides, Chenopodium ambrosioides) with seeds taken from Green Circles (center-pivot irrigation) in Irkhaya Farms. Qatar, January 16, 2015
 Fruits of Ochradenus aucheri taken from periphery of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, May 1, 2015
 Barley (Hordeum vulgare) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, March 14, 2015
 Bush of Ochradenus aucheri on periphery of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, May 1, 2015
 Spiderling (Boerhavia erecta) on a field on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, May 1, 2015
 Fruits of Leptadenia pyrotechnica taken from periphery of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, May 1, 2015
 Water sprinkles on a field on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 10, 2015
 Small brown grasshopper on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, October 9, 2015
 River pebbles washed out on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, November 13, 2015
 Multicolored pebbles washed out on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, November 13, 2015
 Flower bud of Reichardia intermedia(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 2015
 Reeds (Phragmites australis)(?) on a field on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 10, 2015
 Spanish Needle (Bidens pilosa) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, March 14, 2015
 Segments of pipes with water sprinkles on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, December 18, 2015
 Segments of pipes on wheels at sunrise on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, December 18, 2015
 Annual meadow grass (Poa annua)(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, March 14, 2015
 Black pigweed (Trianthema portulacastrum) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, August 21, 2015
 Segments of watering pipes at sunrise on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, December 18, 2015
 Rhodes grass (Chloris gayana) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, December 18, 2015
 Rabbitsfoot grass (Polypogon monspeliensis) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, March 14, 2015
 Rigid ryegrass (Lolium rigidum) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, March 14, 2015
 Curly dock (Rumex crispus) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, March 14, 2015
 Atriplex leucoclada subsp. turcomanica on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, August 21, 2015
 Clustered yellowtop (Flaveria trinervia) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, March 14, 2015
 Spikes of rabbitsfoot (Polypogon monspeliensis) on 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
 Flower heads of Reichardia intermedia(?) 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
 Blooming rapeseed (Brassica napus)(?) 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
 Shoots of spiderling (Boerhavia erecta) on a field on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, May 1, 2015
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