 Pebbles near Harrarah in southern Qatar, February 14, 2014
 Small wadi near Harrarah in southern Qatar, February 14, 2014
 Desert pavement near Harrarah in southern Qatar, February 14, 2014
 Limestone escarpments near Harrarah in southern Qatar, February 14, 2014
 Goats(?) droppings in the gardens of Trainah. Southern Qatar, November 7, 2014
 Milkweed Glossonema varians near Harrarah in southern Qatar, February 14, 2014
 Desert pavement by pebbles near Harrarah in southern Qatar, February 14, 2014
 Yellow flowers of Aaronsohnia factorovskyi or may be Tripleurospermum near Harrarah in southern Qatar, February 14, 2014
 Yellow flowers of Aaronsohnia factorovskyi or may be Tripleurospermum in sand near Harrarah in southern Qatar, February 14, 2014
 Purple flower of fodder radish (Raphanus sativus)(?) near Harrarah in southern Qatar, February 14, 2014
 Coriander (Coriandrum sativum) in a roadside vegetable garden near Harrarah in southern Qatar, February 14, 2014
 Small yellow flowers of Aaronsohnia factorovskyi or may be Tripleurospermum in sand near Harrarah in southern Qatar, February 14, 2014
 Virgin s Hand plant (Anastatica hierochuntica local names kaf mariam, jefaiea) near Harrarah in southern Qatar, February 14, 2014
 Tetraena qatarense (Zygophyllum qatarense, local name harm) in sand near Harrarah in southern Qatar, February 14, 2014
 Some small animal droppings in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 20, 2022
 Seedling of Tetraena qatarense (Zygophyllum qatarense, local name harm) in sand near Harrarah in southern Qatar, February 14, 2014
 Red-purple tinged seedling of Tetraena qatarense (Zygophyllum qatarense, local name harm) in sand near Harrarah in southern Qatar, February 14, 2014
 Fagonia bruguieri (Fagonia echinella, local names dereima, showeika, shaki, shoka, Dhuraymah) near Harrarah in southern Qatar, February 14, 2014
 Droppings of a vulture with bones of small birds, on chalk cliffs of Harrarah, 40 miles south-west from Doha. Qatar, April 1, 2011
 Leaves of Acacia tortilis near Harrarah. Southern Qatar, March 5, 2014
 Eruca vesicaria (rocket, Eruca sativa, Brassica eruca, Eruca eruca, local name jargeer) near Harrarah in southern Qatar, February 14, 2014
 Rocket flower (Eruca vesicaria, Eruca sativa, Brassica eruca, Eruca eruca, local name jargeer) near Harrarah in southern Qatar, February 14, 2014
 Blooming Eruca vesicaria (rocket, Eruca sativa, Brassica eruca, Eruca eruca, local name jargeer) near Harrarah in southern Qatar, February 14, 2014
 Warty, squat, camouflaged body of grasshopper Tuarega insignis near Harrarah. Southern Qatar, March 5, 2014
 Squat shaped, camouflaged body of grasshopper Tuarega insignis near Harrarah. Southern Qatar, March 5, 2014
 Animal droppings on a bridge over Kenta Canal in Barataria Preserve, south from New Orleans. Louisiana, August 14, 2005
 Animal droppings near Yaupon Loop Trail in Lick Creek Park. College Station, Texas, June 28, 2018
 Animal droppings with berries of Japanese Privet bush (Ligustrum japonicum) in Bee Creek Park. College Station, Texas, December 30, 2017
 Close-up of miniature woolly inkcap mushrooms (Coprinopsis radiata) taken from animal s droppings in Lick Creek Park. College Station, Texas, May 27, 2020
 Cap surface of a miniature woolly inkcap mushroom (Coprinopsis radiata) on animal s droppings in Lick Creek Park. College Station, Texas, May 27, 2020
 Details of miniature woolly inkcap mushrooms (Coprinopsis radiata) taken from animal s droppings in Lick Creek Park. College Station, Texas, May 27, 2020
 Miniature woolly inkcap mushrooms (Coprinopsis radiata) growing on animal s droppings in Lick Creek Park. College Station, Texas, May 27, 2020
 Animal carcass with dry maggots near Umm Bab in south-western Qatar, February 21, 2014
 Persimmon seeds in animal droppings in Lake Bryan Park. Bryan, Texas, August 26, 2012
 White substance from animal droppings under a microscope (in KOH), collected on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 2, 2024
 Broken caps of miniature woolly inkcap mushrooms (Coprinopsis radiata) on animal s droppings in Lick Creek Park. College Station, Texas, May 27, 2020
 Young miniature woolly inkcap mushrooms (Coprinopsis radiata) growing on animal s droppings in Lick Creek Park. College Station, Texas, May 27, 2020
 Gills and stems of miniature woolly inkcap mushrooms (Coprinopsis radiata) taken from animal s droppings in Lick Creek Park. College Station, Texas, May 27, 2020
 Seeds of sow palmetto in animal droppings on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, December 19, 2021
 Persimmon seeds in animal droppings on a trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 16, 2011
 Seeds of pokeweed in animal droppings on Lost Pines Trail in Bastrop State Park. Bastrop, Texas, September 15, 2012
 Berries of hackberry (Celtis laevigata) in animal droppings in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
 Mucorales mold fungus on animal droppings with beautyberry seeds on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, September 14, 2019
 Animal droppings with some seeds at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 3, 2022
 Animal droppings with remains of mustang grape on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, August 21, 2021
 Sunrise from a road to Harrarah (Al Kharrarah). Southern Qatar, April 23, 2016
 Limestone arch in Harrarah (Al Kharrarah). Southern Qatar, April 23, 2016
 Stony passage in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Limestone arch in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Weathered mountain top in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Chalky cliff in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Limestone plateau in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Limestone rocks in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Limestone cliff in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Limestone erosion in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Animal tracks in sand near Sealine Beach Resort near Mesaieed. Southern Qatar, October 30, 2015
 Seeds of saw palmetto (Serenoa repens) in animal droppings when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, October 10, 2024
 View from a mountain slope in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Old water well in a green depression in Harrarah (Al Kharrarah). Southern Qatar, April 23, 2016
 Broken limestone rocks in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Weathered limestone cliffs in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Weathered limestone rocks in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Erosion of limestone slabs in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Erosion of soft limestone in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Various vegetation on a gravel plane in Harrarah (Al Kharrarah). Southern Qatar, April 23, 2016
 View from limestone cliffs in Harrarah (Al Kharrarah). Southern Qatar, April 23, 2016
 Overhanging limestone cliff in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Area of a limestone arch in Harrarah (Al Kharrarah). Southern Qatar, April 23, 2016
 Sandy wadi from cliffs in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 View of a runnel from a cliff in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Small limestone arch in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Erosion of limestone rocks in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Limestone on a mountain slope in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Seeds of saw palmetto (Serenoa repens) in animal droppings, together with seeds of other plants in ultraviolet light on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, October 10, 2024
 Animal burrow in windblown sand near Sealine Beach Resort near Mesaieed. Southern Qatar, December 11, 2015
 Rough eroded limestone rocks in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Pebbles deposited on the top of limestone cliffs in Harrarah (Al Kharrarah). Southern Qatar, April 23, 2016
 View of desert from limestone cliffs in Harrarah (Al Kharrarah). Southern Qatar, April 23, 2016
 Skeleton of a dry plant of Zygophyllum qatarense(?) in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Mushroom-shaped limestone cliff in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Sedge (Cyperus conglomeratus) on roadside of a road to Harrarah. Southern Qatar, March 27, 2015
 Sandy runnel from a mountain slope in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Seetzenia lanata plant near a road to Harrarah (Al Kharrarah). Southern Qatar, April 23, 2016
 Cracked limestone on a mountain slope in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Sandy path from a mountain slope in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Dry plant of Ifloga spicata near a road to Harrarah (Al Kharrarah). Southern Qatar, April 23, 2016
 Limestone shelters on a mountain slope in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Skull of a camel on a gravel plane in Harrarah (Al Kharrarah). Southern Qatar, April 23, 2016
 Rough weathered limestone rocks in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Acacia ehrenbergiana and Lycium in a wadi in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Sandy area near a limestone arch in Harrarah (Al Kharrarah). Southern Qatar, April 23, 2016
 Arabian primrose (Arnebia hispidissima) near a road to Harrarah (Al Kharrarah). Southern Qatar, April 23, 2016
 Astragalus eremophilus with fruits on a gravel plane in Harrarah (Al Kharrarah). Southern Qatar, April 23, 2016
 Milkvetch Astragalus eremophilus on a gravel plane in Harrarah (Al Kharrarah). Southern Qatar, April 23, 2016
 Black flint stones on a limestone plateau in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Weathered wood in sand on a gravel plane in Harrarah (Al Kharrarah). Southern Qatar, April 23, 2016
 Plant of Fagonia ovalifolia(?) on a gravel plane in Harrarah (Al Kharrarah). Southern Qatar, April 23, 2016
 Cornulaca aucheri (local name thalj) near a road to Harrarah (Al Kharrarah). Southern Qatar, April 23, 2016
 Small limestone arch on a mountain slope in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
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