 Powdered shadow lichen (Phaeophyscia hirsuta) on a tombstone in a city cemetery. College Station, Texas, February 19, 2020
 Powdered shadow lichen (Phaeophyscia hirsuta) in a city cemetery. College Station, Texas, February 6, 2019
 Powdered shadow lichen (Phaeophyscia hirsuta) with apothecia on a marble tomb in City Cemetery. Bryan, Texas, March 3, 2019
 Powdered shadow lichen (Phaeophyscia hirsuta) on marble in Ebenezer Cemetery near Huntsville, Texas, February 17, 2019
 Close up of powdered shadow lichen (Phaeophyscia hirsuta) on a tombstone in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Texture of powdered shadow lichen (Phaeophyscia hirsuta) on a tombstone in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Powdered shadow lichen (Phaeophyscia hirsuta) with apothecia on marble in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Powdered shadow lichen (Phaeophyscia hirsuta) on a marble tomb in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Powdered shadow lichen (Phaeophyscia hirsuta) with apothecia on a marble tomb in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Pattern of powdered shadow lichen (Phaeophyscia hirsuta) on a marble tomb in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Powdered shadow lichen (Phaeophyscia hirsuta) with thorny apothecia on a marble tomb in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Powdered shadow lichen (Phaeophyscia hirsuta) on a tomb in City Cemetery. Bryan, Texas, March 3, 2019
 Powdered shadow lichen (Phaeophyscia hirsuta)(?) with soredia in City Cemetery. Bryan, Texas, March 3, 2019
 Powdered shadow lichen (Phaeophyscia hirsuta) and splitgill mushrooms on acacia (huisache) tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Pyxine lichen on a marble tombstone in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Rosette lichen (Physcia) on back of a grey marble tombstone in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Pattern of rosette lichen (Physcia) on back of a grey marble tombstone in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Cracked ruffle lichen (Parmotrema reticulatum, Rimelia reticulata) on a marble tombstone in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Some grey lichen on a granite tombstone in City Cemetery. Bryan, Texas, March 3, 2019
 Some grey lichen together with Caloplaca on a granite tombstone in City Cemetery. Bryan, Texas, March 3, 2019
 Some grey lichen with black apothecia on a granite tombstone in City Cemetery. Bryan, Texas, March 3, 2019
 Physcia(?) lichen on a marble tomb in City Cemetery. Bryan, Texas, March 3, 2019
 Close up of some grey lichen with black apothecia on a granite tombstone in City Cemetery. Bryan, Texas, March 3, 2019
 Rosette lichen (Physcia) on a marble tomb in City Cemetery. Bryan, Texas, March 3, 2019
 Calla flowers on a marble tombstone in City Cemetery. Bryan, Texas, December 30, 2012
 Marble tombstone with golden lichen in Boonville Cemetery. Bryan, Texas, January 5, 2011
 Peppered rock-shield lichen (Xanthoparmelia conspersa) on a granite tombstone in City Cemetery. Bryan, Texas, March 3, 2019
 Close up of rosette lichen (Physcia) on a marble tomb in City Cemetery. Bryan, Texas, March 3, 2019
 Rosette lichen Physcia dimidiata(?) on a marble angel in City Cemetery. Bryan, Texas, March 3, 2019
 Rosette lichen Physcia dimidiata(?) on a leg of a marble angel in City Cemetery. Bryan, Texas, March 3, 2019
 Rosette lichen (Physcia) with apothecia on a marble tomb in City Cemetery. Bryan, Texas, March 3, 2019
 Handshake symbol with orange and green lichens on a marble tombstone in City Cemetery. Bryan, Texas, December 8, 2018
 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
 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
 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
 Sunburst lichen Xanthomendoza weberi (Gallowayella weberi) and some powdery red lichen on a marble tomb in Ebenezer Cemetery near Huntsville, Texas, February 17, 2019
 Firedot lichen Squamulea squamosa (Caloplaca squamosa) on a marble tomb in City Cemetery. Bryan, Texas, March 3, 2019
 A marble tombstone in Saint Louis Cemetery No. 2. New Orleans, Louisiana, February 11, 2006
 Some rusty red powdery lichen on marble surface in Ebenezer Cemetery near Huntsville, Texas, February 17, 2019
 Powdered ruffle lichen (Parmotrema hypotropum) on a fallen oak twig in Lick Creek Park. College Station, Texas, February 3, 2019
 Lichen Phaeophyscia kairamoi on an iron sculpture in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, February 12, 2019
 Rosette lichen Physcia dimidiata(?) on a marble tomb in Ebenezer Cemetery near Huntsville, Texas, February 17, 2019
 Lichen Phaeophyscia kairamoi in wet condition on an iron sculpture in abandoned TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, February 22, 2019
 Lichen Phaeophyscia kairamoi on a petrified wood stump on the university golf course at crossing of Texas Avenue and New Main Drive. College Station, Texas, February 26, 2019
 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
 Buttoned rosette lichen (Pyxine) with soredia on a tombstone in Old Independence Cemetery near Independence. Texas, February 10, 2019
 Greenish buttoned rosette lichen (Pyxine) on a tombstone in Old Independence Cemetery near Independence. Texas, February 10, 2019
 Spotted rosette lichen (Physcia pumilior(?)) on a tombstone in Old Independence Cemetery near Independence. Texas, February 10, 2019
 Rosy saucer lichen (Ochrolechia trochophora) on a tombstone in Old Independence Cemetery near Independence. Texas, February 10, 2019
 Greenish buttoned rosette lichen (Pyxine) with soredia on a tombstone in Old Independence Cemetery near Independence. Texas, February 10, 2019
 Rosy saucer lichen (Ochrolechia trochophora) with apothecia on a tombstone in Old Independence Cemetery near Independence. Texas, February 10, 2019
 Perforated ruffle lichen (Parmotrema perforatum) on a granite tombstone in Old Independence Cemetery near Independence. Texas, February 10, 2019
 Peppered rock-shield lichen (Xanthoparmelia conspersa) on a tombstone in Old Independence Cemetery near Independence. Texas, February 10, 2019
 Brown apothecia of spotted rosette lichen (Physcia pumilior(?)) on a tombstone in Old Independence Cemetery near Independence. Texas, February 10, 2019
 Rosy saucer lichen (Ochrolechia trochophora) on upper edge of an old tombstone in Old Independence Cemetery near Independence. Texas, February 10, 2019
 Spotted rosette lichen (Physcia pumilior(?)) with brown apothecia on a tombstone in Old Independence Cemetery near Independence. Texas, February 10, 2019
 Peppered rock-shield lichen (Xanthoparmelia conspersa) on a granite tombstone in Old Independence Cemetery near Independence. Texas, February 10, 2019
 Rock-shield lichen (Xanthoparmelia) on a granite tombstone in City Cemetery. Bryan, Texas, December 8, 2018
 Smooth shadow-crust lichen (Hyperphyscia syncolla) on a huisache(?) tree in abandoned TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, February 22, 2019
 Olive rosette of smooth shadow-crust lichen (Hyperphyscia syncolla) on a huisache(?) tree in abandoned TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, February 22, 2019
 Marble tombstone shaped as a tree trunk in Bryant Station Cemetery near Buckholts. Texas, December 1, 2012
 Tombstone of Herne(?) with firedot lichen Caloplaca 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
 Lichen Phaeophyscia kairamoi(?) on concrete remains near the columns in Old Bailor park. Independence, Texas, February 27, 2019
 Rosette lichen (Physcia) on a granite tombstone in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Firedot lichen Caloplaca on a granite tombstone of Herne 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
 Pattern of rosette lichen (Physcia) on a granite tombstone in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Old marble tombstone in Odd Fellow Cemetery. Anderson, Texas, December 31, 2009
 Bible on a marble tombstone in Boonville Cemetery. Bryan, Texas, January 5, 2011
 Sign on a marble tombstone in Boonville Cemetery. Bryan, Texas, January 5, 2011
 Rosette lichen (Physcia) with apothecia on marble in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Small rosettes of Pyxine lichen on marble in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Rock shield lichen (Xanthoparmelia) on a granite tombstone in old Port Sullivan cemetery, west from Hearne. Texas, January 8, 2019
 Texture of a marble tombstone at sunrise in Boonville Cemetery. Bryan, Texas, November 14, 2012
 Black-faced marble angel on a tomb of Astin in City Cemetery. Bryan, Texas, January 3, 2019
 Close up of rock shield lichen (Xanthoparmelia) on a granite tombstone in old Port Sullivan cemetery, west from Hearne. Texas, January 8, 2019
 Sunken button lichen (Buellia spuria) on a marble tomb in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Green patch of smooth shadow-crust lichen (Hyperphyscia syncolla) in Antique Rose Emporium. Independence, Texas, February 27, 2019
 Grainy shadow-crust lichen (Hyperphyscia adglutinata) (olive), bare-bottomed sunburst lichen (Xanthomendoza weberi, Gallowayella weberi) (golden) and some greenish grey lichen on a massive cast iron fence in Odd Fellow Cemetery. Anderson, Texas, December 31, 2018
 Marble tombstone in Necropolis of Alexander Nevsky Lavra (Lazarevskoe Cemetery). Saint Petersburg, Russia, May 29, 2014
 Phaeophyscia lichen on a drying bush of huisache in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 27, 2019
 Green patch of Phaeophyscia lichen on an almost dry bush of huisache in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 27, 2019
 Phaeophyscia lichen on a large huisache (acacia) tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 2, 2019
 A marble tombstone in Necropolis of Alexander Nevsky Lavra (Lazarevskoe Cemetery). Saint Petersburg, Russia, August 9, 2004
 Close up of Phaeophyscia lichen on a large huisache (acacia) tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 2, 2019
 Peppered rock-shield lichen (Xanthoparmelia conspersa) and firedot lichen Caloplaca on a tomb in City Cemetery. Bryan, Texas, January 3, 2019
 Powdery medallion lichen (Dirinaria applanata) on a tombstone in cemetery at Mission de Cristo Jesus Church at road 259 in Port Sullivan, west from Hearne. Texas, January 8, 2019
 Smooth shadow-crust lichen (Hyperphyscia syncolla) and other lichens on Mexican buckeye (Ungnadia speciosa) in Antique Rose Emporium. Independence, Texas, February 27, 2019
 Smooth shadow-crust lichen (Hyperphyscia syncolla) on bark of Mexican buckeye (Ungnadia speciosa) in Antique Rose Emporium. Independence, Texas, February 27, 2019
 Some pale green crustose lichen on a marble tomb in Washington Cemetery. Washington, Texas, January 12, 2019
 Smooth shadow-crust lichen (Hyperphyscia syncolla) with brown apothecia on Mexican buckeye (Ungnadia speciosa) in Antique Rose Emporium. Independence, Texas, February 27, 2019
 Detail of a marble tombstone in Calvert Cemetery. Calvert, Texas, December 13, 2009
 Marble tombstone in Washington Cemetery. Washington, Texas, January 26, 2013
 A marble tombstone of A. N. Esipova (1851 - 1914) in Necropolis (Tikhvin Cemetery) of Alexander Nevsky Lavra. Saint Petersburg, Russia, August 9, 2004
 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
 Olive green patch of smooth shadow-crust lichen (Hyperphyscia syncolla) and other lichens on Mexican buckeye (Ungnadia speciosa) in Antique Rose Emporium. Independence, Texas, February 27, 2019
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