 Seedling of staggerweed (Stachys arvensis) on washed out gravel 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. Qatar, March 14, 2015
 Staggerweed (Stachys arvensis) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 2015
 Plants of staggerweed (Stachys arvensis) 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) with flowers 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
 Blooming staggerweed (Stachys arvensis) on a field on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, May 1, 2015
 Seedlings of staggerweed (Stachys arvensis) on a field on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 10, 2015
 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, with staggerweed (Stachys arvensis) in foreground. Qatar, January 16, 2015
 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
 Morning glory (bindweed, Convolvulus arvensis) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, March 14, 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 a field on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, May 1, 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
 Flowers of charlock mustard (Sinapis arvensis) on a field on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 10, 2015
 Yellow flowers of charlock mustard (Sinapis arvensis)(?) taken from 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, April 10, 2015
 Water pipes on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, December 18, 2015
 Waterwheels at sunrise on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, December 18, 2015
 Fresh leaves of desert heliotrope (turnsole, Heliotropium bacciferum) emerging from earth crack near a pond on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 10, 2015
 Seedling of Astragalus sieberi in a depression on 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, June 3, 2016
 Segments of pipes on wheels at sunrise on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, December 18, 2015
 Segments of watering pipes at sunrise on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, December 18, 2015
 Segments of pipes with water sprinkles 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
 Segments of pipes watering crops on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, December 18, 2015
 Morning glory (bindweed, Convolvulus arvensis) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
 Segments of pipes with water sprinkles at sunrise on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, December 18, 2015
 Yellow flowers of rapeseed (Brassica napus)(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, December 18, 2015
 White flowers of Eruca vesicaria (rocket) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, December 18, 2015
 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
 Two flowers 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, 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
 Flower of bindweed (Convolvulus pilosellifolius(?)) taken from a sandy area between Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, December 18, 2015
 Close up of white flowers of Eruca vesicaria (rocket) 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
 Seed head of Spanish needle (Bidens pilosa) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, December 18, 2015
 Flower buds of Spanish needle (Bidens pilosa) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, December 18, 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 flower of Morning glory (bindweed, Convolvulus arvensis) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 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 flowers of Morning glory (bindweed, Convolvulus arvensis) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
 Panicle inflorescence of common reed grass (Phragmites australis) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, December 18, 2015
 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
 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
 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
 Green algae mats in a pond of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 10, 2015
 Close up of panicle inflorescence of common reed grass (Phragmites australis) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, December 18, 2015
 Bushy bindweed (Convolvulus prostratus) with soft silvery leaves on a periphery of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, December 18, 2015
 Flower buds of desert spurge (summer poinsettia, Euphorbia heterophylla) 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
 Watering a field on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 10, 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
 Mixed weeds on a field on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, May 1, 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, October 9, 2015
 Amaranthus hybridus(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, October 9, 2015
 Water pipes on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, November 13, 2015
 Various pebbles washed out on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, November 13, 2015
 Green algae mats on surface of a pond of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 10, 2015
 Overwintering plant of bushy bindweed (Convolvulus prostratus) with silvery leaves on a periphery of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, December 18, 2015
 Branch of bushy bindweed (Convolvulus prostratus) with soft silvery leaves on a periphery of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, December 18, 2015
 Fresh leaves of alfalfa (lucerne, Medicago sativa, local names jet, barseem)(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, December 18, 2015
 Soft inflorescence (seed head) of common reed grass (Phragmites australis) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, December 18, 2015
 Panicle inflorescence (seed head) of common reed grass (Phragmites australis) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, December 18, 2015
 River pebbles washed out on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, November 13, 2015
 Spiderling (Boerhavia erecta) on a field on 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
 Bush of Ochradenus aucheri on 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
 Multicolored pebbles washed out on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, November 13, 2015
 Small brown grasshopper on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, October 9, 2015
 Barley (Hordeum vulgare) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, March 14, 2015
 Flower bud of Reichardia intermedia(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 2015
 Fruits of Leptadenia pyrotechnica taken from periphery of 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
 Green seeds of curly dock (Rumex crispus) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 2015
 Brown terminal inflorescence (seed head) of common reed grass (Phragmites australis) in dew on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, December 18, 2015
 Bushy bindweed (Convolvulus prostratus) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 2015
 Silverleaf nightshade (Solanum elaeagnifolium) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, June 5, 2015
 Blooming bush of Ochradenus aucheri on periphery of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, May 1, 2015
 Smooth sow thistle (Sonchus oleraceus) 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
 Spare parts for agricultural equipment on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, November 13, 2015
 Flower heads of Reichardia intermedia(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 2015
 Ochradenus aucheri with flowers and fruits on periphery of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, May 1, 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
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