 Pepper-spore lichen (Rinodina) on a tombstone in Old Independence Cemetery near Independence. Texas, February 10, 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
 Powdered shadow lichen (Phaeophyscia hirsuta) on a marble tomb in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Sunken button lichen (Buellia spuria) 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 apothecia on a marble tomb in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Green-blue rosette lichen (Physcia) on sandstone 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
 Firedot lichen Squamulea squamosa (Caloplaca squamosa) on a horizontal surface of a tomb in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Details of firedot lichen Squamulea squamosa (Caloplaca squamosa) on a horizontal surface of a tomb in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Firedot lichen Squamulea squamosa (Caloplaca squamosa) covering a horizontal surface of a tomb in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Lichens on a marble tomb in Boonville Cemetery. Bryan, Texas, December 8, 2018
 Fern and ivy leaves covered by lichens on a tomb in Boonville Cemetery. Bryan, Texas, December 8, 2018
 Crustose lichen, Rinodina or Lecanora, on a back surface of a grey marble tomstone in cemetery at Mission de Cristo Jesus Church at road 259 in Port Sullivan, west from Hearne. Texas, January 8, 2019
 Close up of Rinodina or Lecanora crustose lichen on a back surface of a grey marble tomstone in cemetery at Mission de Cristo Jesus Church at road 259 in Port Sullivan, west from Hearne. Texas, January 8, 2019
 Candleflame lichen Candelaria pacifica and another foliose lichen on a tomb in Boonville Cemetery. Bryan, Texas, December 8, 2018
 Pyxine lichen on sandstone in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Pyxine lichen on a marble tombstone in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Xanthoparmelia conspersa and Caloplaca lichens on a tomb in City Cemetery. Bryan, Texas, January 3, 2019
 Small rosettes of Pyxine lichen on marble in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Rosette lichen (Physcia) on an iron fence in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Rosette lichen (Physcia) on a granite tombstone in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Rosette lichen (Physcia) with apothecia on marble in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Rosette lichen (Physcia) on a fallen oak twig in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Small rosette of Pyxine lichen on an iron fence in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Pattern of rosette lichen (Physcia) on a granite tombstone in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Rosette lichen (Physcia) on an old dry cracked stump of a red cedar tree 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
 Rosette lichen (Physcia) with brown apothecia on a fallen oak branch 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
 Rosette lichen (Physcia) with dense brown apothecia on a fallen oak branch in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Detail of a tomb of a person who died in Boonville TX in 1875 in Boonville Cemetery. Bryan, Texas, December 8, 2009
 Tomb of Fordon Nfeoham(?) who died in Boonville TX in 1875 in Boonville Cemetery. Bryan, Texas, December 8, 2009
 Bare-bottomed sunburst lichen (Xanthomendoza weberi, Gallowayella weberi) and another foliose lichen on a tomb in Boonville Cemetery. Bryan, Texas, December 8, 2018
 Cracked ruffle lichen (Parmotrema reticulatum, Rimelia reticulata) on a marble tombstone in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Peppered rock-shield lichen (Xanthoparmelia conspersa) and firedot lichen Caloplaca on a tomb in City Cemetery. Bryan, Texas, January 3, 2019
 Bare-bottomed sunburst lichen (Xanthomendoza weberi, Gallowayella weberi) on old iron(?) in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Lichens on a granite tomb in City Cemetery. Bryan, Texas, January 17, 2023
 Sign of Stewart Iron Works Cincinnati, Ohio on a tomb fence in Boonville Cemetery. Bryan, Texas, January 5, 2011
 Some pale green crustose lichen on a marble tomb in Washington Cemetery. Washington, Texas, January 12, 2019
 Marble tombstone with golden lichen in Boonville Cemetery. Bryan, Texas, January 5, 2011
 Tomb in Boonville Cemetery. Bryan, Texas, December 8, 2009
 Caloplaca together with some grey lichen in City Cemetery. Bryan, Texas, March 3, 2019
 Marble ivy with tendrils of a tomb in Boonville Cemetery. Bryan, Texas, December 8, 2009
 Iron fence of a tomb in Boonville Cemetery. Bryan, Texas, December 8, 2009
 Some grey lichen on a granite tombstone in City Cemetery. Bryan, Texas, March 3, 2019
 Details of an iron fence of a tomb in Boonville Cemetery. Bryan, Texas, December 8, 2009
 Some grey lichen together with Caloplaca on a granite tombstone in City Cemetery. Bryan, Texas, March 3, 2019
 Tomb of Thomas B. Johnson (1840 - 1902) in Boonville Cemetery. Bryan, Texas, July 13, 2008
 Tomb of Lee Silver with long-legged spider in Boonville Cemetery. Bryan, Texas, December 8, 2009
 Rosette lichen (Physcia) on a tomb in City Cemetery. Bryan, Texas, March 3, 2019
 Physcia(?) lichen on a marble tomb 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
 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
 Rosette lichen (Physcia) with apothecia on a marble tomb 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
 Powdered shadow lichen (Phaeophyscia hirsuta) on a tomb in City Cemetery. Bryan, Texas, March 3, 2019
 Peppered rock-shield lichen (Xanthoparmelia conspersa) on a tomb in City Cemetery. Bryan, Texas, March 3, 2019
 Powdered shadow lichen (Phaeophyscia hirsuta) with apothecia on a marble tomb in City Cemetery. Bryan, Texas, March 3, 2019
 Pattern of peppered rock-shield lichen (Xanthoparmelia conspersa) on a granite tomb in City Cemetery. Bryan, Texas, March 3, 2019
 Apothecia of peppered rock-shield lichen (Xanthoparmelia conspersa) on a granite tomb in City Cemetery. Bryan, Texas, March 3, 2019
 Texture of peppered rock-shield lichen (Xanthoparmelia conspersa) on a granite tomb in City Cemetery. Bryan, Texas, March 3, 2019
 Green angel on a tomb in City Cemetery. Bryan, Texas, January 3, 2019
 Firedot lichen (Caloplaca) and peppered rock-shield (Xanthoparmelia conspersa) on a tomb in City Cemetery. Bryan, Texas, January 17, 2023
 Headless marble statue with lichens on a child s tomb in City Cemetery. Bryan, Texas, December 8, 2018
 Granite tomb with fluorescent crustose lichens in ultraviolet light in City Cemetery. Bryan, Texas, October 24, 2024
 Firedot lichen Squamulea squamosa (Caloplaca squamosa) on a marble tomb in City Cemetery. Bryan, Texas, March 3, 2019
 Sunburst lichen Xanthomendoza weberi (Gallowayella weberi) together with Physcia on a tomb in City Cemetery. Bryan, Texas, March 3, 2019
 Black-faced marble angel on a tomb of Astin in City Cemetery. Bryan, Texas, January 3, 2019
 Base of a tree in Boonville Cemetery. Bryan, Texas, January 5, 2011
 Bark of an oak tree in Boonville Cemetery. Bryan, Texas, January 5, 2011
 Old rotten tree in Boonville Cemetery. Bryan, Texas, January 5, 2011
 Oak tree bark in Boonville Cemetery. Bryan, Texas, January 5, 2011
 Sign on a marble tombstone in Boonville Cemetery. Bryan, Texas, January 5, 2011
 Bible on a marble tombstone in Boonville Cemetery. Bryan, Texas, January 5, 2011
 Grey lichen on clasping hands in City Cemetery. Bryan, Texas, December 30, 2012
 Sidewalk firedot lichen (Xanthocarpia feracissima, Caloplaca feracissima) on a marble rose in Boonville Cemetery. Bryan, Texas, December 8, 2018
 Bare-bottomed sunburst lichen (Xanthomendoza weberi, Gallowayella weberi) on a marble tree in Boonville Cemetery. Bryan, Texas, December 8, 2018
 Firedot lichen Caloplaca on a tomb in City Cemetery. Bryan, Texas, December 8, 2018
 Rock-shield lichen (Xanthoparmelia) on a tomb in City Cemetery. Bryan, Texas, December 8, 2018
 Smooth shadow-crust lichen (Hyperphyscia syncolla) and other lichens on lower branches of old acacia (huisache) between Signature Park 11 apartments and Oil Well near Park Hudson Trail. Bryan, Texas, January 27, 2019
 Angel with green lichens in City Cemetery. Bryan, Texas, January 27, 2020
 Green lichens on a marble angel in City Cemetery. Bryan, Texas, January 17, 2023
 Peppered rock-shield lichen (Xanthoparmelia conspersa) on a granite tomb in City Cemetery. Bryan, Texas, December 8, 2018
 Stellas of grey granite in City Cemetery. Bryan, Texas, January 17, 2023
 Powdery medallion lichen (Dirinaria applanata) on a tomb in cemetery at Mission de Cristo Jesus Church at road 259 in Port Sullivan, west from Hearne. Texas, January 8, 2019
 Frosted rosette lichen (Physcia biziana) on tomb in cemetery at Mission de Cristo Jesus Church at road 259 in Port Sullivan, west from Hearne. Texas, January 8, 2019
 Peppered rock-shield lichen (Xanthoparmelia conspersa) with millipeds on a granite tomb in City Cemetery. Bryan, Texas, December 8, 2018
 Sunken button lichen (Buellia spuria, ashy grey with black dots) and Aspicilia (grey) crustose lichens in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
 Family tomb in City Cemetery in fog. Bryan, Texas, January 6, 2013
 Blue tomb in Masonic Cemetery. Chappell Hill, Texas, March 17, 2019
 Family tomb of Astin in City Cemetery. Bryan, Texas, January 6, 2013
 Family tomb of Pitts in City Cemetery. Bryan, Texas, January 27, 2020
 Granite tomb of McCraw in City Cemetery. Bryan, Texas, January 17, 2023
 Mossy angel on a tomb in City Cemetery. Bryan, Texas, January 27, 2020
 Firedot lichen Caloplaca on a tomb of W. S. Minkert 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
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