 A Quarry from Blue Ridge Parkway. Roanoke, Virginia, May 17, 2007
 View from Hogback Overlook of Blue Ridge Parkway. Luray, Virginia, May 16, 2007
 Trees from Hogback Overlook of Blue Ridge Parkway. Luray, Virginia, May 16, 2007
 View from Hogwallow Flats Overlook of Blue Ridge Parkway. Front Royal, Virginia, May 16, 2007
 Otter Creek Overlook near mile 38 of Blue Ridge Parkway. Buena Vista, Virginia, May 17, 2007
 A dam of Otter Creek Overlook near mile 38 of Blue Ridge Parkway. Buena Vista, Virginia, May 17, 2007
 Falls near Old Lodging Railroad at Upper Otter Creek Overlook at mile 35 of Blue Ridge Parkway. Buena Vista, Virginia, May 17, 2007
 A waterfall near Old Lodging Railroad at Upper Otter Creek Overlook at mile 35 of Blue Ridge Parkway. Buena Vista, Virginia, May 17, 2007
 A pasture at mile 25 of Blue Ridge Parkway near Spy Run Gap. Waynesboro, Virginia, May 17, 2007
 View at mile 25 from Blue Ridge Parkway near Spy Run Gap. Waynesboro, Virginia, May 17, 2007
 View from Blue Ridge Parkway near Peaks of Otter. Virginia, May 17, 2007
 A farm at mile 25 near Blue Ridge Parkway near Spy Run Gap. Waynesboro, Virginia, May 17, 2007
 A waterfall near Blue Ridge Parkway, near Mile 80. Peaks of Otter, Virginia, May 17, 2007
 View at mile 32 of Blue Ridge Parkway. Buena Vista, Virginia, May 17, 2007
 Fields at mile 32 near Blue Ridge Parkway. Buena Vista, Virginia, May 17, 2007
 A bush in bloom near Blue Ridge Parkway, near Mile 80. Peaks of Otter, Virginia, May 17, 2007
 A trillium flower near Blue Ridge Parkway, at Mile 79. Peaks of Otter, Virginia, May 17, 2007
 View from Thorofare Mountain Overlook of Skyline Drive. Skyland, Virginia, May 16, 2007
 A stone from Thorofare Mountain Overlook of Skyline Drive. Skyland, Virginia, May 16, 2007
 Hazy hills from Range View Overlook of Skyline Drive. Luray, Virginia, May 16, 2007
 A pine tree on Etzba Ridge on Mount Carmel. The Middle East, March 5, 2002
 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
 Upper Whiteoak Falls near Skyline Drive. Skyland, Virginia, May 16, 2007
 A stream of Whiteoak Canyon near Skyline Drive. Skyland, Virginia, May 16, 2007
 Dark Hollow Falls near Skyline Drive. The Meadow, Virginia, May 16, 2007
 View from Skyline Drive in fog in the area of Dundo Group Camp. Virginia, May 16, 2007
 A creek near Whiteoak Canyon Trail near Skyline Drive. Skyland, Virginia, May 16, 2007
 A road in fog Skyline Drive in the area of Dundo Group Camp. Harrisonburg, Virginia, May 16, 2007
 Virginia Field Park, with gazebo-style octogonal two-tiered bandstand (1895, Karen Renee Wiese Memorial Pavilion) in the center. Calvert, Texas, May 28, 2007
 Gazebo-style octogonal two-tiered bandstand (1895) (Karen Renee Wiese Memorial Pavilion) in the center of Virginia Field Park. Calvert, Texas, January 28, 2007
 Little blue heron wading near Marsh Overlook Trail in Barataria Preserve, south from New Orleans. Louisiana, March 12, 2006
 Leaves of Virginia creeper on a charred pine on Richards Loop Trail in Sam Houston National Forest. Texas, June 2, 2021
 Shoot of Virginia creeper on a charred pine on Richards Loop Trail in Sam Houston National Forest. Texas, June 2, 2021
 Virginia creeper on a mossy tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, March 10, 2019
 Fresh pink aerial roots of Virginia creeper on a tree in Lick Creek Park. College Station, Texas, May 30, 2018
 Appalachian Trail on a ridge of Kittatinny Mountains. Delaware Water Gap, New Jersey, May 12, 2007
 Smokey Creek Trail through creosote bushes and cacti east from Mule Ear Overlook. Big Bend National Park, Texas, November 25, 2007
 Smokey Creek Trail near Trap Spring east from Mule Ear Overlook, view to the west. Big Bend National Park, Texas, November 25, 2007
 Forest on Ridge Trail near Trailpoint 13 in Sourland Mountain Preserve. Somerset County, New Jersey, May 6, 2007
 A deer on Linear Park Trail (former railroad) in Cook Natural Area, near Ridge Road. Kingston, New Jersey, May 11, 2007
 Dogwood in a forest on Ridge Trail east Trailpoint 13 in Sourland Mountain Preserve. Somerset County, New Jersey, May 6, 2007
 Purple-tinged prickly pear cactus on Smokey Creek Trail near Trap Spring east from Mule Ear Overlook. Big Bend National Park, Texas, November 25, 2007
 Shoot of Virginia creeper vine on a tree, with patches of various lichens in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 15, 2009
 A small flower on Mount Rose Ridge Trail in Stony Brook Watershed park. Pennington, New Jersey, April 29, 2007
 Shoot of Virginia creeper vine on a tree covered by bark lichens in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 15, 2009
 Trap Mountain(?) west from Smokey Creek Trail near Trap Spring east from Mule Ear Overlook. Big Bend National Park, Texas, November 25, 2007
 Blue pimpernel flowers in a riverbed of a tributary of Nahal Revivim descending from a mountain ridge near Yeroham reservoir. The Middle East, March 8, 2001
 Showy Orchis (Galearis spectabilis) orchid wildflower on Ridge Trail above Trailpoint 1 in Sourland Mountain Preserve. Somerset County, New Jersey, May 6, 2007
 Garlic mustard and cut leaf toothwort in background on Mount Rose Ridge Trail in Stony Brook Watershed park. Pennington, New Jersey, April 29, 2007
 Blue Parlor of Yusupov Palace. Saint Petersburg, Russia, September 6, 2007
 View of Sandy Hook Bay and Sandy Hook from Mount Mitchill Scenic Overlook. Atlantic Highlands, New Jersey, April 22, 2007
 Mule Ear Peaks east from Smokey Creek Trail east from Mule Ear Overlook. Big Bend National Park, Texas, November 25, 2007
 Young leaves of Virginia creeper on a tree on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, March 2, 2019
 May apple leaf growing through a dry leaf on Mount Rose Ridge Trail in Stony Brook Watershed park. Pennington, New Jersey, April 29, 2007
 Camping on a small ridge near Juniper Canyon Trail south from Upper Juniper Spring. Big Bend National Park, Texas, November 22, 2007
 Blue Trail in Six Mile Run Reservoir, approaching Blackwell Mills Road. Somerset, New Jersey, April 29, 2007
 Old railroad bridge of MKT Parkway. Columbia, Missouri, September 8, 2005
 Brushwood Lake near MKT Parkway. Columbia, Missouri, September 8, 2005
 Prickly pears cactus on a small ridge near Juniper Canyon Trail south from Upper Juniper Spring. Big Bend National Park, Texas, November 22, 2007
 Lost Falls near Blue Trail in DeSoto State Park on Lookout Mountain. Fort Payne, Alabama, May 19, 2007
 A trunk of a big tree, view from an overlook near main road near tent camping in Tickfaw State Park. Springfield, Louisiana, September 10, 2006
 Kleingrass (blue panicgrass, Panicum coloratum)(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, October 9, 2015
 Kleingrass (blue panicgrass, Panicum coloratum) on a field on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, May 1, 2015
 Remains of pine forest near Scenic Overlook in Bastrop State Park. Bastrop, Texas, July 28, 2018
 Carbonized burnt pine on Scenic Overlook Trail in Bastrop State Park. Bastrop, Texas, December 25, 2011
 Texture of a carbonized pine on Scenic Overlook Trail in Bastrop State Park. Bastrop, Texas, December 25, 2011
 Burnt pine forest near Scenic Overlook Trail in Bastrop State Park. Bastrop, Texas, December 25, 2011
 Spikelets of kleingrass (blue panicgrass, Panicum coloratum) on a field on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, May 1, 2015
 Blue flowers of silverleaf nightshade (Solanum elaeagnifolium) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, June 5, 2015
 Flowers of Kleingrass (blue panicgrass, Panicum coloratum) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, October 9, 2015
 Blue Pansy (Junonia orithya) butterfly on a field on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, October 9, 2015
 Blue Pansy (Junonia orithya) butterfly on a field on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 10, 2015
 Fallen tree near Lost Pines Overlook in Bastrop State Park. Bastrop, Texas, December 17, 2011
 Kleingrass (blue panicgrass, Panicum coloratum) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
 Compact stand of Kleingrass (blue panicgrass, Panicum coloratum)(?) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, October 9, 2015
 Blue flowers of scarlet pimpernel (Anagallis arvensis var. caerulea) in a small runnel in area of Ras Laffan Farms, on north-eastern coast. Qatar, February 12, 2016
 Blue flowers of scarlet pimpernel (Anagallis arvensis var. caerulea, local name ain al qit) in a depression near a road to Zubara in Al Magdah farms area, in north-western Qatar, February 22, 2014
 Echinocactus horizonthalonius (devil s head cactus, or horse crippler) with daggerlike spines on a small ridge near Juniper Canyon Trail south from Upper Juniper Spring. Big Bend National Park, Texas, November 22, 2007
 Blue Pansy (Junonia orithya) butterfly on flowers of Reichardia intermedia on a field on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 10, 2015
 Mountain laurel flowers on Blue Trail in DeSoto State Park on Lookout Mountain. Fort Payne, Alabama, May 19, 2007
 Bolete mushrooms Hortiboletus campestris(?) under a live oak on a lawn on James Parkway. College Station, Texas, November 15, 2017
 Lianes of muscate grape at Southwest Parkway, view from Bee Creek Park. College Station, Texas, August 5, 2022
 Flower of Texas Indian-mallow (Abutilon fruticosum, Abutilon denticulatum, local name gargadan) against blue sky on roadside of a road to Zubara in area of Al Magdah farms. North-western Qatar, February 20, 2016
 A tree on northern tip of Sandy Hook. New Jersey, April 22, 2007
 Blue violets on Stony Brook trail in Stony Brook - Millstone Watershed Main Reserve. Pennington, New Jersey, April 28, 2007
 Sorghum ergot fungus (Claviceps africana) on flowers of johnsongrass taken from Bee Creek Park, south from Southwest Parkway bridge. College Station, Texas, August 27, 2020
 A tree in the area of US Coast Guard in Sandy Hook. New Jersey, April 22, 2007
 In Lemon Tree Park after ice storm. College Station, Texas, January 17, 2007
 A tree on dunes of north beach in Sandy Hook. New Jersey, April 22, 2007
 Blue tree frog in Rainforest Pyramid of Moody Gardens. Galveston, Texas, January 19, 2013
 Devil s Hall in Pine Spring Canyon. Guadalupe Mountains National Park, Texas, December 28, 2007
 Big rocks near Devil s Hall in Pine Spring Canyon. Guadalupe Mountains National Park, Texas, December 28, 2007
 Rocks in Devil s Hall in Pine Spring Canyon. Guadalupe Mountains National Park, Texas, December 28, 2007
 Dead tree from El Capitan Trail. Guadalupe Mountains National Park, Texas, December 27, 2007
 A bud of a tree, with Delaware and Raritan Canal in background, near Harrison Street crossing. Princeton, New Jersey, May 1, 2007
 Poison ivy on a bark of a tree in Delaware and Raritan Canal State Park. Kingston, New Jersey, May 7, 2007
 Toothbrush tree (Salvadora persica) in abandoned gardens in area of Ras Laffan farms. North-eastern Qatar, February 19, 2016
 Toothbrush tree (Salvadora persica) in old garden in a village of Al Mashrab in area of Ras Laffan Farms. Northern Qatar, October 10, 2015
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