 Milkweed Glossonema varians in sand in Al Ghariya on north-western coast, view from south. Qatar, July 3, 2015
 Milkweed Glossonema varians (Glossonema edule, local names attar, jarawa, yarawa) in a runnel north from Dukhan in western Qatar, March 3, 2014
 Blooming milkweed Glossonema varians (Glossonema edule, local names attar, jarawa, yarawa) in a runnel north from Dukhan in western Qatar, March 3, 2014
 Seedling of Fagonia ovalifolia(?) on sand in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Sand covering chalky limestone in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Sand button (creeping thorn rose, Neurada procumbens, local name saadan) on sand in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Slabs of gypsum crystals (selenite) with sand in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Hairy leaves of Astragalus eremophilus(?) on sand in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Pebbles covering lithified sand dune in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Sand covering gypsum crystals (selenite) in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Milkweed Glossonema varians (Glossonema edule, local names attar, jarawa, yarawa) on rocky ridge of Jebel Fuwairit. Qatar, January 31, 2015
 Milkweed Glossonema varians (local names attar, jarawa, yarawa) in sand on rocky ridge of Jebel Fuwairit. Qatar, January 31, 2015
 Pebbles covering layers of lithified sand dune in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 White flowers of Eremobium aegyptiacum (to the left) on sand in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Launaea capitata (local names huwa, hazan) on sand in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Desert rock carved by drifting sand (aeolian abrasion) in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Lithified (compacted and hardened, turned to stone) sand dune in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Compact seedling of desert plant Zygophyllum qatarense among sand in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Stork bill (Monsonia nivea, Erodium neveum) on sand in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Stork bill with seeds (Monsonia nivea, Erodium neveum) on sand in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Leaves of stork bill (Monsonia nivea, Erodium neveum) on sand in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Stork bill with a flower (Monsonia nivea, Erodium neveum) on sand in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Hairy leaves of milkvetch Astragalus arpilobus subsp. hauarensis in sand in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Blooming milkweed Glossonema varians in Al Ghariya on north-western coast, view from south. Qatar, July 3, 2015
 Hairy leaves of milkvetch Astragalus arpilobus subsp. hauarensis submerged in sand in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Rosette of leaves of stork bill (Monsonia nivea, Erodium neveum) on sand in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Sand button (creeping thorn rose, Neurada procumbens, local name saadan) in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Haloxylon salicornicum (Hammada elegance local names remith, hamd) on sand in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Seedling of Zygophyllum qatarense (Tetraena qatarense) on sand in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Milkweed Glossonema varians near Harrarah in southern Qatar, February 14, 2014
 Brown lily (Dipcadi erythraeum, local names mesailemo, besailemo) with flower buds on sand in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Flower buds of Brown lily (Dipcadi erythraeum, local names mesailemo, besailemo) on sand in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Sand and rocks in area of Jebel Al-Nakhsh (Khashm an Nakhsh). South-western Qatar, March 25, 2016
 Sand ripples in area of Jebel Al-Nakhsh (Khashm an Nakhsh). South-western Qatar, March 25, 2016
 Sand and sky ripples in area of Jebel Al-Nakhsh (Khashm an Nakhsh). South-western Qatar, March 25, 2016
 Sand and sky texture in area of Jebel Al-Nakhsh (Khashm an Nakhsh). South-western Qatar, March 25, 2016
 Sand and cloud ripples in area of Jebel Al-Nakhsh (Khashm an Nakhsh). South-western Qatar, March 25, 2016
 Windblown sand with ripples in area of Jebel Al-Nakhsh (Khashm an Nakhsh). South-western Qatar, March 25, 2016
 Windblown sand with rocks in area of Jebel Al-Nakhsh (Khashm an Nakhsh). South-western Qatar, March 25, 2016
 Area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Geologist Jacques LeBlanc at the foot of ancient lithified dune of red sand guiding a fossil tour for Qatar Natural History Group (QNHG) in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Bird tracks in windblown sand on roadside in area of Jebel Al-Nakhsh (Khashm an Nakhsh). South-western Qatar, June 10, 2016
 Sand covering gypsum crystals (selenite) in area of Jebel Al-Nakhsh (Khashm an Nakhsh) in south-western Qatar, March 11, 2016
 Grass Pennisetum divisum on windblown sand in area of Jebel Al-Nakhsh (Khashm an Nakhsh). South-western Qatar, March 25, 2016
 Sand mounds with plants of Anabasis setifera on roadside in area of Jebel Al-Nakhsh (Khashm an Nakhsh). South-western Qatar, June 10, 2016
 Plant of Leptadenia pyrotechnica in windblown sand on roadside in area of Jebel Al-Nakhsh (Khashm an Nakhsh). South-western Qatar, June 10, 2016
 Plant of Anabasis setifera in windblown sand on roadside in area of Jebel Al-Nakhsh (Khashm an Nakhsh). South-western Qatar, June 10, 2016
 Stones and pebbles in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Chalky limestone in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Lithified (compacted and hardened, turned to stone) sand dune in area of Jebel Al-Nakhsh (Khashm an Nakhsh). South-western Qatar, March 25, 2016
 Greater plantain (Plantago boissieri) on windblown sand on roadside in area of Jebel Al-Nakhsh (Khashm an Nakhsh). South-western Qatar, March 25, 2016
 Orange lithified (compacted and hardened, turned to stone) sand dune in area of Jebel Al-Nakhsh (Khashm an Nakhsh). South-western Qatar, March 25, 2016
 Dried stem of Zygophyllum in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Marine Miocene Dam Formation in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Layers of Miocene Dam Formation in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Arfaj (Rhanterium epapposum) growing on sand covering gypsum crystals (selenite) in area of Jebel Al-Nakhsh (Khashm an Nakhsh) in south-western Qatar, March 11, 2016
 Cornulaca monacantha (local names thalj, thallaj) on windblown sand on roadside in area of Jebel Al-Nakhsh (Khashm an Nakhsh). South-western Qatar, June 10, 2016
 Cornulaca monacantha (local names thalj, thallaj) in windblown sand on roadside in area of Jebel Al-Nakhsh (Khashm an Nakhsh). South-western Qatar, June 10, 2016
 Ladybugs eating aphids feeding on Glossonema varians (Glossonema edule, local names attar, jarawa, yarawa) in area of Ras Laffan farms. Northern Qatar, February 28, 2014
 Slabs of gypsum crystals (selenite) in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Slab of gypsum crystals (selenite) in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Layers of gypsum crystals (selenite) in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Pavement by gypsum crystals (selenite) in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 White gypsum crystals (selenite) in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Seedling of Zygophyllum qatarense plant in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Patterns of gypsum crystals (selenite) in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Seed pods of milkweed Glossonema varians (local names jarawa, yarawa) on roadside of Salwa Road, south-west from Doha. Qatar, April 23, 2014
 Succulent twig of Zygophyllum qatarense plant in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Chalky deposits of marine Miocene Dam Formation in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Texture of protruding gypsum crystals (selenite) in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Protruding layers of gypsum crystals (selenite) in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Polycarpaea repens on gypsum pavement (selenite) in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Patterns of layers of gypsum crystals (selenite) in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Blooming Arfaj (Rhanterium epapposum) growing on sand covering layers of gypsum crystals (selenite) in area of Jebel Al-Nakhsh (Khashm an Nakhsh) in south-western Qatar, March 11, 2016
 Blooming milkweed Glossonema varians (local names attar, jarawa, yarawa) on rocky ridge of Jebel Fuwairit. Qatar, January 31, 2015
 Milkweed Glossonema varians (local names attar, jarawa, yarawa) on rocky ridge of Jebel Fuwairit. Northern Qatar, March 19, 2016
 Grass growing on layers of gypsum crystals (selenite) in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Green seedling of desert plant Zygophyllum qatarense in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Round chalky deposits of marine Miocene Dam Formation in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Young plant of milkweed Glossonema varians (local names attar, jarawa, yarawa) on rocky ridge of Jebel Fuwairit. Qatar, January 31, 2015
 Milkweed Glossonema varians (local names attar, jarawa, yarawa) with flowers on rocky ridge of Jebel Fuwairit. Northern Qatar, March 19, 2016
 Tiny flower of lunaria (Savignya parviflora, local name Gilgilan) in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Plant of dyer s croton (giradol, Chrozophora tinctoria, local names Tanoom, zerraij, tannom) in windblown sand on roadside in area of Jebel Al-Nakhsh (Khashm an Nakhsh). South-western Qatar, June 10, 2016
 Habitat of dyer s croton (giradol, Chrozophora tinctoria, local names Tanoom, zerraij, tannom) in windblown sand on roadside in area of Jebel Al-Nakhsh (Khashm an Nakhsh). South-western Qatar, June 10, 2016
 Woolly plant of dyer s croton (giradol, Chrozophora tinctoria, local names Tanoom, zerraij, tannom) in windblown sand on roadside in area of Jebel Al-Nakhsh (Khashm an Nakhsh). South-western Qatar, June 10, 2016
 Blooming plant of dyer s croton (giradol, Chrozophora tinctoria, local names Tanoom, zerraij, tannom) in windblown sand on roadside in area of Jebel Al-Nakhsh (Khashm an Nakhsh). South-western Qatar, June 10, 2016
 Flower bud of Brown Lily (Dipcadi erythraeum, local names mesailemo, besailemo) in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Members of the Qatar Natural History Group (QNHG) exploring area of gypsum crystal pavement (selenite) during fossil trip in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Blooming Glossonema varians (Glossonema edule, local names attar, jarawa, yarawa) near a road to Saudi Arabia in southern Qatar, February 11, 2014
 Soft buds of milkweed Glossonema varians in Harrarah, 40 miles south-west from Doha. Qatar, March 2, 2012
 Flowers of a desert plant Glossonema varians (Glossonema edule, local names attar, jarawa, yarawa) near a road to Saudi Arabia in southern Qatar, February 11, 2014
 Flowering desert plant Glossonema varians (Glossonema edule, local names attar, jarawa, yarawa) near a road to Saudi Arabia in southern Qatar, February 11, 2014
 Blooming desert plant Glossonema varians (Glossonema edule, local names attar, jarawa, yarawa) near a road to Saudi Arabia in southern Qatar, February 11, 2014
 Climbing an orange lithified (hardened) sand dune in area of Jebel Al-Nakhsh in south-western Qatar, April 2, 2016
 Zygophyllum simplex (Tetraena simplex, local name Daa, harm, hureim) in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Members of the Qatar Natural History Group (QNHG) exploring glittering gypsum pavement (selenite) during fossil trip in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Sunrise in area of Jebel Al-Nakhsh (Khashm an Nakhsh). South-western Qatar, March 25, 2016
 Orange lithified (compacted and hardened, turned to stone) sand dune in area of Jebel Al-Nakhsh in south-western Qatar, April 2, 2016
 Haloxylon salicornicum (Hammada elegance, local names remith, hamd) growing on layers of gypsum crystals (selenite) in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
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