 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
 London rocket (Sisymbrium irio) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 2015
 Close up of flowers of field, or golden dodder (Cuscuta campestris) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 2015
 Yellow flowers of rapeseed (Brassica napus)(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, December 18, 2015
 Close up of flowers of prickly lettuce (Lactuca serriola) or may be L. saligna on roadside 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
 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
 Ochradenus aucheri with flowers and fruits on periphery of 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
 Close up of Spanish Needle (Bidens pilosa) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 2015
 Close up of spiderling (Boerhavia erecta) near a pond on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 10, 2015
 Close up of golden dodder (Cuscuta campestris) taken from Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, March 14, 2015
 Close up of a yellow garden spider (Argiope) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, October 9, 2015
 Close up of a branch of a plant 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
 Flowers of silverleaf nightshade (Solanum elaeagnifolium) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, June 5, 2015
 Flowers of curly dock (Rumex crispus) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 2015
 Close up of leaves of black pigweed (Trianthema portulacastrum) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, October 9, 2015
 Close up of fruits of curly dock (Rumex crispus) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 2015
 Close up of black pigweed (Trianthema portulacastrum) with a flower on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, October 9, 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
 Close up of Khaki Burr weed (Alternanthera pungens) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, October 9, 2015
 Close up of goosegrass (finger millet, Eleusine indica) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, November 13, 2015
 Segments of pipes with water sprinkles 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
 Segments of pipes on wheels 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
 Segments of watering pipes at sunrise on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, December 18, 2015
 Flowers of field, or golden dodder (Cuscuta campestris) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 2015
 Flowers of field mustard (wild turnip, Brassica rapa) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, May 1, 2015
 Blue flowers of silverleaf nightshade (Solanum elaeagnifolium) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, June 5, 2015
 Star shaped flowers of Leptadenia pyrotechnica taken from the border of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, November 13, 2015
 Flowers of Kleingrass (blue panicgrass, Panicum coloratum) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, October 9, 2015
 Shoots of spiderling (Boerhavia erecta) with flowers near a pond on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 10, 2015
 Yellow flowers of charlock mustard (Sinapis arvensis)(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, March 14, 2015
 Flowers of prickly lettuce (Lactuca serriola) or may be L. saligna on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, June 5, 2015
 Shoot of spiderling (Boerhavia erecta) with flowers near a pond on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 10, 2015
 Flowers and fruits of Spanish Needle (Bidens pilosa) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 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
 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
 Close up of inflorescence of Malabar sprangletop (brown beetle-grass, Leptochloa fusca) taken from area of lagoons north from entrance of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, December 18, 2015
 Segments of pipes with water sprinkles at sunrise on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, December 18, 2015
 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
 Shoots of spiderling (Boerhavia erecta) on white background near a pond on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 10, 2015
 Desert spurge (summer poinsettia, Euphorbia heterophylla) with flowers on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, March 14, 2015
 Flowers of prickly lettuce (Lactuca serriola) or may be L. saligna on roadside of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 10, 2015
 Flowers of 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
 Seed head of Spanish needle (Bidens pilosa) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, December 18, 2015
 Seedling of staggerweed (Stachys arvensis) on washed out gravel 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
 Flower of bindweed (Convolvulus pilosellifolius(?)) taken from a sandy area between Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, December 18, 2015
 Sleeping white-lined sphinx (Hummingbird moth, Hyles lineata) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, March 14, 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
 White 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
 Seedling of staggerweed (Stachys arvensis) emerging from gravel wash on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, December 18, 2015
 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
 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
 Flowers of radish (Raphanus sativus, local names ruweid, fijil) on a field on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 10, 2015
 Blue Pansy (Junonia orithya) butterfly on flowers of Reichardia intermedia on a field on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 10, 2015
 Green algae mats in a pond of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 10, 2015
 Close up of Aegean dock (Rumex dentatus, local names Khillah, hommad) on a field on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 10, 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
 Flowers of wormseed (Dysphania ambrosioides, Chenopodium ambrosioides) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 2015
 Various pebbles washed out on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, November 13, 2015
 Amaranthus hybridus(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, October 9, 2015
 Watering a field on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 10, 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
 Morning dew on grasses on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, August 21, 2015
 Water pipes on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, November 13, 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
 Mat of Tribulus pentandrus(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, August 21, 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
 Seedlings of weeds 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. Qatar, March 14, 2015
 Bush of Ochradenus aucheri on periphery of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, May 1, 2015
 Staggerweed (Stachys arvensis) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 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
 Water sprinkles on a field on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 10, 2015
 Spiderling (Boerhavia erecta) on a field on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, May 1, 2015
 Flower bud of Reichardia intermedia(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 2015
 Barley (Hordeum vulgare) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, March 14, 2015
 Fruits of Leptadenia pyrotechnica 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
 Fruits of Ochradenus aucheri taken from periphery of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, May 1, 2015
 Green seeds of curly dock (Rumex crispus) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 2015
 Close up of Johnson grass (Sorghum halepense)(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 26, 2016
|