 View from a plane near Boulder. Colorado, July 15, 2007
 A ceiling of an airport in Boulder. Colorado, July 15, 2007
 A creek on boulder field in John Witherspoon Woods park. Princeton, New Jersey, April 27, 2007
 A creek on boulder field in John Witherspoon Woods park. Princeton, New Jersey, April 28, 2007
 A creek crossing on boulder field in John Witherspoon Woods park. Princeton, New Jersey, April 27, 2007
 Skunk cabbage on boulder field in John Witherspoon Woods park. Princeton, New Jersey, April 27, 2007
 Skunk cabbage on boulder field in John Witherspoon Woods park. Princeton, New Jersey, April 28, 2007
 Leaves of skunk cabbage near boulder field in John Witherspoon Woods park. Princeton, New Jersey, April 28, 2007
 Umbrella-like May apple leaves near boulder field in John Witherspoon Woods park. Princeton, New Jersey, April 27, 2007
 Boulder field near Devil s Cave near northern entrance of John Witherspoon Woods park. Princeton, New Jersey, April 28, 2007
 Leaves of skunk cabbage at morning near boulder field in John Witherspoon Woods park. Princeton, New Jersey, April 28, 2007
 View from a plane near Houston. Texas, July 15, 2007
 Morning mist on boulder field near Stuart Road entrance of John Witherspoon Woods park. Princeton, New Jersey, April 28, 2007
 View from a slope of Colony Baldy Mountain in Sangre de Cristo Mountains. Colorado, July 3, 2007
 Deeply divided umbrella-like young leaf of May apple near Boulder Field in John Witherspoon Woods park. Princeton, New Jersey, April 26, 2007
 View of a slope of Colony Baldy Mountain from Macey Lakes Trail in Sangre de Cristo Mountains. Colorado, July 2, 2007
 Chicago, view from a plane. Illinois, August 7, 2007
 Macey Falls in Sangre de Cristo Mountains. Colorado, July 2, 2007
 Macey Lake in Sangre de Cristo Mountains. Colorado, July 2, 2007
 Road junction south from Chicago, view from a plane. Illinois, August 7, 2007
 Lower Macey Lake in Sangre de Cristo Mountains. Colorado, July 2, 2007
 Southern Macey Lake in Sangre de Cristo Mountains. Colorado, July 2, 2007
 Near Macey Lakes Trail in Sangre de Cristo Mountains. Colorado, July 3, 2007
 Snowy flat mountain somewhere in Europe, view from a plane from Warsaw to Chicago. September 10, 2007
 Lower Macey Lake and Little Baldy Mountain in Sangre de Cristo Mountains. Colorado, July 2, 2007
 Crestone Peak from a slope of Colony Baldy Mountain in Sangre de Cristo Mountains. Colorado, July 3, 2007
 A dried tree on a slope of Colony Baldy Mountain in Sangre de Cristo Mountains. Colorado, July 3, 2007
 Alpine tundra on a slope of Colony Baldy Mountain in Sangre de Cristo Mountains. Colorado, July 3, 2007
 Hairy Androsace and deer clover on Colony Baldy Mountain in Sangre de Cristo Mountains. Colorado, July 3, 2007
 Alpine phlox(?) flowers on the slope of Colony Baldy Mountain in Sangre de Cristo Mountains. Colorado, July 3, 2007
 Alpine primrose(?) (Primula angustifolia) on Colony Baldy Mountain in Sangre de Cristo Mountains. Colorado, July 3, 2007
 Sulphur flower buckwheat (Eriogonum umbellatum) on Colony Baldy Mountain in Sangre de Cristo Mountains. Colorado, July 3, 2007
 People from Dallas Sierra Club west from Horn Creek Ranch in Sangre de Cristo Mountains. Colorado, July 1, 2007
 Calypso bulbosa (fairy slipper) orchid flowers near Macey Falls in Sangre de Cristo Mountains. Colorado, July 2, 2007
 A dead tree and Reiser Prairie from a slope of Colony Baldy Mountain in Sangre de Cristo Mountains. Colorado, July 3, 2007
 Rockslide daisy or Alpine aster(?) flower near southern Macey Lake in Sangre de Cristo Mountains. Colorado, July 2, 2007
 A group of people from Dallas Sierra Club near Macey Lake Trail in Sangre de Cristo Mountains. Colorado, July 2, 2007
 - views of Colorado and New Mexico from the bus 7/6/97 (Colorado Mountains - Dallas, July 5 - 11, 1997)
 - views of Colorado and New Mexico from the bus 7/6/97 (Colorado Mountains - Dallas, July 5 - 11, 1997)
 - views of Colorado and New Mexico from the bus 7/6/97 (Colorado Mountains - Dallas, July 5 - 11, 1997)
 - views of Colorado and New Mexico from the bus 7/6/97 (Colorado Mountains - Dallas, July 5 - 11, 1997)
 - views of Colorado and New Mexico from the bus 7/6/97 (Colorado Mountains - Dallas, July 5 - 11, 1997)
 - views of Colorado and New Mexico from the bus 7/6/97 (Colorado Mountains - Dallas, July 5 - 11, 1997)
 - views of Colorado and New Mexico from the bus 7/6/97 (Colorado Mountains - Dallas, July 5 - 11, 1997)
 - views of Colorado and New Mexico from the bus 7/6/97 (Colorado Mountains - Dallas, July 5 - 11, 1997)
 - views of Colorado and New Mexico from the bus 7/6/97 (Colorado Mountains - Dallas, July 5 - 11, 1997)
 - views of Colorado and New Mexico from the bus 7/6/97 (Colorado Mountains - Dallas, July 5 - 11, 1997)
 Dwarf alpine deer clover (Trifolium nanum) on Colony Baldy Mountain in Sangre de Cristo Mountains. Colorado, July 3, 2007
 Pink flowers of Moss campion (Silene acaulis) on Colony Baldy Mountain in Sangre de Cristo Mountains. Colorado, July 3, 2007
 Alpine forget-me-not (Eritrichum aretioides) flowers carpeting the slope of Colony Baldy Mountain in Sangre de Cristo Mountains. Colorado, July 3, 2007
 Dwarf cinquefoil and white alpine phlox wildflowers on a slope of Colony Baldy Mountain in Sangre de Cristo Mountains. Colorado, July 3, 2007
 Alpine Sandwort (Lidia obtusiloba, Minuartia biflora) on a slope of Colony Baldy Mountain in Sangre de Cristo Mountains. Colorado, July 3, 2007
 Glacier flowing from Kong Frederik Den Vi Kyst Ice Field to Anoritup Kangerdlua Fjord on east coast in Kujalleq region on southern tip of Greenland, view from a window of a plane from Frankfurt, Germany to Toronto, Canada, June 30, 2013
 View of a plane engine from a plane from College Station to Houston at sunset. Texas, November 17, 2006
 Suburbs of Tel Aviv, view from a window of a plane. July 29, 2002
 Suburbs of Tel Aviv, view from a window of a plane. July 29, 2002
 View of Alps(?) from a plane from Tel Aviv to Paris. July 19, 2002
 Plane from Paris to Tel Aviv, view from a window through polarizer. July 29, 2002
 Plane from Paris to Tel Aviv, view from a window through polarizer. July 29, 2002
 Plane from Paris to Tel Aviv, view from a window through polarizer. July 29, 2002
 - views from the plane: San Francisco, deserts, Colorado River, Rocky Mountains (San Francisco May 6 - Dallas May 10, 1997)
 - views from the plane: San Francisco, deserts, Colorado River, Rocky Mountains (San Francisco May 6 - Dallas May 10, 1997)
 - views from the plane: San Francisco, deserts, Colorado River, Rocky Mountains (San Francisco May 6 - Dallas May 10, 1997)
 - views from the plane: San Francisco, deserts, Colorado River, Rocky Mountains (San Francisco May 6 - Dallas May 10, 1997)
 - views from the plane: San Francisco, deserts, Colorado River, Rocky Mountains (San Francisco May 6 - Dallas May 10, 1997)
 - views from the plane: San Francisco, deserts, Colorado River, Rocky Mountains (San Francisco May 6 - Dallas May 10, 1997)
 - views from the plane: San Francisco, deserts, Colorado River, Rocky Mountains (San Francisco May 6 - Dallas May 10, 1997)
 - views from the plane: San Francisco, deserts, Colorado River, Rocky Mountains (San Francisco May 6 - Dallas May 10, 1997)
 - views from the plane: San Francisco, deserts, Colorado River, Rocky Mountains (San Francisco May 6 - Dallas May 10, 1997)
 Dwarf sunflowers (Old-man-of-the-mountain, Rydbergia grandiflora, Hymenoxys grandiflora) on a slope of Colony Baldy Mountain in Sangre de Cristo Mountains. Colorado, July 3, 2007
 - views from a plane to San-Francisco: Rocky Mountains, Colorado River, deserts (Dallas and a trip to San Francisco, April 1996)
 - views from a plane to San-Francisco: Rocky Mountains, Colorado River, deserts (Dallas and a trip to San Francisco, April 1996)
 - views from a plane to San-Francisco: Rocky Mountains, Colorado River, deserts (Dallas and a trip to San Francisco, April 1996)
 - views from a plane to San-Francisco: Rocky Mountains, Colorado River, deserts (Dallas and a trip to San Francisco, April 1996)
 - views from a plane to San-Francisco: Rocky Mountains, Colorado River, deserts (Dallas and a trip to San Francisco, April 1996)
 - views from a plane to San-Francisco: Rocky Mountains, Colorado River, deserts (Dallas and a trip to San Francisco, April 1996)
 - views from a plane to San-Francisco: Rocky Mountains, Colorado River, deserts (Dallas and a trip to San Francisco, April 1996)
 - views from a plane to San-Francisco: Rocky Mountains, Colorado River, deserts (Dallas and a trip to San Francisco, April 1996)
 - views from a plane to San-Francisco: Rocky Mountains, Colorado River, deserts (Dallas and a trip to San Francisco, April 1996)
 - views from a plane to San-Francisco: Rocky Mountains, Colorado River, deserts (Dallas and a trip to San Francisco, April 1996)
 - views from a plane to San-Francisco: Rocky Mountains, Colorado River, deserts (Dallas and a trip to San Francisco, April 1996)
 Pulkovo Airport, view from a window of a plane. Saint Petersburg, Russia, July 14, 2009
 Hairy Androsace (Androsace villosa) alpine flowers on Colony Baldy Mountain in Sangre de Cristo Mountains, with white pinwheel-like flowers having a yellow "eye" that turns pink with age and tiny basal tightly clustered leaves. Colorado, July 3, 2007
 Aspens near Horn Creek trail in Sangre de Cristo Mountains. Colorado, June 30, 2007
 Watering agricaltural field near Road 50, view from CR 443 north from Independence. Texas, July 12, 2008
 A meadow and aspens west from Horn Creek Ranch in Sangre de Cristo Mountains. Colorado, June 30, 2007
 Water sprinkling by irrigation system over an agricaltural field near Road 50, view from CR 443 north from Independence. Texas, July 12, 2008
 View along a ridge from Mount Keylagkuh in south-western Iran. View from a window of a plane from Doha, Qatar to Houston, TX, March 16, 2010.
 Village of Hangam, view along a ridge from Mount Keylagkuh in south-western Iran. View from a window of a plane from Doha, Qatar to Houston, TX, March 16, 2010.
 View from south-west of Shahreza (Qomsheh) in Isfahan Province of Iran. View from a window of a plane from Abu Dhabi to Saint Petersburg in Russia, December 26, 2014
 Field scabious (Knautia arvensis) on a field near Oredezh River near Kezevo. Siverskaya south from Saint Petersburg, Russia, July 20, 2015
 Physcia lichen on a granite boulder on shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Grey crustose lichen Aspicilia on a granite boulder on shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Rock shield lichen (Xanthoparmelia) on a granite boulder on shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Yellow map lichen (Rhizocarpon geographicum) on a granite boulder on shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 A field of flowers near Road 162. Calvert, Texas, May 28, 2007
 Growth of yellow map lichen (Rhizocarpon geographicum) on a granite boulder on shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Rosette of yellow map lichen (Rhizocarpon geographicum) on a granite boulder on shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Flowers carpeting a field near Road 162. Calvert, Texas, May 28, 2007
|