 Knucklehead Weed (Sclerocephalus arabicus, Paronychia sclerocephala, local names hasak, thereisa) near a road to Sawda Natheel in southern Qatar, February 11, 2014
 Knucklehead Weed (Sclerocephalus arabicus, Paronychia sclerocephala, local names hasak, thereisa) in sand near Trainah in southern Qatar, February 14, 2014
 Knucklehead Weed (Sclerocephalus arabicus, Paronychia sclerocephala, local names hasak, thereisa) on roadside of Dukhan Highway near Al Shakhaniya. Qatar, January 15, 2016
 Mat of Knucklehead Weed (Sclerocephalus arabicus, Paronychia sclerocephala, local names hasak, thereisa) in roadside depression near Dukhan Highway. Qatar, January 15, 2016
 Desert plant Medicago laciniata (Medicago polymorpha, local names nafal abu hasak, hassak, jet barri) near a road to Saudi Arabia in southern Qatar, February 11, 2014
 Flower of puncturevine (Caltrop, Tribulus terrestris, Tribulus lanuginosus, local name hasak) in sand near a road to Saudi Arabia in southern Qatar, February 11, 2014
 Desert plant Fagonia glutinosa (local names dereima, showeika, shaki, shoka) near a road to Saudi Arabia in southern Qatar, February 11, 2014
 Desert plant Launaea capitata (Zollikoferia glomerata, local names huwa, hazan) near a road to Saudi Arabia in southern Qatar, February 11, 2014
 Seeds of Brown Lily (Dipcadi erythraeum, Hyacinthus serotinus, local names mesailemo, besailemo) near a road to Saudi Arabia in southern Qatar, February 11, 2014
 Blooming Brown Lily (Dipcadi erythraeum, Hyacinthus serotinus, local names mesailemo, besailemo) near a road to Saudi Arabia in southern Qatar, February 11, 2014
 Prostrate desert plant Fagonia glutinosa (local names dereima, showeika, shaki, shoka) near a road to Saudi Arabia in southern Qatar, February 11, 2014
 Desert plant Arnebia hispidissima (Lithospermum hispidissimum, local names kahal, hasheshat al arnab) in sand near a road to Saudi Arabia in southern Qatar, February 11, 2014
 Maroon flowers of Brown Lily (Dipcadi erythraeum, Hyacinthus serotinus, local names mesailemo, besailemo) near a road to Saudi Arabia in southern Qatar, February 11, 2014
 Blooming Glossonema varians (Glossonema edule, local names attar, jarawa, yarawa) near a road to Saudi Arabia in southern Qatar, February 11, 2014
 Blooming desert plant Zygophyllum simplex (Tetraena simplex, local names Daa, harm, hureim) near a road to Saudi Arabia in southern Qatar, February 11, 2014
 Seedlings of Knucklehead Weed (Sclerocephalus arabicus) on roadside near Ras Laffan. Qatar, January 16, 2016
 Blooming 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
 Flowers of a desert heliotrope (turnsole, Heliotropium bacciferum, local names ramram, danab al agrab, Ramram) near a road to Saudi Arabia in southern Qatar, February 11, 2014
 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
 Close up of a seedling of Knucklehead Weed (Sclerocephalus arabicus) taken from a roadside near Ras Laffan. Qatar, January 16, 2016
 Blooming Spergula fallax (local name degaygah) in sand near a road to Saudi Arabia in southern Qatar, February 11, 2014
 Desert plant Aizoon canariense (local name jafna) near a road to Saudi Arabia in southern Qatar, February 11, 2014
 Star Fenugreek (Trigonella stellata, local name nafal barri) near a road to Saudi Arabia in southern Qatar, February 11, 2014
 Desert plant Seetzenia lanata (Zygophyllum lanatum, local name Habyan) near a road to Saudi Arabia in southern Qatar, February 11, 2014
 Desert plant Seetzenia lanata (Zygophyllum lanatum, local name Habyan) in sand near a road to Saudi Arabia in southern Qatar, February 11, 2014
 Desert plant with long pods of Greater bird s foot trefoil (Lotus halophilus, Lotus villosus, Lotus pusillis, local names garn al ghazal, harbeth, quroon al ghazal) in sand near a road to Saudi Arabia in southern Qatar, February 11, 2014
 Desert plant Sand button (creeping thorn rose, Neurada procumbens, local name saadan) near a road to Saudi Arabia in southern Qatar, February 11, 2014
 Caterpillar feast on Sand button (creeping thorn rose, Neurada procumbens, local name saadan) near a road to Saudi Arabia in southern Qatar, February 11, 2014
 Black caterpillars on Sand button (creeping thorn rose, Neurada procumbens, local name saadan) near a road to Saudi Arabia in southern Qatar, February 11, 2014
 Horseshoe vetch (Hippocrepis bicontorta, Hippocrepis areolata, local name umm ghurein) near a road to Saudi Arabia in southern Qatar, February 11, 2014
 Black caterpillars eating Sand button (creeping thorn rose, Neurada procumbens, local name saadan) near a road to Saudi Arabia in southern Qatar, February 11, 2014
 Feast of black caterpillars Sand button (creeping thorn rose, Neurada procumbens, local name saadan) near a road to Saudi Arabia in southern Qatar, February 11, 2014
 Prostrate desert spurge Euphorbia granulata (Euphorbia forsskaolii, local name lubaina) near a road to Saudi Arabia in southern Qatar, February 11, 2014
 Flowers of Horseshoe vetch (Hippocrepis bicontorta, Hippocrepis areolata, local name umm ghurein) in sand near a road to Saudi Arabia in southern Qatar, February 11, 2014
 Seeds of Horseshoe vetch (Hippocrepis bicontorta, Hippocrepis areolata, local name umm ghurein) in sand near a road to Saudi Arabia in southern Qatar, February 11, 2014
 Desert plant Medicago laciniata (Medicago polymorpha, local names nafal abu hasak, hassak, jet barri) with seeds near a road to Sawda Natheel in southern Qatar, February 11, 2014
 Astragalus eremophilus with a green caterpillar in sand near a road to Saudi Arabia in southern Qatar, February 11, 2014
 Star Fenugreek (Trigonella stellata) or Medicago(?) near a road to Saudi Arabia in southern Qatar, February 11, 2014
 Desert plant Lotononis platycarpa (Lotus platycarpus) in sand near a road to Saudi Arabia in southern Qatar, February 11, 2014
 Desert plant with tiny white flowers Ogastemma pusillum(?) near a road to Saudi Arabia in southern Qatar, February 11, 2014
 Desert plant Medicago laciniata (Medicago polymorpha, local names nafal abu hasak, hassak, jet barri) in sand near Trainah in southern Qatar, February 14, 2014
 Desert plant Medicago laciniata (Medicago polymorpha, local names nafal abu hasak, hassak, jet barri) with seeds in sand near Trainah in southern Qatar, February 14, 2014
 Desert plant purslane-leaved aizoon (Aizoon canariense) near a road to Saudi Arabia in southern Qatar, February 11, 2014
 Seedling of a desert plant Tetraena qatarense (Zygophyllum qatarense) near a road to Saudi Arabia in southern Qatar, February 11, 2014
 Desert plant purslane-leaved aizoon (Aizoon canariense) in sand near a road to Saudi Arabia in southern Qatar, February 11, 2014
 Desert plant purslane-leaved aizoon (Aizoon canariense) with fruits near a road to Saudi Arabia in southern Qatar, February 11, 2014
 Purple seedling of a desert plant Tetraena qatarense (Zygophyllum qatarense) in sand near a road to Saudi Arabia in southern Qatar, February 11, 2014
 Slender branches with small green flowers of Polycarpaea repens (Corrigiola repens) in sand near a road to Saudi Arabia in southern Qatar, February 11, 2014
 Purple seedling of a desert plant Tetraena qatarense (Zygophyllum qatarense) covered by sand near a road to Saudi Arabia in southern Qatar, February 11, 2014
 Dandelion like flower with maroon center of a desert plant Picris radicata (Picris asplenioides) near a road to Saudi Arabia in southern Qatar, February 11, 2014
 Medicago laciniata (Medicago polymorpha, Medicago aschersoniana, local names nafal abu hasak, hassak, jet barri) near Dukhan Road. Western Qatar, March 1, 2014
 Yellow flowers of Ochradenus baccatus (local names qardi, Qurdi) on a roadside of Abu Samra Road in southern Qatar, February 11, 2014
 Medicago laciniata (Medicago polymorpha, Medicago aschersoniana, local names nafal abu hasak, hassak, jet barri) with spherical fruits near Dukhan Road. Western Qatar, March 1, 2014
 Blooming Virgin s Hand (Anastatica hierochuntica, local names kaf mariam, jefaiea) on a roadside of Abu Samra Road in southern Qatar, February 11, 2014
 Medicago laciniata (Medicago polymorpha, Medicago aschersoniana, local names nafal abu hasak, hassak, jet barri) and a torpedo seed of Erodium near Dukhan Road. Western Qatar, March 1, 2014
 Silver Nailroot (Paronychia arabica, Illecebrum arabicum) on a roadside of Abu Samra Road in southern Qatar, February 11, 2014
 Desert plant Virgin s Hand (Anastatica hierochuntica, local names kaf mariam, jefaiea) near Sawda Natheel Road in southern Qatar, February 11, 2014
 Desert plant Launaea capitata (Zollikoferia glomerata, local names huwa, hazan) near a road to Sawda Natheel in southern Qatar, February 11, 2014
 Medicago laciniata (Medicago polymorpha, Medicago aschersoniana, local names nafal abu hasak, hassak, jet barri) and a stray torpedo seed of Erodium near Dukhan Road. Western Qatar, March 1, 2014
 Medicago laciniata (Medicago polymorpha, Medicago aschersoniana, local names nafal abu hasak, hassak, jet barri) and a torpedo seed of Erodium (at the bottom) near Dukhan Road. Western Qatar, March 1, 2014
 Flower of puncturevine (Caltrop, Tribulus terrestris, Tribulus lanuginosus, local name hasak) on a roadside in southern Qatar, February 11, 2014
 Puncturevine (Caltrop, Tribulus terrestris, Tribulus lanuginosus, local name hasak) in sand on roadside in southern Qatar, February 11, 2014
 Blooming puncturevine (Caltrop, Tribulus terrestris, Tribulus lanuginosus, local name hasak) on a roadside in southern Qatar, February 11, 2014
 Flowers of Silver Nailroot (Paronychia arabica, Illecebrum arabicum) on a roadside of Abu Samra Road in southern Qatar, February 11, 2014
 Silver Nailroot (Paronychia arabica, Illecebrum arabicum) in sand on a roadside of Abu Samra Road in southern Qatar, February 11, 2014
 Leaves of a desert plant Fagonia glutinosa (local names dereima, showeika, shaki, shoka) near a road to Sawda Natheel in southern Qatar, February 11, 2014
 Field of rotten desert gourd (Citrullus colocynthis, local names handal, shary, Handhal) on a roadside of Abu Samra Road in southern Qatar, February 11, 2014
 Rotten last year bitter gourd (Citrullus colocynthis, local names handal, shary, Handhal) on a roadside of Abu Samra Road in southern Qatar, February 11, 2014
 Flower of a desert plant Fagonia glutinosa (local names dereima, showeika, shaki, shoka) near a road to Sawda Natheel in southern Qatar, February 11, 2014
 Yellow flowers of puncturevine (Caltrop, Tribulus terrestris, Tribulus lanuginosus, local name hasak) on a roadside in southern Qatar, February 11, 2014
 Mat-forming prostrate desert plant Corchorus depressus (local names sutaih, rukbat al jamal, Mulakhiyah al bar) near Sawda Natheel Road in southern Qatar, February 11, 2014
 Plantain with large grain-like fruits (Plantago amplexicaulis, local names rablat al mistah, lesan al hamal) in a roadside depression of Abu Samra Road in southern Qatar, February 11, 2014
 Desert plant Zygophyllum simplex (Tetraena simplex, local names Daa, harm, hureim) near a road to Sawda Natheel in southern Qatar, February 11, 2014
 Desert borage Anchusa hispida (Gastrocotyle hispida, local names ainbacees, rims) near a road to Sawda Natheel in southern Qatar, February 11, 2014
 Desert plant of Zygophyllum simplex (Tetraena simplex, local names Daa, harm, hureim) near Sawda Natheel Road in southern Qatar, February 11, 2014
 Large grain-like fruits of desert plantain Plantago amplexicaulis (local names rablat al mistah, lesan al hamal) in a roadside depression of Abu Samra Road in southern Qatar, February 11, 2014
 Desert gourd Citrullus colocynthis (Cucumis colocynthis, local names handal, shary, Handhal) near a road to Sawda Natheel in southern Qatar, February 11, 2014
 Field of desert watermellons Citrullus colocynthis (Cucumis colocynthis, local names handal, shary, Handhal) near a road to Sawda Natheel in southern Qatar, February 11, 2014
 Flower of desert gourd Citrullus colocynthis (Cucumis colocynthis, local names handal, shary, Handhal) near a road to Sawda Natheel in southern Qatar, February 11, 2014
 Yellow flower of a desert plant Zygophyllum simplex (Tetraena simplex, local names Daa, harm, hureim) in a roadside depression of Abu Samra Road in southern Qatar, February 11, 2014
 Desert gourd Citrullus colocynthis (bitter apples, Cucumis colocynthis, local names handal, shary, Handhal) near a road to Sawda Natheel in southern Qatar, February 11, 2014
 Alfalfa (Medicago sativa, local names jet, barseem) on roadside in southern Qatar, February 14, 2014
 Blooming bush of Pulicaria undulata (Francoeruria crispa, Pulicaria crispa, local names jithjath, yethyas) on a roadside of Abu Samra Road in southern Qatar, February 11, 2014
 Cornulaca monacantha (local names thalj, thallaj) in sand dunes near Inland Sea Road. Southern Qatar, March 5, 2014
 Alfalfa (lucerne, Medicago sativa, local names jet, barseem) in Trainah in southern Qatar, February 14, 2014
 Bush of Cornulaca monacantha (local names thalj, thallaj) in sand dunes near Inland Sea Road. Southern Qatar, March 5, 2014
 Blooming desert plant Launaea capitata (Launaea glomerata, Zollikoferia glomerata, local names huwa, hazan) in sand near a road to Sawda Natheel in southern Qatar, February 11, 2014
 Desert plant Cornulaca monacantha (local names thalj, thallaj) in sand dunes near Inland Sea Road. Southern Qatar, March 5, 2014
 Fagonia indica (local names dereima, showeika, shaki, shoka) in sand near Trainah in southern Qatar, February 14, 2014
 Virgin s Hand plant (Anastatica hierochuntica local names kaf mariam, jefaiea) near Harrarah in southern Qatar, February 14, 2014
 Virgin s Hand plant (Anastatica hierochuntica local names kaf mariam, jefaiea) in sand near Trainah in southern Qatar, February 14, 2014
 Plantain Plantago amplexicaulis (local names rablat al mistah, lesan al hamal) in sand near Trainah in southern Qatar, February 14, 2014
 Prickly Dock (Emex spinosa, Rumex spinosus, local names drs al ajooz, hanzab) on a roadside in southern Qatar, February 11, 2014
 Desert plant Virgin s Hand (Anastatica hierochuntica, local names kaf mariam, jefaiea) in sand near Trainah in southern Qatar, February 14, 2014
 Prickly Dock (Emex spinosa, Rumex spinosus, local names drs al ajooz, hanzab) in sand on a roadside in southern Qatar, February 11, 2014
 Woody branches of Virgin s Hand plant (Anastatica hierochuntica, local names kaf mariam, jefaiea) taken from Trainah in southern Qatar, February 14, 2014
 Prickly Dock (Emex spinosa, Rumex spinosus, local names drs al ajooz, hanzab) in sand near Trainah in southern Qatar, February 14, 2014
 Plantain with large grain like fruits (Plantago amplexicaulis, local names rablat al mistah, lesan al hamal) in Trainah in southern Qatar, February 14, 2014
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