 Purple nut sedge (Cyperus rotundus)(?) near Ezdan Hotel in West Bay. Doha, Qatar, August 29, 2014
 Purple nut sedge (Cyperus rotundus) from Dahl Al Hamam Park at Al Markhiya Street. Doha, Qatar, May 30, 2016
 Purple nut sedge (Cyperus rotundus) grown on a lawn in Al Shamal City Park. Ruwais, Northern Qatar, November 20, 2015
 Purple flowers of Lantana camara taken from Onanza area near West Bay. Doha, Qatar, January 5, 2015
 Purple nut sedge (Cyperus rotundus) at entrance of Film City in Ras Abrouq Peninsula near Zekreet. Qatar, November 14, 2014
 Purple nut sedge (Cyperus rotundus) in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, September 9, 2020
 Graceful Sandmat (spurge, Euphorbia hypericifolia) taken from Onanza area near West Bay. Doha, Qatar, January 5, 2015
 Sedge (Cyperus conglomeratus)(?) growind at the foot of a sand dune in Traina Sinkhole (karst depression) AOI 2 north-west of Khor Al Adaid. Southern Qatar, January 23, 2015
 Some grass, probably sedge (Cyperus conglomeratus)(?), growing on a crest of sand dune in Traina Sinkhole (karst depression) AOI 2 north-west of Khor Al Adaid. Southern Qatar, January 23, 2015
 Sedge (Cyperus conglomeratus) on rocky ridge of Jebel Fuwairit. Northern Qatar, January 8, 2015
 Large species of sedge (Cyperus conglomeratus) in sand on roadside of Salwa Road in area of Khashem Al Nekhsh. Qatar, March 21, 2015
 Fruits of a large species of sedge (Cyperus conglomeratus) taken from roadside of Salwa Road in area of Khashem Al Nekhsh. Qatar, March 21, 2015
 Sedge (Cyperus conglomeratus) in windblown sand on roadside of Salwa Road in area of Rawdat Ekdaim. Southern Qatar, April 10, 2015
 Close up of fruits of a large species of sedge (Cyperus conglomeratus) taken from roadside of Salwa Road in area of Khashem Al Nekhsh. Qatar, March 21, 2015
 Large sedge (Cyperus conglomeratus) in windblown sand on roadside of Salwa Road in area of Rawdat Ekdaim. Southern Qatar, March 21, 2015
 Blooming sedge (Cyperus conglomeratus) in windblown sand on roadside of Salwa Road in area of Rawdat Ekdaim. Southern Qatar, April 11, 2015
 Sedge (Cyperus conglomeratus) on roadside of a road to Harrarah. Southern Qatar, March 27, 2015
 Sedge (Cyperus conglomeratus) on a rocky ridge of Jebel Fuwairit. Northern Qatar, March 20, 2015
 Sedge (Cyperus conglomeratus) on a rocky ridge of Jebel Fuwairit. Northern Qatar, March 20, 2015
 Fruits of sedge (Cyperus conglomeratus) on a rocky ridge of Jebel Fuwairit. Northern Qatar, March 20, 2015
 Sedge (Cyperus conglomeratus) in a roadside depression east from Al Jebail water treatment plant. Al Khor, Qatar, December 20, 2015
 Sedge (Cyperus conglomeratus) in area of Jabal Al Jassasiya, on north-eastern coast. Qatar, February 12, 2016
 Sedge (Cyperus conglomeratus) in sandy area in Maszhabiya (Al Mashabiya) Reserve near Abu Samra. Southern Qatar, April 29, 2016
 Sedge (Cyperus conglomeratus) in windblown sand on roadside of Salwa Road in area of Khashem Al Nekhsh. Southern Qatar, March 18, 2016
 Sedge (Cyperus conglomeratus) in windblown sand on roadside of Salwa Road in area of Rawdat Ekdaim. Southern Qatar, February 26, 2016
 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
 Nutgrass (Cyperus rotundus) in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, September 9, 2020
 Sedge (Cyperus conglomeratus) near Fuwairit. Northern Qatar, April 3, 2014
 Sedge (Cyperus conglomeratus) in Maszhabiya (Al Mashabiya) Reserve near Abu Samra. Southern Qatar, May 20, 2016
 Umbrella papyrus (Cyperus alternifolius) on Sahat Al Luqta Street in Al Luqta area. Doha, Qatar, March 18, 2015
 Head of umbrella papyrus (Cyperus alternifolius) taken from Sahat Al Luqta Street in Al Luqta area. Doha, Qatar, March 18, 2015
 Close up of umbrella papyrus (Cyperus alternifolius) taken from Sahat Al Luqta Street in Al Luqta area. Doha, Qatar, March 18, 2015
 Plant of umbrella papyrus (Cyperus alternifolius) taken from Sahat Al Luqta Street in Al Luqta area. Doha, Qatar, March 18, 2015
 Sedge (Cyperus conglomeratus) on a rocky ridge of Jebel Fuwairit. Northern Qatar, February 19, 2016
 Sedge (Cyperus conglomeratus) on a rocky ridge of Jebel Fuwairit. Northern Qatar, February 9, 2016
 Seed head of umbrella papyrus (Cyperus alternifolius) taken from Sahat Al Luqta Street in Al Luqta area. Doha, Qatar, March 18, 2015
 Area of Kahramaa Tower in West Bay. Doha, Qatar, January 21, 2015
 Area of Tornado Tower in West Bay. Doha, Qatar, January 21, 2015
 Area of Woqod Tower in West Bay. Doha, Qatar, January 21, 2015
 Area of Dolphin Tower in West Bay. Doha, Qatar, January 22, 2015
 Sedge (Cyperus conglomeratus) on sand in Maszhabiya (Al Mashabiya) Reserve near Abu Samra. Southern Qatar, March 25, 2016
 Blooming sedge (Cyperus conglomeratus) on a rocky ridge of Jebel Fuwairit. Northern Qatar, February 19, 2016
 Sedge (Cyperus conglomeratus) in sands south from Sealine Beach Resort. Southern Qatar, March 5, 2014
 Area of Conference Centre Street in West Bay. Doha, Qatar, January 22, 2015
 Sedge (Cyperus conglomeratus) on sand dunes near the spring in Maszhabiya (Al Mashabiya) Reserve near Abu Samra. Southern Qatar, March 4, 2016
 Sedge (Cyperus conglomeratus) in sands of Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Area of Public Works Authority Ashghal building in West Bay. Doha, Qatar, January 21, 2015
 Area of Kahramaa and Public Works Authority Ashghal buildings in West Bay. Doha, Qatar, January 21, 2015
 Purple shoot of parasitic plant Cistanche tubulosa (desert hyacinth) emerging from sand on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, January 9, 2015
 Some sedge (Cyperus) in Lick Creek Park. College Station, Texas, September 26, 2022
 Bunchy, or many-spiked sedge (Cyperus polystachyos) in Brazos County Park. Bryan, Texas, May 23, 2012
 Many-spiked sedge (Cyperus polystachyos) in Lick Creek Park. College Station, Texas, June 13, 2022
 Bunchy sedge (Cyperus polystachyos) in Lick Creek Park. College Station, Texas, June 13, 2022
 Many-spiked sedge (Cyperus polystachyos) in Lick Creek Park. College Station, Texas, August 1, 2021
 Some sedge (Cyperus) on Post Oak Trail in Lick Creek Park. College Station, Texas, August 1, 2021
 Globe flat sedge (Cyperus echinatus) in Lick Creek Park. College Station, Texas, May 11, 2020
 Many-spiked sedge (Cyperus polystachyos) in Lick Creek Park. College Station, Texas, August 12, 2021
 Some sedge (Cyperus) on sewage line right-of-way in Lick Creek Park. College Station, Texas, August 26, 2021
 Bunchy, or many-spiked sedge (Cyperus polystachyos)(?) near Somerville Lake in Big Creek Park. Texas, August 13, 2011
 Doha bank and Public Works Authority Ashghal towers in West Bay. Doha, Qatar, January 21, 2015
 Umbrella sedge (Cyperus strigosus) or may be C. odoratus in Lick Creek Park. College Station, Texas, August 4, 2021
 Globe flat sedge (Cyperus echinatus) in Lick Creek Park. College Station, Texas, August 4, 2021
 Seeds of many-spiked sedge (Cyperus polystachyos) in Lick Creek Park. College Station, Texas, June 13, 2022
 Close-up of globe flat sedge (Cyperus echinatus) in Lick Creek Park. College Station, Texas, May 11, 2020
 Close-up of many-spiked sedge (Cyperus polystachyos) in Lick Creek Park. College Station, Texas, June 13, 2022
 Seeds of bunchy sedge (Cyperus polystachyos) in Lick Creek Park. College Station, Texas, June 13, 2022
 Bunchy, or many-spiked sedge (Cyperus polystachyos) in Lick Creek Park. College Station, Texas, July 10, 2014
 Globe flat sedge (Cyperus echinatus) in Lick Creek Park. College Station, Texas, April 29, 2009
 Star sedge (little prickly sedge, Carex echinata) in Posiolok near Vyritsa, south from Saint Petersburg, Russia, July 21, 2015
 Area of 44 West Bay Tower in West Bay. Doha, Qatar, November 12, 2015
 Area of Melia Doha Hotel in West Bay. Doha, Qatar, November 2, 2015
 Many-spiked sedge (Cyperus polystachyos) on a clearing over a pipeline in Lick Creek Park. College Station, Texas, June 13, 2022
 Close-up of globe flat sedge (Cyperus echinatus) in Lick Creek Park. College Station, Texas, June 13, 2022
 Area of Melia Doha Hotel and Ayyan Tower in West Bay. Doha, Qatar, November 2, 2015
 Many-spiked sedge (Cyperus polystachyos) on a recent forest clearing in Lick Creek Park. College Station, Texas, August 1, 2021
 Seeds of bunchy, or many-spiked sedge (Cyperus polystachyos) on a new cutting in Lick Creek Park. College Station, Texas, August 2, 2018
 Reddish seeds of globe flat sedge (Cyperus echinatus) in Lick Creek Park. College Station, Texas, August 4, 2021
 Bunchy, or many-spiked sedge (Cyperus polystachyos)(?) on a sewage line right of way in Lick Creek Park. College Station, Texas, July 18, 2020
 WTC and Burj Qatar towers in West Bay before sunrise. Doha, Qatar, January 25, 2015
 WTC, Palm, and Burj Qatar towers in West Bay. Doha, Qatar, January 6, 2015
 WTC, Burj Qatar, and Al Jassimiya towers in West Bay before sunrise. Doha, Qatar, January 25, 2015
 Burj Qatar Tower from Corniche Street in West Bay. Doha, Qatar, January 6, 2015
 Nakheel Tower in West Bay. Doha, Qatar, January 21, 2015
 WTC Tower near Corniche in West Bay. Doha, Qatar, January 6, 2015
 Woqod Tower in West Bay. Doha, Qatar, January 28, 2015
 A street in West Bay at morning. Doha, Qatar, January 21, 2015
 Tornado Tower in West Bay. Doha, Qatar, January 6, 2015
 Al Dana Tower in West Bay. Doha, Qatar, January 22, 2015
 Kahramaa Tower in West Bay. Doha, Qatar, January 21, 2015
 Navigation Tower in West Bay. Doha, Qatar, January 28, 2015
 Tornado Tower (green) and Burj Qatar (orange) in West Bay. Doha, Qatar, January 28, 2015
 Palm, Tornado, and Burj Qatar towers in West Bay before sunrise. Doha, Qatar, January 25, 2015
 Globe flat sedge (Cyperus echinatus) in Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, October 2, 2010
 Seeds of many-spiked sedge (Cyperus polystachyos) on a recent forest clearing in Lick Creek Park. College Station, Texas, August 1, 2021
 Seed heads of bunchy, or many-spiked sedge (Cyperus polystachyos) on a new cutting in Lick Creek Park. College Station, Texas, August 2, 2018
 Globe flat sedge (Cyperus echinatus) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
 Palm, Tornado, and Burj Qatar towers in West Bay near Corniche at morning. Doha, Qatar, January 25, 2015
 Woqod and Al Fardan towers in West Bay. Doha, Qatar, January 28, 2015
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