 Invasive desert spurge (summer poinsettia, Euphorbia heterophylla) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, June 5, 2015
 Invasive plants of desert spurge (summer poinsettia, Euphorbia heterophylla) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, June 5, 2015
 Inflorescence of desert spurge (summer poinsettia, Euphorbia heterophylla) taken from Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, June 5, 2015
 Carpet 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, June 5, 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
 Desert spurge (summer poinsettia, Euphorbia heterophylla) with back lit leaves taken from Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, June 5, 2015
 Desert spurge (summer poinsettia, Euphorbia heterophylla) in dew on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, March 14, 2015
 Desert spurge (summer poinsettia, Euphorbia heterophylla) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, March 14, 2015
 Carpet of desert spurge (summer poinsettia, Euphorbia heterophylla) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, March 14, 2015
 Desert spurge (summer poinsettia, Euphorbia heterophylla) with fruits in dew on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, March 14, 2015
 Infestation by desert spurge (summer poinsettia, Euphorbia heterophylla) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, August 21, 2015
 Flowers of desert spurge (summer poinsettia, Euphorbia heterophylla) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, March 14, 2015
 Plants 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) 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
 Desert spurge (summer poinsettia, Euphorbia heterophylla) with flowers on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, March 14, 2015
 Back lit desert spurge (summer poinsettia, Euphorbia heterophylla) 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, October 9, 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
 Flower buds of desert spurge (summer poinsettia, Euphorbia heterophylla) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, December 18, 2015
 Dense infestation by desert spurge (summer poinsettia, Euphorbia heterophylla) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, March 14, 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
 Small green caterpillar on Desert spurge (summer poinsettia, Euphorbia heterophylla) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, November 13, 2015
 Yellow garden spider (Argiope aurantia(?)) on desert spurge (summer poinsettia, Euphorbia heterophylla) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, March 14, 2015
 Spurge (Euphorbia prostrata) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, May 1, 2015
 Spurge (Euphorbia prostrata) on a field on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 10, 2015
 Mat of spurge Euphorbia prostrata on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
 Reddish leaves of spurge Euphorbia prostrata on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
 Reichardia seedling among a mat of spurge (Euphorbia prostrata) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
 Brilliant red leaves of spurge Euphorbia prostrata on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
 Pinkish leaves of spurge Euphorbia prostrata on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
 Masses of field, or golden dodder (Cuscuta campestris) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, June 3, 2016
 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
 Masses of blooming rapeseed (Brassica napus)(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 26, 2016
 Fruits of Leptadenia pyrotechnica 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
 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
 Field, or golden dodder (Cuscuta campestris) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, June 3, 2016
 Blooming field dodder (Cuscuta campestris) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, June 3, 2016
 Blooming silverleaf nightshade (Solanum elaeagnifolium) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, June 3, 2016
 Seedling of Astragalus sieberi in a depression on a periphery of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, June 3, 2016
 Plant of Astragalus sieberi in a depression on a periphery of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, June 3, 2016
 Shoots of golden dodder (Cuscuta campestris) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, June 3, 2016
 Flowers and fruits of alfalfa (lucerne, Medicago sativa) taken from Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, June 3, 2016
 Khaki Burr weed (Alternanthera pungens) growing among spurge 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
 Field, or golden dodder (Cuscuta campestris) on fleabane daisy on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, June 3, 2016
 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
 Green algae in a pond outside of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, March 5, 2016
 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
 Desert species of morning glory (Convolvulus cephalopodus) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
 Spiderling (Boerhavia erecta) near a pond on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 22, 2016
 Blooming rapeseed (Brassica napus)(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 26, 2016
 Fruits of rapeseed (Brassica napus) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 26, 2016
 Johnson grass (Sorghum halepense)(?) 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
 Southern cattail (Typha domingensis) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 26, 2016
 Dry meadow on periphery of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, March 5, 2016
 Astragalus sieberi in a depression on a periphery of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 22, 2016
 Aegean dock (Rumex dentatus) taken from Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 22, 2016
 Silverleaf nightshade (Solanum elaeagnifolium) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, June 5, 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
 Close up of Johnson grass (Sorghum halepense)(?) 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
 Yellow flowers of Acacia ehrenbergiana on a periphery of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 22, 2016
 Siliqua fruits of rapeseed (Brassica napus) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 26, 2016
 Fruits of Lotus glinoides in a depression on a periphery of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 22, 2016
 Seedlings of Astragalus sieberi in a depression on a periphery of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 22, 2016
 Plant of Astragalus sieberi in a depression on a periphery of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 22, 2016
 Some slender plant of aster(?) family taken from a periphery of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 22, 2016
 Seedling of Astragalus sieberi in a depression on a periphery of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 22, 2016
 Wading birds in a pond outside of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, March 5, 2016
 Spike of annual meadow grass (Poa annua) 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
 Reed (southern cattail, Typha domingensis) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 26, 2016
 Astragalus sieberi on periphery of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, March 5, 2016
 Spike of Rabbitsfoot grass (Polypogon monspeliensis) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 26, 2016
 Sandy island in a pond outside of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, March 5, 2016
 Haplophyllum tuberculatum (local name Meseika) on 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
 Bushy bindweed (Convolvulus prostratus) on a periphery of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 26, 2016
 Plant of Lotus glinoides in a depression on a periphery of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 22, 2016
 Basal leaves of rapeseed (Brassica napus)(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 26, 2016
 Field of silverleaf nightshade (Solanum elaeagnifolium) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, June 5, 2015
 Blooming silverleaf nightshade (Solanum elaeagnifolium) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, June 5, 2015
 Split pod of Senna italica (Cassia) with seeds taken from Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, June 5, 2015
 Flower of silverleaf nightshade (Solanum elaeagnifolium) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, June 5, 2015
 Dry seed pods of Senna italica (Cassia) taken from Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, June 5, 2015
 Flowers of silverleaf nightshade (Solanum elaeagnifolium) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, June 5, 2015
 Segments of pipes with water sprinkles on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, March 5, 2016
 Branch of Astragalus sieberi on periphery of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, March 5, 2016
 Plant of Astragalus sieberi on periphery of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, March 5, 2016
 Arfaj (Rhanterium epapposum) on periphery of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, March 5, 2016
 Haplophyllum tuberculatum (local name Meseika) in a depression on a periphery of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 22, 2016
 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
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