 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
 Flower spikes of bright yellow flowers of a parasitic plant Cistanche tubulosa (desert hyacinth, dhanoon, Tartuth) popping from cyanobacterial crust of salt marsh. Southeast coastal area near Mesaieed, Qatar, January 29, 2010
 Bright yellow flowers of a parasitic plant Cistanche tubulosa (desert hyacinth, dhanoon, Tartuth). Salt marsh near Mesaieed, Qatar, March 18, 2011
 Pyramid flower spike of a parasitic plant Cistanche tubulosa (desert hyacinth, dhanoon, Tartuth). Salt marsh near Mesaieed, Qatar, January 29, 2010
 Yellow and maroon flower buds emerging from sand of a parasitic plant Cistanche tubulosa (desert hyacinth, dhanoon, Tartuth) appear in a desert after recent rains. Salt marsh near Mesaieed, Qatar, January 29, 2010
 Parasitic plant Desert Hyacinth (Cistanche tubulosa, dhanoon, Tartuth) with a host plant, salt tolerant succulent Arthrocnemum macrostachyum (glasswort). Salt marsh near Mesaieed, Qatar, January 29, 2010
 Pyramid flower spike of a parasitic plant Cistanche tubulosa (desert hyacinth, dhanoon, Tartuth) in Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, March 4, 2011
 Flower bud of a parasitic plant Cistanche tubulosa (desert hyacinth, dhanoon, Tartuth). Harrarah, 40 miles south-west from Doha. Qatar, March 5, 2010
 Flower of a parasitic plant Cistanche tubulosa (desert hyacinth, dhanoon, Tartuth). Harrarah, 40 miles south-west from Doha. Qatar, March 5, 2010
 Emerging parasitic plant Cistanche tubulosa (desert hyacinth, dhanoon, Tartuth) near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, January 9, 2015
 Parasitic plant Desert Hyacinth (Cistanche tubulosa, dhanoon, Tartuth) with a host plant, salt tolerant succulent Arthrocnemum macrostachyum (glasswort, local name shnaan) in Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, March 4, 2011
 Parasitic plant Desert Hyacinth (Cistanche tubulosa, dhanoon, Tartuth) on a roadside near Abu Nahlah. Qatar, April 25, 2014
 Flower buds of a parasitic plant Cistanche tubulosa (desert hyacinth, dhanoon, Tartuth) near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, January 9, 2015
 Cistanche tubulosa (desert hyacinth, dhanoon, Tartuth) in salt marsh near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, March 7, 2014
 Stout form of a parasitic plant Cistanche tubulosa (desert hyacinth, dhanoon, Tartuth) in Al Harrarah. Qatar, March 4, 2016
 Blooming parasitic plant Cistanche tubulosa (desert hyacinth, dhanoon, Tartuth) with a host plant Tetraena near Al Khor Hospital. Qatar, February 6, 2015
 Parasitic plant Desert Hyacinth (Cistanche tubulosa, dhanoon, Tartuth) with a host plant Zygophyllum qatarense at entrance of Umm Bab in south-western Qatar, February 21, 2014
 Parasitic plants Cistanche tubulosa (desert hyacinth, dhanoon, Tartuth) in bloom. Harrarah, 40 miles south-west from Doha. Qatar, March 5, 2010
 Parasitic plant Desert Hyacinth (Cistanche tubulosa, dhanoon, Tartuth) on a beach in the area of Al Hamala (Al Hamlah) Water Well near Umm Bab in south-western Qatar, March 3, 2014
 Flower spike of a parasitic plant Cistanche tubulosa (desert hyacinth, dhanoon, Tartuth) in Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, March 4, 2011
 Blooming parasitic plant Cistanche tubulosa (desert hyacinth, dhanoon, Tartuth) with a host plant Arthrocnemum macrostachyum near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, February 6, 2015
 Tall plant of a parasitic plant Desert Hyacinth (Cistanche tubulosa, dhanoon, Tartuth) in windblown sand on roadside of Salwa Road in area of Rawdat Ekdaim. Southern Qatar, March 21, 2015
 Parasitic plant Desert Hyacinth (Cistanche tubulosa, dhanoon, Tartuth) in windblown sand on roadside of Salwa Road in area of Khashem Al Nekhsh. Southern Qatar, March 4, 2016
 Parasitic plant Cistanche tubulosa (desert hyacinth, dhanoon, Tartuth) with flower buds in windblown sand on roadside of Salwa Road in area of Khashem Al Nekhsh. Southern Qatar, March 18, 2016
 Stout form of a parasitic plant Cistanche tubulosa (desert hyacinth, dhanoon, Tartuth) in windblown sand on roadside of Salwa Road in area of Khashem Al Nekhsh. Southern Qatar, March 18, 2016
 Stout form of a parasitic plant Cistanche tubulosa (desert hyacinth, dhanoon, Tartuth) near a sand fence on roadside of Salwa Road in area of Khashem Al Nekhsh. Southern Qatar, March 18, 2016
 Desert Hyacinth (Cistanche tubulosa, dhanoon, Tartuth) with a host plant Zygophyllum qatarense at entrance of Umm Bab in south-western Qatar, March 3, 2014
 Flowers of Cistanche tubulosa (desert hyacinth, dhanoon, Tartuth) on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, March 7, 2014
 Flowers of Cistanche tubulosa (desert hyacinth, dhanoon, Tartuth) in Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, March 4, 2011
 Blooming plant of Cistanche tubulosa (desert hyacinth, dhanoon, Tartuth) at sunrise near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, February 6, 2015
 Flowers of Cistanche tubulosa (desert hyacinth, dhanoon, Tartuth) in sand near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, February 6, 2015
 Flowers of Cistanche tubulosa (desert hyacinth, dhanoon, Tartuth) emerging from sand near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, February 6, 2015
 Emerging flowers of Cistanche tubulosa (desert hyacinth, dhanoon, Tartuth) at sunrise near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, February 6, 2015
 Desert Hyacinth (Cistanche tubulosa, dhanoon, Tartuth) on a beach in southern Al Wakra. Qatar, February 7, 2015
 Cistanche tubulosa (desert hyacinth, dhanoon, Tartuth) on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, March 7, 2014
 Blooming Cistanche tubulosa (desert hyacinth, dhanoon, Tartuth) near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, February 6, 2015
 Emerging flower of Cistanche tubulosa (desert hyacinth, dhanoon, Tartuth) near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, February 6, 2015
 Flower spike of Cistanche tubulosa (desert hyacinth, dhanoon, Tartuth) in sand near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, February 6, 2015
 Flower of Cistanche tubulosa (desert hyacinth, dhanoon, Tartuth) growing from sand near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, February 6, 2015
 Flower of Cistanche tubulosa (desert hyacinth, dhanoon, Tartuth) appearing from sand near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, February 6, 2015
 Emerging flower of Cistanche tubulosa (desert hyacinth, dhanoon, Tartuth) at sunrise near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, February 6, 2015
 Dry inflorescence of Desert Hyacinth (Cistanche tubulosa, dhanoon, Tartuth) in windblown sand on roadside of Salwa Road in area of Rawdat Ekdaim. Southern Qatar, April 11, 2015
 Parasitic plant Cistanche tubulosa (desert hyacinth) emerging from sand near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, January 9, 2015
 Parasitic plant Desert Hyacinth (Cistanche tubulosa) with a host plant Arthrocnemum macrostachyum (glasswort, local name shnaan) in Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, January 9, 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
 Parasitic plant Desert Hyacinth (Cistanche tubulosa) with a host plant Haloxylon salicornicum in windblown sand on roadside of Salwa Road in area of Khashem Al Nekhsh. Southern Qatar, March 18, 2016
 Desert Hyacinth (Cistanche tubulosa) with a host plant, a salt tolerant succulent, at Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Desert Hyacinth (Cistanche tubulosa, Cistanche phelypaea, Lathraea phelypaea, local names zanoon, Wedaina) at entrance of Umm Bab in south-western Qatar, February 21, 2014
 Flower of Desert Hyacinth (Cistanche tubulosa, Cistanche phelypaea, Lathraea phelypaea, local names zanoon, Wedaina) at entrance of Umm Bab in south-western Qatar, February 21, 2014
 Flower buds of Desert Hyacinth (Cistanche tubulosa, Cistanche phelypaea, Lathraea phelypaea, local names zanoon, Wedaina) at entrance of Umm Bab in south-western Qatar, February 21, 2014
 Salt marsh with plants of Glaucous glasswort (Arthrocnemum macrostachyum) in southeast coastal area near Mesaieed. Qatar, January 29, 2010
 Flowers of Cistanche tubulosa at salt marshes near Umm Tays Island in Madinat Al Shamal area. Qatar, March 14, 2014
 Camels in a salt marsh near Mesaieed. Qatar, March 18, 2011
 Grazing camels in a salt marsh near Mesaieed. Qatar, March 18, 2011
 Salt tolerant parasitic plants 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
 Star shaped prostrate yellow flowers of a desert plant Aizoon canariense (local name Jafna). Harrarah, 40 miles south-west from Doha, Qatar, March 12, 2010
 Parasitic plant Desert Thumb (Cynomorium coccineum, local name tartouth) with a host plant Zygophyllum qatarense on a beach in the area of Al Hamala (Al Hamlah) Water Well near Umm Bab. South-western Qatar, January 10, 2015
 Succulent leaves of salt tolerant plant Tetraena qatarense (Zygophyllum qatarense) in desert on hills of Harrarah, 40 miles south-west from Doha. Qatar, March 5, 2010
 Yellow hairy caterpillar of Salt Marsh Moth (Estigmene acrea) on dock (Rumex) in Lick Creek Park. College Station, Texas, April 27, 2010
 Dissected fleshy inflorescence of a parasitic plant Desert Thumb (Cynomorium coccineum, local name tartouth) taken from a beach in the area of Al Hamala (Al Hamlah) Water Well near Umm Bab. South-western Qatar, January 10, 2015
 A plant with seeds that had violet flowers in January and yellow onions in Negev Desert in northern Beer-Sheva. The Middle East, February 24, 2001
 Yellow shoots of jointed glasswort (Halocnemum strobilaceum) in salt marsh near Al Thakira. Qatar, December 5, 2014
 Jointed glasswort (Halocnemum strobilaceum) turning yellow in salt marsh near Al Thakira. Qatar, December 5, 2014
 Parasitic plants of Desert Thumb (Cynomorium coccineum, local name tartouth) forming "fairy ring" circle near a host plant Zygophyllum qatarense on a beach in the area of Al Hamala (Al Hamlah) Water Well near Umm Bab. South-western Qatar, January 10, 2015
 Plant of Halocnemum strobilaceum in salt marsh on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, September 26, 2014
 Flower of Cistanche tubulosa on sand of Umm Tays Island in Madinat Al Shamal area. Qatar, March 14, 2014
 Flower of Cistanche tubulosa on a beach of Umm Tays Island in Madinat Al Shamal area. Qatar, March 14, 2014
 Aerial roots (pneumatophores) of mangrove in salt marsh in Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, March 1, 2010
 Yellow flowers of Arabian Primrose (Arnebia hispidissima) in desert on hills of Harrarah, 40 miles south-west from Doha. Qatar, March 5, 2010
 Rush (Juncus rigidus) with flowers in a salt marsh near Fuwairit. Northern Qatar, April 17, 2015
 Flower of Cistanche tubulosa on a sandy beach of Umm Tays Island in Madinat Al Shamal area. Qatar, March 14, 2014
 Dry papery stripes of seagrass (Halophila stipulacea) near salt marsh in Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, March 1, 2010
 Holes in salt marsh made by small black crabs in Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, March 1, 2010
 Salt tolerant gras Aeluropus littoralis(?) taken from salt marsh near Jebel Fuwairit. Northern Qatar, June 20, 2015
 Bird tracks and a flower of Cistanche tubulosa on sand of Umm Tays Island in Madinat Al Shamal area. Qatar, March 14, 2014
 Desert plant Herniaria hemistemon (local name Ghebayra) with tiny leaves and flowers in Harrarah, 40 miles south-west from Doha. Qatar, March 5, 2010
 Remains of dried fruits of a parasitic plant Desert Thumb (Cynomorium coccineum) in Maszhabiya (Al Mashabiya) Reserve near Abu Samra. Southern Qatar, October 23, 2015
 Cluster of yellow spring flowers of Arabian Primrose (Arnebia hispidissima, local name Hasheshat al arneb) in desert on hills of Harrarah, 40 miles south-west from Doha. Qatar, March 5, 2010
 Parasitic plant Desert Thumb (Cynomorium coccineum, local name tartouth) on a beach in the area of Al Hamala (Al Hamlah) Water Well near Umm Bab in south-western Qatar, March 3, 2014
 Partially decomposed fruits of a parasitic plant Desert Thumb (Cynomorium coccineum) in sands of Maszhabiya (Al Mashabiya) Reserve near Abu Samra. Southern Qatar, October 23, 2015
 Dried parasitic plant Cynomorium coccineum (desert, or red thumb, tarthuth) in dunes of Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Desert plant with yellow flowers Pulicaria undulata (Kootkaat, Rabool, Rabl, Rabd, Ghobbeira, Ghobbayra-a, Shaay gabali) near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
 Qatar Natural History Group measuring depth of a pond between Al Wakra and Mesaieed, north from Doha. Qatar, January 29, 2010
 Salt Marsh Moth caterpillar (Estigmene acrea) in Lick Creek Park. College Station, Texas, May 13, 2010
 Qatar Natural History Group wading at low tide in Arabian (Persian) Gulf near Mesaieed, north from Doha. Qatar, January 29, 2010
 Desert plant of aster family with yellow flowers Pulicaria undulata (Kootkaat, Rabool, Rabl, Rabd, Ghobbeira, Ghobbayra-a, Shaay gabali) in area of dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
 Stingray(?) sand crater at low tide in Arabian (Persian) Gulf near Mesaieed, north from Doha. Qatar, January 29, 2010
 Climbing plant of Maiden s Jealousy (Tristellateia australasiae) with yellow flowers in gardens of Sheraton Hotel in West Bay. Doha, Qatar, January 26, 2016
 Salt Marsh Moth caterpillar (Estigmene acrea) feeding on curly dock (Rumex) in Lick Creek Park. College Station, Texas, May 13, 2010
 Salt Marsh Moth caterpillar (Estigmene acrea) feeding on meadow pink in Lake Bryan Park. Bryan, Texas, May 21, 2010
 Salt Marsh Moth caterpillar (Estigmene acrea) eating Indian paintbrush in Lake Bryan Park. Bryan, Texas, May 21, 2010
 Yellow snake in Rainforest Pyramid of Moody Gardens. Galveston, Texas, January 19, 2013
 Yellow hairy caterpillar of salt marsh moth(?) (Estigmene acrea) on Horseshoe Lake Loop Trail in Brazos Bend State Park. Needville, Texas, April 11, 2009
 Sporobolus spicatus (salt grass) with narrow cylindrical spikes near a small water channel on roadside between Al Khor and Ras Luffan. Qatar, February 6, 2015
 Yellow desert plant Aizoon canariense near a road to Sawda Natheel in southern Qatar, February 11, 2014
 Salt Marsh Moth caterpillar (Estigmene acrea) feeding on Engelmann s daisy in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2010
 Salt Marsh Moth caterpillar (Estigmene acrea) feeding on Brazilian vervain (Verbena brasiliensis) in Lake Bryan Park. Bryan, Texas, May 21, 2010
 Yellow desert plant Aizoon canariense with fruits near a road to Sawda Natheel in southern Qatar, February 11, 2014
 Seedling of a desert plant Zygophyllum qatarense. Harrarah, 40 miles south-west from Doha. Qatar, March 5, 2010
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