Blue panicgrass (Panicum antidotale) taken from area of water tank on roadside between Mesayeed and Harrarah. Qatar, October 30, 2015
Spikelet of blue panicgrass (Panicum antidotale) taken from area of water tank on roadside between Mesayeed and Harrarah. Qatar, October 30, 2015
Close up of a stalk of blue panicgrass (Panicum antidotale) taken from area of water tank on roadside between Mesayeed and Harrarah. Qatar, October 30, 2015
Blue panicgrass (Panicum antidotale)(?) in a roadside depression near Salwa Road. Qatar, April 22, 2016
Flower and a dissected ovary of eggplant (Solanum melongena) taken from area of water tank on roadside between Mesayeed and Harrarah. Qatar, October 30, 2015
Blue panicgrass (Panicum antidotale) taken from Onaiza area. Doha, Qatar, January 17, 2016
Eggplant (Solanum melongena) near a water tank on roadside between Mesayeed and Harrarah. Qatar, October 30, 2015
Close up of spike of blue panicgrass (Panicum antidotale) taken from Onaiza area. Doha, Qatar, January 17, 2016
Eggplant (Solanum melongena) with flowers near a water tank on roadside between Mesayeed and Harrarah. Qatar, October 30, 2015
Blooming eggplant (Solanum melongena) near a water tank on roadside between Mesayeed and Harrarah. Qatar, October 30, 2015
Blue panicgrass (Panicum antidotale) on United Nations Street in Onaiza area. Doha, Qatar, February 2, 2016
Blue panicgrass (Panicum antidotale) near Zubara exit of Al Shamal Road. Northern Qatar, April 3, 2014
Kleingrass (blue panicgrass, Panicum coloratum)(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, October 9, 2015
Kleingrass (blue panicgrass, Panicum coloratum) on a field on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, May 1, 2015
Spikelets of kleingrass (blue panicgrass, Panicum coloratum) on a field on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, May 1, 2015
Flowers of Kleingrass (blue panicgrass, Panicum coloratum) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, October 9, 2015
Compact stand of Kleingrass (blue panicgrass, Panicum coloratum)(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, October 9, 2015
Kleingrass (blue panicgrass, Panicum coloratum) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
Seedling of Heliotropium bacciferum(?) on roadside between Mesayeed and Harrarah. Qatar, October 30, 2015
Desert plant of Corchorus depressus on roadside between Mesayeed and Harrarah. Qatar, October 30, 2015
Fresh shoot of scarlet pea (Indigofera intricata, local name humeira) on roadside between Mesayeed and Harrarah. Qatar, October 30, 2015
Seedling of Tetraena qatarense (Zygophyllum qatarense) on roadside between Mesayeed and Harrarah. Qatar, October 30, 2015
Blooming seedling of Zygophyllum simplex (Tetraena simplex, local names Daa, harm, hureim) on roadside between Mesayeed and Harrarah. Qatar, October 30, 2015
Desert grass Panicum turgidum (local name Thummam) on roadside of Salwa Road in area of Khashem Al Nekhsh. Qatar, March 21, 2015
Desert grass Panicum turgidum (local name Thummam) in sand on roadside of Salwa Road in area of Rawdat Ekdaim. Southern Qatar, March 21, 2015
Area of American military air base Al Udeid (Abu Nahlah Airport) near Mesayeed, south-west from Doha, view from a window of a car. Qatar, November 6, 2015
Eolian sand from area of dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
Grits of eolian sand from area of dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
Fossilized sea urchin on desert plane in area of dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
Sand tracks of a big desert lizard in area of dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
Water morning glory (water spinach, water convolvulus, Ipomoea aquatica) near a water leakage site near sand processing plant near Irkhaya (Irkaya) Farms. Qatar, November 13, 2015
Beaked panicgrass (Panicum anceps) in Lick Creek Park. College Station, Texas, August 19, 2020
Beaked panicgrass (Panicum anceps) in Lick Creek Park. College Station, Texas, April 22, 2021
Beaked panicgrass (Panicum anceps) in Lick Creek Park. College Station, Texas, July 28, 2021
Sand blasted flint rocks in planes in area of dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
Effects of wind abrasion on desert rocks in area of dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
Remains of Arabic newspaper in desert sand in area of dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
Fossil sea urchins (echinoids, echinoderms) taken from desert in area of dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 22, 2013
Wind driven sand grains of two different sizes in area of dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
Eroded flint stones by drifting sand in area of dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
Mixture of course and fine grained eolian sand in area of dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
Two fossil sea urchins (echinoids, echinoderms) taken from desert in area of dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 22, 2013
Taking nature picture of a desert plant in area of dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
Rounded and fine-grained eolian sand in area of dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
Flint rocks carved by drifting sand in area of dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
Beaked panicgrass (Panicum anceps) on a pipeline right of way in Lick Creek Park. College Station, Texas, July 26, 2020
White flowers of water morning glory (water spinach, water convolvulus, Ipomoea aquatica) near a water leakage site near sand processing plant near Irkhaya (Irkaya) Farms. Qatar, November 13, 2015
Wind carved flint rocks (aeolian abrasion) in area of dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
Remains of a bedouin campfire with a rusty tin can on desert plane in area of dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
View from a crest of an arc-shaped sand dune (barchan) in area of dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
Poop of a desert lizard with remains of plants in sand in area of dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
Close up of rounded and fine-grained eolian sand in area of dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
Beaked panicgrass (Panicum anceps) near Raccoon Run Trail in Lick Creek Park. College Station, Texas, July 22, 2020
Placing a pitfall trap (trapping pit) at the foot of sand dune in area of dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
Flint stone with a wind carved hole on desert plain in area of dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
Desert rock carved by drifting sand (aeolian abrasion) in area of dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
Violet flint rocks carved by drifting sand (sandblasted) in area of dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
Small crab with blue claws in shallow water in Al Mafyar (Mafjar) area on northern coast (Al Shamal). Qatar, June 27, 2015
Accumulation of drifting sand around bushy desert plants Cornulaca aucheri(?) in area of dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
Fossil sea urchin (echinoid, echinoderm) among flint stones on desert plane in area of dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
Weather station with Nexgen anemometer and wind vane on desert plane in area of dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
Water stream after a rain on roadside of a road to Zubara, area of Al Magdah farms. Northern Qatar, December 26, 2015
Desert lizard Arabian toad headed agama (Phrynocephalus arabicus) on rocky plane in area of dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
Desert lizard Arabian toad headed agama (Phrynocephalus arabicus) standing on sand at hot afternoon in area of dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
Desert lizard Arabian toad headed agama (Phrynocephalus arabicus) standing on rocks at hot afternoon in area of dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
Habitat of water morning glory (water spinach, water convolvulus, Ipomoea aquatica) on northern corner of Housing Community near a hospital. Al Khor, Qatar, November 14, 2015
Rounded and well sorted eolian sand on a crest of a sand dune in area of dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
Fine-grained eolian sand on a crest of a sand dune in area of dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
Desert lizard Arabian toad headed agama (Phrynocephalus arabicus) with raised tail used for visual signals in area of dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
Desert lizard Arabian toad headed agama (Phrynocephalus arabicus) standing on extended legs on sand in area of dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
Desert lizard Eastern sandfish (skink, Chalcides mitranus, Scincus mitranus) in area of dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
Close up of a desert lizard Eastern sandfish (skink, Chalcides mitranus, Scincus mitranus) in area of dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
Desert grass Panicum turgidum Forssk. (local name Thummam). Harrarah, 40 miles south-west from Doha, Qatar, March 12, 2010
Desert grass Panicum turgidum in area of Nakhsh Mountain near Salwa Road in southern Qatar, May 8, 2015
Blooming water morning glory (water spinach, water convolvulus, Ipomoea aquatica) on northern corner of Umm Enaig Housing Community near a hospital (Jeri Al Ramli). Al Khor, Qatar, November 14, 2015
Desert lizard Arabian toad headed agama (Phrynocephalus arabicus) with fringes of long scales around the eyes to keep out sand grains in area of dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
Frightened desert lizard Arabian toad headed agama (Phrynocephalus arabicus) changing coloration of its scales to grey and yellow in area of dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
Desert lizard Arabian toad headed agama (Phrynocephalus arabicus) standing on extended legs to limit contact with hot sand in area of dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
Sedge (Cyperus conglomeratus) on roadside of a road to Harrarah. Southern Qatar, March 27, 2015
White flowers of water morning glory (water spinach, water convolvulus, Ipomoea aquatica) on northern corner of Umm Enaig Housing Community near a hospital (Jeri Al Ramli). Al Khor, Qatar, November 14, 2015
Two white flowers of water morning glory (water spinach, water convolvulus, Ipomoea aquatica) on northern corner of Umm Enaig Housing Community near a hospital (Jeri Al Ramli). Al Khor, Qatar, November 14, 2015
Three white flowers of water morning glory (water spinach, water convolvulus, Ipomoea aquatica) on northern corner of Umm Enaig Housing Community near a hospital (Jeri Al Ramli). Al Khor, Qatar, November 14, 2015
Masses of white flowers of water morning glory (water spinach, water convolvulus, Ipomoea aquatica) on northern corner of Umm Enaig Housing Community near a hospital (Jeri Al Ramli). Al Khor, Qatar, November 14, 2015
Large white flowers of water morning glory (water spinach, water convolvulus, Ipomoea aquatica) on northern corner of Umm Enaig Housing Community near a hospital (Jeri Al Ramli). Al Khor, Qatar, November 14, 2015
Close up of a white flower of water morning glory (water spinach, water convolvulus, Ipomoea aquatica) on northern corner of Umm Enaig Housing Community near a hospital (Jeri Al Ramli). Al Khor, Qatar, November 14, 2015
Desert plant of aster family with yellow flowers Pulicaria undulata (Kootkaat, Rabool, Rabl, Rabd, Ghobbeira, Ghobbayra-a, Shaay gabali) in area of dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
Fine-grained eolian sand moving on a layer of course grained sand in area of dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
Desert plant Zygophyllum qatarense near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
Blooming salt tolerant plant Anabasis setifera in area of Uwaynat Bin Husayn (Water Well) near Simaisma. Qatar, November 7, 2015
Desert plant Zygophyllum qatarense in sand near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
Close up of desert plant Zygophyllum qatarense near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
Bedouin camping place with rusty cans near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
Effects of wind abrasion on limestone rocks near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
Windblown sand on roadside of Salwa Road in area of Khashem Al Nekhsh. Qatar, November 27, 2015
Sand tracks on roadside of Salwa Road in area of Khashem Al Nekhsh. Qatar, November 27, 2015
Leveled sand on roadside of Salwa Road in area of Khashem Al Nekhsh. Qatar, November 27, 2015
Acacia tortilis(?) on roadside of Salwa Road in area of Khashem Al Nekhsh. Qatar, November 27, 2015
Flower buds of desert plant Zygophyllum qatarense near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
Flat rocks wind-carved by drifting sand near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
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