 Oconaluftee River near Newfound Gap Road. Smoky Mountains National Park, Tennessee, May 18, 2007
 Flower of Palafoxia hookeriana on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, August 8, 2009
 Morning Glory (Ipomoea cordatotriloba) flower on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, September 20, 2008
 White prickly poppy (Argemone albiflora) flowers on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, May 30, 2010
 Sunflower on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, August 8, 2009
 A stream south from Wallpack Center, view from Mountain Road. Delaware Water Gap, New Jersey, March 3, 2007
 Top of Sugarloaf Mountain, with view Road 364 to the north. Gause, Texas, May 17, 2009
 A.S. near limestone mushroom formation in area of Nakhsh Mountain near Salwa Road in southern Qatar, May 8, 2015
 Mushroom shaped cliff in area of Nakhsh Mountain near Salwa Road in southern Qatar, May 8, 2015
 Bush of Leptadenia pyrotechnica with Nakhsh mountain at background from roadside of Salwa Road in area of Khashem Al Nekhsh. Qatar, November 27, 2015
 A farm in Walpack Valley, view from Mountain Road. Delaware Water Gap, New Jersey, May 12, 2007
 Flower of Palafoxia hookeriana (sand palafox) in dew on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, September 20, 2008
 Limestone mushroom formation in area of Nakhsh Mountain near Salwa Road in southern Qatar, May 8, 2015
 Limestone cliffs in area of Nakhsh Mountain near Salwa Road in southern Qatar, May 8, 2015
 View of Ramon s Tooth from distance of 4 miles on the opposite side of Ramon Crater to the south-east from Mitzpe Ramon Visitor s Center. Road 40 to Eilat is seen near the horizon to the left, with Har Hadav (?) mountains behind it. Contrast of the picture was enhanced to decrease haze. The Middle East, May 3, 2001
 Sand palafox (Palafoxia hookeriana) flower on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, September 20, 2008
 Branching sprays of white flowers of wild buckwheat (Yerba colorado, Eriogonum annuum(?)) on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, September 20, 2008
 Black flint stones in area of Nakhsh Mountain near Salwa Road in southern Qatar, May 8, 2015
 Flowers with papery sheath of Parks jointweed (Polygonella parksii) on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, September 20, 2008
 Flower of Palafoxia hookeriana on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, September 20, 2008
 Tail of an iron rocket in area of Nakhsh Mountain near Salwa Road in southern Qatar, May 8, 2015
 Lazy daisy (Aphanostephus skirrhobasis) on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, May 30, 2010
 A creek south from Wallpack Center, view from Mountain Road. Delaware Water Gap, New Jersey, March 3, 2007
 Sunflower on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, September 20, 2008
 Close-up of flower of Palafoxia hookeriana on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, September 20, 2008
 Layers of gypsum crystals (selenite) in area of Nakhsh Mountain near Salwa Road in southern Qatar, May 8, 2015
 View of Nakhsh mountain at sunrise from roadside of Salwa Road in area of Khashem Al Nekhsh. Qatar, November 27, 2015
 A small creek near Mountain Road in Delaware Water Gap. New Jersey, March 3, 2007
 Yellow flower of aster family Viguiera cordifolia(?) on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, September 20, 2008
 Sugarloaf Mountain, view from Road 364. Gause, Texas, September 20, 2008
 Small yellow flower of aster family with downcurved rays on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, September 20, 2008
 Van Donsel/Valentine Hill Road west from Virgil Mountain. Dryden, New York, October 30, 2005
 Slender bush clover (Lespedeza virginica) on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, September 20, 2008
 A farm west from Hidden Falls, view from Mountain Road. Delaware Water Gap, New Jersey, March 3, 2007
 A view from Newfound Gap Road. Smoky Mountains National Park, Tennessee, May 18, 2007
 Nakhsh Mountain from Salwa Road in area of Khashem Al Nekhsh. Qatar, January 22, 2016
 Close-up of Palafoxia hookeriana on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, September 20, 2008
 Carolina larkspur (Delphinium carolinianum) on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, May 30, 2010
 Buffalo bur (Solanum rostratum) on roadside of Road 364, north from Sugarloaf Mountain. Gause, Texas, August 8, 2009
 Domes of fossilised intertidal stromatolites (microbial mats, laminated sediments) in area of Nakhsh Mountain near Salwa Road in southern Qatar, May 8, 2015
 A road near Jericho, in mountains. The Middle East, April 15, 2000
 Stamens of white prickly poppy (Argemone albiflora) flower on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, May 30, 2010
 Distinctive fruits of Common hoptree (Ptelea trifoliata), waferlike samara with broad wings, on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, May 30, 2010
 A road in Shahmon Mountains, 1.5 miles north from Eilat. The Middle East, March 22, 2001
 Valentine Hill Road in area of Virgil Mountain. Dryden, New York, October 30, 2005
 Flower of white prickly poppy (Argemone albiflora) on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, May 30, 2010
 Gypsum rocks (selenite) in area of Nakhsh Mountain near Salwa Road in southern Qatar, May 8, 2015
 Slabs of gypsum crystals (selenite) in area of Nakhsh Mountain near Salwa Road in southern Qatar, May 8, 2015
 Eroded limestone mushroom in area of Nakhsh Mountain near Salwa Road in southern Qatar, May 8, 2015
 Wind abrasion of limestone cliffs in area of Nakhsh Mountain near Salwa Road in southern Qatar, May 8, 2015
 Cottony 5-lobed tubular flowers in a dense spike-like cluster of Snake cotton (Froelichia) taken from roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, August 8, 2009
 Desert fox in area of Nakhsh Mountain near Salwa Road in southern Qatar, May 8, 2015
 A road and mountains in Egypt near Taba, 3 miles south-east from Eilat. The Middle East, January 13, 2001
 Snake cotton (Froelichia) on roadside of Road 364, near Sugarloaf Mountain, with cottony 5-lobed tubular flowers in a dense spike-like cluster. Gause, Texas, September 20, 2008
 Pavement by gypsum crystals (selenite) in area of Nakhsh Mountain near Salwa Road in southern Qatar, May 8, 2015
 Acacia tortilis(?) in area of Nakhsh Mountain near Salwa Road in southern Qatar, May 8, 2015
 Weathered fossilised intertidal stromatolites (microbial mats, laminated sediments) in area of Nakhsh Mountain near Salwa Road in southern Qatar, May 8, 2015
 Frozen Buttermilk Falls on Mountain Road in Delaware Water Gap. New Jersey, March 3, 2007
 Snake cotton (Froelichia) taken from roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, August 8, 2009
 Wind abrasion of rocks in area of Nakhsh Mountain near Salwa Road in southern Qatar, May 8, 2015
 View of Timna Mountains to the south-west from entrance road to Timna Park. The Middle East, March 15, 2001
 A road to Ein Avdat canyon, view from a neighbor mountain. The Middle East, May 10, 2000
 Scarlet pea (Indigofera intricata, local name humeira) emerging from sand on roadside of Salwa Road, near Nakhsh Mountain. Qatar, October 31, 2015
 Sandburs spikelet (Cenchrus spinifex) on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, September 20, 2008
 Flowers of Mirabilis (Four-O clock family) on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, October 1, 2011
 Desert grass Panicum turgidum in area of Nakhsh Mountain near Salwa Road in southern Qatar, May 8, 2015
 Mint like plant on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, May 30, 2010
 Field of weathered rocks in area of Nakhsh Mountain near Salwa Road in southern Qatar, May 8, 2015
 Walpack Valley, view from Mountain Road. Delaware Water Gap, New Jersey, May 12, 2007
 Mirabilis (Four-O clock family) on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, October 1, 2011
 Fossilised intertidal stromatolites (microbial mats, laminated sediments) in area of Nakhsh Mountain near Salwa Road in southern Qatar, May 8, 2015
 Dry plant skeleton of Tetraena qatarense (Zygophyllum qatarense)(?) in area of Nakhsh Mountain near Salwa Road in southern Qatar, May 8, 2015
 Snake cotton (Froelichia) on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, October 1, 2011
 Weathered limestone rocks in area of Nakhsh Mountain near Salwa Road in southern Qatar, May 8, 2015
 Weathered gypsum crystals (selenite) in area of Nakhsh Mountain near Salwa Road in southern Qatar, May 8, 2015
 Sandblasted fossilised intertidal stromatolites (microbial mats, laminated sediments) in area of Nakhsh Mountain near Salwa Road in southern Qatar, May 8, 2015
 Crossing of Mountain and Brink roads east from Wallpack Center. Delaware Water Gap, New Jersey, March 3, 2007
 Sandblasted rocks in area of Nakhsh Mountain near Salwa Road in southern Qatar, May 8, 2015
 Limestone mushroom formation in area of Nakhsh Mountain near Salwa Road in southern Qatar, May 8, 2015
 Limestone mushroom in area of Nakhsh Mountain near Salwa Road in southern Qatar, May 8, 2015
 Rusty iron rocket in area of Nakhsh Mountain near Salwa Road in southern Qatar, May 8, 2015
 Field of sandblasted rocks in area of Nakhsh Mountain near Salwa Road in southern Qatar, May 8, 2015
 Mushroom shaped limestone cliff in area of Nakhsh Mountain near Salwa Road in southern Qatar, May 8, 2015
 Scarlet pea (Indigofera intricata, local name humeira) with a flower on roadside of Salwa Road, near Nakhsh Mountain. Qatar, October 31, 2015
 Nakhsh mountain at sunrise from roadside of Salwa Road in area of Khashem Al Nekhsh. Qatar, November 27, 2015
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