 Texture of tree bark in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 20, 2012
 Warty texture with corky ridges of bark of hackberry (Celtis laevigata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2010.
 Texture of script lichen (Graphis) on bark of hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Brown tree bark in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 29, 2010
 Texture of white fringe lichen (Heterodermia albicans) on bark of hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Mushrooms Mycena corticola on a tree bark in area of Old Washington Town Site in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 6, 2021
 Bark texture of osage orange in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 24, 2011
 Texture of bark of hackberry (Celtis laevigata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 17, 2012
 Map-like texture of lichens on bark of hackberry (Celtis laevigata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2020
 Warty texture of bark of hackberry (Celtis laevigata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 17, 2012
 Close-up of texture of lichens on bark of hackberry (Celtis laevigata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2020
 Corky ridges of bark of hackberry (Celtis laevigata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2010
 Warts on bark of hackberry (Celtis laevigata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2010.
 Corky bark of hackberry (Celtis laevigata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 30, 2010
 Tree bark in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 8, 2012
 Alligator texture of rotting tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 16, 2011
 Warty texture of hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 8, 2012
 Texture of dried hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 8, 2012
 Corky ridges of bark of hackberry (Celtis laevigata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 30, 2010
 Rough tree bark in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 8, 2012
 Blackened bark of dried tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 8, 2012
 Warts on the bark of hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 8, 2012
 Graphis and other lichens on bark of Huisache(?) tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 24, 2020
 Old holes bored by sapsuckers in warty bark of hackberry (Celtis laevigata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 30, 2010
 Texture of weathered dry trunk of osage orange (Maclura) tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 29, 2018
 Bark at the base of large black willow tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 8, 2012
 Some green liverwort and lichens on bark of hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Script lichen (Graphis) on bark of hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Tiny green liverwort on bark of hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Mixed crustose lichens on bark of a hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 29, 2018
 Lichens on a tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2010
 Saucer lichen Ochrolechia pallescens on bark of hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Script lichen Graphis lineola on bark of a hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 29, 2018
 Script lichen Graphis lineola(?) on bark of a hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2020
 Medallion lichen (Dirinaria confusa) on bark of hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Medallion lichen (Dirinaria confusa) on bark of a hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 29, 2018
 Saucer lichen Ochrolechia pallescens on bark of a hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 29, 2018
 Details of script lichen (Graphis) on bark of hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Lichens covering a tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2010
 Trunk of hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 30, 2010
 Rattan vine around a tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 28, 2010
 Small caterpillars on a tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 12, 2010
 Orange Dacrymyces(?) mushrooms on bark of a small dried tree in a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 18, 2020
 Tiny green liverwort and Graphis lichen on bark of hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Apothecia of medallion lichen (Dirinaria confusa) on bark of hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Saucer lichen Ochrolechia pallescens with apothecia on bark of hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Sunken bloodspot lichen (Haematomma persoonii) on bark of a hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 29, 2018
 Apothecia of saucer lichen Ochrolechia pallescens on bark of hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 White fringe lichen (Heterodermia albicans) on bark of a hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2020
 Shoot of Virginia creeper vine on a tree covered by bark lichens in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 15, 2009
 Close up of medallion lichen (Dirinaria confusa) on bark of a hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 29, 2018
 Texture of brittle cinder fungus (Kretzschmaria deusta) at the base of a hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 6, 2021
 Underside texture of a chanterelle mushroom Cantharellus quercophilus in area of Old Washington Town Site in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 7, 2021
 Scar of a trunk of hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 30, 2010
 Young tender leaves on a tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 19, 2010.
 Masses of small web caterpillars on a tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 12, 2010
 Black crust of dried slime mold (Ascomycota) on bark of Maclura(?) tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 29, 2018
 Script lichen Graphis lineola and other crustose lichens on bark of a hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 29, 2018
 Crust fungus Scytinostroma portentosum(?) on bark of a fallen branch of pecan tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
 Texture of fringe lichen (Heterodermia) on a dry(?) trunk of a bush-like tree of huisache (Acacia minuata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 29, 2018
 Texture of polypore mushrooms Gloeophyllum striatum or may be Trametes acuta on a dry fallen branch of a large Huisache tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 24, 2021
 Texture of hydnoid crust fungus Hymenochaetopsis olivacea (Hydnoporia olivacea) on a dry cypress elm(?) tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2020
 Texture of resupinate polypore mushroom Incrustoporia biguttulata (Skeletocutis biguttulata) on underside of a fallen Eastern red cedar tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
 Texture of hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 8, 2012
 Texture of soil after a period of rains in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 19, 2011
 Bark of black willow in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 8, 2012
 Peeling bark of dry hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 8, 2012
 Detail of hackberry bark in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 12, 2020
 Texture of brown Tomentella fungus on a hardwood log in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
 Texture of Hypomyces fungus covering some mushroom in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 4, 2020
 Texture of medallion lichen Dirinaria confusa on an oak in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 2, 2019
 Texture of some corticioid fungus on a hardwood log (may be elm or hackberry) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
 Peeling bark of dead hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 8, 2012
 Tiny liverwort on bark of hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2020
 Bark of hackberry (Celtis laevigata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
 Rough bark of black willow in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 8, 2012
 Dust lichen (Lepraria) on oak bark in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 8, 2019
 Lichen Lecanora louisianae(?) on bark in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Bark of hackberry (Celtis laevigata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 20, 2012
 Bark of osage orange near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
 Molting cicada on bark of a live oak in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 2, 2020
 Bark of dry hackberry (Celtis laevigata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
 Texture of a pad skeleton of prickly pear cactus (Opuntia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 17, 2022
 Dark brown texture of trumpet wine wood in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 8, 2019
 Texture of a pad skeleton of prickly pear cactus (Opuntia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2024
 Texture of fresh leaves of red buckeye (Aesculus pavia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2024
 Twisted bark of osage orange near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
 Warts on bark of hackberry (Celtis laevigata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
 Details of bark of osage orange near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
 Decomposing bark of dry hackberry (Celtis laevigata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
 Bark of Horse apple (osage orange) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 16, 2011
 Warty bark of hackberry (Celtis laevigata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2020
 Script lichen (Graphis) on bark of hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2020
 Lichen Dirinaria confusa(?) on bark of hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2020
 Detail of bark of dry hackberry (Celtis laevigata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
 Lactocollybia mushrooms on bark of osage orange in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2022
 Bark of dead hackberry (Celtis laevigata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
 Texture of Hyphodontia(?) fungus on a light-weight rotten branch in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 8, 2019
 Wing texture of Gulf fritillary (Agraulis vanillae) butterfly in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 6, 2009
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