 Colony of grass Schismus arabicus in sand on roadside of Khawzan Road. Qatar, February 20, 2016
 Some grass in sand near Umm Bab in south-western Qatar, February 21, 2014
 Restharrow Ononis serrata with a flower at entrance of Umm Bab in south-western Qatar, February 21, 2014
 Blooming tamarisk (Tamarix passerinoides) at entrance of Umm Bab in south-western Qatar, February 21, 2014
 Big flowers of tamarisk (Tamarix passerinoides) at entrance of Umm Bab in south-western Qatar, February 21, 2014
 Restharrow plant Ononis serrata at entrance of Umm Bab in south-western Qatar, February 21, 2014
 Blooming twig of tamarisk (Tamarix passerinoides) at entrance of Umm Bab in south-western Qatar, February 21, 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
 Desert species of morning glory (Convolvulus cephalopodus) at entrance of Umm Bab in south-western Qatar, February 21, 2014
 Blooming desert species of morning glory (Convolvulus cephalopodus) at entrance of Umm Bab in south-western Qatar, February 21, 2014
 Reseda muricata (local name showla) in sand near Umm Bab in south-western Qatar, February 21, 2014
 Pepper-grass (Lepidium aucheri) on roadside of Salwa Road in south-western Qatar, February 21, 2014
 Milkvetch Astragalus arpilobus subsp. hauarensis in sand near Umm Bab in south-western Qatar, February 21, 2014
 Polycarpaea repens (Corrigiola repens) at entrance of Umm Bab in south-western Qatar, February 21, 2014
 Desert campion (Silene villosa, local name terba) in sand near Umm Bab in south-western Qatar, February 21, 2014
 Leaves of milkvetch Astragalus arpilobus subsp. hauarensis in sand near Umm Bab in south-western Qatar, February 21, 2014
 Sand covering chalky limestone in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Seedling of Fagonia ovalifolia(?) on sand in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Flowers of milkvetch Astragalus arpilobus subsp. hauarensis in sand near Umm Bab in south-western Qatar, February 21, 2014
 Milkweed Glossonema varians on sand in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Grass growing on layers of gypsum crystals (selenite) in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Purslane-leaved aizoon (Aizoon canariense) at entrance of Umm Bab in south-western Qatar, February 21, 2014
 Slabs of gypsum crystals (selenite) with 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
 Leaves of milkvetch Astragalus arpilobus subsp. hauarensis covered by sand near Umm Bab in south-western Qatar, February 21, 2014
 Sand covering gypsum crystals (selenite) 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
 Purslane-leaved aizoon (Aizoon canariense) on sandy surface at entrance of Umm Bab in south-western Qatar, February 21, 2014
 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
 Blooming shrub Dipterygium glaucum (Cleome pallida Kotschy, Dipterygium scabrum) at entrance of Umm Bab in south-western Qatar, February 21, 2014
 Desert rock carved by drifting sand (aeolian abrasion) 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
 Flowers of Launaea capitata (Zollikoferia glomerata, local names huwa, hazan) in sand near Umm Bab in south-western Qatar, February 21, 2014
 Compact seedling of desert plant Zygophyllum qatarense among sand 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
 Launaea capitata (local names huwa, hazan) 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
 Rosette of leaves of Launaea capitata (Zollikoferia glomerata, local names huwa, hazan) in sand near Umm Bab in south-western Qatar, February 21, 2014
 Hairy leaves of milkvetch Astragalus arpilobus subsp. hauarensis in 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
 Leaves of stork bill (Monsonia nivea, Erodium neveum) on sand in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Parasitic plant Desert Hyacinth (Cistanche tubulosa, dhanoon, Tartuth) with a host plant Zygophyllum qatarense at entrance of Umm Bab in south-western Qatar, February 21, 2014
 Sand button (creeping thorn rose, Neurada procumbens, local name saadan) 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
 Hairy leaves of milkvetch Astragalus arpilobus subsp. hauarensis submerged in sand 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
 Tetraena qatarense (Zygophyllum qatarense, local name harm) in sand near Umm Bab in south-western Qatar, February 21, 2014
 Knucklehead Weed (Sclerocephalus arabicus, Paronychia sclerocephala, local names hasak, thereisa) in sand near Trainah in southern Qatar, February 14, 2014
 Tetraena qatarense (Zygophyllum qatarense, local name harm) covered by sand near Umm Bab in south-western Qatar, February 21, 2014
 Seedling of Tetraena qatarense (Zygophyllum qatarense, local name harm) in sand near Umm Bab in south-western Qatar, February 21, 2014
 Seedling of desert plant Tetraena qatarense (Zygophyllum qatarense) in sand near Umm Bab in south-western Qatar, February 21, 2014
 Seedling of Tetraena qatarense (Zygophyllum qatarense, local name harm) covered by sand near Umm Bab in south-western Qatar, February 21, 2014
 Seedling of Zygophyllum qatarense (Tetraena qatarense) on sand in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Purple tinged seedling of Tetraena qatarense (Zygophyllum qatarense, local name harm) in sand near Umm Bab in south-western Qatar, February 21, 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
 Yellow flower on a Acacia ehrenbergiana(?) at entrance of Umm Bab in south-western Qatar, March 3, 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
 Desert Hyacinth (Cistanche tubulosa, Cistanche phelypaea, Lathraea phelypaea, local names zanoon, Wedaina) at entrance of Umm Bab in south-western Qatar, February 21, 2014
 Flower of Desert Hyacinth (Cistanche tubulosa, Cistanche phelypaea, Lathraea phelypaea, local names zanoon, Wedaina) at entrance of Umm Bab in south-western Qatar, February 21, 2014
 Flower buds of Desert Hyacinth (Cistanche tubulosa, Cistanche phelypaea, Lathraea phelypaea, local names zanoon, Wedaina) at entrance of Umm Bab in south-western Qatar, February 21, 2014
 Seetzenia lanata (Zygophyllum lanatum, Seetzenia africana, Seetzenia orientalis, local name Habyan) in sand near Umm Bab in south-western Qatar, February 21, 2014
 Desert species of morning glory (bindweed, Convolvulus cephalopodus) at entrance of Umm Bab in south-western Qatar, March 3, 2014
 Desert plant Seetzenia lanata (Zygophyllum lanatum, Seetzenia africana, Seetzenia orientalis, local name Habyan) in sand near Umm Bab in south-western Qatar, February 21, 2014
 common Mediterranean grass (Schismus barbatus) on roadside of a road from Khawzan to Al-Jumayliyah. Qatar, April 9, 2016
 Large black scorpion Fat Tail (Androctonus crassicauda) found under a metal sheet (thanks to F. G.) at entrance of Umm Bab in south-western Qatar, March 3, 2014
 Grass Pennisetum divisum on windblown sand in area of Jebel Al-Nakhsh (Khashm an Nakhsh). South-western Qatar, March 25, 2016
 Desert Hyacinth (Cistanche tubulosa, dhanoon, Tartuth) with a host plant Zygophyllum qatarense at entrance of Umm Bab in south-western Qatar, March 3, 2014
 Mesembryanthemum cryptanthum, (Mesembryanthemum forskahlii, Mesembryanthemum forsskaolii, Opophytum forsskaolii, local name ghasoul) in sand on a roadside near Umm Bab in south-western Qatar, February 21, 2014
 Desert Campion (Silene villosa, local name terba) in sand near Umm Bab in south-western Qatar, March 3, 2014
 Animal burrows in sand on a beach in the area of Al Hamala (Al Hamlah) near Umm Bab in south-western Qatar, November 29, 2014
 Mesembryanthemum cryptanthum, (Mesembryanthemum forskahlii, Mesembryanthemum forsskaolii, Opophytum forsskaolii, local name ghasoul) covered by sand in area of Umm Bab in south-western Qatar, February 21, 2014
 Spikelet of some grass on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
 Basal rosette emerging from sand of Dog s Paw plant (Camel s Eye, Gymnarrhena micrantha) near Umm Bab in south-western Qatar, March 3, 2014
 Yellow flowers of Dipterygium glaucum (Cleome pallida Kotschy, Dipterygium scabrum) at entrance of Umm Bab in south-western Qatar, March 3, 2014
 Spider with a nest on some grass on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
 Camelthorn bush (Alhagi maurorum) in sand on a beach in the area of Al Hamala (Al Hamlah) near Umm Bab in south-western Qatar, November 29, 2014
 Small yellow flowers of Dipterygium glaucum (Cleome pallida Kotschy, Dipterygium scabrum) at entrance of Umm Bab in south-western Qatar, March 3, 2014
 Rhodes grass (Chloris gayana) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
 Rhodes grass (Chloris gayana) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
 Rhodes grass (Chloris gayana) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
 Johnson grass (Sorghum halepense) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
 Bristly foxtail grass (Setaria verticillata) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
 Egyptian crowfoot grass (Dactyloctenium aegyptium) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
 Seeds of Johnson grass (Sorghum halepense) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
 Close up of seeds of Johnson grass (Sorghum halepense) taken from Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
 African foxtail grass (buffelgrass, Cenchrus pennisetiformis) on the border of Green Circles (center-pivot irrigation) in Irkhaya Farms. South-western Qatar, March 29, 2014
 Date palms (Phoenix dactylifera, local name nakheel) on a sand mound on a beach in the area of Al Hamala (Al Hamlah) near Umm Bab in south-western Qatar, November 29, 2014
 Sea shells on a beach near Umm Bab in south-western Qatar, February 21, 2014
 Sand pit trap of antlion larvae in a small wadi near Green Circles (center-pivot irrigation) in Irkhaya Farms. South-western Qatar, March 29, 2014
 Rostraria pumila(?) grass in silty depression on roadside of a road to Zubara in area of Thaghab Al Majda. North-western Qatar, February 28, 2014
 Tribulus macropterus var. arabicus on sand dunes near the spring in Maszhabiya (Al Mashabiya) Reserve near Abu Samra. Southern Qatar, February 26, 2016
 Tribulus macropterus var. arabicus in bloom on sand near the spring in Maszhabiya (Al Mashabiya) Reserve near Abu Samra. Southern Qatar, February 26, 2016
 Area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Animal carcass with dry maggots near Umm Bab in south-western Qatar, February 21, 2014
 Crushed sea shells on a beach near Umm Bab in south-western Qatar, February 21, 2014
 Small sea shells on a beach near Umm Bab in south-western Qatar, February 21, 2014
 Reddish-brown spikelets of Egyptian crowfoot grass (Dactyloctenium aegyptium) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, October 25, 2014
|