 "Porcupine egg" of cocklebur (Xanthium strumarium) near Onion Creek in McKinney Falls State Park. Austin, Texas, October 26, 2008
 Tetrameric flower of water-primrose willowherb (Ludwigia) near Onion Creek in McKinney Falls State Park. Austin, Texas, October 26, 2008
 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
 Onion Creek near Lower McKinney Falls. Austin, Texas, October 26, 2008
 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
 Creek and a cypress in McKinney Falls State Park, near Upper falls. Austin, Texas, October 26, 2008
 Indian mallow (Abutilon fruticosa) near a parking of Upper falls in McKinney Falls State Park. Austin, Texas, October 26, 2008
 Texas aster with variegated fritillary(?) butterfly near a pond of Upper falls in McKinney Falls State Park. Austin, Texas, October 26, 2008
 Mustard flowers in grist mill 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
 Palafoxia callosa in Ladybird Johnson Wildflower Center. Austin, Texas, July 26, 2008
 Texas aster (Aster texanus) near a pond of Upper falls in McKinney Falls State Park. Austin, Texas, October 26, 2008
 Christmas cholla cactus (Tasajillo, Opuntia leptocaulis) on Homestead Trail in McKinney Falls State Park. Austin, Texas, October 26, 2008
 Buffalo bur (Solanum rostratum) in McKinney Falls State Park near Austin. Texas, May 10, 2009
 Blooming cherry like tree in McKinney Falls State Park. Austin, Texas, March 7, 2009
 Water speedwell (Veronica anagalis-aquatica) in McKinney Falls State Park near Austin. Texas, May 10, 2009
 Blue curls (Fiddleneck, Phacelia congesta) in McKinney Falls State Park near Austin. Texas, May 10, 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
 Flowers of Blue curls (Fiddleneck, Phacelia congesta) 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
 Palafoxia hookeriana flower in Ladybird Johnson Wildflower Center. Austin, Texas, July 26, 2008
 Flowers of wild onion in Lick Creek Park. College Station, Texas, March 27, 2008
 Lake below the falls 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
 Drummond wild onion (Allium drummondii) in dew near Post Oak Trail in Lick Creek Park. College Station, Texas, April 20, 2008
 Drummond wild onion (Allium drummondii) near Post Oak Trail in Lick Creek Park. College Station, Texas, April 20, 2008
 Lower Falls in Taughannock Falls State Park. Ithaca, New York, October 11, 2005
 Palafoxia rosea in Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, October 22, 2011
 Flower of Palafoxia rosea in Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, October 2, 2010
 Palafoxia rosea(?) in Lake Bryan Park. Bryan, Texas, October 10, 2012
 Beach Area 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
 Twin falls in Pedernales Falls State Park, from an overlook. Johnson City, Texas, November 7, 2009
 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
 Area of Trummel Crossing in Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 Roots in north area of 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
 Sand palafox (Palafoxia hookeriana) in Bastrop State Park. Bastrop, Texas, September 15, 2012
 Sand palafox (Palafoxia hookeriana) in Bastrop State Park. Bastrop, Texas, September 15, 2012
 Drummond wild onion (Allium drummondii) on sewage line right of way in Lick Creek Park. College Station, Texas, April 29, 2009
 Drummond wild onion (Allium drummondii) with a black moth in Lick Creek Park. College Station, Texas, April 29, 2009
 Stones downstream from Cypress Pool 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
 Red cypress foliage 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
 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
 River downstream from Cypress Pool in Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 In Buttermilk Falls State Park. Ithaca, New York, October 13, 2005
 Riverbed of Barton Creek. Austin, Texas, February 2, 2008
 Loop 360 Pennybacker Bridge and Lake Austin at morning. Austin, Texas, July 26, 2008
 Bald cypress trees in Beach Area in Pedernales Falls State Park. Johnson City, Texas, November 29, 2008
 Trees trimmed by floodings 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
 Roots of cypress trees 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
 Cypresses on a river island 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
 A gorge in Buttermilk Falls State Park near Ithaca. New York, October 8, 2005
 Pluto Falls in Watkins Glen State Park. New York, October 13, 2005
 Cliffs of Taughannock Falls State Park near Ithaca. New York, October 5, 2005
 Little waterfalls in Buttermilk Falls State Park. Ithaca, New York, October 13, 2005
 Forest of Taughannock Falls State Park near Ithaca. New York, October 5, 2005
 Palafoxia hookeriana on roadside of Road 364. Gause, Texas, October 1, 2011
 Turquois pool of Bee Creek near Wolf Mountain Trail in Pedernales Falls State Park. Johnson City, Texas, November 10, 2007
 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
 View from Barton Creek Trail. Austin, Texas, February 2, 2008
 Group of students of Texas A and M University at Beach Area parking in Pedernales Falls State Park. Johnson City, Texas, November 29, 2008
 Opposite side of the river downstream from Cypress Pool 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
 Rusty cypress foliage on a river in north area of Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 Cypress trees combed by floodwaters in Beach Area in Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 A plant in a gorge of Taughannock Falls State Park near Ithaca. New York, October 8, 2005
 Area of Rainbow Falls in Watkins Glen State Park. New York, October 13, 2005
 A log on South Rim Trail in Taughannock Falls State Park. Ithaca, New York, October 26, 2005
 Small falls in Robert H. Treman State Park. Ithaca, New York, October 12, 2005
 Gorge trail in Buttermilk Falls State Park near Ithaca. New York, October 8, 2005
 City houses from a canyon of Barton Creek. Austin, Texas, December 24, 2008
 Cypress trees combed by past floodings in Beach Area in Pedernales Falls State Park. Johnson City, Texas, November 29, 2008
 View from opposite side of the river downstream from Cypress Pool in Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 Small falls, zoomed, in Robert H. Treman State Park. Ithaca, New York, October 12, 2005
 Foliage on Bear Trail in Buttermilk Falls State Park. Ithaca, New York, October 13, 2005
 A waterfall in Buttermilk Falls State Park, near upper entrance. Ithaca, New York, October 23, 2005
 Steps of gorge trail in Buttermilk Falls State Park near Ithaca. New York, October 8, 2005
 A gorge in Buttermilk Falls State Park, near upper entrance. Ithaca, New York, October 13, 2005
 Enfield gorge and Lucifer Falls in Robert H. Treman State Park near Ithaca. New York, October 8, 2005
 Lucifer Falls in Enfield Glen, Robert H. Treman State Park, near Ithaca. New York, October 8, 2005
 Small falls of Enfield Glen, in Robert H. Treman State Park. Ithaca, New York, October 12, 2005
 Shores of Pedernales River below bluffs in Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 Pedernales River in Beach Area in Pedernales Falls State Park. Johnson City, Texas, November 29, 2008
 Pedernales River in north area of Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 Cypress downstream from Cypress Pool in Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 Turkey tail mushrooms near Lake Treman in Buttermilk Falls State Park. Ithaca, New York, October 13, 2005
 Cypress trees lining Pedernales River below bluffs in Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 Puzzle-like bark of a fallen sycamore near Gorge Trail in Taughannock Falls State Park. Ithaca, New York, October 11, 2005
 Flower of Palafoxia hookeriana on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, September 20, 2008
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