 Dwarf cinquefoil and white alpine phlox wildflowers on a slope of Colony Baldy Mountain in Sangre de Cristo Mountains. Colorado, July 3, 2007
 View 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
 Crestone Peak from 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
 Dwarf alpine deer clover (Trifolium nanum) 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
 A dead tree and Reiser Prairie from a slope of Colony Baldy Mountain in Sangre de Cristo Mountains. Colorado, July 3, 2007
 View of a slope of Colony Baldy Mountain from Macey Lakes Trail in Sangre de Cristo Mountains. Colorado, July 2, 2007
 Alpine Sandwort (Lidia obtusiloba, Minuartia biflora) on a slope of 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
 Alpine primrose(?) (Primula angustifolia) on 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
 Sulphur flower buckwheat (Eriogonum umbellatum) 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
 Lower Macey Lake and Little Baldy Mountain in Sangre de Cristo Mountains. Colorado, July 2, 2007
 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
 Macey Falls in Sangre de Cristo Mountains. Colorado, July 2, 2007
 Macey Lake in Sangre de Cristo Mountains. Colorado, July 2, 2007
 Southern Macey Lake in Sangre de Cristo Mountains. Colorado, July 2, 2007
 Lower Macey Lake in Sangre de Cristo Mountains. Colorado, July 2, 2007
 Near Macey Lakes Trail 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
 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
 Calypso bulbosa (fairy slipper) orchid flowers near Macey Falls in Sangre de Cristo Mountains. Colorado, July 2, 2007
 Aspens near Horn Creek trail in Sangre de Cristo Mountains. Colorado, June 30, 2007
 A meadow and aspens west from Horn Creek Ranch in Sangre de Cristo Mountains. Colorado, June 30, 2007
 El Capitan Mountain from a trail at the foot of the mountain. Guadalupe Mountains National Park, Texas, December 27, 2007
 El Capitan Mountain from southern foot of the mountain. Guadalupe Mountains National Park, Texas, December 27, 2007
 El Capitan Mountain at sunset, view from lower Roadside Park south from the mountain. Guadalupe Mountains National Park, Texas, December 28, 2007
 Mountain slope behind the ranch near Casper. Wyoming, July 20, 2007
 Mountain laurel flowers on Blue Trail in DeSoto State Park on Lookout Mountain. Fort Payne, Alabama, May 19, 2007
 El Capitan Mountain from a trail in Guadalupe Mountains National Park. Texas, December 27, 2007
 El Capitan Mountain and Trail in Guadalupe Mountains National Park. Texas, December 27, 2007
 El Capitan Trail and Mountain in Guadalupe Mountains National Park. Texas, December 27, 2007
 Cacti on a slope of Freshman Mountain in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 24, 2007
 Agaves and El Capitan Mountain from a trail in Guadalupe Mountains National Park. Texas, December 27, 2007
 Weathered stones on a slope of Freshman Mountain in Enchanted Rock State Natural Area. Fredericksburg, Texas, October 27, 2007
 El Capitan Mountain (zoomed), view to the west in Guadalupe Mountains National Park. Texas, December 27, 2007
 Cushion cactus and El Capitan Mountain from a trail in Guadalupe Mountains National Park. Texas, December 27, 2007
 Agave, cacti and El Capitan Mountain from a trail in Guadalupe Mountains National Park. Texas, December 27, 2007
 Slopes of Frijole Mountain from McKittrick Canyon Trail. Guadalupe Mountains National Park, Texas, December 28, 2007
 Rocks on a slope of Freshman Mountain east from Turkey Pass Trail in Enchanted Rock State Natural Area. Fredericksburg, Texas, October 27, 2007
 El Capitan Mountain Trail near Guadalupe Spring in Guadalupe Mountains National Park. Texas, December 27, 2007
 El Capitan Mountain from a trail near Guadalupe Spring in Guadalupe Mountains National Park. Texas, December 27, 2007
 Rocks and El Capitan Mountain from a trail near Guadalupe Spring in Guadalupe Mountains National Park. Texas, December 27, 2007
 El Capitan Mountain, view from upper Roadside Park at morning. Guadalupe Mountains National Park, Texas, December 28, 2007
 El Capitan Mountain after sunset, view from lower Roadside Park. Guadalupe Mountains National Park, Texas, December 28, 2007
 Split rock and El Capitan Mountain from a trail near Guadalupe Spring in Guadalupe Mountains National Park. Texas, December 27, 2007
 El Capitan Mountain at sunset, view from lower Roadside Park. Guadalupe Mountains National Park, Texas, December 28, 2007
 El Capitan Mountain, view from lower Roadside Park at morning. Guadalupe Mountains National Park, Texas, December 28, 2007
 Orange spots on leaves of mountain ash caused by mountain ash-juniper rust fungus (Gymnosporangium cornutum) in Petiayarvi, north from Saint Petersburg. Russia, July 17, 2015
 El Capitan Mountain with cholla cactus in foreground, view from upper Roadside Park. Guadalupe Mountains National Park, Texas, December 28, 2007
 El Capitan Mountain with prickly pears cactus in foreground, view from upper Roadside Park. Guadalupe Mountains National Park, Texas, December 28, 2007
 Mountain climbing during a day hike (M. Scully), south from Casper. Wyoming, July 18, 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)
 A dwarf iris in Negev Desert on a trail descending from a mountain ridge to Yeroham reservoir. The Middle East, March 8, 2001
 Limestone on a mountain slope in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 View from a mountain slope in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Mountain slope in Maszhabiya (Al Mashabiya) Reserve near Abu Samra. Southern Qatar, June 25, 2016
 Limestone shelters on a mountain slope in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 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
 Sandy runnel from a mountain slope in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Above Garden Creek Waterfall in Casper Mountain, south from Casper. Wyoming, July 16, 2007
 Valley of Garden Creek in Casper Mountain, south from Casper. Wyoming, July 16, 2007
 Casper Mountain near Garden Creek Waterfall, south from Casper. Wyoming, July 16, 2007
 Small limestone arch on a mountain slope in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Black flint stones on a mountain slope in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Grazing camels from a mountain plateau on the slope of Jebel Al-Nakhsh in south-western Qatar, April 2, 2016
 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
 Sky flower (Thunbergia grandiflora) in Antique Rose Emporium. Independence, Texas, September 13, 2009
 Sky flower (Thunbergia grandiflora) in Antique Rose Emporium. Independence, Texas, November 12, 2020
 Sky flower (Thunbergia grandiflora) in Antique Rose Emporium. Independence, Texas, November 8, 2009
 Area of Loft Mountain at Skyline Drive. Virginia, May 16, 2007
 Skyline Drive in fog in the area of Loft Mountain. Virginia, May 16, 2007
 Sky flower vine (Thunbergia grandiflora) in Antique Rose Emporium. Independence, Texas, August 10, 2019
 White laceflower (Orlaya grandiflora) in Antique Rose Emporium. Independence, Texas, April 4, 2022
 Sky flower vine (Thunbergia grandiflora) in Antique Rose Emporium. Independence, Texas, October 12, 2013
 Sky flower vine (Thunbergia grandiflora) in Antique Rose Emporium. Independence, Texas, October 6, 2012
 Sky flower vine (Thunbergia grandiflora) in Antique Rose Emporium. Independence, Texas, October 4, 2009
 Sky flower vine (Thunbergia grandiflora) in Antique Rose Emporium. Independence, Texas, August 27, 2021
 Sky flower vine (Thunbergia grandiflora) in Antique Rose Emporium. Independence, Texas, October 5, 2019
 Sky flower vine (Thunbergia grandiflora) in Antique Rose Emporium. Independence, Texas, August 1, 2013
 Blooming laceflower (Orlaya grandiflora) in Antique Rose Emporium. Independence, Texas, April 20, 2024
 Sky flower vine (Thunbergia grandiflora) in Antique Rose Emporium. Independence, Texas, September 3, 2020
 Walpack Valley from Rattlesnake Mountain. Delaware Water Gap, New Jersey, May 12, 2007
 View of Manhattan from High Mountain. Paterson, New Jersey, March 25, 2007
 View to the west from Rattlesnake Mountain. Delaware Water Gap, New Jersey, May 12, 2007
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