 A gorge in Noccalula Falls Park. Gadsden, Alabama, January 15, 2006
 Rapids in Noccalula Falls Park. Gadsden, Alabama, January 15, 2006
 Noccalula Falls. Gadsden, Alabama, February 1, 2007
 Lost Falls near Blue Trail in DeSoto State Park on Lookout Mountain. Fort Payne, Alabama, May 19, 2007
 Laurel Falls near Orange Trail in DeSoto State Park on Lookout Mountain. Fort Payne, Alabama, May 19, 2007
 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
 Creek and a cypress in McKinney Falls State Park, near Upper falls. Austin, Texas, October 26, 2008
 Mountain laurel flowers on Blue Trail in DeSoto State Park on Lookout Mountain. Fort Payne, Alabama, May 19, 2007
 Lower Falls in Taughannock Falls State Park. Ithaca, New York, October 11, 2005
 Lake below the falls in Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 Twin falls in Pedernales Falls State Park, from an overlook. Johnson City, Texas, November 7, 2009
 Cypress Pool below the falls in 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
 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
 Dry riverbed in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Texas aster with variegated fritillary(?) butterfly near a pond of Upper falls in McKinney Falls State Park. Austin, Texas, October 26, 2008
 Side waterfall in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Water stream in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Water and rocks in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Water cascades in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Small waterfall in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Base of a cypress in Pedernales Falls State Park. Johnson City, Texas, January 12, 2013
 Waterfalls from the overlook in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Water cascade in Pedernales Falls State Park. Johnson City, Texas, January 12, 2013
 Small waterfall in Pedernales Falls State Park. Johnson City, Texas, January 12, 2013
 Giant boulder in Pedernales Falls State Park. Johnson City, Texas, January 12, 2013
 Tip of a cypress knee in Pedernales Falls State Park. Johnson City, Texas, January 12, 2013
 Dry cypress stump in Pedernales Falls State Park. Johnson City, Texas, January 12, 2013
 Cracked limestone in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Leather lichen (Dermatocarpon) in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Small water stream in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Black limestone rocks in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Pattern of cypress roots in Pedernales Falls State Park. Johnson City, Texas, January 12, 2013
 Various crustose lichens on limestone in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Growth on cypress roots in Pedernales Falls State Park. Johnson City, Texas, January 12, 2013
 Gnarls on a cypress tree in Pedernales Falls State Park. Johnson City, Texas, January 12, 2013
 Forking of cypress roots in Pedernales Falls State Park. Johnson City, Texas, January 12, 2013
 Knotted cypress roots in Pedernales Falls State Park. Johnson City, Texas, January 12, 2013
 Texture of a dry cypress stump in Pedernales Falls State Park. Johnson City, Texas, January 12, 2013
 Texture of cypress bark in Pedernales Falls State Park. Johnson City, Texas, January 12, 2013
 Weathered cypress roots in Pedernales Falls State Park. Johnson City, Texas, January 12, 2013
 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
 Dirinaria lichen on a dry red cedar tree in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Crustose lichens of different colors on limestone in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Buellia and other lichens on a limestone rock in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Hollow part of a cypress tree in Pedernales Falls State Park. Johnson City, Texas, January 12, 2013
 Lichens and sorrel on shady limestone in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Base of a cypress tree at sunset in Pedernales Falls State Park. Johnson City, Texas, January 12, 2013
 Grey crustose lichen on limestone in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Leather lichen (Dermatocarpon) on limestone in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Alligator skinned cypress roots in Pedernales Falls State Park. Johnson City, Texas, January 12, 2013
 Black lichen Verrucaria on limestone in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Leather lichen (Dermatocarpon) on limestone in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Base of a large cypress tree in Pedernales Falls State Park. Johnson City, Texas, January 12, 2013
 Tar-jelly lichen (Collema) on limestone conglomerate in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Some whitish lichen on a limestone rock near the river in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Stones embedded into a base of a cypress tree in Pedernales Falls State Park. Johnson City, Texas, January 12, 2013
 Smooth limestone rocks near the water stream in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Brown and orange crustose lichens on limestone in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Button lichen (Buellia) on a limestone rock in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Leather lichen (Dermatocarpon) on limestone in a forest in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Hollow part of a cypress tree at sunset in Pedernales Falls State Park. Johnson City, Texas, January 12, 2013
 Dark-green crustose lichen on limestone in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Molten cypress root engulfing a stone in Pedernales Falls State Park. Johnson City, Texas, January 12, 2013
 Dust lichen (Lepraria) in shade of cliffs in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Cypress roots enveloping a river boulder in Pedernales Falls State Park. Johnson City, Texas, January 12, 2013
 Button lichen (Buellia) on a limestone rock 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
 Ruffle lichen (Parmotrema) on a dry red cedar tree in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Shequaga Falls in village of Montour Falls. New York, November 1, 2005
 Ant Sarah Falls in village of Montour Falls. New York, November 3, 2005
 Taughannock Falls near Ithaca, view from upper falls overlook. New York, October 8, 2005
 Dust lichen (Lepraria) on limestone in shade of cliffs in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Pebbles inside a nest-like cavity of a cypress tree in Pedernales Falls State Park. Johnson City, Texas, January 12, 2013
 Button lichen (Buellia) on limestone rock near the river in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Ruffle lichen (Parmotrema) on a mossy limestone rock in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Green Cladonia lichen on sandstone or limestone in a forest in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Weathered white boulder in area of Cypress Pool in Pedernales Falls State Park. Johnson City, Texas, January 12, 2013
 Button lichen (Buellia) on a mossy limestone rock in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Close up of black and green lichen Verrucaria on limestone in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Entangled cypress roots growing over river boulders in Pedernales Falls State Park. Johnson City, Texas, January 12, 2013
 Patches of button lichen (Buellia) on a limestone rock in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 White patch of Aspicilia lichen on a limestone rock in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Frozen Taughannock Falls near Ithaca, view from upper falls overlook. New York, December 10, 2005
 Taughannock Falls, view from upper falls overlook at rain. Ithaca, New York, November 9, 2005
 First snow at Taughannock Falls near Ithaca, view from upper falls overlook. New York, November 23, 2005
 Texas aster (Aster texanus) near a pond of Upper falls in McKinney Falls State Park. Austin, Texas, October 26, 2008
 Taughannock Falls near Ithaca, view from upper falls overlook, at cold morning. New York, November 24, 2005
 Taughannock Falls near Ithaca, view from upper falls overlook, at light snowfall. New York, November 23, 2005
 Rock shield lichen (Xanthoparmelia) on limestone in a red cedar forest in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Some dark-green crustose lichen on a limestone rock near the river in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Dust lichen (Lepraria) on shaded rocks in a red cedar forest in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Ruffle lichen (Parmotrema) in shade on a mossy limestone rock in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Close up of green Cladonia lichen on sandstone or limestone in a forest in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Blunt pellitory (Parietaria pensylvanica, Urticaceae) in shade of limestone cliffs in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Ruffle lichen (Parmotrema) on a mossy limestone rock in a red cedar forest in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Bordered scale lichen (Psora pseudorussellii) on a conglomerate rock near the river in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Soaptree yucca (Yucca elata) in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
|