 River bed of a tributary of Lampasas River near the entrance of Chalk Ridge Falls Park, below a dam of Stillhouse Hollow Lake. Belton - Killeen, Texas, August 17, 2008
 Limestone cave with a spring of a tributary of Lampasas River near the entrance of Chalk Ridge Falls Park, below a dam of Stillhouse Hollow Lake. Belton - Killeen, Texas, August 17, 2008
 Old suspension bridge over a tributary of Lampasas River at the head of Stillhouse Hollow Nature Trail in Chalk Ridge Falls Park. Belton - Killeen, Texas, August 17, 2008
 Pretty sneezeweed (Helenium elegans) with down-flexed ray flowers near Lampasas River in Chalk Ridge Falls Park, below a dam of Stillhouse Hollow Lake. Belton - Killeen, Texas, May 17, 2009
 Waterfall of Chalk Ridge Falls Park, below a dam of Stillhouse Hollow Lake. Belton - Killeen, Texas, August 17, 2008
 Waterfall and a pond of Chalk Ridge Falls Park, below a dam of Stillhouse Hollow Lake. Belton - Killeen, Texas, August 17, 2008
 Steel cable suspension bridge downstream from the falls in Chalk Ridge Falls Park, below a dam of Stillhouse Hollow Lake. Belton - Killeen, Texas, August 17, 2008
 Waterfall of Chalk Ridge Falls Park, below a dam of Stillhouse Hollow Lake. Belton - Killeen, Texas, May 17, 2009
 A spring with maiden ferns of a small creek in Chalk Ridge Falls Park. Belton - Killeen, Texas, May 17, 2009
 Tributary of Nahal Darokh river going through chalk hills 4 miles east from Sde Boker, view from lower site. The Middle East, April 9, 2001
 Lake below the falls in Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 River downstream from Cypress Pool in Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 River flats 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
 Rusty cypress foliage on a river in north area of Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 Opposite side of the river downstream from Cypress Pool in Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 View from opposite side of the river downstream from Cypress Pool in Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 Cypress Pool below the falls in Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 Creek and a cypress in McKinney Falls State Park, near Upper falls. Austin, Texas, October 26, 2008
 Pedernales River in Beach Area in Pedernales Falls State Park. Johnson City, Texas, November 29, 2008
 Shores of Pedernales River below bluffs in Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 Pedernales River in north area of Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 Indian mallow (Abutilon fruticosa) near a parking of Upper falls in McKinney Falls State Park. Austin, Texas, October 26, 2008
 Hollow part of a cypress tree in Pedernales Falls State Park. Johnson City, Texas, January 12, 2013
 A tributary of Nahal Revivim descending from a mountain ridge near Yeroham reservoir. The Middle East, March 8, 2001
 A tributary of Nahal Revivim descending from a mountain ridge near Yeroham reservoir. The Middle East, March 8, 2001
 Cypress trees lining Pedernales River below bluffs in Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 Hollow part of a cypress tree at sunset in Pedernales Falls State Park. Johnson City, Texas, January 12, 2013
 Blue flowers of mealy sage (Salvia farinacea) on opposite side of the river downstream from Cypress Pool in Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 Red anemones in a riverbed of a tributary of Nahal Revivim descending from a mountain ridge to Yeroham reservoir. The Middle East, March 8, 2001
 A dry riverbed at spring of a tributary of Nahal Revivim descending from a mountain ridge near Yeroham reservoir. The Middle East, March 8, 2001
 Garlic-like flowers in a riverbed of a tributary of Nahal Revivim descending from a mountain ridge to Yeroham reservoir. The Middle East, March 8, 2001
 Spring flowers in a riverbed of a tributary of Nahal Revivim descending from a mountain ridge near Yeroham reservoir. The Middle East, March 8, 2001
 Common flowers in a riverbed of a tributary of Nahal Revivim descending from a mountain ridge near Yeroham reservoir. The Middle East, March 8, 2001
 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
 Dark Hollow Falls near Skyline Drive. The Meadow, Virginia, May 16, 2007
 Texas aster with variegated fritillary(?) butterfly near a pond of Upper falls in McKinney Falls State Park. Austin, Texas, October 26, 2008
 Dwarf yellow butterfly (Dainty Sulphur, Nathalis iole) on Texas aster near a pond of Upper falls in McKinney Falls State Park. Austin, Texas, October 26, 2008
 Entrance of granite hollow of old powder bunker in north-west area of Monrepo (Mon Repos) Park. Vyborg, Russia, September 14, 2013
 Texas aster (Aster texanus) near a pond of Upper falls in McKinney Falls State Park. Austin, Texas, October 26, 2008
 Givat Rehavam hill cone made of chalk and marl, view from a ridge along Gishron cliffs (trail 20564) 3 miles west from Eilat. The Middle East, January 17, 2002
 Givat Rehavam hill cone made of chalk and marl, view from a ridge along Gishron cliffs (trail 20564) 3 miles west from Eilat. The Middle East, October 17, 2002
 Givat Rehavam hill cone made of chalk and marl, view from a ridge along Gishron cliffs (trail 20564) 3 miles west from Eilat. The Middle East, October 17, 2002
 Givat Rehavam hill cone made of chalk and marl, view from a ridge along Gishron cliffs (trail 20564) 3 miles west from Eilat. The Middle East, October 17, 2002
 Northern tributary of Tseelim River, view from Roman road from Masada. The Middle East, May 17, 2001
 Southern tributary of Netafim River (?), 3 miles north-west from Eilat. The Middle East, March 22, 2001
 Hoots Hollow Trail in Brazos Bend State Park. Needville, Texas, December 14, 2008
 Falls of a dam of Volchya River after heavy rains in Petiayarvi, 50 miles north from Saint Petersburg. Russia, August 30, 2017
 Oaks of Hoots Hollow Trail in Brazos Bend State Park. Needville, Texas, December 14, 2008
 Vines on Hoots Hollow Trail in Brazos Bend State Park. Needville, Texas, December 14, 2008
 A gorge in Buttermilk Falls State Park, near upper entrance. Ithaca, New York, October 13, 2005
 A waterfall in Buttermilk Falls State Park, near upper entrance. Ithaca, New York, October 23, 2005
 Oaks and vines on Hoots Hollow Trail in Brazos Bend State Park. Needville, Texas, December 14, 2008
 Bayou Barbay, a tributary of Amite River, view from Pete s Landing at Road 444 in Maurepas. Livingston Parish, Louisiana, November 25, 2006
 Water tupelo in Bayou Barbay, a tributary of Amite River, view from Pete s Landing at Road 444 in Maurepas. Livingston Parish, Louisiana, November 25, 2006
 Chatfield Hollow Brook and a covered bridge in Chatfield Hollow State Park. Killingworth, Connecticut, June 6, 2004
 Old wooden bridge over tributary of Alligator Branch of Lake Raven in Huntsville State Park. Texas, October 16, 2010
 Chatfield Hollow Brook, view from a covered bridge in Chatfield Hollow State Park. Killingworth, Connecticut, June 6, 2004
 A cypress and water tupelo in Bayou Barbay, a tributary of Amite River, view from Pete s Landing at Road 444 in Maurepas. Livingston Parish, Louisiana, November 25, 2006
 Decaying wooden bridge over tributary of Alligator Branch of Lake Raven in Huntsville State Park. Texas, October 16, 2010
 Chalk hills at Nahal Darokh river 4 miles east from Sde Boker. The Middle East, April 9, 2001
 Chalk hills at Nahal Darokh river 4 miles east from Sde Boker. The Middle East, April 9, 2001
 Chalk hills at Nahal Darokh river 4 miles east from Sde Boker. The Middle East, April 9, 2001
 A cypress and water tupelo reflected in Bayou Barbay, a tributary of Amite River, view from Pete s Landing at Road 444 in Maurepas. Livingston Parish, Louisiana, November 25, 2006
 Muscovy duck (Cairina moschata) on Brazos River bank in Martin Luther King, Jr. Park. Waco, Texas, August 23, 2008
 Patch of corticioid fungus Dendrothele candida on bark of a big live oak behind the park entrance at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 9, 2020
 Gnarl on cypress knees damaged by lawn mowers near a river walk in Martin Luther King, Jr. Park. Waco, Texas, August 23, 2008
 Exfoliating bark of river birch (Betula nigra) on Deer Run Trail in Lick Creek Park. College Station, Texas, August 28, 2008
 Waco Suspension Bridge, south-west entrance. Waco, Texas, August 23, 2008
 White cracked patch of corticioid mushroom Dendrothele candida on bark of a big live oak behind the park entrance at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 9, 2020
 Smooth white patch of corticioid fungus Dendrothele candida on bark of a big live oak (Quercus virginiana) in a forest behind the park entrance at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 9, 2020
 A tributary of Nahal Nekarot River running from southern side of Ramon Crater, 6 miles south-east from Mitzpe Ramon. The Middle East, May 3, 2001
 Beach Area in Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 Brown and pinkish papery strips of bark of river birch (Betula nigra) on Deer Run Trail in Lick Creek Park. College Station, Texas, August 28, 2008
 Film-like papery peeling curls of bark of river birch (Betula nigra) on Deer Run Trail in Lick Creek Park. College Station, Texas, August 28, 2008
 River below Beach Area in Pedernales Falls State Park. Johnson City, Texas, November 7, 2009
 Falls near Old Lodging Railroad at Upper Otter Creek Overlook at mile 35 of Blue Ridge Parkway. Buena Vista, Virginia, May 17, 2007
 Roots in north area of 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
 Fishing in Cypress Pool in 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
 Mustard flowers in grist mill in McKinney Falls State Park. Austin, Texas, October 26, 2008
 Palafoxia callosa near Onion Creek in McKinney Falls State Park. Austin, Texas, October 26, 2008
 Bare red face with a pronounced caruncle at the base of the bill of Muscovy duck (Cairina moschata) at a river walk in Martin Luther King, Jr. Park. Waco, Texas, August 23, 2008
 Chapman Falls and Eightmile River in Devils Hopyard State Park. East Haddam, Connecticut, May 22, 2004
 Cypress forest in north area of Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 Trunk of a bald cypress below bluffs in 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
 Stones downstream from Cypress Pool in Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 Red cypress foliage in north area of Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 Cypress roots enveloping a river boulder in Pedernales Falls State Park. Johnson City, Texas, January 12, 2013
 Some whitish lichen on a limestone rock near the river in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Button lichen (Buellia) on limestone near the river in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Cypresses and the river in north-east area of Pedernales Falls State Park. Johnson City, Texas, November 6, 2010
 Bald cypress trees in Beach Area in Pedernales Falls State Park. Johnson City, Texas, November 29, 2008
 Dying cypress trees in north area of Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 Trees damaged by floodings in north area of Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 Trunks of dead trees in north area of Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
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