 A tomb of a small cemetery, near Richards. Texas, June 16, 2007
 Tombs of a small cemetery, near Richards. Texas, June 16, 2007
 Tombstone of Necropolis of Alexander Nevsky Lavra (Lazarevskoe Cemetery). Saint Petersburg, Russia, August 22, 2007
 Tombstone of Aleksey Feodorovich Ivanov-Klassik in Literatorskiye Mostki section of Volkovo Cemetery. Saint Petersburg, Russia, September 4, 2007
 Muslim tombstone in a cemetery near Mamillah Pool. Jerusalem, the Middle East, June 17, 2001
 Anchor and guns on a tombstone in Novodevichye Cemetery at Moskovskiy Prospekt. Saint Petersburg, Russia, June 26, 2010
 Bible on a tombstone in Boonville Cemetery. Bryan, Texas, December 17, 2010
 Tombstone texture in Boonville Cemetery. Bryan, Texas, December 17, 2010
 Flowers on a tombstone in Masonic Cemetery. Chappell Hill, Texas, May 6, 2012
 Handshake on a tombstone in City Cemetery. Bryan, Texas, January 6, 2013
 Old marble tombstone in Odd Fellow Cemetery. Anderson, Texas, December 31, 2009
 Lichens on a granite tombstone in City Cemetery. Bryan, Texas, December 15, 2012
 Bible on a marble tombstone in Boonville Cemetery. Bryan, Texas, January 5, 2011
 Tombstone near a cypress tree in City Cemetery. Bryan, Texas, August 4, 2013
 Petrified wood tombstone in City Cemetery. Bryan, Texas, December 30, 2012
 Sign on a marble tombstone in Boonville Cemetery. Bryan, Texas, January 5, 2011
 A marble tombstone in Saint Louis Cemetery No. 2. New Orleans, Louisiana, February 11, 2006
 A tombstone of Crmillsap (4/15/1900-1/29/53) in Holt Cemetery. New Orleans, Louisiana, April 17, 2005.
 Tombstone of A. P. Melnikov in Volkovo Cemetery. Saint Petersburg, Russia, July 13, 2016
 Overgrown tombstone in Volkovo Cemetery. Saint Petersburg, Russia, July 13, 2016
 Confederate flag and a rifle on a tombstone in Odd Fellow Cemetery. Anderson, Texas, December 31, 2018
 Texture of a marble tombstone at sunrise in Boonville Cemetery. Bryan, Texas, November 14, 2012
 Some grey lichen on a granite tombstone in City Cemetery. Bryan, Texas, March 3, 2019
 Marble tombstone with golden lichen in Boonville Cemetery. Bryan, Texas, January 5, 2011
 Pyxine lichen on a marble tombstone in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Mysterious tombstone marked by letters "S J" in City Cemetery. Bryan, Texas, December 15, 2012
 Calla flowers on a marble tombstone in City Cemetery. Bryan, Texas, December 30, 2012
 Broken plaster on a tombstone in Saint Louis Cemetery No. 2. New Orleans, Louisiana, February 11, 2006
 Rosette lichen (Physcia) on a granite tombstone in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Button lichen (Buellia) on a granite tombstone in Odd Fellow Cemetery. Anderson, Texas, December 31, 2018
 Some grey lichen together with Caloplaca on a granite tombstone in City Cemetery. Bryan, Texas, March 3, 2019
 A tombstone in Nikolskoe Cemetery of Alexander Nevsky Lavra. Saint Petersburg, Russia, August 9, 2004
 Tombstone decorated by electric fuses(?) in Volkovo Cemetery. Saint Petersburg, Russia, July 13, 2016
 Rock-shield lichen (Xanthoparmelia) on a granite tombstone in City Cemetery. Bryan, Texas, December 8, 2018
 Tombstone of Asa Chaddick (9/2/1815 - 6/12/1898) in Old Oakland Cemetery at Road 219. Roans Prairie, Texas, January 26, 2008
 Some grey lichen with black apothecia on a granite tombstone in City Cemetery. Bryan, Texas, March 3, 2019
 Pattern of rosette lichen (Physcia) on a granite tombstone in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Tombstone of Sela Josephine Rogers (1850 - 1868) in Odd Fellow Cemetery. Anderson, Texas, January 18, 2009
 Powdery medallion lichen (Dirinaria applanata) on low tombstone in Odd Fellow Cemetery. Anderson, Texas, December 31, 2018
 Marble tombstone shaped as a tree trunk in Bryant Station Cemetery near Buckholts. Texas, December 1, 2012
 Tombstone made from petrified tree trunk at Rice Cemetery at Road 241 near Cameron. Texas, December 1, 2012
 Marble tombstone in Necropolis of Alexander Nevsky Lavra (Lazarevskoe Cemetery). Saint Petersburg, Russia, May 29, 2014
 Tombstone fragments in Smolenskoe Lutheran Cemetery on Dekabristov Island. Saint Petersburg, Russia, October 28, 2016
 Tombstone of Ya. A. Andronnikov in Smolenskoe Lutheran Cemetery on Dekabristov Island. Saint Petersburg, Russia, October 28, 2016
 Tombstone fragments in Smolenskoe Lutheran Cemetery on Dekabristov Island. Saint Petersburg, Russia, August 12, 2024
 Tombstone of A. K. and E. K. Shubbe in Smolenskoe Lutheran Cemetery on Dekabristov Island. Saint Petersburg, Russia, October 28, 2016
 Unmarked tombstone in Smolenskoe Lutheran Cemetery on Dekabristov Island. Saint Petersburg, Russia, October 28, 2016
 A tombstone in Necropolis of Alexander Nevsky Lavra (Lazarevskoe Cemetery). Saint Petersburg, Russia, August 9, 2004
 Iron tombstone in Smolenskoe Lutheran Cemetery on Dekabristov Island. Saint Petersburg, Russia, October 28, 2016
 Fluorescent crustose lichens on a flat tombstone in ultraviolet light in City Cemetery. Bryan, Texas, October 24, 2024
 Close up of some grey lichen with black apothecia on a granite tombstone in City Cemetery. Bryan, Texas, March 3, 2019
 Texture of powdered shadow lichen (Phaeophyscia hirsuta) on a tombstone in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Fluorescent lichens growing on a flat tombstone in ultraviolet light in City Cemetery. Bryan, Texas, October 24, 2024
 Handshake symbol on a tombstone both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Odd Fellow Cemetery. Anderson, Texas, November 9, 2024
 Powdered shadow lichen (Phaeophyscia hirsuta) on a tombstone in a city cemetery. College Station, Texas, February 19, 2020
 Rosette lichen (Physcia) on back of a grey marble tombstone in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Close up of powdered shadow lichen (Phaeophyscia hirsuta) on a tombstone in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Handshake symbol with orange and green lichens on a marble tombstone in City Cemetery. Bryan, Texas, December 8, 2018
 Weathered paint on a tombstone in Lutheran Cemetery on Citadel Road in Kronstadt. Saint Petersburg, Russia, July 4, 2010
 Flat tombstone on Voznesenskaya Lane in Smolenskoe Cemetery of Vasilievsliy Island. Saint Petersburg, Russia, October 27, 2016
 A marble tombstone in Necropolis of Alexander Nevsky Lavra (Lazarevskoe Cemetery). Saint Petersburg, Russia, August 9, 2004
 A broken tombstone of Buck Settlement Cemetery, near Templar Road west from Watkins Glen. New York, November 5, 2005
 Tombstone of Molly Spelje in Smolenskoe Lutheran Cemetery on Dekabristov Island. Saint Petersburg, Russia, October 28, 2016
 A statue on a tombstone in Necropolis of Alexander Nevsky Lavra (Lazarevskoe Cemetery). Saint Petersburg, Russia, August 9, 2004
 A head embossed on a tombstone in Literatorskie Mostki section of Volkovo Cemetery. Saint Petersburg, Russia, July 13, 2016
 Tombstone fragments on Alekseevskaya Lane in Smolenskoe Cemetery of Vasilievsliy Island. Saint Petersburg, Russia, October 27, 2016
 Powdered shadow lichen (Phaeophyscia hirsuta) on a marble tombstone in a city cemetery. College Station, Texas, February 6, 2019
 Peppered rock-shield lichen (Xanthoparmelia conspersa) on a granite tombstone in City Cemetery. Bryan, Texas, March 3, 2019
 Pattern of rosette lichen (Physcia) on back of a grey marble tombstone in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Masonic compass symbol on a tombstone both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Odd Fellow Cemetery. Anderson, Texas, November 9, 2024
 Rock shield lichen (Xanthoparmelia) on a granite tombstone in old Port Sullivan cemetery, west from Hearne. Texas, January 8, 2019
 Colored glass mosaic on a tombstone in Literatorskie Mostki section of Volkovo Cemetery. Saint Petersburg, Russia, July 13, 2016
 A tombstone of A. M. Beloselsky-Belozersky in Necropolis of Alexander Nevsky Lavra (Lazarevskoe Cemetery). Saint Petersburg, Russia, August 9, 2004
 Bronze head on a tombstone of an actor in Literatorskie Mostki section of Volkovo Cemetery. Saint Petersburg, Russia, July 13, 2016
 Powdery medallion lichen (Dirinaria applanata)(?) on a tombstone made from petrified wood in Odd Fellow Cemetery. Anderson, Texas, December 31, 2018
 Crustose lichens of a rough surface of a tombstone both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Odd Fellow Cemetery. Anderson, Texas, November 9, 2024
 Marble tombstone of Hill(?) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight in City Cemetery. Bryan, Texas, October 24, 2024
 Marble tombstone of Duntain (1853-1921) both in natural light and under 365 nm ultraviolet (UV-A) blacklight in City Cemetery. Bryan, Texas, October 24, 2024
 Close up of rock shield lichen (Xanthoparmelia) on a granite tombstone in old Port Sullivan cemetery, west from Hearne. Texas, January 8, 2019
 Speckled lichens on a back of a granite tombstone both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Odd Fellow Cemetery. Anderson, Texas, November 9, 2024
 Cracked ruffle lichen (Parmotrema reticulatum, Rimelia reticulata) on a marble tombstone in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Bronze head supporting tombstone in Necropolis of Alexander Nevsky Lavra (Tikhvin Cemetery). Saint Petersburg, Russia, January 2, 2015
 Mysterious tombstone marked by letters "D C N" of Buck Settlement Cemetery, near Templar Road west from Watkins Glen. New York, November 5, 2005
 Handshake symbol on a marble tombstone when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight in City Cemetery. Bryan, Texas, October 24, 2024
 Tombstone of Henry Hardmon (died 7/18/1892) in negro section of Oak Hill Cemetery in Camp Swift north from Bastrop. Texas, September 15, 2012
 Marble tombstone of Mary Koppe when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight in City Cemetery. Bryan, Texas, October 24, 2024
 Detail of a marble tombstone in Calvert Cemetery. Calvert, Texas, December 13, 2009
 Marble tombstone in Washington Cemetery. Washington, Texas, January 26, 2013
 Button lichen (Buellia) on a tombstone in Old Independence Cemetery near Independence. Texas, February 10, 2019
 Rosette lichen (Physcia) on a tombstone in Old Independence Cemetery near Independence. Texas, February 10, 2019
 Pepper-spore lichen (Rinodina) on a tombstone in Old Independence Cemetery near Independence. Texas, February 10, 2019
 Buttoned rosette lichen (Pyxine) on a tombstone in Old Independence Cemetery near Independence. Texas, February 10, 2019
 Tombstone of Calvert Cemetery. Calvert, Texas, October 30, 2010
 A marble tombstone of A. N. Esipova (1851 - 1914) in Necropolis (Tikhvin Cemetery) of Alexander Nevsky Lavra. Saint Petersburg, Russia, August 9, 2004
 Side view of a bronze head on a tombstone of an actor in Literatorskie Mostki section of Volkovo Cemetery. Saint Petersburg, Russia, July 13, 2016
 Flat tombstone overgrown by crustose lichens when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight in Odd Fellow Cemetery. Anderson, Texas, November 9, 2024
 Various crustose lichens on back of a granite tombstone when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight in Odd Fellow Cemetery. Anderson, Texas, November 9, 2024
 Caloplaca and Xanthoparmelia lichens on a granite tombstone when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight in City Cemetery. Bryan, Texas, October 24, 2024
 Carved Holy Bible on a marble tombstone when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight in Odd Fellow Cemetery. Anderson, Texas, November 9, 2024
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