 Fluffy seeds of distaff-thistle (Atractylis carduus) taken from roadside near Mesaieed. Qatar, May 27, 2016
 Dry plant of distaff-thistle (Atractylis carduus) with fluffy seeds near Mesaieed. Southern Qatar, May 27, 2016
 Dry plant of distaff-thistle (Atractylis carduus) with fluffy seeds on a roadside near Abu Nahlah. Qatar, April 25, 2014
 Fluffy seeds of Distaff-thistle (Atractylis carduus, local names jalwa, laymoony, shuwwaykh) on roadside of a road to Zubara in area of Al Magdah farms in northern Qatar, May 2, 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
 Dry plant of distaff-thistle (Atractylis carduus) near Mesaieed. Southern Qatar, May 27, 2016
 Fluffy seeds of distaff-thistle (Atractylis carduus, local names jalwa, laymoony, shuwwaykh) in a depression near Film City north from Zekreet in Ras Abrouq Peninsula. Qatar, June 24, 2016
 Close up of a flower bud of distaff-thistle (Atractylis carduus) in a large roadside depression near Route 77 to Ras Laffan. Qatar, February 6, 2016
 Distaff-thistle (Atractylis carduus, local names jalwa, laymoony, shuwwaykh) with seeds in a depression north from Zekreet in Ras Abrouq Peninsula. Qatar, June 24, 2016
 Fluffy seed head of distaff-thistle (Atractylis carduus, local names jalwa, laymoony, shuwwaykh) in a depression near Film City north from Zekreet in Ras Abrouq Peninsula. Qatar, June 24, 2016
 Flower of distaff-thistle (Atractylis carduus, local names jalwa, laymoony, shuwwaykh) taken from a roadside of Salwa Highway. Southern Qatar, April 8, 2016
 Distaff-thistle (Atractylis carduus, local names jalwa, laymoony, shuwwaykh) with a flower bud in a large roadside depression near Route 77 to Ras Laffan. Qatar, February 6, 2016
 Crashed flower of distaff-thistle (Atractylis carduus, local names jalwa, laymoony, shuwwaykh) taken from a roadside of Salwa Highway. Southern Qatar, April 8, 2016
 Distaff-thistle (Atractylis carduus, local names jalwa, laymoony, shuwwaykh) on roadside of a road to Zubara in area of Al Magdah farms in northern Qatar, May 2, 2014
 Distaff-thistle (Atractylis carduus, local names jalwa, laymoony, shuwwaykh) on a rocky ridge of Jebel Fuwairit. Northern Qatar, February 19, 2016
 Distaff-thistle (Atractylis carduus, local names jalwa, laymoony, shuwwaykh) on a gravel plane near a road to Harrarah (Al Kharrarah). Southern Qatar, April 23, 2016
 Distaff-thistle (Atractylis carduus, local names jalwa, laymoony, shuwwaykh) with fruits in a depression near Film City north from Zekreet in Ras Abrouq Peninsula. Qatar, June 24, 2016
 Distaff-thistle (Atractylis carduus, local names jalwa, laymoony, shuwwaykh) in a runnel north from Dukhan in western Qatar, March 3, 2014
 Yellow distaff-thistle (Atractylis carduus, local names jalwa, laymoony, shuwwaykh) near a road north from Ash Shahaniyah. Western Qatar, March 1, 2014
 Yellow distaff-thistle (Atractylis carduus, local names jalwa, laymoony, shuwwaykh) on a rocky ridge of Jebel Fuwairit. Northern Qatar, March 20, 2015
 Yellow distaff-thistle (Atractylis carduus, local names jalwa, laymoony, shuwwaykh) in desert near industrial zone of Ras Laffan, north from Doha. Qatar, March 23, 2013
 Yellow distaff-thistle (Atractylis carduus, local names jalwa, laymoony, shuwwaykh) in desert of Harrarah, 40 miles south-west from Doha. Qatar, March 2, 2012
 Yellow distaff-thistle (Atractylis carduus, local names jalwa, laymoony, shuwwaykh) in a small wadi near Green Circles (center-pivot irrigation) in Irkhaya Farms. South-western Qatar, March 29, 2014
 Fluffy seeds of Leptadenia pyrotechnica taken from roadside of Salwa Road in Southern Qatar, June 10, 2016
 Fluffy seeds of yellow thistle (Bull thistle, Cirsium horridulum) on sewage line right-of-way in Lick Creek Park. College Station, Texas, May 2, 2023
 Blooming Linaria albifrons on dark background taken from a roadside south from Ras Laffan. North-eastern Qatar, February 19, 2016
 Plant of Linaria albifrons on dark background on roadside south from Ras Laffan. North-eastern Qatar, February 19, 2016
 Plant of Linaria albifrons on dark background taken from a roadside south from Ras Laffan. North-eastern Qatar, February 19, 2016
 Seeds of wild gourd (Cucumis prophetarum) on dark background taken from Umm Houtah in Southern Qatar, January 16, 2015
 Seeds on dark background of pink tamarisk (Tamarix aucheriana) taken from swampy area behind Al Khor Hospital. Qatar, February 14, 2015
 Fluffy seeds of thistle (Cirsium) in Lick Creek Park. College Station, Texas, May 20, 2014
 Seeds and flowers of pink tamarisk (Tamarix aucheriana) on dark background taken from swampy area behind Al Khor Hospital. Qatar, February 14, 2015
 Fluffy seeds of thistle (Cirsium) in Lick Creek Park. College Station, Texas, August 1, 2021
 Fluffy seeds of bull thistle (Cirsium horridulum) in Lick Creek Park. College Station, Texas, May 7, 2018
 Dry plant of Launaea nudicaulis(?) or may be L. procumbens with seeds near Mesaieed. Southern Qatar, May 27, 2016
 Fluffy seeds of thistle (Cirsium) in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 20, 2022
 Dry plants on roadside near Mesaieed. Southern Qatar, May 27, 2016
 Yellow flower and white fluffy seeds of sow thistle (Sonchus oleraceus) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024
 Twig of Salsola drummondii with clavate and club-shaped leaves on dark background taken from roadside in Abu Samra, near the border. Southern Qatar, April 25, 2015
 Close up of Salsola drummondii with clavate and club-shaped variation of leaves on dark background taken from roadside in Abu Samra, near the border. Southern Qatar, April 25, 2015
 Fluffy seeds of Sewan grass (Lasiurus scindicus) on sand dunes in Maszhabiya (Al Mashabiya) Reserve near Abu Samra. Southern Qatar, April 29, 2016
 Fluffy seeds of Sewan grass (Lasiurus scindicus) on sand dunes in Maszhabiya (Al Mashabiya) Reserve near Abu Samra. Southern Qatar, April 8, 2016
 Accumulation of fluffy seeds of Sewan grass (Lasiurus scindicus) in sand dunes in Maszhabiya (Al Mashabiya) Reserve near Abu Samra. Southern Qatar, April 29, 2016
 Horsebean (paloverde, Ratama, Parkinsonia aculeata) on roadside of a road to Mesaieed. Qatar, March 4, 2016
 Horsebean (paloverde, Ratama, Parkinsonia aculeata) grown on roadside of a road to Mesaieed. Qatar, March 4, 2016
 Spikelets of grass Chrysopogon plumulosus on dark background near Sawda Natheel Road. Southern Qatar, February 26, 2016
 Narrow leaves of Horsebean (paloverde, Ratama, Parkinsonia aculeata) on roadside of a road to Mesaieed. Qatar, March 4, 2016
 Hard vetch (Vicia monantha) on dark background taken from Ibn Nusaih Street in Onaiza area. Doha, Qatar, January 26, 2016
 White clover (Trifolium repens) on dark background taken from Mareb Street in Onaiza area. Doha, Qatar, April 18, 2016
 Lamb s quarters (Chenopodium album) on dark background taken from Ibn Nusaih Street in Onaiza area. Doha, Qatar, March 17, 2016
 Mediterranean amaranth (short-tepalled pigweed, Amaranthus graecizans) on dark background taken from Onaiza area. Doha, Qatar, March 24, 2016
 Hard vetch (Vicia monantha) with flowers on dark background taken from Ibn Nusaih Street in Onaiza area. Doha, Qatar, January 26, 2016
 Fruits of Khozama plant (Horwoodia dicksoniae) on dark background taken from a border of Al Defai Farm in Lebwairda area north from Al Khor. Qatar, April 16, 2016
 Some slender plant of aster(?) family on dark background on a periphery of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 22, 2016
 Seidlitzia rosmarinus in sand near Mesaieed, with Sealine Beach Resort in background. Southern Qatar, July 4, 2015
 Grass of Chrysopogon plumulosus on white background in roadside depression of Dukhan Highway. Qatar, January 15, 2016
 Plant of Linaria albifrons on white background on roadside south from Ras Laffan. North-eastern Qatar, February 19, 2016
 Plant of Linaria albifrons on white background taken from a roadside south from Ras Laffan. North-eastern Qatar, February 19, 2016
 Blooming Linaria albifrons on white background taken from a roadside south from Ras Laffan. North-eastern Qatar, February 19, 2016
 Seeds of common tumbleweed (Amaranthus albus) taken from roadside depression of Dukhan Highway. Qatar, January 15, 2016
 Flower of Linaria albifrons with a picture of a desert as background taken from a roadside south from Ras Laffan. North-eastern Qatar, February 19, 2016
 Plant of Linaria albifrons with a picture of a desert as background taken from a roadside south from Ras Laffan. North-eastern Qatar, February 19, 2016
 Blooming Linaria albifrons with a picture of a desert as background taken from a roadside south from Ras Laffan. North-eastern Qatar, February 19, 2016
 Sandy area at sunrise near Mesaieed, view to south-east, with Sealine Beach Resort in background. Southern Qatar, July 10, 2015
 Seeds of yellow thistle (Bull thistle, Cirsium horridulum) on sewage line right-of-way in Lick Creek Park. College Station, Texas, May 2, 2023
 Arrangement of seeds of yellow thistle (Bull thistle, Cirsium horridulum) on sewage line right-of-way in Lick Creek Park. College Station, Texas, May 2, 2023
 Fluffy seeds of Sodom Apple (Calotropis procera) taken from Al Sham Street in West Bay. Doha, Qatar, March 8, 2014
 Sand mounds (habitat of Seidlitzia rosmarinus) near Mesaieed, with Sealine Beach Resort in background, view to south-east. Southern Qatar, July 10, 2015
 Seed head of smooth sow thistle (Sonchus oleraceus) in a roadside depression east from Al Jebail water treatment plant. Al Khor, Qatar, January 23, 2016
 Fluffy seeds of a plant of aster family in desert near industrial zone of Ras Laffan, north from Doha. Qatar, March 23, 2013
 Salsola drummondii taken from roadside between Mesaieed and Al Wakra. Qatar, July 4, 2015
 Smooth sow thistle (Sonchus oleraceus) grown near acacia tree in windblown sand on roadside of Salwa Road in area of Khashem Al Nekhsh. Southern Qatar, March 18, 2016
 Sand Spurry (Spergularia diandra?) with flowers and black seeds on a roadside east from Al Jebail water treatment plant. Al Khor, Qatar, January 23, 2016
 Plant of Cleome Clover (Cleome amblyocarpa) on white background on roadside of a road to Sawda Natheel. Southern Qatar, March 18, 2016
 Branch of Salsola drummondii taken from roadside between Mesaieed and Al Wakra. Qatar, July 4, 2015
 Twigs of Salsola drummondii taken from roadside between Mesaieed and Al Wakra. Qatar, July 4, 2015
 Close up of Salsola drummondii taken from roadside between Mesaieed and Al Wakra. Qatar, July 4, 2015
 Salsola drummondii on roadside between Mesaieed and Al Wakra. Southern Qatar, July 4, 2015
 Seed head and a flower of a plant Koelpinia linearis on white background in windblown sand on roadside of Salwa Road in area of Khashem Al Nekhsh. Southern Qatar, March 18, 2016
 Shoots of Salsola drummondii on roadside between Mesaieed and Al Wakra. Southern Qatar, July 4, 2015
 Twig of seablite (Suaeda vermiculata) taken from roadside between Mesaieed and Al Wakra. Qatar, July 10, 2015
 Twig Salsola drummondii on roadside between Mesaieed and Al Wakra. Southern Qatar, July 4, 2015
 Pyramid spike of bright yellow flowers of a parasitic plant Cistanche tubulosa (desert hyacinth, dhanoon, Tartuth) with mangrove in background. Salt marsh near Mesaieed, Qatar, January 29, 2010
 Dry plant of Fagonia indica(?) with seeds on roadside in area of Jebel Al-Nakhsh (Khashm an Nakhsh). South-western Qatar, June 10, 2016
 Branch of seablite (Suaeda vermiculata) on roadside between Mesaieed and Al Wakra. Southern Qatar, July 10, 2015
 Bush of seablite (Suaeda vermiculata) on roadside between Mesaieed and Al Wakra in Southern Qatar, July 10, 2015
 Winter rosette of musk thistle (Carduus nutans, Asteraceae) in Bastrop State Park. Bastrop, Texas, February 23, 2020
 Musk thistle (Carduus nutans) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2021
 Flower of musk thistle (Carduus nutans) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Blooming musk thistle (Carduus nutans) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Musk thistle (Carduus nutans) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Flower head of musk thistle (Carduus nutans) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Thorny flowers of musk thistle (Carduus nutans) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Winter rosette of milk thistle (Carduus marianus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 7, 2024
 Winter rosette of milk thistle (Carduus marianus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 16, 2023
 Round-leaf variety of seablite (Suaeda vermiculata) on roadside between Mesaieed and Al Wakra. Qatar, July 10, 2015
 Close-up of a flower head of musk thistle (Carduus nutans) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Leaf of celery (Apium graveolens) on dark background taken from Al Khair Street in Lejbailat area. Doha, Qatar, May 10, 2015
 Close up of round-leaf variety of seablite (Suaeda vermiculata) taken from roadside between Mesaieed and Al Wakra. Qatar, July 10, 2015
|