Leaves of Southern Maidenhair Fern (Adiantum capillus-veneris) in Hamilton Pool Preserve, west from Austin. Texas, January 12, 2013
Southern Maidenhair Fern (Adiantum capillus-veneris) in a stream of Hamilton Pool Preserve, west from Austin. Texas, January 12, 2013
Southern Maidenhair Fern (Adiantum capillus-veneris) growing over a stream of Hamilton Pool Preserve, west from Austin. Texas, January 12, 2013
Southern Maidenhair Fern (Adiantum capillus-veneris) reflected in a stream of Hamilton Pool Preserve, west from Austin. Texas, January 12, 2013
Maidenhair fern at the base of rotten tree stump in Hamilton Pool Preserve, west from Austin. Texas, January 12, 2013
Maidenhair fern (Adiantum capillus-veneris) near a spring in Watson Rare Native Plant Preserve. Warren, Texas, November 27, 2021
Maidenhair fern (Adiantum capillus-veneris) in Mercer Arboretum and Botanical Gardens. Humble (Houston area), Texas, October 14, 2012
Fern leaf damaged by frost over a stream in Hamilton Pool Preserve, west from Austin. Texas, January 12, 2013
Cypress roots and fern in Hamilton Creek, in Hamilton Pool Preserve. West from Austin, Texas, December 20, 2008
Cypress gnarl in Hamilton Pool Preserve, west from Austin. Texas, January 12, 2013
Red foliage of oak seedlings in Hamilton Pool Preserve, west from Austin. Texas, January 12, 2013
Dry cypress roots in Hamilton Pool Preserve, west from Austin. Texas, January 12, 2013
Damaged cypress root in Hamilton Pool Preserve, west from Austin. Texas, January 12, 2013
Gnarl on roots of a cypress in Hamilton Pool Preserve, west from Austin. Texas, January 12, 2013
Roots of a dead cypress tree in Hamilton Pool Preserve, west from Austin. Texas, January 12, 2013
Texture of cypress tree stump in Hamilton Pool Preserve, west from Austin. Texas, January 12, 2013
Dry ferns on roots of a dead cypress tree in Hamilton Pool Preserve, west from Austin. Texas, January 12, 2013
Rocks in Hamilton Creek, in Hamilton Pool Preserve. West from Austin, Texas, December 20, 2008
Hamilton Creek below the waterfall, in Hamilton Pool Preserve. West from Austin, Texas, December 20, 2008
Cypress roots in Hamilton Creek, in Hamilton Pool Preserve. West from Austin, Texas, December 20, 2008
Pools of Hamilton Creek below the waterfall, in Hamilton Pool Preserve. West from Austin, Texas, December 20, 2008
Cypress on Hamilton Creek below the waterfall, in Hamilton Pool Preserve. West from Austin, Texas, December 20, 2008
Cypress stump in Hamilton Creek, in Hamilton Pool Preserve. West from Austin, Texas, December 20, 2008
Cypress knees in Hamilton Creek below the waterfall, in Hamilton Pool Preserve. West from Austin, Texas, December 20, 2008
Cypress tree base in Hamilton Creek, in Hamilton Pool Preserve. West from Austin, Texas, December 20, 2008
Cypress trees in Hamilton Creek below the waterfall, in Hamilton Pool Preserve. West from Austin, Texas, December 20, 2008
Cypress trees and roots in Hamilton Creek below the waterfall, in Hamilton Pool Preserve. West from Austin, Texas, December 20, 2008
Niche under a waterfall in Hamilton Pool, west from Austin. Texas, January 12, 2013
Hamilton Pool and waterfall. West from Austin, Texas, December 20, 2008
Trail around Hamilton Pool and waterfall. West from Austin, Texas, December 20, 2008
Northern maidenhair fern (Adiantum pedatum) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 5, 2017
Northern maidenhair fern (Adiantum pedatum) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 9, 2017
Northern maidenhair fern (Adiantum pedatum) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 18, 2016
Northern maidenhair fern (Adiantum pedatum) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 4, 2017
Northern maidenhair fern (Adiantum pedatum) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 21, 2015
Northern maidenhair fern (Adiantum pedatum) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 5, 2017
Leaves of northern maidenhair fern (Adiantum pedatum) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 5, 2017
Leaves of northern maidenhair fern (Adiantum pedatum) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 18, 2016
Overhanging limestone cliff in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
Overhanging top of limestone cliffs in Maszhabiya (Al Mashabiya) Reserve near Abu Samra. Southern Qatar, April 1, 2016
Overhanging limestone formation in Maszhabiya (Al Mashabiya) Reserve near Abu Samra. Southern Qatar, April 8, 2016
Overhanging limestone rocks in Maszhabiya (Al Mashabiya) Reserve near Abu Samra. Southern Qatar, June 25, 2016
A pool between Nakheel and Woqod towers in West Bay. Doha, Qatar, November 21, 2013
Fern fiddlehead in prehistoric garden in Zilker Botanical Gardens, Austin, Texas, March 7, 2009
A pool after a rain on a parking lot north from Woqod Tower in West Bay. Doha, Qatar, November 21, 2013
Reflections of Nakheel and Woqod towers in a pool after a rain on a parking lot in West Bay. Doha, Qatar, November 21, 2013
Overhanging stairs of Natchez Steamboat in fog. New Orleans, Louisiana, January 13, 2007
Weathered white boulder in area of Cypress Pool in Pedernales Falls State Park. Johnson City, Texas, January 12, 2013
Reflections of Nakheel and Woqod towers in a pool after a rain on a parking lot in West Bay at morning. Doha, Qatar, November 21, 2013
Seedlings of climbing fern (Lygodium japonicum) near a spring in Watson Rare Native Plant Preserve. Warren, Texas, November 27, 2021
Mosque and a pool of Al Bidda Park. Doha, Qatar, February 23, 2013
Loop 360 Pennybacker Bridge and Lake Austin at morning. Austin, Texas, July 26, 2008
Pool of Ceremonial Court in Education City campus. Doha, Qatar, May 26, 2013
Overgrown swimming pool in old Red Army camp. Gotha, Germany, December 4, 2013
Water pool in Al Bidda (Rumeilah) Park. Doha, Qatar, March 15, 2013
Shallow pool in Texas A and M University in Education City. Doha, Qatar, June 19, 2013
Resurrection fern (Pleopeltis polypodioides) on an oak over Village Creek, view from a foot bridge on Kirby Trail in Big Thicket National Preserve. Warren, Texas, November 10, 2018
Cleaning a pool of Ceremonial Court in Education City at rain. Doha, Qatar, April 30, 2013
Passageway and reflecting pool of Ceremonial Court in Education City. Doha, Qatar, March 7, 2013
Frost on Southern wax myrtle (Bayberry, Myrica cerifera) in Lick Creek Park. College Station, Texas, January 17, 2013
Ice crystals on Southern wax myrtle (Bayberry, Myrica cerifera) in Lick Creek Park. College Station, Texas, January 17, 2013
Southern Lady Fern (Athyrium filix-femina var. asplenioides) in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, March 7, 2020
Swimming pool of Cliff Lodge in Snowbird Ski Area. Utah, January 9, 2008
Water pool in Lick Creek Park. College Station, Texas, January 2, 2023
Arborvitae Fern (moss fern, Selaginella pallescens) in Antique Rose Emporium. Independence, Texas, September 1, 2012
Water fountain and pool of Museum of Islamic Art at evening. Doha, Qatar, January 22, 2015
Jumping fish in a pool on rocks on a beach in western part of Haloul Island (Jazirat Halul). Qatar, April 19, 2013
The Pool and West Road in Central Park. New York City, March 18, 2007
Red Sea near Breiha Hashemesh (Sun Pool) 6 miles south-west from Taba. Egypt, April 18, 2002
Tanning beds in snow near a swimming pool of Cliff Lodge in Snowbird Ski Area. Utah, January 9, 2008
Crosier (a coiled young fern frond) of bracken fern (Pteridium aquilinum) on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
Crosier (a coiled young fern frond) of bracken fern (Pteridium aquilinum) on Richards Loop Trail in Sam Houston National Forest. Texas, March 3, 2024
Upper deck with a pool of cruise ship "Dream Princess" in dense fog at morning. New Orleans, Louisiana, January 21, 2006
A swimming pool on the upper deck of cruise ship "Dream Princess" at morning. New Orleans, Louisiana, January 21, 2006
Red Sea (view to the north) near Breiha Hashemesh (Sun Pool) 6 miles south-west from Taba. Egypt, April 18, 2002
A pool of Nahal Besor in Eshkol Park 10 miles west from Ofakim. The Middle East, February 27, 2001
A pool near En Namer spring in Tseelim Canyon 3.5 miles north-west from Masada. The Middle East, May 17, 2001
A frog in a pool on a meadow west of Toksovo, 10 miles north of Saint Petersburg, Russia, April 26, 1999.
Upper deck with a pool of cruise ship "Dream Princess" in dense fog at early morning. New Orleans, Louisiana, January 21, 2006
Fir-oak-fern rust (Hyalopsora aspidiotus) fungus on a leaf of northern oak fern Gymnocarpium dryopteris near Kavgolovskoe Lake in Toksovo, north from Saint Petersburg. Russia, July 14, 2017
Fern leaf in Petiayarvi, 50 miles north from Saint Petersburg. Russia, August 31, 2013
Upper deck with entertainment facilities and a pool of cruise ship "Dream Princess" in dense fog at morning. New Orleans, Louisiana, January 21, 2006
Resurrection fern on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 17, 2013
Overhanging canopy of Ceremonial Court in Education City campus. Doha, Qatar, February 27, 2012
Bush of Leptadenia pyrotechnica in Traina Sinkhole (karst depression) AOI 2 north-west of Khor Al Adaid. Southern Qatar, January 23, 2015
Eqalorutsit Glacier flowing to Gannet Bay west from Qagssirssuk in Kujalleq region on southern tip of Greenland, view from a window of a plane from Frankfurt, Germany to Toronto, Canada, June 30, 2013
Upper deck with a pool of cruise ship "Dream Princess" and Crescent City Connection Bridge in fog at night. New Orleans, Louisiana, January 21, 2006
Upper deck with a pool of cruise ship "Dream Princess" and Crescent City Connection Bridge at evening. New Orleans, Louisiana, January 20, 2006
An upper deck, a night bar, and a swimming pool of cruise ship "Dream Princess", used as temporary students dorms. New Orleans, Louisiana, January 21, 2006
Sand mound with Leptadenia pyrotechnica in Traina Sinkhole (karst depression) AOI 2 north-west of Khor Al Adaid. Southern Qatar, January 23, 2015
View from a crest of sand dune in Traina Sinkhole (karst depression) AOI 2 north-west of Khor Al Adaid. Southern Qatar, January 23, 2015
Rusty underside of a leaf of northern oak fern Gymnocarpium dryopteris affected by a fungal disease fir-oak-fern rust (Hyalopsora aspidiotus) near Kavgolovskoe Lake in Toksovo, north from Saint Petersburg. Russia, July 14, 2017
Fern leaves (fronds) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 9, 2013
Overhanging steel shade of Ceremonial Court in Education City campus, at evening. Doha, Qatar, February 27, 2012
Sand-blast type of wind abrasion in Traina Sinkhole (karst depression) AOI 2 north-west of Khor Al Adaid. Southern Qatar, January 23, 2015
Rocks and Pedernales River in Reimers Ranch park. West from Austin, Texas, December 20, 2008
View of railroad, university swimming pool, and central Beer-Sheva from a northern hill with Hanegev Palmach Brigade Memorial. The Middle East, January 26, 2001
Red Sea (view to the south) near Breiha Hashemesh (Sun Pool) 6 miles south-west from Taba. Egypt, April 18, 2002
Fiddleheads of a young fern near Lisiy Nos, west from Saint Petersburg. Russia, May 9, 2017
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