 Western section of East Trail in Lost Maples State Natural Area. Vanderpool, Texas, November 8, 2008
 Rocks and Can Creek from western section of East Trail in Lost Maples State Natural Area. Vanderpool, Texas, November 8, 2008
 Rocks and trees near western section of East Trail in Lost Maples State Natural Area. Vanderpool, Texas, November 8, 2008
 Ponds of Can Creek from western section of East Trail in Lost Maples State Natural Area. Vanderpool, Texas, November 8, 2008
 Red foliage of bigtooth maple on East Trail in Lost Maples State Natural Area. Vanderpool, Texas, November 8, 2008
 Red foliage of maple trees in Lost Maples State Natural Area, on East Trail. Vanderpool, Texas, November 7, 2008
 Fall foliage of bigtooth maple on East Trail in Lost Maples State Natural Area. Vanderpool, Texas, November 8, 2008
 Maples near East Trail in Lost Maples State Natural Area. Vanderpool, Texas, November 8, 2008
 Back-lit trees on East Trail in Lost Maples State Natural Area. Vanderpool, Texas, November 8, 2008
 Stones and trees in Lost Maples State Natural Area, on East Trail. Vanderpool, Texas, November 7, 2008
 Pond with rocks in Lost Maples State Natural Area, on East Trail. Vanderpool, Texas, November 7, 2008
 Ponds of Can Creek from an overlook of East Trail in Lost Maples State Natural Area. Vanderpool, Texas, November 8, 2008
 Prickly pears cactus on East Trail in Lost Maples State Natural Area. Vanderpool, Texas, November 8, 2008
 Reddish maple leaves in Lost Maples State Natural Area, on East Trail. Vanderpool, Texas, November 7, 2008
 East Trail crowded by park visitors in Lost Maples State Natural Area. Vanderpool, Texas, November 8, 2008
 East Trail on a grassy terrace in Lost Maples State Natural Area, close to parking. Vanderpool, Texas, November 8, 2008
 Hillside view west from East Trail in Lost Maples State Natural Area, close to parking. Vanderpool, Texas, November 8, 2008
 Rock shelters of Hale Hollow Creek near East Trail in Lost Maples State Natural Area. Vanderpool, Texas, November 8, 2008
 Ball moss (Tillandsia recurvata) on a maple tree in Lost Maples State Natural Area, on East Trail. Vanderpool, Texas, November 7, 2008
 Rock shelters of Hale Hollow Creek East Trail in Lost Maples State Natural Area, at evening. Vanderpool, Texas, November 8, 2008
 Rocks, a pond and a foot bridge of Maple Trail, view from East Trail in Lost Maples State Natural Area. Vanderpool, Texas, November 8, 2008
 Ball moss (Tillandsia recurvata) in tangled balls around a tree branch in Lost Maples State Natural Area, on East Trail. Vanderpool, Texas, November 7, 2008
 Water stream of Can Creek from West Trail in Lost Maples State Natural Area. Vanderpool, Texas, November 8, 2008
 Sabinal River in Lost Maples State Natural Area, near parking. Vanderpool, Texas, November 7, 2008
 Bigtooth maple in Lost Maples State Natural Area, near parking. Vanderpool, Texas, November 7, 2008
 Sabinal River from East Trail in Lost Maples State Natural Area. Vanderpool, Texas, December 30, 2007
 Waterfall of Can Creek from West Trail in Lost Maples State Natural Area. Vanderpool, Texas, December 30, 2007
 Red cypress foliage in north area of Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 Rusty cypress foliage in north area of Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 Rusty cypress foliage on a river in north area of Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 Painted lady butterfly (Vanessa virginiensis) on mullein flower in east area of Lost Pines State Park. Bastrop, Texas, November 14, 2009
 Painted lady butterfly (Vanessa virginiensis) with closed wings on mullein flower in east area of Lost Pines State Park. Bastrop, Texas, November 14, 2009
 Southern Jack O Lantern mushrooms (Omphalotus subilludens) on Lost Pines Trail in Lost Pines State Park. Bastrop, Texas, November 14, 2009
 Rocks east from Turkey Pass Trail in Enchanted Rock State Natural Area. Fredericksburg, Texas, October 27, 2007
 Cacti east from Turkey Pass Trail in Enchanted Rock State Natural Area. Fredericksburg, Texas, October 27, 2007
 Gray Hairstreak (Strymon melinus) butterfly on flower heads of fragrant cudweed (sweet everlasting, Pseudognaphalium obtusifolium) in east area of Lost Pines State Park. Bastrop, Texas, November 14, 2009
 Rocks on a slope of Freshman Mountain east from Turkey Pass Trail in Enchanted Rock State Natural Area. Fredericksburg, Texas, October 27, 2007
 Red foliage of poison ivy near Lick Creek near Iron Bridge Trail in Lick Creek Park. College Station, Texas, November 27, 2008
 Walking on Lost Pines Trail in Bastrop State Park. Bastrop, Texas, May 17, 2008
 Red trail near Piney Hill Campgrounds in Lost Pines State Park. Bastrop, Texas, November 14, 2009
 A trail near Piney Hill Campgrounds in Lost Pines State Park. Bastrop, Texas, November 14, 2009
 A trail near Piney Hill Campgrounds in Lost Pines State Park. Bastrop, Texas, November 14, 2009
 CCC pavilion at an overlook in Lost Pines State Park. Bastrop, Texas, September 6, 2008
 Members of the Qatar Natural History Group (QNHG) exploring area of gypsum crystal pavement (selenite) during fossil trip in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 A trail with smoke rising from Piney Hill Campgrounds in Lost Pines State Park. Bastrop, Texas, November 14, 2009
 Turkey Pass Trail in Enchanted Rock State Natural Area. Fredericksburg, Texas, October 27, 2007
 Lost Pines Trail in Bastrop State Park. Bastrop, Texas, November 4, 2007
 Lost Pines Trail in mist in Bastrop State Park. Bastrop, Texas, November 4, 2007
 Fall foliage of Alligator Branch of Lake Raven in Huntsville State Park. Texas, November 23, 2012
 Lichens on rocks near Turkey Pass Trail in Enchanted Rock State Natural Area. Fredericksburg, Texas, October 27, 2007
 Weathering of rocks near Turkey Pass Trail in Enchanted Rock State Natural Area. Fredericksburg, Texas, October 27, 2007
 Many Warts mushroom (Amanita polypyramis) on Lost Pines Trail in Bastrop State Park. Bastrop, Texas, November 4, 2007
 Orange foliage of Chinese tallow in Alligator Branch of Lake Raven in Huntsville State Park. Texas, November 23, 2012
 Fall foliage of Chinese tallow in Alligator Branch of Lake Raven in Huntsville State Park. Texas, November 23, 2012
 Orange foliage of Chinese tallow in Alligator Branch of Lake Raven in Huntsville State Park. Texas, November 23, 2012
 Prickly pear cactus on Turkey Pass Trail in Enchanted Rock State Natural Area. Fredericksburg, Texas, October 27, 2007
 Barren area of Lost Pines Trail in Bastrop State Park. Bastrop, Texas, October 5, 2013
 Area of Lost Pines hiking trail in Bastrop State Park. Bastrop, Texas, April 21, 2012
 Area of Echo Canyon in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
 Fall foliage on Cayuga Trail east from Freese Road. Ithaca, New York, October 15, 2005
 Roman Cave (?) (blue trail) in western Timna Park, 13 miles north from Eilat. The Middle East, November 7, 2002
 Pink Canyon (?) from Blue Trail in western Timna Park, 13 miles north from Eilat. The Middle East, November 7, 2002
 Roman Cave (?) (blue trail) in western Timna Park, 13 miles north from Eilat. The Middle East, November 7, 2002
 Roman Cave (?) (blue trail) in western Timna Park, 13 miles north from Eilat. The Middle East, November 7, 2002
 A small wadi from a trail below western cliffs in Timna Park, 13 miles north from Eilat. The Middle East, November 7, 2002
 Green moss in area of water seepage in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
 Beach Area in Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 Foliage and hazel nuts on Cayuga Trail east from Freese Road. Ithaca, New York, October 15, 2005
 Roots in north area of Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 Area of Trummel Crossing in Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 Cypresses in north area of Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 Cypresses in Beach Area in Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 Members of the Qatar Natural History Group (QNHG) exploring glittering gypsum pavement (selenite) during fossil trip in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 A wadi along the blue trail (area of canyons) in western Timna Park, near Eilat. The Middle East, April 25, 2001
 River flats in north area of Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 Cypress forest in north area of Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 Cypresses "bonsai" in north area of Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 Pedestal rock (differential weathering) near Turkey Pass Trail in Enchanted Rock State Natural Area. Fredericksburg, Texas, October 27, 2007
 Close up of leather lichen Dermatocarpon luridum in water seepage area on granite in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
 Trunks of dead trees in north area of Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 Bald cypress trees in Beach Area in Pedernales Falls State Park. Johnson City, Texas, November 29, 2008
 Trees damaged by floodings in north area of Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 Dying cypress trees in north area of Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 Cypresses on a river island in north area of Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 Trees trimmed by floodings in north area of Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 Roots of cypress trees in north area of Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 Qatar Natural History Group (QNHG) looking at fossilized dugong bones embedded in desert floor under the guidance of a geologist Jacques LeBlanc in area of coastal sabkha in south-western Qatar, February 7, 2014
 Dry squamulous lichen Cladonia growing on moss Grimmia with hyaline hairpoints in shady area in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
 Rhododendron, fir and maples near Gray s Arch. Red River Gorge, Kentucky, November 6, 1999.
 Women s section of the Western Wall. Jerusalem, the Middle East, October 31, 2002
 Women s section of the Western Wall. Jerusalem, the Middle East, October 31, 2002
 Geologist Jacques LeBlanc at the foot of ancient lithified dune of red sand guiding a fossil tour for Qatar Natural History Group (QNHG) in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Members of the Qatar Natural History Group (QNHG) exploring fossilised intertidal stromatolites (microbial mats, laminated sediments) during fossil trip in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Qatar Natural History Group (QNHG) exploring fossilized dugong bones embedded in desert floor under the guidance of a geologist Jacques LeBlanc in area of coastal sabkha in south-western Qatar, February 7, 2014
 Cypress trees combed by floodwaters in Beach Area in Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 Fall colors of a cypress tree in Beach Area in Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 Maples in a yard of a mansion at Bellevue Avenue. Newport, Rhode Island, November 13, 2004
 Members of the Qatar Natural History Group (QNHG) under the guidance of a geologist Jacques LeBlanc exploring fossilised stromatolites (microbial mats) during fossil trip in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Members of the Qatar Natural History Group (QNHG) exploring fossilized dugong bones embedded in desert floor under the guidance of a geologist Jacques LeBlanc in area of coastal sabkha in south-western Qatar, February 7, 2014
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