 Waterfall of Chalk Ridge Falls Park, below a dam of Stillhouse Hollow Lake. Belton - Killeen, Texas, May 17, 2009
 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
 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
 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, 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
 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
 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
 Maiden ferns at Mule Ear Spring. Big Bend National Park, Texas, November 25, 2007
 Camping on a small ridge near Juniper Canyon Trail south from Upper Juniper Spring. Big Bend National Park, Texas, November 22, 2007
 Prickly pears cactus on a small ridge near Juniper Canyon Trail south from Upper Juniper Spring. Big Bend National Park, Texas, November 22, 2007
 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
 Twin falls in Pedernales Falls State Park, from an overlook. Johnson City, Texas, November 7, 2009
 Maiden Pink (Dianthus deltoides) east from Toksovo, 10 miles north from Saint Petersburg. Russia, July 9, 2009
 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
 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
 Falls near Old Lodging Railroad at Upper Otter Creek Overlook at mile 35 of Blue Ridge Parkway. Buena Vista, Virginia, May 17, 2007
 Droppings of a vulture with bones of small birds, on chalk cliffs of Harrarah, 40 miles south-west from Doha. Qatar, April 1, 2011
 Ferns (Dryopteris filix-mas) in area of Novaya Sylvia in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, June 11, 2009
 Creek and a cypress in McKinney Falls State Park, near Upper falls. Austin, Texas, October 26, 2008
 Spring ladies-tresses (Spiranthes vernalis) on Post Oak Trail in Lick Creek Park. College Station, Texas, May 7, 2009
 Small green flowers of pigeon-berry (Rivina humilis, rouge-plant) in a forest near Onion Creek in McKinney Falls State Park. Austin, Texas, October 26, 2008
 Spring desert near a trail descending from a mountain ridge to Yeroham reservoir. The Middle East, March 8, 2001
 Spring flowers in Negev Desert, on a mountain ridge behind Yeroham reservoir. The Middle East, March 8, 2001
 Spring plant in Negev Desert, on a mountain ridge behind Yeroham reservoir. The Middle East, March 8, 2001
 Spring flowers in Negev Desert, on a mountain ridge behind Yeroham reservoir. The Middle East, March 8, 2001
 Spring plants in Negev Desert, on a mountain ridge behind Yeroham reservoir. The Middle East, March 8, 2001
 Small red berries of pigeon-berry (Rivina humilis, rouge-plant, baby peppers) in a forest near Onion Creek in McKinney Falls State Park. Austin, Texas, October 26, 2008
 Small falls in Robert H. Treman State Park. Ithaca, New York, October 12, 2005
 Small waterfall in Pedernales Falls State Park. Johnson City, Texas, January 12, 2013
 Small waterfall in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Spring flowers on rocks of Negev Desert, on a mountain ridge behind Yeroham reservoir. The Middle East, March 8, 2001
 Spring flowers in a riverbed near a trail descending from a mountain ridge to Yeroham reservoir. The Middle East, March 8, 2001
 Small falls, zoomed, in Robert H. Treman State Park. Ithaca, New York, October 12, 2005
 Spring flowers among rocks in a riverbed near a trail 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
 Small water stream in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Buffalo bur (Solanum rostratum) in McKinney Falls State Park near Austin. Texas, May 10, 2009
 Small falls of Enfield Glen, in Robert H. Treman State Park. Ithaca, New York, October 12, 2005
 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
 Blooming cherry like tree in McKinney Falls State Park. Austin, Texas, March 7, 2009
 Boot Spring Trail. Big Bend National Park, November 26, 2009
 Cypress below Beach Area in Pedernales Falls State Park. Johnson City, Texas, November 7, 2009
 Blue curls (Fiddleneck, Phacelia congesta) in McKinney Falls State Park near Austin. Texas, May 10, 2009
 Water speedwell (Veronica anagalis-aquatica) in McKinney Falls State Park near Austin. Texas, May 10, 2009
 River below Beach Area in Pedernales Falls State Park. Johnson City, Texas, November 7, 2009
 Lake below the falls in Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 Narrowed stream below the falls in Pedernales Falls State Park. Johnson City, Texas, January 12, 2013
 Limestone rocks near the falls in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Cypress Pool below the falls in Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 Lower Falls in Taughannock Falls State Park. Ithaca, New York, October 11, 2005
 Flowers of Blue curls (Fiddleneck, Phacelia congesta) in McKinney Falls State Park near Austin. Texas, May 10, 2009
 Cypresses and rocks below Beach Area in Pedernales Falls State Park. Johnson City, Texas, November 7, 2009
 Cypress needles below Beach Area in Pedernales Falls State Park. Johnson City, Texas, November 7, 2009
 Green false nightshade (Chamaesaracha coronopus) near a parking lot in McKinney Falls State Park near Austin. Texas, May 10, 2009
 Mature seed head of curly dock (Rumex) in McKinney Falls State Park near Austin. Texas, May 10, 2009
 Rice stink bug nymph (Oebalus pugnax) on bluestem grass in McKinney Falls State Park near Austin. Texas, May 10, 2009
 Indian mallow (Abutilon fruticosa) near a parking of Upper falls in McKinney Falls State Park. Austin, Texas, October 26, 2008
 Cliffs of Toll Mountain from Boot Spring Trail. Big Bend National Park, November 26, 2009
 Slopes of Chisos Mountains from Boot Spring Trail. Big Bend National Park, November 26, 2009
 A small lake near High Ridge trail in Rock Bridge State Park. Columbia, Missouri, September 24, 2005
 Slopes of Chisos Mountains east from Boot Spring Trail. Big Bend National Park, November 27, 2009
 A small flower on Mount Rose Ridge Trail in Stony Brook Watershed park. Pennington, New Jersey, April 29, 2007
 Under Gorman Falls in Colorado Bend State Park. Bend, Texas, May 23, 2009
 Gorman Falls in Colorado Bend State Park. Bend, Texas, May 23, 2009
 Gorman Falls (view from a trail) in Colorado Bend State Park. Bend, Texas, May 23, 2009
 Mossy travertine formations at the base of Gorman Falls in Colorado Bend State Park. Bend, Texas, May 23, 2009
 Texas aster with variegated fritillary(?) butterfly near a pond of Upper falls in McKinney Falls State Park. Austin, Texas, October 26, 2008
 Ponds of Pedernales Falls. Johnson City, Texas, November 7, 2009
 Maiden Pink (Dianthus deltoides) in Siverskaya, 50 miles south from Saint Petersburg. Russia, July 13, 2017
 Boot Rock from Boot Spring Trail. Big Bend National Park, November 28, 2009
 Boot Rock from Boot Spring Trail at sunrise. Big Bend National Park, November 28, 2009
 View of Boot Rock from Boot Spring Trail. Big Bend National Park, November 27, 2009
 Boot Rock, view from Boot Spring Trail. Big Bend National Park, November 27, 2009
 Water stream near Pedernales Falls. Johnson City, Texas, November 7, 2009
 Cypress pool below Pedernales Falls. Johnson City, Texas, November 7, 2009
 Cypress roots below Pedernales Falls. Johnson City, Texas, November 7, 2009
 Cypress pool below Pedernales Falls. Johnson City, Texas, November 7, 2009
 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
 Small cliffs above Ein Gedi spring. The Middle East, March 29, 2001
 Maiden fern in greenhouses of Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, January 5, 2016
 Flower of maiden Pink (Dianthus deltoides) in Siverskaya, 50 miles south from Saint Petersburg. Russia, July 13, 2017
 Cypress roots between stones below Pedernales Falls. Johnson City, Texas, November 7, 2009
 A small spring in the canyon of Ein Bokek, near Dead Sea. The Middle East, September 18, 2001
 Texas aster (Aster texanus) near a pond of Upper falls in McKinney Falls State Park. Austin, Texas, October 26, 2008
 Small red Hygrocybe and a small Entoloma mushrooms under small oaks in Lick Creek Park. College Station, Texas, July 6, 2021
 Ant Sarah Falls in village of Montour Falls. New York, November 3, 2005
 Shequaga Falls in village of Montour Falls. New York, November 1, 2005
 Taughannock Falls near Ithaca, view from upper falls overlook. New York, October 8, 2005
 Climbing plant of Maiden s Jealousy (Tristellateia australasiae) with yellow flowers in gardens of Sheraton Hotel in West Bay. Doha, Qatar, January 26, 2016
 First snow at Taughannock Falls near Ithaca, view from upper falls overlook. New York, November 23, 2005
 Taughannock Falls, view from upper falls overlook at rain. Ithaca, New York, November 9, 2005
 Frozen Taughannock Falls near Ithaca, view from upper falls overlook. New York, December 10, 2005
 Taughannock Falls near Ithaca, view from upper falls overlook, at light snowfall. New York, November 23, 2005
 Taughannock Falls near Ithaca, view from upper falls overlook, at cold morning. New York, November 24, 2005
 Houston Meadow-rue (Thalictrum texanum) that looks as maiden hair fern near the bordering bushes in Washington Cemetery. Washington, Texas, January 5, 2020
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