 Coriander (Coriandrum sativum) in a roadside vegetable garden near Harrarah in southern Qatar, February 14, 2014
 Lepidium aucheri in a roadside depression of Abu Samra Road in southern Qatar, February 11, 2014
 Fruits of Swine cress (Lepidium didymum) near Al Bidda Park. Doha, Qatar, March 7, 2014
 Swine cress (Lepidium didymum) on a lawn near Al Bidda Park. Doha, Qatar, March 7, 2014
 Shoot of Swine cress (Lepidium didymum) near Al Bidda Park. Doha, Qatar, March 7, 2014
 Pepper-grass (Lepidium aucheri) on roadside of Salwa Road in south-western Qatar, February 21, 2014
 Leaf of Swine cress (Lepidium didymum) taken from gardens of Sheraton Hotel in West Bay. Doha, Qatar, January 26, 2016
 Rosette of lesser swine-cress (Lepidium didymum) on a golf course on campus of Texas A and M University. College Station, Texas, February 14, 2021
 Buds of lesser swine-cress (Lepidium didymum) on a golf course on campus of Texas A and M University. College Station, Texas, February 14, 2021
 Icy rosettes of lesser swine-cress (Lepidium didymum) on a golf course on campus of Texas A and M University. College Station, Texas, February 14, 2021
 Prostrate shoots of lesser swine-cress (Lepidium didymum) on a golf course on campus of Texas A and M University. College Station, Texas, February 14, 2021
 Argentine peppercress (Lepidium bonariense) on roadside depression of Salwa Road in south-western Qatar, March 3, 2014
 Seeds of Argentine peppercress (Lepidium bonariense) on roadside of Salwa Road in south-western Qatar, March 3, 2014
 Seeds of Argentine peppercress (Lepidium bonariense) on roadside of Salwa Road, south-west from Doha. Qatar, April 23, 2014
 Argentine peppercress (Lepidium bonariense) with seeds on roadside of Salwa Road, south-west from Doha. Qatar, April 23, 2014
 Some dry tumbleweed in a roadside depression of Abu Samra Road in southern Qatar, February 11, 2014
 Bladderdock (Rumex vesicarius, local name homeid) on roadside in southern Qatar, February 14, 2014
 Morning glory (bindweed, Convolvulus arvensis(?)) on roadside in southern Qatar, February 14, 2014
 Blooming Spergula fallax (local name degaygah) in a roadside depression in southern Qatar, February 11, 2014
 Alfalfa (Medicago sativa, local names jet, barseem) on roadside in southern Qatar, February 14, 2014
 Blooming Spergula fallax (local name degaygah) on a roadside of Abu Samra Road in southern Qatar, February 11, 2014
 Silver Nailroot (Paronychia arabica, Illecebrum arabicum) on a roadside of Abu Samra Road 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
 Blooming silver-sheath knotweed (Polygonum argyrocoleon) in a roadside depression of Abu Samra Road in southern Qatar, February 11, 2014
 Yellow flowers of Ochradenus baccatus (local names qardi, Qurdi) on a roadside of Abu Samra Road in southern Qatar, February 11, 2014
 Prickly Dock (Emex spinosa, Rumex spinosus, local names drs al ajooz, hanzab) on a roadside in southern Qatar, February 11, 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
 Prickly Dock (Emex spinosa, Rumex spinosus, local names drs al ajooz, hanzab) in sand on a roadside in southern Qatar, February 11, 2014
 Seedling of a desert plant Tetraena qatarense (Zygophyllum qatarense) in sand on a roadside 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
 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
 Seedling of a desert plant Tetraena qatarense (Zygophyllum qatarense) on a roadside of Abu Samra Road 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
 Flower of puncturevine (Caltrop, Tribulus terrestris, Tribulus lanuginosus, local name hasak) on a roadside in southern Qatar, February 11, 2014
 Flowers of Zilla spinosa (Bunias spinosa, local name shabram) on a roadside of Abu Samra Road in southern Qatar, February 11, 2014
 Shoot of purslane-leaved aizoon (Aizoon canariense) in a roadside depression of Abu Samra Road 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 bush of Zilla spinosa (Bunias spinosa, local name shabram) on a roadside of Abu Samra Road 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
 White flowers of Malva parviflora (Malva flexuosa, local name khubaiza) on a roadside of Abu Samra Road in southern Qatar, February 11, 2014
 Close up of flowers of Zilla spinosa (Bunias spinosa, local name shabram) on a roadside of Abu Samra Road in southern Qatar, February 11, 2014
 Desert plant purslane-leaved aizoon (Aizoon canariense) in a roadside depression of Abu Samra Road in southern Qatar, February 11, 2014
 Dense flowers of Zilla spinosa (Bunias spinosa, local name shabram) on a roadside of Abu Samra 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
 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
 Coriander (Coriandrum sativum) on Al Maha Street in Al Luqta area. Doha, Qatar, February 24, 2016
 Blooming coriander (Coriandrum sativum) on Al Maha Street in Al Luqta area. Doha, Qatar, February 24, 2016
 Flowers of coriander (Coriandrum sativum) on Al Maha Street in Al Luqta area. Doha, Qatar, February 24, 2016
 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
 Close up of flowers of coriander (Coriandrum sativum) on Al Maha Street in Al Luqta area. Doha, Qatar, February 24, 2016
 Violet flowers of Sand Spurry (Spergularia diandra, Arenaria diandra, Spergula diandra, local name degaygah) in a roadside depression of Abu Samra Road in southern Qatar, February 11, 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
 Flowers of Senna italica (Cassia) on roadside near Trainah. Southern Qatar, November 7, 2014
 Green seed pod of Senna italica (Cassia) on roadside near Trainah. Southern Qatar, November 7, 2014
 Flower of desert gourd Citrullus colocynthis taken from roadside of Salwa Road. Southern Qatar, November 29, 2014
 Chrysopogon plumulosus on roadside of a road to Sawda Natheel. Southern Qatar, February 5, 2016
 Sandy desert on roadside of a road to Sawda Natheel. Southern Qatar, February 5, 2016
 Argentine peppercress (Lepidium bonariense) in Irkhaya Farms. South-western Qatar, March 29, 2014
 Acacia tortilis(?) in a desert on roadside of a road to Sawda Natheel. Southern Qatar, February 5, 2016
 Leptadenia pyrotechnica in a desert on roadside of a road to Sawda Natheel. Southern Qatar, February 5, 2016
 Flint stones in a desert on roadside of a road to Sawda Natheel. Southern Qatar, February 5, 2016
 Limestone rocks in a desert on roadside of a road to Sawda Natheel. Southern Qatar, February 5, 2016
 Rosette of green leaves of Argentine peppercress (Lepidium bonariense) near Dukhan Road. Western Qatar, March 1, 2014
 Haplophyllum tuberculatum (local name Meseika) in a desert on roadside of a road to Sawda Natheel. Southern Qatar, February 5, 2016
 Black flint stones covering surface of a desert on roadside of a road to Sawda Natheel. Southern Qatar, February 5, 2016
 Eremobium aegyptiacum in windblown sand on roadside of Salwa Road in area of Rawdat Ekdaim. Southern Qatar, February 26, 2016
 Wire grass Ochthochloa compressa (local name Hamrah) on roadside of Sawda Natheel Road. Southern Qatar, February 26, 2016
 Shoot of Haplophyllum tuberculatum (local name Meseika) in a desert on roadside of a road to Sawda Natheel. Southern Qatar, February 5, 2016
 Blooming Eremobium aegyptiacum in windblown sand on roadside of Salwa Road in area of Rawdat Ekdaim. Southern Qatar, February 26, 2016
 Wire grass Ochthochloa compressa (local name Hamrah) in sand on roadside of Sawda Natheel Road. Southern Qatar, February 26, 2016
 Seedling of bitter gourd (Citrullus colocynthis) on roadside of a road to Umm Hota Village, near Sawda Natheel. Southern Qatar, February 5, 2016
 Wire grass Ochthochloa compressa (local name Hamrah) with spikes on roadside of Sawda Natheel Road. Southern Qatar, February 26, 2016
 Sedge (Cyperus conglomeratus) in windblown sand on roadside of Salwa Road in area of Rawdat Ekdaim. Southern Qatar, February 26, 2016
 Pebbles near Harrarah in southern Qatar, February 14, 2014
 Argentine peppercress (Lepidium bonariense)(?) on Green Circles (center-pivot irrigation) in Irkhaya Farms. South-western Qatar, March 29, 2014
 Blooming sedge (Cyperus conglomeratus) in windblown sand on roadside of Salwa Road in area of Rawdat Ekdaim. Southern Qatar, February 26, 2016
 Spikes of sedge (Cyperus conglomeratus) in windblown sand on roadside of Salwa Road in area of Rawdat Ekdaim. Southern Qatar, February 26, 2016
 Animal droppings near Harrarah in southern Qatar, February 14, 2014
 Limestone escarpments near Harrarah in southern Qatar, February 14, 2014
 Small wadi near Harrarah in southern Qatar, February 14, 2014
 Desert pavement near Harrarah in southern Qatar, February 14, 2014
 Argentine peppercress (Lepidium bonariense) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
 Crested form (abnormal growth, forma cristata) of bindweed (Convolvulus pilosellifolius)(?) on roadside of a road to Sawda Natheel. Southern Qatar, February 5, 2016
 Seedling of pepper-grass (Lepidium aucheri) in mud near a road to Zubara in area of Al Magdah farms. Northern Qatar, February 13, 2016
 Shoots of pepper-grass (Lepidium aucheri) near a road to Zubara in area of Al Magdah farms. Northern Qatar, February 13, 2016
 Seeds of Argentine peppercress (Lepidium bonariense) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
 Ifloga spicata(?) in sand near Trainah in southern Qatar, February 14, 2014
 Rosette of leaves in sand near Trainah in southern Qatar, February 14, 2014
 Filago desertorum (local name quTeyna) in southern Qatar, February 14, 2014
 Desert pavement by pebbles near Harrarah in southern Qatar, February 14, 2014
 Milkweed Glossonema varians near Harrarah in southern Qatar, February 14, 2014
 Seedling of pepper-grass (Lepidium aucheri) in silt near a road to Zubara in area of Al Magdah farms. Northern Qatar, February 13, 2016
 Blooming seedlings of pepper-grass (Lepidium aucheri) in mud near a road to Zubara in area of Al Magdah farms. Northern Qatar, February 13, 2016
 Young plant of pepper-grass (Lepidium aucheri) in mud near a road to Zubara in area of Al Magdah farms. Northern Qatar, February 13, 2016
 Rosette of leaves of pepper-grass (Lepidium aucheri) in mud near a road to Zubara in area of Al Magdah farms. Northern Qatar, February 13, 2016
 Coriander (Coriandrum sativum) taken from Al Luqta area. Doha, Qatar, March 13, 2015
 Filago desertorum (local name quTeyna) with flowers in southern Qatar, February 14, 2014
 Desert plant Launaea(?) in sand near Trainah in southern Qatar, February 14, 2014
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