 Iron fence of a tomb in Boonville Cemetery. Bryan, Texas, December 8, 2009
 Details of an iron fence of a tomb in Boonville Cemetery. Bryan, Texas, December 8, 2009
 Sign on a marble tombstone in Boonville Cemetery. Bryan, Texas, January 5, 2011
 Rosette lichen (Physcia) on an iron fence 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
 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
 Sunken button lichen (Buellia spuria) on a marble tomb 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
 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
 Base of a 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
 Bark of an oak tree in Boonville Cemetery. Bryan, Texas, January 5, 2011
 Pepper-spore lichen (Rinodina) (pale blue-grey) between other lichens on an old 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
 Bible on a marble tombstone in Boonville Cemetery. Bryan, Texas, January 5, 2011
 Iron knob with lichens of a cast iron fence of a tomb both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Odd Fellow Cemetery. Anderson, Texas, November 9, 2024
 Iron stand with lichens of a cast iron tomb fence both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Odd Fellow Cemetery. Anderson, Texas, November 9, 2024
 Marble tombstone with golden lichen in Boonville Cemetery. Bryan, Texas, January 5, 2011
 Iron cedar tree with lichens of a cast iron tomb fence both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Odd Fellow Cemetery. Anderson, Texas, November 9, 2024
 Iron decoration with lichens of a cast iron tomb fence 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
 Bare-bottomed sunburst lichen (Xanthomendoza weberi, Gallowayella weberi) on old iron(?) in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Tomb in Boonville Cemetery. Bryan, Texas, December 8, 2009
 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
 Marble ivy with tendrils of a tomb in Boonville Cemetery. Bryan, Texas, December 8, 2009
 Lichens on a marble tomb in Boonville Cemetery. Bryan, Texas, December 8, 2018
 Heraldic sign on a tomb of Alfred Clarence Wren (1851 - 1883) in City Cemetery. Bryan, Texas, December 30, 2012
 Cast iron fence of a tomb in Odd Fellow Cemetery. Anderson, Texas, December 31, 2009
 Tomb of Thomas B. Johnson (1840 - 1902) in Boonville Cemetery. Bryan, Texas, July 13, 2008
 Fern and ivy leaves covered by lichens on a tomb in Boonville Cemetery. Bryan, Texas, December 8, 2018
 Tomb of Lee Silver with long-legged spider in Boonville Cemetery. Bryan, Texas, December 8, 2009
 Boonville Cemetery. Bryan, Texas, November 16, 2011
 Tombs of Boonville Cemetery. Bryan, Texas, November 16, 2011
 A large tree enveloping an iron tomb fence in Smolenskoe Lutheran Cemetery on Dekabristov Island. Saint Petersburg, Russia, August 12, 2024
 Candleflame lichen Candelaria pacifica and another foliose lichen on a tomb in Boonville Cemetery. Bryan, Texas, December 8, 2018
 Fluorescent lichens on a cast iron fence of a tomb 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
 Cypress branch with lichens of a cast iron fence of a tomb 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
 Pyxine lichen on sandstone in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Iron fence in Greenwood Cemetery. New Orleans, Louisiana, January 9, 2007
 Pyxine lichen on a marble tombstone in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Bare-bottomed sunburst lichen (Xanthomendoza weberi, Gallowayella weberi) and another foliose lichen on a tomb in Boonville Cemetery. Bryan, Texas, December 8, 2018
 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
 Small rosettes of Pyxine lichen 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
 Pattern of rosette lichen (Physcia) on a granite tombstone in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Green-blue rosette lichen (Physcia) on sandstone 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
 Texture of powdered shadow lichen (Phaeophyscia hirsuta) on a 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
 Powdered shadow lichen (Phaeophyscia hirsuta) with apothecia on marble 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
 Rosette lichen (Physcia) on back of a grey marble tombstone 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
 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
 Family tomb in City Cemetery in fog. Bryan, Texas, January 6, 2013
 Cast-iron tomb of Leeds family in Cypress Grove Cemetery. New Orleans, Louisiana, January 11, 2007
 Granite tomb of McCraw in City Cemetery. Bryan, Texas, January 17, 2023
 Family tomb of Astin in City Cemetery. Bryan, Texas, January 6, 2013
 Mossy angel on a tomb in City Cemetery. Bryan, Texas, January 27, 2020
 Green angel on a tomb in City Cemetery. Bryan, Texas, January 3, 2019
 Lichens on a granite tomb in City Cemetery. Bryan, Texas, January 17, 2023
 Family tomb of Pitts in City Cemetery. Bryan, Texas, January 27, 2020
 Clasped hands sign in City Cemetery. Bryan, Texas, December 30, 2012
 Mossy marble angel on a tomb in City Cemetery. Bryan, Texas, January 17, 2023
 Boonville Cemetery in fog. Bryan, Texas, November 29, 2012
 Xanthoparmelia conspersa and Caloplaca lichens on a tomb in City Cemetery. Bryan, Texas, January 3, 2019
 Tall tomb of N. B. Cole (08/19/1848-04/15/1907) in City Cemetery. Bryan, Texas, January 17, 2023
 Oaks of Boonville Cemetery in fog. Bryan, Texas, November 29, 2012
 Tombs in Boonville Cemetery. Bryan, Texas, December 8, 2009
 Tombs of Boonville Cemetery in fog. Bryan, Texas, November 29, 2012
 Tombstones in Boonville Cemetery. Bryan, Texas, December 17, 2010
 Trees in Boonville Cemetery in fog. Bryan, Texas, November 13, 2008
 Oaks in Boonville Cemetery in fog. Bryan, Texas, November 13, 2008
 Compact tomb of Eliza Woods (died 08/28/1908) in City Cemetery. Bryan, Texas, January 17, 2023
 Black-faced marble angel on a tomb of Astin in City Cemetery. Bryan, Texas, January 3, 2019
 Tombs and trees of Boonville Cemetery in fog. Bryan, Texas, November 13, 2008
 Bible on a tombstone in Boonville Cemetery. Bryan, Texas, December 17, 2010
 Cedar trunk in Boonville Cemetery. Bryan, Texas, November 14, 2012
 Tombs of M. C. and L. E. Steed in Boonville Cemetery. Bryan, Texas, December 8, 2009
 Rotten tree in Boonville Cemetery. Bryan, Texas, December 17, 2010
 Dead oak tree No. 6 in Boonville Cemetery. Bryan, Texas, November 14, 2012
 Bark of an oak tree in Boonville Cemetery. Bryan, Texas, November 14, 2012
 Split oak bark in Boonville Cemetery. Bryan, Texas, November 14, 2012
 Tombstone texture in Boonville Cemetery. Bryan, Texas, December 17, 2010
 Base of a tree in Boonville Cemetery. Bryan, Texas, December 17, 2010
 Headstone texture in Boonville Cemetery. Bryan, Texas, December 17, 2010
 Dead cedar tree in Boonville Cemetery. Bryan, Texas, November 14, 2012
 Cedar tree trunk in Boonville Cemetery. Bryan, Texas, November 14, 2012
 Skull shaped oak gnarl in Boonville Cemetery. Bryan, Texas, November 14, 2012
 Base of a cedar trunk in Boonville Cemetery. Bryan, Texas, November 14, 2012
 Gnarl on cedar trunk in Boonville Cemetery. Bryan, Texas, November 14, 2012
 Cedar trunk joints in Boonville Cemetery. Bryan, Texas, November 14, 2012
 Bark of cedar tree in Boonville Cemetery. Bryan, Texas, December 17, 2010
|