![](../../pictures/archives/compress/2024/3635/jpeg/01t.jpg) Fluorescent crustose lichens on a flat tombstone in ultraviolet light in City Cemetery. Bryan, Texas, October 24, 2024
![](../../pictures/archives/compress/2024/3635/jpeg/05t.jpg) Granite tomb with fluorescent crustose lichens in ultraviolet light in City Cemetery. Bryan, Texas, October 24, 2024
![](../../pictures/archives/compress/2024/3635/jpeg/10t.jpg) 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
![](../../pictures/archives/compress/2024/3635/jpeg/11t.jpg) 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
![](../../pictures/archives/compress/2024/3640/jpeg/35t.jpg) 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
![](../../pictures/archives/compress/2024/3635/jpeg/09t.jpg) 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
![](../../pictures/archives/compress/2024/3640/jpeg/08t.jpg) 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
![](../../pictures/archives/compress/2024/3640/jpeg/12t.jpg) 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
![](../../pictures/archives/compress/2024/3635/jpeg/06t.jpg) 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
![](../../pictures/archives/compress/2024/3635/jpeg/08t.jpg) 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
![](../../pictures/archives/compress/2024/3640/jpeg/34t.jpg) 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
![](../../pictures/archives/compress/2024/3635/jpeg/03t.jpg) 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
![](../../pictures/archives/compress/2024/3635/jpeg/17t.jpg) 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
![](../../pictures/archives/compress/2024/3638/jpeg/29t.jpg) 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
![](../../pictures/archives/compress/2024/3639/jpeg/03t.jpg) Blue and orange fluorescent lichens on bark of hackberry in ultraviolet light in Lemontree Park. College Station, Texas, November 5, 2024
![](../../pictures/archives/compress/2024/3639/jpeg/04t.jpg) Close-up of blue and orange fluorescent lichens on bark of hackberry in ultraviolet light in Lemontree Park. College Station, Texas, November 5, 2024
![](../../pictures/archives/compress/2012/1126/jpeg/20t.jpg) Lichens on a granite tombstone in City Cemetery. Bryan, Texas, December 15, 2012
![](../../pictures/archives/compress/2024/3640/jpeg/15t.jpg) 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
![](../../pictures/archives/compress/2018/2410/jpeg/32t.jpg) Handshake symbol with orange and green lichens on a marble tombstone in City Cemetery. Bryan, Texas, December 8, 2018
![](../../pictures/archives/compress/2024/3640/jpeg/32t.jpg) 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
![](../../pictures/archives/compress/2024/3640/jpeg/29t.jpg) 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
![](../../pictures/archives/compress/2024/3640/jpeg/36t.jpg) 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
![](../../pictures/archives/compress/2024/3635/jpeg/15t.jpg) 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
![](../../pictures/archives/compress/2024/3635/jpeg/04t.jpg) 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
![](../../pictures/archives/compress/2024/3638/jpeg/24t.jpg) 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
![](../../pictures/archives/compress/2024/3635/jpeg/07t.jpg) 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
![](../../pictures/archives/compress/2024/3635/jpeg/14t.jpg) 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
![](../../pictures/archives/compress/2024/3635/jpeg/12t.jpg) 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
![](../../pictures/archives/compress/2024/3640/jpeg/30t.jpg) 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
![](../../pictures/archives/compress/2024/3640/jpeg/22t.jpg) 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
![](../../pictures/archives/compress/2024/3635/jpeg/16t.jpg) 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
![](../../pictures/archives/compress/2024/3635/jpeg/13t.jpg) 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
![](../../pictures/archives/compress/2024/3638/jpeg/04t.jpg) Marble tombstone of Mary A. Calvert (10/22/1835-7/24/1881) both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Calvert Cemetery. Calvert, Texas, November 3, 2024
![](../../pictures/archives/compress/2024/3640/jpeg/04t.jpg) 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
![](../../pictures/archives/compress/2024/3640/jpeg/16t.jpg) 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
![](../../pictures/archives/compress/2024/3640/jpeg/14t.jpg) 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
![](../../pictures/archives/compress/2024/3479/jpeg/17t.jpg) Sample of a mineral syenite rock rich with fluorescent sodalite (Yooperlite) glowing under ultraviolet light. College Station, Texas, February 29, 2024
![](../../pictures/archives/compress/2024/3479/jpeg/16t.jpg) Two pebbles of a mineral Yooperlite (syenite rock rich with fluorescent sodalite) glowing under ultraviolet light. College Station, Texas, February 29, 2024
![](../../pictures/archives/compress/2024/3640/jpeg/18t.jpg) 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
![](../../pictures/archives/compress/2024/3631/jpeg/02t.jpg) 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
![](../../pictures/archives/compress/2024/3631/jpeg/01t.jpg) 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
![](../../pictures/archives/compress/2024/3630/jpeg/01t.jpg) 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
![](../../pictures/archives/compress/2013/1130/jpeg/19t.jpg) Handshake on a tombstone in City Cemetery. Bryan, Texas, January 6, 2013
![](../../pictures/archives/compress/2024/3631/jpeg/08t.jpg) 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
![](../../pictures/archives/compress/2024/3631/jpeg/05t.jpg) 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
![](../../pictures/archives/compress/2013/1235/jpeg/26t.jpg) Tombstone near a cypress tree in City Cemetery. Bryan, Texas, August 4, 2013
![](../../pictures/archives/compress/2012/1128/jpeg/27t.jpg) Petrified wood tombstone in City Cemetery. Bryan, Texas, December 30, 2012
![](../../pictures/archives/compress/2024/3631/jpeg/09t.jpg) 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
![](../../pictures/archives/compress/2024/3630/jpeg/07t.jpg) 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
![](../../pictures/archives/compress/2012/1128/jpeg/19t.jpg) Calla flowers on a marble tombstone in City Cemetery. Bryan, Texas, December 30, 2012
![](../../pictures/archives/compress/2012/1126/jpeg/26t.jpg) Mysterious tombstone marked by letters "S J" in City Cemetery. Bryan, Texas, December 15, 2012
![](../../pictures/archives/compress/2019/2459/jpeg/02t.jpg) Some grey lichen on a granite tombstone in City Cemetery. Bryan, Texas, March 3, 2019
![](../../pictures/archives/compress/2024/3630/jpeg/10t.jpg) 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
![](../../pictures/archives/compress/2019/2459/jpeg/04t.jpg) Some grey lichen together with Caloplaca on a granite tombstone in City Cemetery. Bryan, Texas, March 3, 2019
![](../../pictures/archives/compress/2019/2459/jpeg/03t.jpg) Some grey lichen with black apothecia on a granite tombstone in City Cemetery. Bryan, Texas, March 3, 2019
![](../../pictures/archives/compress/2018/2410/jpeg/30t.jpg) Rock-shield lichen (Xanthoparmelia) on a granite tombstone in City Cemetery. Bryan, Texas, December 8, 2018
![](../../pictures/archives/compress/2016/1955/jpeg/17t.jpg) Flat tombstone on Voznesenskaya Lane in Smolenskoe Cemetery of Vasilievsliy Island. Saint Petersburg, Russia, October 27, 2016
![](../../pictures/archives/compress/2012/1126/jpeg/21t.jpg) Lichens on a handshake symbol in City Cemetery. Bryan, Texas, December 15, 2012
![](../../pictures/archives/compress/2012/1126/jpeg/23t.jpg) Lichens on stone roses in City Cemetery. Bryan, Texas, December 15, 2012
![](../../pictures/archives/compress/2023/3329/jpeg/10t.jpg) Lichens on a granite tomb in City Cemetery. Bryan, Texas, January 17, 2023
![](../../pictures/archives/compress/2020/2640/jpeg/09t.jpg) Angel with green lichens in City Cemetery. Bryan, Texas, January 27, 2020
![](../../pictures/archives/compress/2019/2459/jpeg/05t.jpg) Close up of some grey lichen with black apothecia on a granite tombstone in City Cemetery. Bryan, Texas, March 3, 2019
![](../../pictures/archives/compress/2018/2410/jpeg/31t.jpg) Stone flowers with orange lichens in City Cemetery. Bryan, Texas, December 8, 2018
![](../../pictures/archives/compress/2023/3329/jpeg/04t.jpg) Green lichens on a marble angel in City Cemetery. Bryan, Texas, January 17, 2023
![](../../pictures/archives/compress/2019/2459/jpeg/01t.jpg) Peppered rock-shield lichen (Xanthoparmelia conspersa) on a granite tombstone in City Cemetery. Bryan, Texas, March 3, 2019
![](../../pictures/archives/compress/2024/3606/jpeg/03t.jpg) Crustose lichens in ultraviolet light on bark of a hackberry in Lemontree Park. College Station, Texas, August 22, 2024
![](../../pictures/archives/compress/2024/3639/jpeg/05t.jpg) Crustose lichens on bark of hackberry in ultraviolet light in Lemontree Park. College Station, Texas, November 5, 2024
![](../../pictures/archives/compress/2019/2425/jpeg/19t.jpg) Xanthoparmelia conspersa and Caloplaca lichens on a tomb in City Cemetery. Bryan, Texas, January 3, 2019
![](../../pictures/archives/compress/2024/3605/jpeg/21t.jpg) Rough bark of a live oak with crustose lichens in ultraviolet light in Thomas Park. College Station, Texas, August 21, 2024
![](../../pictures/archives/compress/2024/3609/jpeg/01t.jpg) Crustose lichens on an iron bridge in ultraviolet light in Lick Creek Park. College Station, Texas, August 27, 2024
![](../../pictures/archives/compress/2018/2410/jpeg/28t.jpg) Headless marble statue with lichens on a child s tomb in City Cemetery. Bryan, Texas, December 8, 2018
![](../../pictures/archives/compress/2018/2410/jpeg/29t.jpg) Marble child s head with black and green lichens in City Cemetery. Bryan, Texas, December 8, 2018
![](../../pictures/archives/compress/2024/3606/jpeg/01t.jpg) Sidewalk firedot (Xanthocarpia feracissima) with other crustose lichens in ultraviolet light on a concrete path in Lemontree Park. College Station, Texas, August 22, 2024
![](../../pictures/archives/compress/2024/3642/jpeg/25t.jpg) 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
![](../../pictures/archives/compress/2024/3606/jpeg/21t.jpg) Crustose lichens in ultraviolet light on a small mesquite tree on Post Oak Trail in Lick Creek Park. College Station, Texas, August 23, 2024
![](../../pictures/archives/compress/2024/3606/jpeg/02t.jpg) 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
![](../../pictures/archives/compress/2024/3614/jpeg/15t.jpg) Trunk of honey mesquite (Prosopis glandulosa) with lichens under ultraviolet light on Post Oak Trail in Lick Creek Park. College Station, Texas, September 5, 2024
![](../../pictures/archives/compress/2024/3606/jpeg/22t.jpg) 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
![](../../pictures/archives/compress/2024/3614/jpeg/16t.jpg) Lichens glowing blue and yellow on a trunk of honey mesquite under ultraviolet light on Post Oak Trail in Lick Creek Park. College Station, Texas, September 5, 2024
![](../../pictures/archives/compress/2024/3606/jpeg/23t.jpg) 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
![](../../pictures/archives/compress/2024/3640/jpeg/09t.jpg) 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
![](../../pictures/archives/compress/2024/3622/jpeg/02t.jpg) Lichens on a large sandstone rock in ultraviolet light in Leach Teaching Gardens at Texas A and M University. College Station, Texas, September 16, 2024
![](../../pictures/archives/compress/2024/3614/jpeg/17t.jpg) Close-up of lichens glowing blue and yellow on a trunk of honey mesquite under ultraviolet light on Post Oak Trail in Lick Creek Park. College Station, Texas, September 5, 2024
![](../../pictures/archives/compress/2024/3640/jpeg/37t.jpg) Colorful scarecrow in ultraviolet light in Odd Fellow Cemetery. Anderson, Texas, November 9, 2024
![](../../pictures/archives/compress/2024/3640/jpeg/07t.jpg) 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
![](../../pictures/archives/compress/2024/3638/jpeg/22t.jpg) 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 Calvert Cemetery. Calvert, Texas, November 3, 2024
![](../../pictures/archives/compress/2024/3640/jpeg/31t.jpg) Granite tombstone with a carved sign of an idex finger pointed upward 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
![](../../pictures/archives/compress/2024/3640/jpeg/03t.jpg) 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
![](../../pictures/archives/compress/2024/3638/jpeg/01t.jpg) Marble tombstone of Benjamin F. Ball (10/27/1852-6/30/1876) 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
![](../../pictures/archives/compress/2024/3640/jpeg/26t.jpg) 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
![](../../pictures/archives/compress/2024/3640/jpeg/06t.jpg) 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
![](../../pictures/archives/compress/2024/3638/jpeg/26t.jpg) Tombstone of Anne Brenneman Haines Haldeman (8/29/1824-1/16/1892) 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
![](../../pictures/archives/compress/2024/3638/jpeg/21t.jpg) Limestone grave with lichens 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
![](../../pictures/archives/compress/2024/3640/jpeg/13t.jpg) 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
![](../../pictures/archives/compress/2024/3640/jpeg/01t.jpg) Sidewalk firedot lichen (Xanthocarpia feracissima, Caloplaca feracissima) on a 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
![](../../pictures/archives/compress/2024/3640/jpeg/24t.jpg) 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
![](../../pictures/archives/compress/2024/3640/jpeg/20t.jpg) 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
![](../../pictures/archives/compress/2024/3640/jpeg/10t.jpg) 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
![](../../pictures/archives/compress/2024/3640/jpeg/17t.jpg) 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
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