![](../../pictures/archives/compress/2014/1344/jpeg/13t.jpg) Flowers on terminal spikes of silver-sheath knotweed (Polygonum argyrocoleon) on a roadside of Salwa Road. Qatar, February 14, 2014
![](../../pictures/archives/compress/2014/1342/jpeg/16t.jpg) Blooming silver-sheath knotweed (Polygonum argyrocoleon) in a roadside depression of Abu Samra Road in southern Qatar, February 11, 2014
![](../../pictures/archives/compress/2014/1398/jpeg/07t.jpg) Vegetation in a depression on roadside of Salwa Road near Karaana, south-west from Doha. Qatar, April 23, 2014
![](../../pictures/archives/compress/2014/1398/jpeg/08t.jpg) 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
![](../../pictures/archives/compress/2014/1398/jpeg/17t.jpg) 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
![](../../pictures/archives/compress/2014/1398/jpeg/16t.jpg) Centaurea sinaica (local names birkan, murrar) with seeds on roadside of Salwa Road near Karaana, south-west from Doha. Qatar, April 23, 2014
![](../../pictures/archives/compress/2014/1397/jpeg/04t.jpg) Aerva javanica (local names towayim, tarfa, tirf, Tuwaim) on roadside of Salwa Road, south-west from Doha. Qatar, April 23, 2014
![](../../pictures/archives/compress/2014/1397/jpeg/15t.jpg) Seed pods of milkweed Glossonema varians (local names jarawa, yarawa) on roadside of Salwa Road, south-west from Doha. Qatar, April 23, 2014
![](../../pictures/archives/compress/2014/1397/jpeg/16t.jpg) Blooming Virgin s Hand (Anastatica hierochuntica, local names kaf mariam, jefaiea) on roadside of Salwa Road, south-west from Doha. Qatar, April 23, 2014
![](../../pictures/archives/compress/2014/1398/jpeg/15t.jpg) 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
![](../../pictures/archives/compress/2014/1397/jpeg/20t.jpg) 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
![](../../pictures/archives/compress/2014/1398/jpeg/13t.jpg) 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
![](../../pictures/archives/compress/2014/1397/jpeg/22t.jpg) 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
![](../../pictures/archives/compress/2014/1397/jpeg/26t.jpg) 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
![](../../pictures/archives/compress/2014/1398/jpeg/06t.jpg) 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
![](../../pictures/archives/compress/2014/1398/jpeg/14t.jpg) 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
![](../../pictures/archives/compress/2014/1398/jpeg/04t.jpg) 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
![](../../pictures/archives/compress/2014/1398/jpeg/03t.jpg) 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
![](../../pictures/archives/compress/2014/1397/jpeg/10t.jpg) Pulicaria undulata on roadside of Salwa Road, south-west from Doha. Qatar, April 23, 2014
![](../../pictures/archives/compress/2014/1397/jpeg/12t.jpg) Pulicaria undulata with flowers on roadside of Salwa Road, south-west from Doha. Qatar, April 23, 2014
![](../../pictures/archives/compress/2014/1397/jpeg/19t.jpg) Blooming Pulicaria undulata on roadside of Salwa Road, south-west from Doha. Qatar, April 23, 2014
![](../../pictures/archives/compress/2014/1397/jpeg/14t.jpg) Flowers of Picris cyanocarpa on roadside of Salwa Road, south-west from Doha. Qatar, April 23, 2014
![](../../pictures/archives/compress/2014/1397/jpeg/03t.jpg) Peeling dried clay on roadside of Salwa Road, south-west from Doha. Qatar, April 23, 2014
![](../../pictures/archives/compress/2014/1398/jpeg/25t.jpg) Blooming Cornulaca monacantha(?) on roadside of Salwa Road near Karaana, south-west from Doha. Qatar, April 23, 2014
![](../../pictures/archives/compress/2014/1398/jpeg/01t.jpg) Suaeda aegyptiaca(?) with seeds on roadside of Salwa Road near Karaana, south-west from Doha. Qatar, April 23, 2014
![](../../pictures/archives/compress/2014/1398/jpeg/22t.jpg) Taking pictures of plants on roadside of Salwa Road near Karaana, south-west from Doha. Qatar, April 23, 2014
![](../../pictures/archives/compress/2014/1397/jpeg/09t.jpg) Desert plant Picris cyanocarpa(?) on roadside of Salwa Road, south-west from Doha. Qatar, April 23, 2014
![](../../pictures/archives/compress/2014/1397/jpeg/02t.jpg) Puncturevine (Caltrop, Tribulus terrestris) on roadside of Salwa Road, south-west from Doha. Qatar, April 23, 2014
![](../../pictures/archives/compress/2014/1397/jpeg/11t.jpg) Bushy bindweed (Convolvulus prostratus) on roadside of Salwa Road, south-west from Doha. Qatar, April 23, 2014
![](../../pictures/archives/compress/2014/1397/jpeg/05t.jpg) Aerva javanica with woolly flowers on roadside of Salwa Road, south-west from Doha. Qatar, April 23, 2014
![](../../pictures/archives/compress/2014/1398/jpeg/21t.jpg) Dry seeds of Zilla spinosa on the ground on roadside of Salwa Road near Karaana, south-west from Doha. Qatar, April 23, 2014
![](../../pictures/archives/compress/2014/1397/jpeg/07t.jpg) Small white flowers of Acacia tortilis(?) on roadside of Salwa Road, south-west from Doha. Qatar, April 23, 2014
![](../../pictures/archives/compress/2014/1397/jpeg/01t.jpg) Argentine peppercress (Lepidium bonariense) with seeds on roadside of Salwa Road, south-west from Doha. Qatar, April 23, 2014
![](../../pictures/archives/compress/2014/1398/jpeg/02t.jpg) Yellow flowers of Acacia ehrenbergiana on roadside of Salwa Road near Karaana, south-west from Doha. Qatar, April 23, 2014
![](../../pictures/archives/compress/2014/1397/jpeg/06t.jpg) Floccise woolly flowers of Aerva javanica on roadside of Salwa Road, south-west from Doha. Qatar, April 23, 2014
![](../../pictures/archives/compress/2014/1397/jpeg/23t.jpg) Ribwort Plantain (Plantago lanceolata) in sand on roadside of Salwa Road, south-west from Doha. Qatar, April 23, 2014
![](../../pictures/archives/compress/2014/1397/jpeg/17t.jpg) Seeds of Argentine peppercress (Lepidium bonariense) on roadside of Salwa Road, south-west from Doha. Qatar, April 23, 2014
![](../../pictures/archives/compress/2014/1397/jpeg/25t.jpg) Blooming Ribwort Plantain (Plantago lanceolata) on roadside of Salwa Road, south-west from Doha. Qatar, April 23, 2014
![](../../pictures/archives/compress/2014/1398/jpeg/20t.jpg) Fruits of Zilla spinosa carpeting the ground on roadside of Salwa Road near Karaana, south-west from Doha. Qatar, April 23, 2014
![](../../pictures/archives/compress/2014/1397/jpeg/24t.jpg) Flower spike of Ribwort Plantain (Plantago lanceolata) on roadside of Salwa Road, south-west from Doha. Qatar, April 23, 2014
![](../../pictures/archives/compress/2014/1397/jpeg/13t.jpg) Bushy bindweed (Convolvulus prostratus) with white flowers on roadside of Salwa Road, south-west from Doha. Qatar, April 23, 2014
![](../../pictures/archives/compress/2014/1398/jpeg/18t.jpg) Oval seed pods of chickpea (Cicer arietinum) on roadside of Salwa Road near Karaana, south-west from Doha. Qatar, April 23, 2014
![](../../pictures/archives/compress/2014/1398/jpeg/23t.jpg) 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
![](../../pictures/archives/compress/2014/1397/jpeg/21t.jpg) Round dry seed capsules (fruits) of flax (Linum usitatissimum) on roadside of Salwa Road, south-west from Doha. Qatar, April 23, 2014
![](../../pictures/archives/compress/2014/1398/jpeg/05t.jpg) 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
![](../../pictures/archives/compress/2014/1398/jpeg/24t.jpg) 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
![](../../pictures/archives/compress/2014/1398/jpeg/26t.jpg) 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
![](../../pictures/archives/compress/2016/1810/jpeg/25t.jpg) Wire grass Ochthochloa compressa (local name Hamrah) in a roadside depression near Salwa Road. Qatar, April 22, 2016
![](../../pictures/archives/compress/2014/1398/jpeg/19t.jpg) Fruits of Zygophyllum simplex (Tetraena simplex, harm, hureim) on roadside of Salwa Road near Karaana, south-west from Doha. Qatar, April 23, 2014
![](../../pictures/archives/compress/2014/1397/jpeg/18t.jpg) Zygophyllum simplex (Tetraena simplex, harm, hureim) forming a sand mound on roadside of Salwa Road, south-west from Doha. Qatar, April 23, 2014
![](../../pictures/archives/compress/2016/1810/jpeg/27t.jpg) Virgin s Hand plant (Anastatica hierochuntica local names kaf mariam, jefaiea) in a roadside depression near Salwa Road. Qatar, April 22, 2016
![](../../pictures/archives/compress/2014/1366/jpeg/21t.jpg) Argentine peppercress (Lepidium bonariense) on roadside depression of Salwa Road in south-western Qatar, March 3, 2014
![](../../pictures/archives/compress/2016/1777/jpeg/24t.jpg) Shrubby Horsetail (Ephedra foliata, Ephedra ciliata, local name alanda) taken from Yoodah depression near Al Zubara Road. Northern Qatar, March 12, 2016
![](../../pictures/archives/compress/2016/1791/jpeg/11t.jpg) Shrubby Horsetail (Ephedra foliata, Ephedra ciliata, local name alanda) with flowers in Yoodah depression near Al Zubara Road. Northern Qatar, March 26, 2016
![](../../pictures/archives/compress/2016/1791/jpeg/13t.jpg) Fruits of shrubby horsetail (Ephedra foliata, Ephedra ciliata, local name alanda) taken from Yoodah depression near Al Zubara Road. Northern Qatar, March 26, 2016
![](../../pictures/archives/compress/2014/1354/jpeg/21t.jpg) Saltwort (Salsola vermiculata(?), local name hamd) on roadside of Salwa Road in south-western Qatar, February 21, 2014
![](../../pictures/archives/compress/2016/1791/jpeg/10t.jpg) 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
![](../../pictures/archives/compress/2014/1352/jpeg/05t.jpg) Herniaria hemistemon (local name Ghebayra) with tiny leaves on roadside of Salwa Road in south-western Qatar, February 21, 2014
![](../../pictures/archives/compress/2014/1366/jpeg/22t.jpg) Dill (Anethum graveolens, local names ein jarada, shabat) on roadside of Salwa Road in south-western Qatar, March 3, 2014
![](../../pictures/archives/compress/2014/1352/jpeg/01t.jpg) Desert heliotrope (turnsole, Heliotropium bacciferum, local name Ramram) on roadside of Salwa Road in south-western Qatar, February 21, 2014
![](../../pictures/archives/compress/2016/1768/jpeg/03t.jpg) 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
![](../../pictures/archives/compress/2014/1366/jpeg/23t.jpg) Seeds of dill (Anethum graveolens, local names ein jarada, shabat) on roadside of Salwa Road in south-western Qatar, March 3, 2014
![](../../pictures/archives/compress/2016/1810/jpeg/28t.jpg) 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
![](../../pictures/archives/compress/2014/1352/jpeg/02t.jpg) Prickly Dock (Emex spinosa, Rumex spinosus, local names drs al ajooz, hanzab) on roadside of Salwa Road in south-western Qatar, February 21, 2014
![](../../pictures/archives/compress/2010/870/jpeg/19t.jpg) Smartweed (Curly-top knotweed, Polygonum tomentosum, Persicaria lapathifolia, Russian name Gorets) in Pavlovsk Park, south from Saint Petersburg, Russia, June 23, 2010
![](../../pictures/archives/compress/2014/1354/jpeg/23t.jpg) Blooming Zygophyllum simplex (Tetraena simplex, local names Daa, harm, hureim) on roadside of Salwa Road in south-western Qatar, February 21, 2014
![](../../pictures/archives/compress/2014/1360/jpeg/02t.jpg) Cones of Shrubby Horsetail (Ephedra foliata, Ephedra ciliata, local name alanda) on roadside of a road to Zubara, north-western Qatar, February 28, 2014
![](../../pictures/archives/compress/2014/1352/jpeg/08t.jpg) Blooming Moltkiopsis ciliata (Lithospermum ciliatum, Lithospermum angustifolium, local names halam, Ghabshah) on roadside of Salwa Road in south-western Qatar, February 21, 2014
![](../../pictures/archives/compress/2014/1352/jpeg/07t.jpg) Flowers of Moltkiopsis ciliata (Lithospermum ciliatum, Lithospermum angustifolium, local names halam, Ghabshah) on roadside of Salwa Road in south-western Qatar, February 21, 2014
![](../../pictures/archives/compress/2014/1352/jpeg/09t.jpg) Desert plant Moltkiopsis ciliata (Lithospermum ciliatum, Lithospermum angustifolium, local names halam, Ghabshah) on roadside of Salwa Road in south-western Qatar, February 21, 2014
![](../../pictures/archives/compress/2014/1360/jpeg/03t.jpg) 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
![](../../pictures/archives/compress/2014/1398/jpeg/11t.jpg) 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
![](../../pictures/archives/compress/2014/1398/jpeg/10t.jpg) Psoralea plicata (Cullen plicatum, local names hama, Jhil) near Karaana (Karana, Al Kiranah), south-west from Doha. Qatar, April 23, 2014
![](../../pictures/archives/compress/2014/1398/jpeg/09t.jpg) Cocculus pendulus vine (local names khuneigh, gurdhi) on a dry tree near Karaana (Karana, Al Kiranah), south-west from Doha. Qatar, April 23, 2014
![](../../pictures/archives/compress/2014/1354/jpeg/22t.jpg) Launaea capitata (Launaea glomerata, Zollikoferia glomerata, local names huwa, hazan) on roadside of Salwa Road in south-western Qatar, February 21, 2014
![](../../pictures/archives/compress/2016/1773/jpeg/10t.jpg) Shrubby Horsetail (Ephedra foliata, Ephedra ciliata, local name alanda) growing on bushes of Ziziphus in a depression in Al Harrarah. Qatar, March 4, 2016
![](../../pictures/archives/compress/2014/1354/jpeg/20t.jpg) Blooming Pulicaria undulata (Francoeruria crispa, Pulicaria crispa, local names jithjath, yethyas) on roadside of Salwa Road in south-western Qatar, February 21, 2014
![](../../pictures/archives/compress/2016/1810/jpeg/26t.jpg) Salsola cyclophylla in a roadside depression near Salwa Road. Qatar, April 22, 2016
![](../../pictures/archives/compress/2016/1810/jpeg/34t.jpg) Branch of Fagonia bruguieri(?) taken from a roadside depression near Salwa Road. Qatar, April 22, 2016
![](../../pictures/archives/compress/2016/1810/jpeg/33t.jpg) Fruits of Fagonia bruguieri(?) taken from a roadside depression near Salwa Road. Qatar, April 22, 2016
![](../../pictures/archives/compress/2016/1810/jpeg/29t.jpg) Blue panicgrass (Panicum antidotale)(?) in a roadside depression near Salwa Road. Qatar, April 22, 2016
![](../../pictures/archives/compress/2014/1354/jpeg/18t.jpg) 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
![](../../pictures/archives/compress/2014/1344/jpeg/14t.jpg) Bladderdock (Rumex vesicarius, local name homeid) on a roadside of Salwa Road. Qatar, February 14, 2014
![](../../pictures/archives/compress/2015/1584/jpeg/05t.jpg) Sandy depression on roadside of Salwa Road in area of Rawdat Ekdaim. Southern Qatar, April 25, 2015
![](../../pictures/archives/compress/2014/1398/jpeg/12t.jpg) 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
![](../../pictures/archives/compress/2016/1810/jpeg/31t.jpg) Desert grass Panicum turgidum (local name Thummam) in a wadi near Salwa Road, near Mukaynis. Qatar, April 22, 2016
![](../../pictures/archives/compress/2016/1810/jpeg/30t.jpg) Wire grass Ochthochloa compressa (local name Hamrah) in a wadi near Salwa Road, near Mukaynis. Qatar, April 22, 2016
![](../../pictures/archives/compress/2016/1810/jpeg/24t.jpg) Wormseed (Dysphania ambrosioides, Chenopodium ambrosioides) in a roadside depression near Salwa Road. Qatar, April 22, 2016
![](../../pictures/archives/compress/2017/2063/jpeg/20t.jpg) Shoots of giant knotweed (Polygonum sachalinense) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 9, 2017
![](../../pictures/archives/compress/2016/1816/jpeg/15t.jpg) Desert date trees (Balanites aegyptiaca) on roadside of Salwa Highway near Saliyah military housing south-west from Doha. Qatar, April 29, 2016
![](../../pictures/archives/compress/2016/1742/jpeg/09t.jpg) 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
![](../../pictures/archives/compress/2016/1816/jpeg/13t.jpg) Branches of desert date trees (Balanites aegyptiaca) on roadside of Salwa Highway near Saliyah military housing south-west from Doha. Qatar, April 29, 2016
![](../../pictures/archives/compress/2014/1360/jpeg/11t.jpg) 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
![](../../pictures/archives/compress/2016/1816/jpeg/14t.jpg) 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
![](../../pictures/archives/compress/2016/1801/jpeg/03t.jpg) 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
![](../../pictures/archives/compress/2016/1801/jpeg/01t.jpg) Launaea mucronata (local name Huwa ghazal) in windblown sand on roadside of Salwa Road in area of Khashem Al Nekhsh. Qatar, April 8, 2016
![](../../pictures/archives/compress/2015/1578/jpeg/14t.jpg) Scarlet pea (Indigofera intricata, local name humeira) in sand on roadside of Salwa Road in area of Rawdat Ekdaim. Southern Qatar, April 11, 2015
![](../../pictures/archives/compress/2014/1354/jpeg/19t.jpg) Pepper-grass (Lepidium aucheri) on roadside of Salwa Road in south-western Qatar, February 21, 2014
![](../../pictures/archives/compress/2014/1356/jpeg/07t.jpg) 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
|