 Flower heads of prickly goldenfleece (Urospermum picroides) taken from a place with water leakage in Al Luqta area. Doha, Qatar, March 13, 2015
 Sorghum bicolor in Al Luqta area. Doha, Qatar, March 13, 2015
 Flowers of Sorghum bicolor in Al Luqta area. Doha, Qatar, March 13, 2015
 Large grains in globose spikelets of Sorghum bicolor in Al Luqta area. Doha, Qatar, March 13, 2015
 Buffelgrass (African foxtail grass, Cenchrus pennisetiformis) in Al Luqta area. Doha, Qatar, March 13, 2015
 Sudan grass (Sorghum sudanense, Sorghum x drummondii) taken from area at the corner of Al Ghadeeriyat and Al Ghafat streets in Umm Lekhba area. Doha, Qatar, February 3, 2016
 Spikelet of Malabar sprangletop (brown beetle-grass, Leptochloa fusca) in wet place in a roadside depression east from Al Jebail water treatment plant. Al Khor, Qatar, January 23, 2016
 Brown and white cat resting on water leakage on Umm Wishad Street, Musheirib area. Doha, Qatar, June 19, 2015
 Buffelgrass (African foxtail grass, Cenchrus pennisetiformis) with a stone fence background in Al Luqta area. Doha, Qatar, March 13, 2015
 Umbrella papyrus (Cyperus alternifolius) on 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
 Close up of umbrella papyrus (Cyperus alternifolius) taken from 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
 Seed head of umbrella papyrus (Cyperus alternifolius) taken from Sahat Al Luqta Street in Al Luqta area. Doha, Qatar, March 18, 2015
 Johnson grass (Sorghum halepense)(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 26, 2016
 Sida spinosa (Sida alba)(?) near water leakage area between Al Eithar and United Nations streets in Onaiza area. Doha, Qatar, August 19, 2015
 Spikelets of Johnson grass (Sorghum halepense)(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 26, 2016
 Close up of Johnson grass (Sorghum halepense)(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 26, 2016
 Spike of Johnson grass (Sorghum halepense)(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 26, 2016
 Plants of Sida spinosa (Sida alba) near water leakage area between Al Eithar and United Nations streets in Onaiza area. Doha, Qatar, June 30, 2015
 Sida spinosa (Sida alba) with a flower taken from water leakage area between Al Eithar and United Nations streets in Onaiza area. Doha, Qatar, October 5, 2015
 Plant of Sida spinosa (Sida alba) taken from water leakage area between Al Eithar and United Nations streets in Onaiza area. Doha, Qatar, October 5, 2015
 Sida spinosa (Sida alba) taken from water leakage area located between Al Eithar and United Nations streets in Onaiza area. Doha, Qatar, June 15, 2015
 Close up of Sida spinosa (Sida alba) with a flower taken from water leakage area between Al Eithar and United Nations streets in Onaiza area. Doha, Qatar, October 5, 2015
 Sida spinosa (Sida alba) with flower buds in water leakage area between Al Eithar and United Nations streets in Onaiza area. Doha, Qatar, June 30, 2015
 Plants of Sida spinosa (Sida alba) spreading near water leakage area between Al Eithar and United Nations streets in Onaiza area. Doha, Qatar, June 30, 2015
 Plant of Sida spinosa (Sida alba) taken from water leakage area located between Al Eithar and United Nations streets in Onaiza area. Doha, Qatar, June 15, 2015
 Johnson grass (Sorghum halepense) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
 Spikelet of finger grass (Chloris virgata) taken from Al Sham Street in Onaiza area. Doha, Qatar, April 20, 2015
 Plants of Sida spinosa (Sida alba) with flower buds in water leakage area between Al Eithar and United Nations streets in Onaiza area. Doha, Qatar, June 30, 2015
 Shoot of Sida spinosa (Sida alba) with flower buds in water leakage area between Al Eithar and United Nations streets in Onaiza area. Doha, Qatar, June 30, 2015
 Water morning glory (water spinach, water convolvulus, Ipomoea aquatica) near a water leakage site near sand processing plant near Irkhaya (Irkaya) Farms. Qatar, November 13, 2015
 Plant of Sida spinosa (Sida alba) on white background taken from water leakage area located between Al Eithar and United Nations streets in Onaiza area. Doha, Qatar, June 15, 2015
 Seeds of Johnson grass (Sorghum halepense) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
 Spikelet of buffelgrass (African foxtail grass, Cenchrus pennisetiformis) taken from Onaiza area near West Bay. Doha, Qatar, September 9, 2015
 Grass spikelet of Asian crabgrass (Digitaria bicornis) taken near Al Sham Street in Onaiza area. Doha, Qatar, June 3, 2015
 Spikelet of rabbitsfoot grass (Polypogon monspeliensis)(?) taken from eastern Al Jood Street in Onaiza area. Doha, Qatar, April 7, 2015
 White flowers of water morning glory (water spinach, water convolvulus, Ipomoea aquatica) near a water leakage site near sand processing plant near Irkhaya (Irkaya) Farms. Qatar, November 13, 2015
 Close up of seeds of Johnson grass (Sorghum halepense) taken from Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
 Prickly bur (Datura innoxia) on Sahat Al Luqta Street near crossing with Al Abeer Street in Al Luqta area. Doha, Qatar, March 18, 2015
 Sida spinosa (Sida alba) growing near a water leakage site between Al Eithar and United Nations streets in Onaiza area. Doha, Qatar, December 1, 2015
 Plant of Sida spinosa (Sida alba) near a water leakage site between Al Eithar and United Nations streets in Onaiza area. Doha, Qatar, June 21, 2015
 Sida spinosa (Sida alba) growing near a water leakage site between Al Eithar and United Nations streets in Onaiza area. Doha, Qatar, June 21, 2015
 Grass spikelet of Asian crabgrass (Digitaria bicornis) on white background taken near Al Sham Street in Onaiza area. Doha, Qatar, June 3, 2015
 Grass spikelet of Asian crabgrass (Digitaria bicornis) on dark background taken near Al Sham Street in Onaiza area. Doha, Qatar, June 3, 2015
 Sida spinosa (Sida alba) with black seeds taken from a water leakage site between Al Eithar and United Nations streets in Onaiza area. Doha, Qatar, December 7, 2015
 Grass Dichanthium foveolatum taken from Makkah Street in Al Luqta area. Doha, Qatar, March 15, 2016
 Sorghum ergot fungus (Claviceps africana) on johnsongrass (Sorghum halepense) in Bee Creek Park College Station, Texas, April 25, 2022
 Carica papaya near Sahat Al Luqta Street in Al Luqta area. Doha, Qatar, April 16, 2015
 Southern sandbur grass (Cenchrus echinatus) taken from Makkah Street in Al Luqta area. Doha, Qatar, March 15, 2016
 African foxtail grass (buffelgrass, Cenchrus pennisetiformis)(?) taken from Makkah Street in Al Luqta area. Doha, Qatar, March 15, 2016
 Johnson grass (Sorghum halepense) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 28, 2022
 Spikelet of sweet corn (Zea mays)(?) on Ibn Nusaih Street in Onaiza area. Doha, Qatar, March 13, 2015
 Blooming Johnson grass (Sorghum halepense) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 28, 2022
 Johnson grass (Sorghum halepense) near the creek under power lines in Bee Creek Park. College Station, Texas, July 21, 2020
 Sorghum ergot fungus (Claviceps africana) on johnsongrass (Sorghum halepense) on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, August 27, 2020
 Plant of Aerva javanica in Al Luqta area. Doha, Qatar, March 13, 2015
 River Red Gum (Eucalyptus camaldulensis) in Al Luqta area. Doha, Qatar, March 13, 2015
 Dill (Anethum graveolens) taken from Al Luqta area. Doha, Qatar, March 13, 2015
 Coriander (Coriandrum sativum) taken from Al Luqta area. Doha, Qatar, March 13, 2015
 Spikelet of winter wild oat (Avena sterilis) taken from area of Al Sham Street in West Bay. Doha, Qatar, March 4, 2015
 Seeds of Johnson grass (Sorghum halepense) in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2020
 Inflorescense of Johnson grass (Sorghum halepense) in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2020
 Bladder dock (Rumex vesicarius) taken from Al Luqta area. Doha, Qatar, March 13, 2015
 Prickly goldenfleece (Urospermum picroides) in Al Luqta area. Doha, Qatar, March 13, 2015
 Large plant of Aerva javanica in Al Luqta area. Doha, Qatar, March 13, 2015
 Sudangrass (Sorghum sudanense, Sorghum x drummondii) taken from area at the corner of Al Ghadeeriyat and Al Ghafat streets in Umm Lekhba area. Doha, Qatar, February 3, 2016
 Spikelet of sweet corn (Zea mays)(?) on white background taken from Ibn Nusaih Street in Onaiza area. Doha, Qatar, March 13, 2015
 Spikelet of sweet corn (Zea mays)(?) on white background taken from Ibn Nusaih Street in Onaiza area. Doha, Qatar, March 13, 2015
 Spikelet of sweet corn (Zea mays)(?) on Al Jood Street near corner with Saha 16 in Onaiza area. Doha, Qatar, March 8, 2015
 Grains of sudangrass (Sorghum sudanense, Sorghum x drummondii) taken from area at the corner of Al Ghadeeriyat and Al Ghafat streets in Umm Lekhba area. Doha, Qatar, February 3, 2016
 Stalk of sudangrass (Sorghum sudanense, Sorghum x drummondii) taken from area at the corner of Al Ghadeeriyat and Al Ghafat streets in Umm Lekhba area. Doha, Qatar, February 3, 2016
 Close up of sudangrass (Sorghum sudanense, Sorghum x drummondii) taken from area at the corner of Al Ghadeeriyat and Al Ghafat streets in Umm Lekhba area. Doha, Qatar, February 3, 2016
 Spikelet of blue panicgrass (Panicum antidotale) taken from area of water tank on roadside between Mesayeed and Harrarah. Qatar, October 30, 2015
 Cutleaf Heron s bill (Erodium laciniatum) taken from Al Luqta area. Doha, Qatar, March 13, 2015
 Flower of wild cotton (Gossypium herbaceum) in Al Luqta area. Doha, Qatar, March 13, 2015
 Flower of wild cotton (Gossypium herbaceum) taken from Al Luqta area. Doha, Qatar, March 13, 2015
 Flower of prickly goldenfleece (Urospermum picroides) taken from Al Luqta area. Doha, Qatar, March 13, 2015
 Leadtree (jumbay, Leucaena leucocephala) with fruits in Al Luqta area. Doha, Qatar, March 13, 2015
 Plant of prickly goldenfleece (Urospermum picroides) taken from Al Luqta area. Doha, Qatar, March 13, 2015
 Coriander (Coriandrum sativum) with white background taken from Al Luqta area. Doha, Qatar, March 13, 2015
 Bee on flowers of a Ghaf tree (Prosopis cineraria) in Al Luqta area. Doha, Qatar, March 13, 2015
 Johnsongrass (Sorghum halepense) infected by Sorghum ergot fungus (Claviceps africana) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Yellow flowers of Ghaf tree (Prosopis cineraria) taken from Al Luqta area. Doha, Qatar, March 13, 2015
 Puncturevine (Caltrop, Tribulus terrestris, local name hasak) taken from Al Luqta area. Doha, Qatar, March 13, 2015
 Close up of a maroon flower of wild cotton (Gossypium herbaceum) in Al Luqta area. Doha, Qatar, March 13, 2015
 Large toothbrush tree (Salvadora persica) on Al Nour Street in Al Luqta area. Doha, Qatar, March 13, 2015
 Blooming Rosin Weed (Cressa cretica, local names Senebiera, didyma, nedaiwa) in Al Luqta area. Doha, Qatar, March 13, 2015
 Spikelet of Hindi grass (Diaz bluestem, Dichanthium annulatum) in a silty depression on roadside of a road to Zubara, area of Al Magdah farms. Northern Qatar, October 24, 2015
 Close up of a spikelet of Hindi grass (Diaz bluestem, Dichanthium annulatum) in a silty depression on roadside of a road to Zubara, area of Al Magdah farms. Northern Qatar, October 24, 2015
 Spikelet of grass Awnless barnyard grass (Echinochloa colona?) in silty depression on roadside of a road from Dukhan to Al Jumayliyah. Western Qatar, March 1, 2014
 Blooming Rosin Weed (Cressa cretica, local names Senebiera, didyma, nedaiwa) with stone fence background in Al Luqta area. Doha, Qatar, March 13, 2015
 Blooming johnsongrass (Sorghum halepense) in area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 15, 2020
 Carica papaya plant near Sahat Al Luqta Street in Al Luqta area. Doha, Qatar, April 19, 2016
 Flowers of fine-leaf desert cassia (Cassia nemophila, Senna artemisioides subsp. filifolia) taken from Al Luqta area. Doha, Qatar, March 13, 2015
 Flowers of moong bean (Vigna radiata)(?) taken from area of Al Furqan Street in Al Luqta area. Doha, Qatar, April 16, 2015
 Branch with needle-shaped leaves of fine-leaf desert cassia (Cassia nemophila, Senna artemisioides subsp. filifolia) taken from Al Luqta area. Doha, Qatar, March 13, 2015
 Flowers of moong bean (Vigna radiata)(?) with dark background taken from area of Al Furqan Street in Al Luqta area. Doha, Qatar, April 16, 2015
 Cylindrical spikelet of grass Pennisetum divisum taken from roadside near entrance of Irkhaya (Irkaya) Farms. Qatar, November 13, 2015
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