 Fruits of rapeseed (Brassica napus) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 26, 2016
 Blooming rapeseed (Brassica napus)(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 26, 2016
 Plant of rapeseed (Brassica napus)(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 26, 2016
 Masses of blooming rapeseed (Brassica napus)(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 26, 2016
 Basal leaves of rapeseed (Brassica napus)(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 26, 2016
 Blooming rapeseed (Brassica napus)(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 2015
 rapeseed (Brassica napus)(?) 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
 Yellow flowers of rapeseed (Brassica napus)(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, December 18, 2015
 Close up of yellow flowers of rapeseed (Brassica napus)(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, December 18, 2015
 Rosette of glossy leaves of rapeseed (Brassica napus) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, March 14, 2015
 Field mustard (wild turnip, Brassica rapa) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 2015
 Fruits of Leptadenia pyrotechnica on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, June 3, 2016
 Small flowers and beaked fruits of Sahara mustard (Asian mustard, wild-turnip, Brassica tournefortii) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, December 18, 2015
 Fruits of Lotus glinoides in a depression on a periphery of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 22, 2016
 Field mustard (wild turnip, Brassica rapa) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, May 1, 2015
 Fruits of Spanish Needle (Bidens pilosa) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 2015
 Fruits of curly dock (Rumex crispus) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 2015
 Fruits of Argentine peppercress (Lepidium bonariense) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 2015
 Fruits of field dodder (Cuscuta campestris) taken from Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 2015
 Flowers and fruits of Lotus glinoides in a depression on a periphery of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 22, 2016
 Flowers and fruits of alfalfa (lucerne, Medicago sativa) taken from Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, June 3, 2016
 Flowers of field mustard (wild turnip, Brassica rapa) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, May 1, 2015
 Close up of fruits of curly dock (Rumex crispus) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 2015
 Flowers and fruits of Spanish Needle (Bidens pilosa) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 2015
 Close up of fruits of field, or golden dodder (Cuscuta campestris) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 2015
 Sahara mustard (Asian mustard, wild-turnip, Brassica tournefortii) on periphery of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, March 5, 2016
 Sidra tree (Ziziphus spina-christi) with fruits on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, March 5, 2016
 Fruits of Leptadenia pyrotechnica taken from periphery of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, May 1, 2015
 Fruits of Ochradenus aucheri taken from periphery of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, May 1, 2015
 Johnson grass (Sorghum halepense)(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 26, 2016
 Southern cattail (Typha domingensis) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 26, 2016
 Ochradenus aucheri with flowers and fruits on periphery of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, May 1, 2015
 Reed (southern cattail, Typha domingensis) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 26, 2016
 Spikelets of Johnson grass (Sorghum halepense)(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 26, 2016
 Spike of Johnson grass (Sorghum halepense)(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 26, 2016
 Spike of annual meadow grass (Poa annua) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 26, 2016
 Spike of Rabbitsfoot grass (Polypogon monspeliensis) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 26, 2016
 Bushy bindweed (Convolvulus prostratus) on a periphery of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 26, 2016
 Close up of Johnson grass (Sorghum halepense)(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 26, 2016
 Fruits of Spanish Needle (Bidens pilosa) taken from Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, March 14, 2015
 Pink flowers of fodder radish (Raphanus sativus) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 26, 2016
 Shoots of reed (southern cattail, Typha domingensis) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 26, 2016
 Raceme-like spike of rigid ryegrass (Lolium rigidum) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 26, 2016
 Wild radish (Raphanus sativus) with pink flowers on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 26, 2016
 Back lit leaf of southern cattail (Typha domingensis) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 26, 2016
 Tall grass southern cattail (Typha domingensis) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 26, 2016
 Flower and fruits of Spanish Needle (Bidens pilosa) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, March 14, 2015
 Shoot of spiderling (Boerhavia erecta) with fruits near a pond on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 10, 2015
 Pink variety of flowers of fodder radish (Raphanus sativus) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 26, 2016
 Overwintering plant of bushy bindweed (Convolvulus prostratus) near the border of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 26, 2016
 Wild radish (Raphanus sativus) blooming in pink flowers on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 26, 2016
 Close up of base of a leaf of southern cattail (Typha domingensis) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 26, 2016
 Fruits of silverleaf nightshade (Solanum elaeagnifolium) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
 Desert spurge (summer poinsettia, Euphorbia heterophylla) with fruits in dew on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, March 14, 2015
 Desert spurge (summer poinsettia, Euphorbia heterophylla) with fruits on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, March 14, 2015
 Fruits of desert spurge (summer poinsettia, Euphorbia heterophylla) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, March 14, 2015
 Fruits of desert spurge (summer poinsettia, Euphorbia heterophylla) in dew on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, March 14, 2015
 Fruits of black nightshade (Solanum nigrum) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
 Fruits of desert spurge (summer poinsettia, Euphorbia heterophylla) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, June 5, 2015
 Fruits of desert spurge (summer poinsettia, Euphorbia heterophylla) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, October 9, 2015
 Early season seedlings of Sahara mustard (Asian mustard, wild-turnip, Brassica tournefortii) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, December 18, 2015
 Small yellow flowers of Sahara mustard (Asian mustard, wild-turnip, Brassica tournefortii) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, December 18, 2015
 Spikes of rigid ryegrass (Lolium rigidum) alternatively set on a jointed rachis on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 26, 2016
 Spikes subtended by leafy spathes of rigid ryegrass (Lolium rigidum) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 26, 2016
 Paired leaves and pinkish tubular flowers of Staggerweed (Stachys arvensis) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 26, 2016
 Green algae in a pond outside of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, March 5, 2016
 Reichardia intermedia(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 2015
 Fruits of lunaria (Savignya parviflora, local name Gilgilan) taken from desert on the border of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, March 14, 2015
 Back lit fruits of desert spurge (summer poinsettia, Euphorbia heterophylla) taken from Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, June 5, 2015
 Close up of fruits of desert spurge (summer poinsettia, Euphorbia heterophylla) in dew on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, March 14, 2015
 Ripe fruits of black nightshade (Solanum nigrum) taken from Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
 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
 Early season blooming plants of Sahara mustard (Asian mustard, wild-turnip, Brassica tournefortii) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, December 18, 2015
 Young, early season plant of Sahara mustard (Asian mustard, wild-turnip, Brassica tournefortii) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, December 18, 2015
 Green seeds of curly dock (Rumex crispus) 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, February 20, 2015
 Flower bud of Reichardia intermedia(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 2015
 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
 Basal rosette of divided hairy leaves of Sahara mustard (Asian mustard, wild-turnip, Brassica tournefortii) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, December 18, 2015
 Aegean dock (Rumex dentatus) taken from Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 22, 2016
 Astragalus sieberi in a depression on a periphery of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 22, 2016
 Dry meadow on periphery of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, March 5, 2016
 Spiderling (Boerhavia erecta) near a pond on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 22, 2016
 Fodder radish (Raphanus sativus) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, June 3, 2016
 Argentine peppercress (Lepidium bonariense) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, June 3, 2016
 Silverleaf nightshade (Solanum elaeagnifolium) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, June 3, 2016
 Flower heads of Reichardia intermedia(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 2015
 Malva parviflora (local name khubaiza) 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
 Bushy bindweed (Convolvulus prostratus) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 2015
 London rocket (Sisymbrium irio) 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
 Close up of 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
 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
 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
 Lower (abaxial) hairy surface of basal leaf of Sahara mustard (Asian mustard, wild-turnip, Brassica tournefortii) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, December 18, 2015
 Green seed pod of Astragalus sieberi taken from a depression on periphery of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, March 5, 2016
 Blooming silverleaf nightshade (Solanum elaeagnifolium) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, June 3, 2016
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