 Fluorescent crustose lichens on a flat tombstone in ultraviolet light in City Cemetery. Bryan, Texas, October 24, 2024
 Fluorescent lichens growing on a flat tombstone in ultraviolet light in City Cemetery. Bryan, Texas, October 24, 2024
 Tomb of Gullied with crustose lichens both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Odd Fellow Cemetery. Anderson, Texas, November 9, 2024
 Granite tomb of Moor(?) with 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
 Granite tomb of Campbell with lichens both in natural light and under 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
 Round patches of crustose lichen with bright orange fluorescence on a granite tomb both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Odd Fellow Cemetery. Anderson, Texas, November 9, 2024
 Lichens on a granite tomb in City Cemetery. Bryan, Texas, January 17, 2023
 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
 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
 Various crustose lichens on a flat surface of a romb both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Odd Fellow Cemetery. Anderson, Texas, November 9, 2024
 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
 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
 Crustose lichen with bright orange fluorescence on a granite 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
 Tomb of M. Derde 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 angel over a tomb 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
 Tomb of William 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
 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
 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
 Marble tomb of Belle (1809-1893) 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
 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
 Blue and orange fluorescent lichens on bark of hackberry in ultraviolet light in Lemontree Park. College Station, Texas, November 5, 2024
 Crustose lichens on a wooden bench in ultraviolet light in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, October 11, 2024
 Wood of a bench with crustose lichens in ultraviolet light in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, October 11, 2024
 Close-up of blue and orange fluorescent lichens on bark of hackberry in ultraviolet light in Lemontree Park. College Station, Texas, November 5, 2024
 Wooden bars of a bench with crustose lichens both in natural light and under 365 nm ultraviolet (UV-A) blacklight in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, October 11, 2024
 Various crustose lichens on a weatered wooden bench both in natural light and under 365 nm ultraviolet (UV-A) blacklight in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, October 11, 2024
 Colors of crustose lichens on a weatered wooden bench both in natural light and under 365 nm ultraviolet (UV-A) blacklight in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, October 11, 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
 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 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
 Sidewalk firedot lichen (Xanthocarpia feracissima, Caloplaca feracissima) on a granite tomb both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Odd Fellow Cemetery. Anderson, Texas, November 9, 2024
 Crustose lichens in ultraviolet light on bark of a hackberry in Lemontree Park. College Station, Texas, August 22, 2024
 Crustose lichens on bark of hackberry in ultraviolet light in Lemontree Park. College Station, Texas, November 5, 2024
 Lichens on a granite tombstone in City Cemetery. Bryan, Texas, December 15, 2012
 Crustose lichens on an iron bridge in ultraviolet light in Lick Creek Park. College Station, Texas, August 27, 2024
 Rough bark of a live oak with crustose lichens in ultraviolet light in Thomas Park. College Station, Texas, August 21, 2024
 Granite tomb of McCraw in City Cemetery. Bryan, Texas, January 17, 2023
 Sidewalk firedot (Xanthocarpia feracissima) with other crustose lichens in ultraviolet light on a concrete path in Lemontree Park. College Station, Texas, August 22, 2024
 Crustose lichens in ultraviolet light on a small mesquite tree on Post Oak Trail in Lick Creek Park. College Station, Texas, August 23, 2024
 Crustose lichens on bark of a fallen water oak in ultraviolet light on Racoon Run Trail in Lick Creek Park. College Station, Texas, November 15, 2024
 Close-up of crustose lichens in ultraviolet light on a small mesquite tree on Post Oak Trail in Lick Creek Park. College Station, Texas, August 23, 2024
 Texture of sidewalk firedot (Xanthocarpia feracissima) with other crustose lichens in ultraviolet light on a concrete path in Lemontree Park. College Station, Texas, August 22, 2024
 Close-up of crustose lichens with apothecia in ultraviolet light on a small mesquite tree on Post Oak Trail in Lick Creek Park. College Station, Texas, August 23, 2024
 Xanthoparmelia conspersa and Caloplaca lichens on a tomb in City Cemetery. Bryan, Texas, January 3, 2019
 Headless marble statue with lichens on a child s tomb in City Cemetery. Bryan, Texas, December 8, 2018
 Stown bowl with 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
 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
 Peppered rock-shield lichen (Xanthoparmelia conspersa) on a granite tomb in City Cemetery. Bryan, Texas, December 8, 2018
 Peppered rock-shield lichen (Xanthoparmelia conspersa) with millipeds on a granite tomb in City Cemetery. Bryan, Texas, December 8, 2018
 Texture 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
 Pattern of peppered rock-shield lichen (Xanthoparmelia conspersa) on a granite tomb in City Cemetery. Bryan, Texas, March 3, 2019
 Crustose lichens on a tombstone of S. Shanna when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight in Calvert Cemetery. Calvert, Texas, November 3, 2024
 Top of a marble stella 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
 Trunk of a red cedar tree 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 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
 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
 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
 Compact tomb of Neil both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Odd Fellow Cemetery. Anderson, Texas, November 9, 2024
 Decorations of a children s tomb both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Odd Fellow Cemetery. Anderson, Texas, November 9, 2024
 Various crustose lichens on a granite shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Paper flowers and scarecrows in front of a granite 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
 Marble tomb of George Pennington both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Odd Fellow Cemetery. Anderson, Texas, November 9, 2024
 Marble tomb of George Moore both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Odd Fellow Cemetery. Anderson, Texas, November 9, 2024
 Handshake symbol on a marble tomb of W. Jeter both in natural light and under 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
 Wooden bar of a bench with crustose lichens when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, October 11, 2024
 Crustose lichens on bark of a small honey mesquite tree when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight in Lick Creek Park. College Station, Texas, October 25, 2024
 Freemason s carved symbol with greenish lichens on a tombstone both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Calvert Cemetery. Calvert, Texas, November 3, 2024
 Sample of a mineral syenite rock rich with fluorescent sodalite (Yooperlite) glowing under ultraviolet light. College Station, Texas, February 29, 2024
 Two pebbles of a mineral Yooperlite (syenite rock rich with fluorescent sodalite) glowing under ultraviolet light. College Station, Texas, February 29, 2024
 Handshake symbol on a tomb both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Calvert Cemetery. Calvert, Texas, November 3, 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
 Granite tombstone with sidewalk firedot lichen (Xanthocarpia feracissima, Caloplaca feracissima) both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Odd Fellow Cemetery. Anderson, Texas, November 9, 2024
 Lichens at the base of a swamp cypress in ultraviolet light at a parking on Dartmouth Street in Wolf Pen Creek Park. College Station, Texas, October 9, 2024
 Marble baby angel on a tomb of Holly Robert Volle (2/15/1882-2/20/1894) in ultraviolet light in Calvert Cemetery. Calvert, Texas, November 3, 2024
 Lichens on a marble tomb in Boonville Cemetery. Bryan, Texas, December 8, 2018
 Tilted head of an angel on a tomb of Adelaide Drennan Westall (12/13/1876-8/25/1898) both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Calvert Cemetery. Calvert, Texas, November 3, 2024
 Praying angel on a tomb of a Baylor University student Mary Drennan (11/20/1882-1/8/1901) both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Calvert Cemetery. Calvert, Texas, November 3, 2024
 Fern and ivy leaves covered by lichens on a tomb in Boonville Cemetery. Bryan, Texas, December 8, 2018
 Crustose lichens on bark of a live oak when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight in Thomas Park. College Station, Texas, August 21, 2024
 Close-up of a section of a grapefruit both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Farm Patch Produce Market in Bryan. Texas, October 9, 2024
 Various crustose lichen on a trunk of oak tree in ultraviolet light in Bee Creek Park. College Station, Texas, August 19, 2024
 Crustose lichens on an iron bridge when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight in Lick Creek Park. College Station, Texas, August 27, 2024
 Section of scallop squash (Patty Pan) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Farm Patch Produce Market in Bryan. Texas, October 9, 2024
 Granite stellas in City Cemetery. Bryan, Texas, December 18, 2018
 Crustose lichens and Ramalina on an iron bridge when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight in Lick Creek Park. College Station, Texas, August 27, 2024
 Close-up of rough bark of a live oak with crustose lichens when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight in Thomas Park. College Station, Texas, August 21, 2024
 Stellas of grey granite in City Cemetery. Bryan, Texas, January 17, 2023
 Pepper-spore lichen (Rinodina) (pale blue-grey) between other lichens on an old tomb in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Lichens on stone roses in City Cemetery. Bryan, Texas, December 15, 2012
 Angel with green lichens in City Cemetery. Bryan, Texas, January 27, 2020
 Lichens on a handshake symbol in City Cemetery. Bryan, Texas, December 15, 2012
 Some grey lichen on a granite tombstone in City Cemetery. Bryan, Texas, March 3, 2019
 Green lichens on a marble angel in City Cemetery. Bryan, Texas, January 17, 2023
 Stone flowers with orange lichens in City Cemetery. Bryan, Texas, December 8, 2018
 Some grey lichen together with Caloplaca on a granite tombstone in City Cemetery. Bryan, Texas, March 3, 2019
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