 Flowers on terminal spikes of silver-sheath knotweed (Polygonum argyrocoleon) on a roadside of Salwa Road. Qatar, February 14, 2014
 Blooming silver-sheath knotweed (Polygonum argyrocoleon) in a roadside depression of Abu Samra Road in southern Qatar, February 11, 2014
 Vegetation in a depression on roadside of Salwa Road near Karaana, south-west from Doha. Qatar, April 23, 2014
 Aerva javanica (Aerva persica, Iresine javanica, local names towayim, tarfa, tirf, Tuwaim) in a depression on roadside of Salwa Road near Karaana (Karana, Al Kiranah), 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
 Centaurea sinaica (local names birkan, murrar) with seeds on roadside of Salwa Road near Karaana, south-west from Doha. Qatar, April 23, 2014
 Aerva javanica (local names towayim, tarfa, tirf, Tuwaim) on roadside of Salwa Road, south-west from Doha. Qatar, April 23, 2014
 Seed pods of milkweed Glossonema varians (local names jarawa, yarawa) on roadside of Salwa Road, south-west from Doha. Qatar, April 23, 2014
 Blooming Virgin s Hand (Anastatica hierochuntica, local names kaf mariam, jefaiea) on roadside of Salwa Road, south-west from Doha. Qatar, April 23, 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
 Virgin s Hand (Anastatica hierochuntica, local names kaf mariam, jefaiea) in sand on roadside of Salwa Road, south-west from Doha. Qatar, April 23, 2014
 Alfalfa (lucerne, Medicago sativa, local names jet, barseem) in sand on roadside of Salwa Road near Karaana, south-west from Doha. Qatar, April 23, 2014
 Seeds of Virgin s Hand (Anastatica hierochuntica, local names kaf mariam, jefaiea) in sand on roadside of Salwa Road, south-west from Doha. Qatar, April 23, 2014
 Fluffy seeds of distaff-thistle (Atractylis carduus, local names jalwa, laymoony, shuwwaykh) on roadside of Salwa Road, south-west from Doha. Qatar, April 23, 2014
 Large bush of Zilla spinosa (Bunias spinosa, local name shabram) on roadside of Salwa Road near Karaana, south-west from Doha. Qatar, April 23, 2014
 Blooming Centaurea sinaica (Centaurea pseudosinaica, Amberboa crupioides, local names birkan, murrar) on roadside of Salwa Road near Karaana, south-west from Doha. Qatar, April 23, 2014
 Shoot of desert gourd Citrullus colocynthis (bitter apples, Cucumis colocynthis, local names handal, shary, Handhal) on roadside of Salwa Road near Karaana, south-west from Doha. Qatar, April 23, 2014
 Leaves of desert gourd Citrullus colocynthis (bitter apples, Cucumis colocynthis, local names handal, shary, Handhal) on roadside of Salwa Road near Karaana, south-west from Doha. Qatar, April 23, 2014
 Pulicaria undulata on roadside of Salwa Road, south-west from Doha. Qatar, April 23, 2014
 Pulicaria undulata with flowers on roadside of Salwa Road, south-west from Doha. Qatar, April 23, 2014
 Blooming Pulicaria undulata 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
 Peeling dried clay on roadside of Salwa Road, south-west from Doha. Qatar, April 23, 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
 Desert plant Picris cyanocarpa(?) 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
 Bushy bindweed (Convolvulus prostratus) 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
 Dry seeds of Zilla spinosa on the ground on roadside of Salwa Road near Karaana, 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
 Argentine peppercress (Lepidium bonariense) with seeds 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
 Floccise woolly flowers of Aerva javanica 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
 Seeds of Argentine peppercress (Lepidium bonariense) on roadside of Salwa Road, south-west from Doha. Qatar, April 23, 2014
 Blooming Ribwort Plantain (Plantago lanceolata) on roadside of Salwa Road, south-west from Doha. Qatar, April 23, 2014
 Fruits of Zilla spinosa carpeting the ground on roadside of Salwa Road near Karaana, south-west from Doha. Qatar, April 23, 2014
 Flower spike of Ribwort Plantain (Plantago lanceolata) on roadside of Salwa Road, south-west from Doha. Qatar, April 23, 2014
 Bushy bindweed (Convolvulus prostratus) with white flowers on roadside of Salwa Road, south-west from Doha. Qatar, April 23, 2014
 Oval seed pods of chickpea (Cicer arietinum) on roadside of Salwa Road near Karaana, 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
 Round dry seed capsules (fruits) of flax (Linum usitatissimum) on roadside of Salwa Road, south-west from Doha. Qatar, April 23, 2014
 Dry fruits (long-beaked siliqua) of field mustard (Brassica rapa) on roadside of Salwa Road near Karaana, south-west from Doha. Qatar, April 23, 2014
 Desert Shaggy Mane mushroom (Black Powderpuff, Podaxis pistillaris(?)) in sand on roadside of Salwa Road near Karaana, south-west from Doha. Qatar, April 23, 2014
 Desert Shaggy Mane mushrooms (Black Powderpuff, Podaxis pistillaris(?)) in sand on roadside of Salwa Road near Karaana, south-west from Doha. Qatar, April 23, 2014
 Wire grass Ochthochloa compressa (local name Hamrah) in a roadside depression near Salwa Road. Qatar, April 22, 2016
 Fruits of Zygophyllum simplex (Tetraena simplex, harm, hureim) on roadside of Salwa Road near Karaana, south-west from Doha. Qatar, April 23, 2014
 Zygophyllum simplex (Tetraena simplex, harm, hureim) forming a sand mound on roadside of Salwa Road, south-west from Doha. Qatar, April 23, 2014
 Virgin s Hand plant (Anastatica hierochuntica local names kaf mariam, jefaiea) in a roadside depression near Salwa Road. Qatar, April 22, 2016
 Argentine peppercress (Lepidium bonariense) on roadside depression of Salwa Road in south-western Qatar, March 3, 2014
 Shrubby Horsetail (Ephedra foliata, Ephedra ciliata, local name alanda) taken from Yoodah depression near Al Zubara Road. Northern Qatar, March 12, 2016
 Shrubby Horsetail (Ephedra foliata, Ephedra ciliata, local name alanda) with flowers in Yoodah depression near Al Zubara Road. Northern Qatar, March 26, 2016
 Fruits of shrubby horsetail (Ephedra foliata, Ephedra ciliata, local name alanda) taken from Yoodah depression near Al Zubara Road. Northern Qatar, March 26, 2016
 Saltwort (Salsola vermiculata(?), local name hamd) on roadside of Salwa Road in south-western Qatar, February 21, 2014
 Shrubby Horsetail (Ephedra foliata, Ephedra ciliata, local name alanda) growing on bushes of Ziziphus nummularia and Lycium in Yoodah depression near Al Zubara Road. Northern Qatar, March 26, 2016
 Herniaria hemistemon (local name Ghebayra) with tiny leaves on roadside of Salwa Road in south-western Qatar, February 21, 2014
 Dill (Anethum graveolens, local names ein jarada, shabat) on roadside of Salwa Road in south-western Qatar, March 3, 2014
 Desert heliotrope (turnsole, Heliotropium bacciferum, local name Ramram) on roadside of Salwa Road in south-western Qatar, February 21, 2014
 Shrubby Horsetail (Ephedra foliata, Ephedra ciliata, local name alanda) growing on bushes of Ziziphus in a silty depression on roadside of a road to Zubara, area of Al Magdah farms. Northern Qatar, February 27, 2016
 Seeds of dill (Anethum graveolens, local names ein jarada, shabat) on roadside of Salwa Road in south-western Qatar, March 3, 2014
 Prostrate plant of Fagonia bruguieri (Fagonia echinella, local names dereima, showeika, shaki, shoka, Dhuraymah)(?) in a roadside depression near Salwa Road. Qatar, April 22, 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
 Smartweed (Curly-top knotweed, Polygonum tomentosum, Persicaria lapathifolia, Russian name Gorets) in Pavlovsk Park, south from Saint Petersburg, Russia, June 23, 2010
 Blooming Zygophyllum simplex (Tetraena simplex, local names Daa, harm, hureim) on roadside of Salwa Road in south-western Qatar, February 21, 2014
 Cones of Shrubby Horsetail (Ephedra foliata, Ephedra ciliata, local name alanda) on roadside of a road to Zubara, north-western Qatar, February 28, 2014
 Blooming Moltkiopsis ciliata (Lithospermum ciliatum, Lithospermum angustifolium, local names halam, Ghabshah) on roadside of Salwa Road in south-western Qatar, February 21, 2014
 Flowers of Moltkiopsis ciliata (Lithospermum ciliatum, Lithospermum angustifolium, local names halam, Ghabshah) on roadside of Salwa Road in south-western Qatar, February 21, 2014
 Desert plant Moltkiopsis ciliata (Lithospermum ciliatum, Lithospermum angustifolium, local names halam, Ghabshah) on roadside of Salwa Road in south-western Qatar, February 21, 2014
 Shrubby Horsetail (Ephedra foliata, Ephedra ciliata, local name alanda) growing on bushes of Ziziphus nummularia on roadside of a road to Zubara, north-western Qatar, February 28, 2014
 Red berry on a vine of Cocculus pendulus (local names khuneigh, gurdhi) near Karaana (Karana, Al Kiranah), south-west from Doha. Qatar, April 23, 2014
 Psoralea plicata (Cullen plicatum, local names hama, Jhil) near Karaana (Karana, Al Kiranah), south-west from Doha. Qatar, April 23, 2014
 Cocculus pendulus vine (local names khuneigh, gurdhi) on a dry tree near Karaana (Karana, Al Kiranah), south-west from Doha. Qatar, April 23, 2014
 Launaea capitata (Launaea glomerata, Zollikoferia glomerata, local names huwa, hazan) on roadside of Salwa Road in south-western Qatar, February 21, 2014
 Shrubby Horsetail (Ephedra foliata, Ephedra ciliata, local name alanda) growing on bushes of Ziziphus in a depression in Al Harrarah. Qatar, March 4, 2016
 Blooming Pulicaria undulata (Francoeruria crispa, Pulicaria crispa, local names jithjath, yethyas) on roadside of Salwa Road in south-western Qatar, February 21, 2014
 Salsola cyclophylla in a roadside depression near Salwa Road. Qatar, April 22, 2016
 Branch of Fagonia bruguieri(?) taken from a roadside depression near Salwa Road. Qatar, April 22, 2016
 Fruits of Fagonia bruguieri(?) taken from a roadside depression near Salwa Road. Qatar, April 22, 2016
 Blue panicgrass (Panicum antidotale)(?) in a roadside depression near Salwa Road. Qatar, April 22, 2016
 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
 Bladderdock (Rumex vesicarius, local name homeid) on a roadside of Salwa Road. Qatar, February 14, 2014
 Sandy depression on roadside of Salwa Road in area of Rawdat Ekdaim. Southern Qatar, April 25, 2015
 Fruit of desert gourd Citrullus colocynthis (bitter apples, Cucumis colocynthis, local names handal, shary, Handhal) near Karaana (Karana, Al Kiranah), south-west from Doha. Qatar, April 23, 2014
 Desert grass Panicum turgidum (local name Thummam) in a wadi near Salwa Road, near Mukaynis. Qatar, April 22, 2016
 Wire grass Ochthochloa compressa (local name Hamrah) in a wadi near Salwa Road, near Mukaynis. Qatar, April 22, 2016
 Wormseed (Dysphania ambrosioides, Chenopodium ambrosioides) in a roadside depression near Salwa Road. Qatar, April 22, 2016
 Shoots of giant knotweed (Polygonum sachalinense) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 9, 2017
 Desert date trees (Balanites aegyptiaca) on roadside of Salwa Highway near Saliyah military housing south-west from Doha. Qatar, April 29, 2016
 Shrubby Horsetail (Ephedra foliata, local name alanda) growing on bushes of Ziziphus on roadside of a road to Zubara in area of Al Magdah farms. Northern Qatar, January 29, 2016
 Branches of desert date trees (Balanites aegyptiaca) on roadside of Salwa Highway near Saliyah military housing south-west from Doha. Qatar, April 29, 2016
 Althaea ludwigii (local name khatma) in silty depression on roadside of a road to Zubara in area of Thaghab Al Majda. North-western Qatar, February 28, 2014
 Green branches of desert date trees (Balanites aegyptiaca) on roadside of Salwa Highway near Saliyah military housing south-west from Doha. Qatar, April 29, 2016
 Scarlet pea (Indigofera intricata, local name Hameira) in windblown sand on roadside of Salwa Road in area of Khashem Al Nekhsh. Qatar, April 8, 2016
 Launaea mucronata (local name Huwa ghazal) in windblown sand on roadside of Salwa Road in area of Khashem Al Nekhsh. Qatar, April 8, 2016
 Scarlet pea (Indigofera intricata, local name humeira) in sand on roadside of Salwa Road in area of Rawdat Ekdaim. Southern Qatar, April 11, 2015
 Pepper-grass (Lepidium aucheri) on roadside of Salwa Road in south-western Qatar, February 21, 2014
 Flowers of scarlet pimpernel (Anagallis arvensis var. caerulea, local name ain al qit) in a depression near a road to Zubara in Al Magdah farms area, in north-western Qatar, February 22, 2014
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