 Seeds of wild gourd (Cucumis prophetarum) taken from Umm Houtah in Southern Qatar, January 16, 2015
 Ripe fruit of wild gourd (Cucumis prophetarum) taken from Umm Houtah in Southern Qatar, January 16, 2015
 Wild gourd (Cucumis prophetarum) on roadside of a road from Khawzan to Al-Jumayliyah. Qatar, April 9, 2016
 Flower of wild gourd (Cucumis prophetarum) on roadside of a road from Khawzan to Al-Jumayliyah. Qatar, April 9, 2016
 Wild gourd (Cucumis prophetarum) on roadside of a road to Al Nuaman (Al Numan) near Zubara. Northern Qatar, December 12, 2014
 Fruit of wild gourd (Cucumis prophetarum) taken from roadside of a road to Al Nuaman (Al Numan) near Zubara. Northern Qatar, December 12, 2014
 Flower of wild gourd (Cucumis prophetarum) on roadside of a road to Al Nuaman (Al Numan) near Zubara. Northern Qatar, December 12, 2014
 Ripe fruit of wild gourd (Cucumis prophetarum) on roadside of a road to Al Nuaman (Al Numan) near Zubara. Northern Qatar, December 12, 2014
 Green fruits of wild gourd (Cucumis prophetarum) on roadside of a road to Al Nuaman (Al Numan) near Zubara. Northern Qatar, December 12, 2014
 Green fruit of wild gourd (Cucumis prophetarum) taken from roadside of a road to Al Nuaman (Al Numan) near Zubara. Northern Qatar, December 12, 2014
 Dissected fruit of wild gourd (Cucumis prophetarum) taken from roadside of a road to Al Nuaman (Al Numan) near Zubara. Northern Qatar, December 12, 2014
 Yellow fruit on a plant of wild gourd (Cucumis prophetarum) on roadside of a road to Al Nuaman (Al Numan) near Zubara. Northern Qatar, December 12, 2014
 Close up of a green fruit of wild gourd (Cucumis prophetarum) on roadside of a road to Al Nuaman (Al Numan) near Zubara. Northern Qatar, December 12, 2014
 Yellow flower with ovary of wild gourd (Cucumis prophetarum) on roadside of a road to Al Nuaman (Al Numan) near Zubara. Northern Qatar, December 12, 2014
 Close up of a ripe yellow fruit of wild gourd (Cucumis prophetarum) on roadside of a road to Al Nuaman (Al Numan) near Zubara. Northern Qatar, December 12, 2014
 Old mosque in Umm Houtah. Southern Qatar, January 16, 2015
 Flowers of Psoralea plicata (Cullen plicatum, local names hama, Jhil) in Umm Houtah. Southern Qatar, January 16, 2015
 Flowers and fruits of Psoralea plicata (Cullen plicatum, local names hama, Jhil) in Umm Houtah. 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
 Seeds and flowers of pink tamarisk (Tamarix aucheriana) on dark background taken from swampy area behind Al Khor Hospital. Qatar, February 14, 2015
 Desert gourd Citrullus colocynthis (Cucumis colocynthis, local names handal, shary, Handhal) near a road to Sawda Natheel in southern Qatar, February 11, 2014
 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
 Flower of desert gourd Citrullus colocynthis (Cucumis colocynthis, local names handal, shary, Handhal) near a road to Sawda Natheel in southern Qatar, February 11, 2014
 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
 Desert gourd Citrullus colocynthis (bitter apples, Cucumis colocynthis, local names handal, shary, Handhal) near a road to Sawda Natheel in southern Qatar, February 11, 2014
 Ripe yellow fruits of wild muskmelon (Cucumis melo, Dudaim melon, gourd family) in Lake Bryan Park. Bryan, Texas, November 8, 2012
 Frozen wild muskmelon (Cucumis melo, Dudaim melon, gourd family) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, December 1, 2011
 Frozen fruits of wild muskmelon (Cucumis melo, Dudaim melon, gourd family) in TAMU Holistic Garden in Texas A and M University. College Station, Texas, December 7, 2011
 Fluffy seeds of distaff-thistle (Atractylis carduus) on dark background taken from roadside near Mesaieed. Qatar, May 27, 2016
 Desert gourd Citrullus colocynthis (Cucumis colocynthis, local names handal, shary, Handhal) in a silty depression in Al Nuaman (Naim tribe, Nuaimiya) near Zubara. Northern Qatar, March 28, 2015
 Spikelets of grass Chrysopogon plumulosus on dark background near Sawda Natheel Road. Southern Qatar, February 26, 2016
 Desert gourd Citrullus colocynthis (Cucumis colocynthis) taken from area of Al Khor. Qatar, December 5, 2014
 Leaf of celery (Apium graveolens) on dark background taken from Al Khair Street in Lejbailat area. Doha, Qatar, May 10, 2015
 Finger grass (Chloris virgata) on dark background taken from Al Sham Street in Onaiza area. Doha, Qatar, April 20, 2015
 Blue flower of cowpea (Vigna unguiculata) on dark background taken from Al Wosail Street in Onaiza area. Doha, Qatar, April 27, 2015
 Bell weed (Ruellia prostrata) on dark background taken from Al Bidda Street near crossing with Al Adaid in West Bay. Doha, Qatar, April 28, 2015
 Flowers of mangrove tree (Avicennia marina) on dark background near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 24, 2015
 Grass spikelet of Asian crabgrass (Digitaria bicornis) on dark background taken near Al Sham Street in Onaiza area. Doha, Qatar, June 3, 2015
 Indian love grass (Eragrostis pilosa) on dark background taken from a park at Al Intisar Street near a corner with Onaiza. Doha, Qatar, December 3, 2015
 Brittle naiad aquatic plant (Najas marina) on dark background taken from Abu Nakhla wastewater treatment ponds. Doha, Qatar, February 27, 2015
 Hard vetch (Vicia monantha) on dark background taken from Ibn Nusaih Street in Onaiza area. Doha, Qatar, January 26, 2016
 Snake tongue grass (Corymbose Hedyotis, Oldenlandia corymbosa) on dark background taken from Al Sanaa Street in Al Jebailat area near West Bay. Doha, Qatar, May 7, 2015
 Shoot of wild jute (Corchorus trilocularis) on white background in a depression on roadside of a road to Zubara, area of Al Magdah farms. Northern Qatar, November 7, 2015
 Hard vetch (Vicia monantha) with flowers on dark background taken from Ibn Nusaih Street in Onaiza area. Doha, Qatar, January 26, 2016
 Toothed leaves of brittle naiad aquatic plant (Najas marina) on dark background taken from Abu Nakhla wastewater treatment ponds. Doha, Qatar, February 27, 2015
 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
 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
 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
 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
 Grass Dactyloctenium aristatum (local name Najm) on dark background taken from Al Istiqlal Street Street in Onaiza area. Doha, Qatar, April 30, 2015
 Seidlitzia rosmarinus in sand near Mesaieed, with Sealine Beach Resort in background. Southern Qatar, July 4, 2015
 Flower of velvetleaf (Abutilon pannosum var. figarianum) on dark background taken from extension of Al Kharais Street behind gas station on Al Sham Street in West Bay. Doha, Qatar, April 4, 2015
 Close up of a flower of velvetleaf (Abutilon pannosum var. figarianum) on dark background taken from extension of Al Kharais Street behind gas station on Al Sham Street in West Bay. Doha, Qatar, April 4, 2015
 Sandy area at sunrise near Mesaieed, view to south-east, with Sealine Beach Resort in background. Southern Qatar, July 10, 2015
 Sand mounds (habitat of Seidlitzia rosmarinus) near Mesaieed, with Sealine Beach Resort in background, view to south-east. Southern Qatar, July 10, 2015
 Seeds of desert gourd Citrullus colocynthis (bitter apples) taken from a road to Al Jumayliyah in north-western Qatar, December 6, 2014
 Spikelets of little seed canary grass (Phalaris minor) on black background taken from southern section of Al Eithar Street in Onaiza area. Doha, Qatar, June 15, 2015
 Common purslane (wild portulaca, Portulaca oleracea, local names barbeer, rijla, bagla) with seeds on waste ground on Al Shatt Street in Onaiza area. Doha, Qatar, January 26, 2016
 Lunaria (Savignya parviflora, local name Gilgilan) with seeds in windblown sand on roadside of Salwa Road in area of Rawdat Ekdaim. Southern Qatar, April 11, 2015
 Seeds of Tetraena qatarense (Zygophyllum qatarense) in sand near Qulmat Al Maszhabiya in Al Mashabiya Reserve near Abu Samra. Southern Qatar, October 31, 2015
 Wild cotton (Gossypium herbaceum) taken Al Istiqlal Street near West Bay. Doha, Qatar, January 5, 2015
 Flowers and fruits of Dipterygium glaucum (Cleome pallida Kotschy, Dipterygium scabrum) on white background on roadside of Salwa Road in area of Rawdat Ekdaim. Southern Qatar, April 10, 2015
 Dissected fruits of wild cotton (Gossypium herbaceum) taken Al Istiqlal Street near West Bay. Doha, Qatar, January 5, 2015
 Wild muskmelon (Cucumis melo, Dudaim melon) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, October 16, 2024
 Flower of desert gourd Citrullus colocynthis taken from roadside of Salwa Road. Southern Qatar, November 29, 2014
 Rare plant Koelpinia linearis with seeds in windblown sand on southern side of Salwa Road in area of Khashem Al Nekhsh. Southern Qatar, March 18, 2016
 Seeds of Field Marigold (Calendula arvensis) taken from roadside near Al Khor Hospital. Qatar, January 9, 2015
 Date palm seeds at archeological display near Zubara Fort. Northern Qatar, January 24, 2015
 Common purslane (wild portulaca, Portulaca oleracea, local names barbeer, rijla, bagla) in windblown sand on roadside of Salwa Road in area of Rawdat Ekdaim. Southern Qatar, April 11, 2015
 Wild muskmelon (Cucumis melo, Dudaim melon) on utility cutting in Lake Bryan Park. Bryan, Texas, December 4, 2012
 Field of desert watermellons Citrullus colocynthis (Cucumis colocynthis, local names handal, shary, Handhal) near a road to Sawda Natheel in southern Qatar, February 11, 2014
 Accumulation of dry seeds of Medicago laciniata on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, January 9, 2015
 Flower and seeds of Field Marigold (Calendula arvensis) taken from roadside near Al Khor Hospital. Qatar, January 9, 2015
 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
 Blooming Linaria albifrons on dark background taken from a roadside south from Ras Laffan. North-eastern Qatar, February 19, 2016
 Orange fruits of wild muskmelon (Cucumis melo, Dudaim melon) on utility cutting in Lake Bryan Park. Bryan, Texas, November 18, 2012
 Fall colors of wild muskmelon (Cucumis melo, Dudaim melon) on utility cutting in Lake Bryan Park. Bryan, Texas, November 22, 2012
 Tansy mustard with sandstone rock covered by dark lichen in background in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
 Cap of polypore mushrooms Gloeophyllum striatum or may be Trametes acuta on dark background in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 24, 2021
 Section of wild muskmelon (Cucumis melo, Dudaim melon) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, October 16, 2024
 Seedling of bitter gourd (Citrullus colocynthis) on roadside of a road to Umm Hota Village, near Sawda Natheel. Southern Qatar, February 5, 2016
 Cornulaca aucheri on dark background taken from a beach in the area of Al Hamala (Al Hamlah) Water Well near Umm Bab. South-western Qatar, November 7, 2014
 Lamb s quarters (Chenopodium album) on dark background taken from Ibn Nusaih Street in Onaiza area. Doha, Qatar, March 17, 2016
 White clover (Trifolium repens) on dark background taken from Mareb Street in Onaiza area. Doha, Qatar, April 18, 2016
 Orange fruits on a frozen wild muskmelon (Cucumis melo, Dudaim melon) on utility cutting in Lake Bryan Park. Bryan, Texas, November 22, 2012
 Half eaten fruit of wild muskmelon (Cucumis melo, Dudaim melon) on utility cutting in Lake Bryan Park. Bryan, Texas, October 31, 2012
 Gills of polypore mushrooms Gloeophyllum striatum or may be Trametes acuta on dark background in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 24, 2021
 Flowers of field mustard (wild turnip, Brassica rapa) on Green Circles (center-pivot irrigation) in Irkhaya Farms. Qatar, January 16, 2015
 Mediterranean amaranth (short-tepalled pigweed, Amaranthus graecizans) on dark background taken from Onaiza area. Doha, Qatar, March 24, 2016
 Shoot of Suaeda aegyptiaca(?) on dark background taken from a beach in the area of Al Hamala (Al Hamlah) Water Well near Umm Bab. South-western Qatar, November 7, 2014
 Seeds of Argentine peppercress (Lepidium bonariense) on Green Circles (center-pivot irrigation) in Irkhaya Farms. Qatar, January 16, 2015
 Side view of orange mushrooms Xeromphalina tenuipes (Heimiomyces tenuipes) growing on a twig against a dark oak log background in Lick Creek Park. College Station, Texas, January 3, 2020
 Flowers and seeds of Argentine peppercress (Lepidium bonariense) on Green Circles (center-pivot irrigation) in Irkhaya Farms. Qatar, January 16, 2015
 Decorations at the entrance of Al Aamriyah. Southern Qatar, January 16, 2015
 Dark-red inflorescence of Desert Thumb (Cynomorium coccineum, local name tartouth) on a beach in the area of Al Hamala (Al Hamlah) Water Well near Umm Bab. South-western Qatar, January 10, 2015
 Rotten last year bitter gourd (Citrullus colocynthis, local names handal, shary, Handhal) on a roadside of Abu Samra Road in southern Qatar, February 11, 2014
 Field of rotten desert gourd (Citrullus colocynthis, local names handal, shary, Handhal) on a roadside of Abu Samra Road in southern Qatar, February 11, 2014
 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
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