 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
 Damaged cypress root in 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
 Overhanging Southern Maidenhair Fern (Adiantum capillus-veneris) of Hamilton Pool Preserve, west from Austin. Texas, January 12, 2013
 Leaves of Southern Maidenhair Fern (Adiantum capillus-veneris) 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
 Dry cypress roots 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
 Gnarl on roots of a cypress 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
 Roots of a dead cypress tree 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
 Cypress stump 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 trees 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 knees 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
 Leaf of muscadine grape damaged by frost in Wolf Pen Creek Park. College Station, Texas, December 10, 2013
 Leaf of muscadine grape with spots damaged by frost in Wolf Pen Creek Park. College Station, Texas, December 10, 2013
 Veination of a leaf of muscadine grape damaged by frost in Wolf Pen Creek Park. College Station, Texas, December 10, 2013
 Frost rimmed red leaf of oak in Lick Creek Park. College Station, Texas, January 17, 2013
 Frost rimmed back lit oak leaf in Lick Creek Park. College Station, Texas, January 17, 2013
 Frost covered orange leaf of greenbrier (Smilax) in Lick Creek Park. College Station, Texas, January 17, 2013
 Frost rimmed orange leaf of farkleberry (Vaccinium arboreum) in Lick Creek Park. College Station, Texas, January 17, 2013
 Frost rimmed brilliant orange leaf of farkleberry (Vaccinium arboreum) in Lick Creek Park. College Station, Texas, January 17, 2013
 Beautyberry damaged by frost in TAMU Holistic Garden in Texas A and M University. College Station, Texas, January 14, 2009
 Watery cap damaged by frost of Lepista(?) mushrooms on a decomposed oak wood on Little Lake Creek Loop Trail east from Trailhead No. 4 in Sam Houston National Forest, near Montgomery. Texas, January 2, 2021
 Leaf of muscadine grape after frost in Wolf Pen Creek Park. College Station, Texas, December 10, 2013
 Laughing gym (spectacular rustgill, Gymnopilus spectabilis, Gymnopilus junonius)(?) mushrooms damaged by frost at a tree base near Racoon Run Trail in Lick Creek Park. College Station, Texas, January 4, 2011
 Leaf of giant ragweed(?) with frost near the creek in Bee Creek Park. College Station, Texas, January 4, 2022
 Fern leaf in Petiayarvi, 50 miles north from Saint Petersburg. Russia, August 31, 2013
 Small Simocybe mushrooms damaged by frost on rotten oak in Hensel Park. College Station, Texas, December 31, 2017
 Wrinkled berries of beautyberry damaged by frost in Lick Creek Park. College Station, Texas, October 24, 2010
 Rime frost on grass in a frozen water pool in Lick Creek Park. College Station, Texas, February 5, 2022
 Fern leaf in Dubki Park in Sestroretsk, west from Saint Petersburg. Russia, May 20, 2019
 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
 Young leaves of castor beans damaged by frost in Mercer Arboretum and Botanical Gardens. Humble (Houston area), Texas, February 8, 2009
 Fern leaf in Sobstvennaya Dacha Park. Old Peterhof, west from Saint Petersburg, Russia, May 17, 2019
 Fern leaf in greenhouses of Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, January 5, 2016
 Branching fern leaf in greenhouses of Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, January 5, 2016
 Back lit fern leaf in greenhouses of Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, January 5, 2016
 Hairy fern leaf in greenhouses of Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, January 5, 2016
 Round leaf of fern in greenhouses of Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, January 5, 2016
 Dry flowers of leonotis damaged by recent frost in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, December 10, 2009
 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
 Back side of a fern leaf in greenhouses of Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, January 5, 2016
 Frostweed (Verbesina virginica) on sewer line right of way in Lick Creek Park. After a heavy frost at night frostweed shows its ribbons of frost (as in ribbon candy). College Station, Texas, January 9, 2010
 Pink geranium flowers damaged by recent frost in TAMU Holistic Garden in Texas A and M University. College Station, Texas, December 12, 2009
 Dry flower buds of leonotis damaged by recent frost in TAMU Holistic Garden in Texas A and M University. College Station, Texas, December 12, 2009
 Spoiled fruits of jatropha damaged by recent frost in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, December 10, 2009
 African bulbine with fungus damaged by recent frost in TAMU Holistic Garden in Texas A and M University. College Station, Texas, December 12, 2009
 Rotting fruits of jatropha damaged by recent frost in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, December 10, 2009
 Leaves and fruits on a fig tree damaged by recent frost in TAMU Holistic Garden in Texas A and M University. College Station, Texas, December 12, 2009
 Frost on berries of greenbrier (Smilax) in Lick Creek Park. College Station, Texas, January 17, 2013
 Pink rose with dead slugs(?) damaged by recent frost in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, December 10, 2009
 Morning frost on farkleberry (Vaccinium arboreum) in Lick Creek Park. College Station, Texas, January 17, 2013
 Frost covered farkleberry (Vaccinium arboreum) in Lick Creek Park. College Station, Texas, January 17, 2013
 Originally yellow flowers of candle bush damaged by recent frost in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, December 10, 2009
 Frost rimmed orange leaves of greenbrier (Smilax) in Lick Creek Park. College Station, Texas, January 17, 2013
 Frost on Southern wax myrtle (Bayberry, Myrica cerifera) in Lick Creek Park. College Station, Texas, January 17, 2013
 Frost rimmed leaves of farkleberry (Vaccinium arboreum) in Lick Creek Park. College Station, Texas, January 17, 2013
 Leaf of climbing fern (Lygodium japonicum) on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, January 22, 2022
 Drooping originally purple flower of larkdaisy (Centratherum punctatum) damaged by recent frost in TAMU Holistic Garden in Texas A and M University. College Station, Texas, December 12, 2009
 Back lit frost rimmed leaves of farkleberry (Vaccinium arboreum) in Lick Creek Park. College Station, Texas, January 17, 2013
 Frost rimmed orange leaves of farkleberry (Vaccinium arboreum) in Lick Creek Park. College Station, Texas, January 17, 2013
 Outgrowth on a leaf of climbing fern (Lygodium japonicum) on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, January 22, 2022
 Leaf pattern of climbing fern (Lygodium japonicum) on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, January 22, 2022
 A pool between Nakheel and Woqod towers in West Bay. Doha, Qatar, November 21, 2013
 Leaf of climbing fern (Lygodium japonicum) suffered from freeze(?) on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, January 22, 2022
 Narrowed stream below the falls in Pedernales Falls State Park. Johnson City, Texas, January 12, 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
 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
 A fence damaged by hurricane waves in West End Park at sunrise. New Orleans, Louisiana, January 11, 2007
 Damaged trees hanging over Lost Pines Trail in Bastrop State Park. Bastrop, Texas, January 5, 2013
 Leaf damaged by pests in Pavlovsk Park. South from Saint Petersburg, Russia, July 21, 2012
 Trumpet-like leaf with a hooded lid of pitcher plant (Sarracenia alata) in Watson Rare Native Plant Preserve. Warren, Texas, November 9, 2013
 Leaf of poison ivy in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 A small stream of Spring Brook in Sweedler Preserve at Lick Brook. Ithaca, New York, November 4, 2005
 A small stream of Spring Brook in Sweedler Preserve at Lick Brook. Ithaca, New York, November 4, 2005
 Maple leaf damaged by fungus in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 21, 2015
 Fern leaf in Sosnovka Park. Saint Petersburg, Russia, October 31, 2016
 Dew on a leaf of fern near Fall Creek and arboretum. Ithaca, New York, October 11, 2005
 Young leaf of a common fern in Antique Rose Emporium. Independence, Texas, March 15, 2021
 Fern leaf in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 26, 2014
 Fern leaf in a forest in Pavlovsk Park. South from Saint Petersburg, Russia, July 21, 2012
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