 Chamberbitter weeds (stonebreaker, Phyllanthus niruri) on sidewalk of Al Shatt Street in Onaiza area. Doha, Qatar, April 30, 2015
 Chamberbitter weeds (stonebreaker, Phyllanthus niruri) on the median strip of Al Istiqlal Street in Onaiza area. Doha, Qatar, April 13, 2016
 Seedlings of chamberbitter plant (stonebreaker, Phyllanthus niruri) on the median strip of Al Istiqlal Street in Onaiza area. Doha, Qatar, April 13, 2016
 Chamberbitter weed (stonebreaker, Phyllanthus niruri) in a small vegetable garden on Ammouriya Street in Onaiza area. Doha, Qatar, June 21, 2015
 Chamberbitter weeds (stonebreaker, Phyllanthus niruri) near Dunes Hotel in West Bay. Doha, Qatar, April 22, 2014
 Chamberbitter weeds (stonebreaker, Phyllanthus niruri) on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, August 11, 2019
 Seeds of chamberbitter weeds (stonebreaker, Phyllanthus niruri) on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, August 11, 2019
 Chamberbitter plant (stonebreaker, Phyllanthus niruri) near Dunes Hotel in West Bay. Doha, Qatar, April 22, 2014
 Chamberbitter plant (stonebreaker, Phyllanthus niruri) with flowers found near Ezdan Hotel in West Bay. Doha, Qatar, August 29, 2014
 Chamberbitter plant (stonebreaker, Phyllanthus niruri) on Richards Loop Trail in Sam Houston National Forest. Texas, August 15, 2021
 Chamberbitter plant (stonebreaker, Phyllanthus niruri) on Richards Loop Trail in Sam Houston National Forest. Texas, August 28, 2021
 Plant of fourleaf allseed (Polycarpon tetraphyllum) growing from a crevice on United Nations Street in Onaiza area. Doha, Qatar, February 2, 2016
 Fourleaf manyseed (Polycarpon tetraphyllum) on a crevice of sidewalk of United Nations Street in Onaiza area. Doha, Qatar, March 14, 2016
 Chamberbitter plant (stonebreaker, Phyllanthus niruri) on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, July 20, 2019
 Dahlberg daisy (Thymophylla tenuiloba var. tenuiloba) on sidewalk of Meshrif Street in Onaiza area. Doha, Qatar, March 13, 2016
 Leaves of chamberbitter plant (stonebreaker, Phyllanthus niruri) on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, July 20, 2019
 Seedlings of chamberbitter plant (stonebreaker, Phyllanthus niruri) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2022
 Young leaves of chamberbitter plant (stonebreaker, Phyllanthus niruri) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2022
 Fagonia bruguieri(?) growing on a sidewalk of Meshrif Street near West Bay. Doha, Qatar, August 23, 2014
 Black medick weeds (Medicago lupulina) growing at the base of a palm tree on Al Shabi Street in Onaiza area. Doha, Qatar, April 14, 2016
 Fourleaf allseed (Polycarpon tetraphyllum) growing from crevices on pavement of sidewalk of United Nations Street in Onaiza area. Doha, Qatar, March 14, 2016
 Jatropha integerrima in a park at Al Meshrif Street in Onaiza area. Doha, Qatar, May 29, 2016
 Tetraena qatarense (Zygophyllum qatarense) with seeds growing on a sidewalk of Meshrif Street near West Bay. Doha, Qatar, August 23, 2014
 Ashwagandha plant (Withania somnifera) growing from cracks of sidewalk pavement in area of Saha 3 Street in Onaiza area. Doha, Qatar, May 4, 2015
 Pagoda tree (Plumeria alba) in a park at Al Meshrif Street in Onaiza area. Doha, Qatar, May 29, 2016
 Pencil tree (Euphorbia tirucalli) in a park at Al Meshrif Street in Onaiza area. Doha, Qatar, May 29, 2016
 Fruits of siricote tree (Cordia sebestena) in a park at Al Meshrif Street in Onaiza area. Doha, Qatar, May 29, 2016
 Narrow-leaf form of Graceful Sandmat spurge (Euphorbia hypericifolia) on sidewalk on Al Intisar Street in Onaiza area. Doha, Qatar, February 23, 2016
 Branch of narrow-leaf form of Graceful Sandmat spurge (Euphorbia hypericifolia) taken from sidewalk of Al Intisar Street in Onaiza area. Doha, Qatar, February 23, 2016
 Flowers of narrow-leaf form of Graceful Sandmat spurge (Euphorbia hypericifolia) taken from sidewalk of Al Intisar Street in Onaiza area. Doha, Qatar, February 23, 2016
 Branch of narrow-leaf form of Graceful Sandmat spurge (Euphorbia hypericifolia) with fruits taken from sidewalk of Al Intisar Street in Onaiza area. Doha, Qatar, February 23, 2016
 Eruca vesicaria (rocket) on sidewalk of Al Owaina Street in Onaiza area. Doha, Qatar, March 2, 2016
 Flax (Linum usitatissimum) growing on waste spot on Al Istiqlal Street in Onaiza area. Doha, Qatar, February 11, 2016
 Slender sow thistle (Sonchus tenerrimus) on sidewalk on Al Sham Street in Onaiza area. Doha, Qatar, March 31, 2016
 Petty spurge (Euphorbia peplus) growing under a palm tree on Al Intisar Street in Onaiza area. Doha, Qatar, February 3, 2016
 Chamberbitter plant (stonebreaker, Phyllanthus) on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, June 11, 2019
 Fourleaf manyseed (Polycarpon tetraphyllum) on sidewalk of United Nations Street in Onaiza area. Doha, Qatar, March 14, 2016
 Black medick weeds (Medicago lupulina) taken from a base of a palm tree on Al Shabi Street in Onaiza area. Doha, Qatar, April 13, 2016
 Fineleaf fumitory (Fumaria parviflora or may be F. vaillantii) growing under a palm tree on Al Istiqlal Street in Onaiza area. Doha, Qatar, February 3, 2016
 Glasswort (Salsola imbricata) on sidewalk of Meshrif Street near West Bay. Doha, Qatar, May 11, 2014
 Plant of fourleaf allseed (Polycarpon tetraphyllum) on sidewalk of United Nations Street in Onaiza area. Doha, Qatar, March 14, 2016
 Fourleaf manyseed (Polycarpon tetraphyllum) on pavement of sidewalk of United Nations Street in Onaiza area. Doha, Qatar, March 14, 2016
 Fourleaf allseed (Polycarpon tetraphyllum) on pavement of sidewalk of United Nations Street in Onaiza area. Doha, Qatar, March 14, 2016
 Branch of fourleaf allseed (Polycarpon tetraphyllum) taken from sidewalk of United Nations Street in Onaiza area. Doha, Qatar, March 14, 2016
 Fourleaf manyseed (Polycarpon tetraphyllum) on cracks of sidewalk of United Nations Street in Onaiza area. Doha, Qatar, March 14, 2016
 Green carpet of chamberbitter plant (stonebreaker, Phyllanthus) on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, June 11, 2019
 Close up of fourleaf allseed (Polycarpon tetraphyllum) on pavement of sidewalk of United Nations Street in Onaiza area. Doha, Qatar, March 14, 2016
 Ashwagandha plant (Withania somnifera) on sidewalk in area of Saha 3 Street in Onaiza area. Doha, Qatar, May 4, 2015
 Ashwagandha plant (Withania somnifera) on sidewalk in area of Saha 3 Street in Onaiza area. Doha, Qatar, May 4, 2015
 Ashwagandha plant (Withania somnifera) taken from sidewalk in area of Saha 3 Street in Onaiza area. Doha, Qatar, June 15, 2015
 Seedling of ashwagandha plant (Withania somnifera) on sidewalk in area of Saha 3 Street in Onaiza area. Doha, Qatar, May 4, 2015
 Shoot of ashwagandha plant (Withania somnifera) on sidewalk in area of Saha 3 Street in Onaiza area. Doha, Qatar, May 4, 2015
 Dusty plant of ashwagandha (Withania somnifera) on sidewalk in area of Saha 3 Street in Onaiza area. Doha, Qatar, May 11, 2015
 Fruits of ashwagandha plant (Withania somnifera) on sidewalk in area of Saha 3 Street in Onaiza area. Doha, Qatar, May 4, 2015
 Flowers of ashwagandha plant (Withania somnifera) on sidewalk in area of Saha 3 Street in Onaiza area. Doha, Qatar, May 4, 2015
 Ashwagandha plant (Withania somnifera) with flowers on sidewalk in area of Saha 3 Street in Onaiza area. Doha, Qatar, May 4, 2015
 Flowers and fruits of ashwagandha plant (Withania somnifera) on sidewalk in area of Saha 3 Street in Onaiza area. Doha, Qatar, May 4, 2015
 Euphorbia hirta on sidewalk pavement of Al Wosail Street in Onaiza area. Doha, Qatar, April 8, 2015
 Blooming black medick (Medicago lupulina) growing at the base of a palm tree on Al Shabi Street in Onaiza area. Doha, Qatar, April 14, 2016
 Mediterranean amaranth (short-tepalled pigweed, Amaranthus graecizans) on sidewalk in Onaiza area. Doha, Qatar, March 24, 2016
 Edging Lobelia (Lobelia erinus) growing as ornamental plant in a park at Al Rafiei Street in Onaiza area. Doha, Qatar, March 13, 2016
 Graceful Sandmat (spurge, Euphorbia hypericifolia) growing near stone wall on Meshrif Street near West Bay. Doha, Qatar, August 23, 2014
 Dahlberg daisy (Thymophylla tenuiloba var. tenuiloba) in cracks of sidewalk pavement on Saha 3 Street in Onaiza area. Doha, Qatar, May 4, 2015
 Red amaranth (Amaranthus hybridus)(?) on Al Istiqlal Street in Onaiza area. Doha, Qatar, February 2, 2016
 Petunia flowers in a park at Al Rafiei Street in Onaiza area. Doha, Qatar, February 16, 2016
 Flax (Linum usitatissimum) on Al Istiqlal Street in Onaiza area. Doha, Qatar, February 2, 2016
 Blooming Reichardia intermedia(?) on Al Istiqlal Street in Onaiza area. Doha, Qatar, February 23, 2016
 Upper view of Reichardia intermedia(?) on Al Istiqlal Street in Onaiza area. Doha, Qatar, February 23, 2016
 Yellow flower of Reichardia intermedia(?) on Al Istiqlal Street in Onaiza area. Doha, Qatar, February 23, 2016
 Flower buds of Reichardia intermedia(?) on Al Istiqlal Street in Onaiza area. Doha, Qatar, February 23, 2016
 Leaves of sacred fig (Ficus religiosa) on Al Intisar Street in Onaiza area. Doha, Qatar, February 3, 2016
 Red petals of Jatropha integerrima in a park at Al Rafiei Street in Onaiza area. Doha, Qatar, February 16, 2016
 Common vetch (Vicia sativa) taken from Al Istiqlal Street in Onaiza area. Doha, Qatar, February 3, 2016
 Blooming flax (Linum usitatissimum) on Al Istiqlal Street in Onaiza area. Doha, Qatar, February 10, 2016
 White petunia flowers in a park at Al Rafiei Street in Onaiza area. Doha, Qatar, February 16, 2016
 Lantana camara on sidewalk in Onaiza area near West Bay. Doha, Qatar, May 7, 2015
 Flax (Linum usitatissimum) starting to bloom on Al Istiqlal Street in Onaiza area. Doha, Qatar, February 10, 2016
 White leadtree (jumbay, Leucaena leucocephala) on Al Istiqlal Street in Onaiza area. Doha, Qatar, February 2, 2016
 Flowers of snapdragon (Antirrhinum majus) in a park at Al Rafiei Street in Onaiza area. Doha, Qatar, February 16, 2016
 Brown seeds of coffeeweed (Senna occidentalis) taken from Al Intisar Street in Onaiza area. Doha, Qatar, February 3, 2016
 Blue panicgrass (Panicum antidotale) on United Nations Street in Onaiza area. Doha, Qatar, February 2, 2016
 Flower petals of flax (Linum usitatissimum) on Al Istiqlal Street in Onaiza area. Doha, Qatar, February 11, 2016
 Flower petals of flax (Linum usitatissimum) taken from Al Istiqlal Street in Onaiza area. Doha, Qatar, February 11, 2016
 Flax (Linum usitatissimum) with flower buds on Al Istiqlal Street in Onaiza area. Doha, Qatar, February 10, 2016
 Opened seed pod of coffeeweed (Senna occidentalis) taken from Al Intisar Street in Onaiza area. Doha, Qatar, February 3, 2016
 Plant of four-leaved allseed (Polycarpon tetraphyllum) taken from United Nations Street in Onaiza area. Doha, Qatar, February 2, 2016
 Plant of fourleaf allseed (Polycarpon tetraphyllum) on United Nations Street in Onaiza area. Doha, Qatar, February 2, 2016
 Common vetch (Vicia sativa) with a flower and fruits taken from Al Istiqlal Street in Onaiza area. Doha, Qatar, February 3, 2016
 Sacred fig (Bo-Tree, Ficus religiosa) near a stone fence on Al Intisar Street in Onaiza area. Doha, Qatar, February 3, 2016
 China rose (Hibiscus rosa-sinensis) planted in a park at Al Rafiei Street in Onaiza area. Doha, Qatar, February 16, 2016
 Mediterranean amaranth (short-tepalled pigweed, Amaranthus graecizans) taken from Al Intisar Street in Onaiza area. Doha, Qatar, February 23, 2016
 Close up of a plant of fourleaf allseed (Polycarpon tetraphyllum) on United Nations Street in Onaiza area. Doha, Qatar, February 2, 2016
 Succulent plant Elephant Food (Portulacaria afra) in a park at Al Rafiei Street in Onaiza area. Doha, Qatar, February 16, 2016
 Leaf of Mediterranean amaranth (short-tepalled pigweed, Amaranthus graecizans) taken from Al Intisar Street in Onaiza area. Doha, Qatar, February 23, 2016
 Plant of four-leaved allseed (Polycarpon tetraphyllum) on white background taken from United Nations Street in Onaiza area. Doha, Qatar, February 2, 2016
 Narrow-leaf form of Graceful Sandmat spurge (Euphorbia hypericifolia) on Al Intisar Street in Onaiza area. Doha, Qatar, February 23, 2016
 Plant of four-leaved allseed (Polycarpon tetraphyllum) with tiny flowers taken from United Nations Street in Onaiza area. Doha, Qatar, February 2, 2016
 Orange flowers of Mexican marigold (Tagetes erecta) planted in a park at Al Rafiei Street in Onaiza area. Doha, Qatar, February 16, 2016
 Plants of Nalta jute (Corchorus olitorius) growing under a palm tree on Ammouriya Street in Onaiza area. Doha, Qatar, October 19, 2015
|