 Blooming silver-sheath knotweed (Polygonum argyrocoleon) in a roadside depression of Abu Samra Road in southern Qatar, February 11, 2014
 Horsetail knotweed (Polygonum equisetiforme, local name qadab) in a depression near Salwa Road, south-west from Doha. Qatar, April 23, 2014
 Flowers of Silver Nailroot (Paronychia arabica, Illecebrum arabicum) on a roadside of Abu Samra Road in southern Qatar, February 11, 2014
 White flowers of fenugreek (Trigonella foenum-graecum) on roadside of Salwa Road. Qatar, February 14, 2014
 Spikes of sedge (Cyperus conglomeratus) in windblown sand on roadside of Salwa Road in area of Rawdat Ekdaim. Southern Qatar, February 26, 2016
 Flowers of Moltkiopsis ciliata (Lithospermum ciliatum, Lithospermum angustifolium, local names halam, Ghabshah) on roadside of Salwa Road in south-western Qatar, February 21, 2014
 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
 Pulicaria undulata with flowers on roadside of Salwa Road, south-west from Doha. Qatar, April 23, 2014
 Flowers of Picris cyanocarpa on roadside of Salwa Road, south-west from Doha. Qatar, April 23, 2014
 Aerva javanica with woolly flowers on roadside of Salwa Road, south-west from Doha. Qatar, April 23, 2014
 Floccise woolly flowers of Aerva javanica on roadside of Salwa Road, south-west from Doha. Qatar, April 23, 2014
 Small white flowers of Acacia tortilis(?) on roadside of Salwa Road, south-west from Doha. Qatar, April 23, 2014
 Yellow flowers of Acacia ehrenbergiana on roadside of Salwa Road near Karaana, south-west from Doha. Qatar, April 23, 2014
 Bladderdock (Rumex vesicarius, local name homeid) on a roadside of Salwa Road. Qatar, February 14, 2014
 Wire grass (Ochthochloa compressa, local name Hamrah) with spikes in windblown sand on roadside of Salwa Road in area of Khashem Al Nekhsh. Southern Qatar, March 18, 2016
 Bushy bindweed (Convolvulus prostratus) with white flowers on roadside of Salwa Road, south-west from Doha. Qatar, April 23, 2014
 Floccise woolly flowers of Aerva javanica (Aerva persica, Iresine javanica, local names towayim, tarfa, tirf, Tuwaim) on roadside of Salwa Road in south-western Qatar, February 21, 2014
 Pepper-grass (Lepidium aucheri) on roadside of Salwa Road in south-western Qatar, February 21, 2014
 Saltwort (Salsola vermiculata(?), local name hamd) on roadside of Salwa Road in south-western Qatar, February 21, 2014
 Mating pitted darkling beetles (Adesmia cancellata) on roadside of Salwa Road in south-western Qatar, February 21, 2014
 Herniaria hemistemon (local name Ghebayra) with tiny leaves on roadside of Salwa Road in south-western Qatar, February 21, 2014
 Desert species of Morning glory (Convolvulus cephalopodus?) on roadside of Salwa Road in south-western Qatar, February 21, 2014
 Centaurea sinaica (local names birkan, murrar) with seeds and flowers on roadside of Salwa Road near Karaana, south-west from Doha. Qatar, April 23, 2014
 Desert heliotrope (turnsole, Heliotropium bacciferum, local name Ramram) on roadside of Salwa Road in south-western Qatar, February 21, 2014
 Flower of a desert species of Morning glory (Convolvulus cephalopodus?) on roadside of Salwa Road in south-western Qatar, February 21, 2014
 Slim terminal spikes of lineleaf whitepuff (Oligomeris linifolia) taken from area near Al Khor Hospital. Qatar, February 14, 2015
 Terminal spikes of common beet (Beta vulgaris, local name bangar) in Rawdat Al Faras Research Station (RAFRS) near Al Zubara Road. Qatar, April 29, 2016
 Spikes of stinkgrass (Eragrostis cilianensis) in a roadside depression of Khawzan Road. Qatar, February 20, 2016
 Prickly Dock (Emex spinosa, Rumex spinosus, local names drs al ajooz, hanzab) on roadside of Salwa Road in south-western Qatar, February 21, 2014
 Desert plant purslane-leaved aizoon (Aizoon canariense) on roadside of Salwa Road in south-western Qatar, February 21, 2014
 Spikes of spear grass (Stipa capensis) in a roadside depression of Khawzan Road. Qatar, February 20, 2016
 Brown spikes of candy grass (Eragrostis cilianensis) in a roadside depression of Khawzan Road. Qatar, February 20, 2016
 Blooming Zygophyllum simplex (Tetraena simplex, local names Daa, harm, hureim) on roadside of Salwa Road in south-western Qatar, February 21, 2014
 Blooming Moltkiopsis ciliata (Lithospermum ciliatum, Lithospermum angustifolium, local names halam, Ghabshah) on roadside of Salwa Road in south-western Qatar, February 21, 2014
 Wire grass Ochthochloa compressa (local name Hamrah) with spikes on roadside of Sawda Natheel Road. Southern Qatar, February 26, 2016
 Flowers with papery sheath of Parks jointweed (Polygonella parksii) on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, September 20, 2008
 Desert plant Moltkiopsis ciliata (Lithospermum ciliatum, Lithospermum angustifolium, local names halam, Ghabshah) on roadside of Salwa Road in south-western Qatar, February 21, 2014
 Spikes of grass Rostraria pumila taken from a dried silty depression on roadside of a road to Zubara, near Darwish Farm. Northern Qatar, February 6, 2016
 Flowers of tamarisk (Tamarix aucheriana) on roadside of Salwa Road near Abu Samra. Southern Qatar, March 4, 2016
 Launaea capitata (Launaea glomerata, Zollikoferia glomerata, local names huwa, hazan) on roadside of Salwa Road in south-western Qatar, February 21, 2014
 Pulicaria undulata on roadside of Salwa Road, south-west from Doha. Qatar, April 23, 2014
 Blooming Pulicaria undulata (Francoeruria crispa, Pulicaria crispa, local names jithjath, yethyas) on roadside of Salwa Road in south-western Qatar, February 21, 2014
 Fagonia tenuifolia with flowers on roadside of a road to Zubara in Al Magdah farms area, in north-western Qatar, February 22, 2014
 Vegetation in a depression on roadside of Salwa Road near Karaana, south-west from Doha. Qatar, April 23, 2014
 Blooming Pulicaria undulata on roadside of Salwa Road, south-west from Doha. Qatar, April 23, 2014
 Flower of desert gourd Citrullus colocynthis taken from roadside of Salwa Road. Southern Qatar, November 29, 2014
 Peeling dried clay on roadside of Salwa Road, south-west from Doha. Qatar, April 23, 2014
 Glasswort (Salsola imbricata) on roadside of Salwa Road near Mukaynis. Qatar, February 5, 2016
 Yellow flowers of Ochradenus baccatus (local names qardi, Qurdi) on a roadside of Abu Samra Road in southern Qatar, February 11, 2014
 Fagonia indica with flowers in windblown sand on roadside of Salwa Road in area of Rawdat Ekdaim. Southern Qatar, April 11, 2015
 Desert plant Picris cyanocarpa(?) on roadside of Salwa Road, south-west from Doha. Qatar, April 23, 2014
 Bushy bindweed (Convolvulus prostratus) on roadside of Salwa Road, south-west from Doha. Qatar, April 23, 2014
 Puncturevine (Caltrop, Tribulus terrestris) on roadside of Salwa Road, south-west from Doha. Qatar, April 23, 2014
 Seeds of Argentine peppercress (Lepidium bonariense) on roadside of Salwa Road in south-western Qatar, March 3, 2014
 Blooming Cornulaca monacantha(?) on roadside of Salwa Road near Karaana, south-west from Doha. Qatar, April 23, 2014
 Suaeda aegyptiaca(?) with seeds on roadside of Salwa Road near Karaana, south-west from Doha. Qatar, April 23, 2014
 Taking pictures of plants on roadside of Salwa Road near Karaana, south-west from Doha. Qatar, April 23, 2014
 Argentine peppercress (Lepidium bonariense) on roadside depression of Salwa Road in south-western Qatar, March 3, 2014
 Common tumbleweed (Amaranthus albus) on roadside of Salwa Road near Mukaynis. Qatar, February 5, 2016
 Launaea mucronata (local name Huwa ghazal) with flowers in sand on roadside of Salwa Road in area of Khashem Al Nekhsh. Qatar, March 21, 2015
 Eremobium aegyptiacum with flowers and fruits in windblown sand on roadside of Salwa Road in area of Rawdat Ekdaim. Southern Qatar, April 11, 2015
 Blooming Ribwort Plantain (Plantago lanceolata) 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
 Seeds of Argentine peppercress (Lepidium bonariense) on roadside of Salwa Road, south-west from Doha. Qatar, April 23, 2014
 Ribwort Plantain (Plantago lanceolata) in sand on roadside of Salwa Road, south-west from Doha. Qatar, April 23, 2014
 Dry seeds of Zilla spinosa on the ground on roadside of Salwa Road near Karaana, south-west from Doha. Qatar, April 23, 2014
 Shoots of giant knotweed (Polygonum sachalinense) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 9, 2017
 Launaea mucronata (local name Huwa ghazal) with flowers in windblown sand on roadside of Salwa Road in area of Khashem Al Nekhsh. Qatar, April 8, 2016
 Flower spike of Ribwort Plantain (Plantago lanceolata) on roadside of Salwa Road, south-west from Doha. Qatar, April 23, 2014
 Dill (Anethum graveolens, local names ein jarada, shabat) on roadside of Salwa Road in south-western Qatar, March 3, 2014
 Fruits of Zilla spinosa carpeting the ground on roadside of Salwa Road near Karaana, south-west from Doha. Qatar, April 23, 2014
 Pink young plant of Bienertia cycloptera with small fruits of flowers taken from roadside of Salwa Road in Abu Samra, near Saudi border. Southern Qatar, March 21, 2015
 Terminal spikes of lineleaf whitepuff (Oligomeris linifolia) taken from area near Barzan Towers. Doha, Qatar, March 7, 2015
 Oval seed pods of chickpea (Cicer arietinum) on roadside of Salwa Road near Karaana, south-west from Doha. Qatar, April 23, 2014
 Round dry seed capsules (fruits) of flax (Linum usitatissimum) on roadside of Salwa Road, south-west from Doha. Qatar, April 23, 2014
 Accumulation of sand around desert plants of Pulicaria and Zygophyllum on roadside of Salwa Road near Karaana, south-west from Doha. Qatar, April 23, 2014
 Seeds of dill (Anethum graveolens, local names ein jarada, shabat) on roadside of Salwa Road in south-western Qatar, March 3, 2014
 Flowers of Zilla spinosa (Bunias spinosa, local name shabram) on a roadside of Abu Samra Road in southern Qatar, February 11, 2014
 Flowers of Zilla spinosa (Bunias spinosa, local name shabram) on roadside of Salwa Road near Karaana. Qatar, January 22, 2016
 Eremobium aegyptiacum in windblown sand on roadside of Salwa Road in area of Rawdat Ekdaim. Southern Qatar, February 26, 2016
 Bindweed (Convolvulus fatmensis) in windblown sand on roadside of Salwa Road in area of Khashem Al Nekhsh. Qatar, February 26, 2016
 Smartweed (Curly-top knotweed, Polygonum tomentosum, Persicaria lapathifolia, Russian name Gorets) in Pavlovsk Park, south from Saint Petersburg, Russia, June 23, 2010
 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
 Dense flowers of Zilla spinosa (Bunias spinosa, local name shabram) on a roadside of Abu Samra Road in southern Qatar, February 11, 2014
 Desert Campion (Silene villosa, local name terba) with flowers in windblown sand on roadside of Salwa Road in area of Khashem Al Nekhsh. Southern Qatar, March 18, 2016
 Flowers of desert campion (Silene villosa, local name terba) in windblown sand on roadside of Salwa Road in area of Khashem Al Nekhsh. Southern Qatar, April 29, 2016
 Aerva javanica (local names towayim, tarfa, tirf, Tuwaim) on roadside of Salwa Road, south-west from Doha. Qatar, April 23, 2014
 Centaurea sinaica (local names birkan, murrar) with seeds on roadside of Salwa Road near Karaana, south-west from Doha. Qatar, April 23, 2014
 Almost dry Centaurea sinaica (local names birkan, murrar) with seeds on roadside of Salwa Road near Karaana, south-west from Doha. Qatar, April 23, 2014
 Slim terminal spikes of lineleaf whitepuff (Oligomeris linifolia) taken from area near Barzan Towers. Doha, Qatar, March 7, 2015
 Fruits of Tribulus macropterus(?) taken from a roadside of roadside of Salwa Road near Abu Nakhlah. Qatar, December 11, 2015
 Sedge (Cyperus conglomeratus) in windblown sand on roadside of Salwa Road in area of Rawdat Ekdaim. Southern Qatar, February 26, 2016
 Bindweed (Convolvulus fatmensis) with a flower in windblown sand on roadside of Salwa Road in area of Khashem Al Nekhsh. Qatar, February 26, 2016
 Blooming Eremobium aegyptiacum in windblown sand on roadside of Salwa Road in area of Rawdat Ekdaim. Southern Qatar, February 26, 2016
 Blooming bindweed (Convolvulus fatmensis) in windblown sand on roadside of Salwa Road in area of Khashem Al Nekhsh. Qatar, February 26, 2016
 Flowers of false sowthistle (Reichardia tingitana, local name Hawzan or mureer, Hawdhan) on roadside of a road to Zubara, area of Al Magdah farms (Thaghab Al Majda). Qatar, February 28, 2014
 Wilted flowers of Desert Campion (Silene villosa, local name terba) in windblown sand on roadside of Salwa Road in area of Khashem Al Nekhsh. Southern Qatar, March 18, 2016
|