![](../../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/27t.jpg) 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
![](../../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/2024/3640/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/2024/3640/jpeg/11t.jpg) 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
![](../../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/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/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
![](../../pictures/archives/compress/2024/3640/jpeg/23t.jpg) Child s tomb of Alice 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/21t.jpg) Tomb of Rachel Moore 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/25t.jpg) Lamb symbol on a child s 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/33t.jpg) Carved lamb symbol on a child s tomb of E. W. 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/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/05t.jpg) Paper flowers 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/19t.jpg) Masonry of a crypt 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/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/2024/3638/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/2024/3640/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/2024/3640/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/2024/3635/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/2024/3640/jpeg/28t.jpg) 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
![](../../pictures/archives/compress/2024/3605/jpeg/23t.jpg) 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
![](../../pictures/archives/compress/2024/3609/jpeg/02t.jpg) 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
![](../../pictures/archives/compress/2024/3605/jpeg/22t.jpg) 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
![](../../pictures/archives/compress/2024/3609/jpeg/03t.jpg) 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
![](../../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/2024/3640/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/2024/3638/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/2024/3638/jpeg/13t.jpg) Young angel on a tomb 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/2024/3631/jpeg/06t.jpg) 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
![](../../pictures/archives/compress/2024/3636/jpeg/02t.jpg) 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
![](../../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/2024/3638/jpeg/03t.jpg) Tomb of Lyoia Ada (3/10/1860-12/30/1870) 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/11t.jpg) Tomb of Geo Couter (12/31/1839-12/26/1873) 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/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/28t.jpg) Masonic symbol of compass and angle on a tomb 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/25t.jpg) Handshake symbol carved on a marble tomb 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/15t.jpg) A hand with a book carved on a mable tomb 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/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/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/2024/3638/jpeg/12t.jpg) Marble tomb of Olivar Mistrot (12/12/1871-6/6/1872) 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/27t.jpg) Marble tomb of Lottie Parker (4/8/1868-11/4/1873) 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/14t.jpg) Marble tomb of Jeff Davis Pistole (9/15/1861-7/9/1902) 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/06t.jpg) Carved lamb on a tomb of Frankie Lee Coleman (1871 - 9/27/1875) 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/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/17t.jpg) Head of an angel on a tomb of Adelaide Drennan Westall (12/13/1876-8/25/1898) 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/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/2024/3635/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/2024/3638/jpeg/16t.jpg) Mature marble angel on a tomb of Adelaide Drennan Westall (12/13/1876-8/25/1898) 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/02t.jpg) Freemason s carved symbol that includes a compass, a carpenter s square and a capital G on a marble tomb 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/2024/3612/jpeg/28t.jpg) Crustose lichens on a thin oak when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight collected on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, August 31, 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/2024/3612/jpeg/29t.jpg) Pertusaria and other crustose lichens on a thin oak when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight collected on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, August 31, 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/2024/3640/jpeg/02t.jpg) 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
![](../../pictures/archives/compress/2024/3638/jpeg/20t.jpg) Limestone grave 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/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/2024/3638/jpeg/23t.jpg) Tomb of Martha E. Cole (11/8/1856-8/19/1863), Wirt S. Cole (3/14/1861-9/21/1864), and David K. Cole (8/9/1864-8/3/1865) 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/07t.jpg) A hand with the index finger pointing right on a gravestone 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/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/2024/3624/jpeg/24t.jpg) Fruticose lichens on a twig when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Nails Creek Unit of Somerville Lake State Park. Texas, September 22, 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/2024/3636/jpeg/03t.jpg) Pertusaria and other crustose lichen 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
![](../../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/2024/3640/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/2024/3613/jpeg/07t.jpg) Fruticose lichens on an elm twig when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 1, 2024
![](../../pictures/archives/compress/2024/3631/jpeg/03t.jpg) Lichens on a wooden bench 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
![](../../pictures/archives/compress/2024/3631/jpeg/04t.jpg) Wooden bench with 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
![](../../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/2024/3635/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/2024/3638/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/2024/3640/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/2024/3631/jpeg/07t.jpg) Various lichens on a weatered wooden bench 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
![](../../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/2024/3611/jpeg/11t.jpg) Various fruticose lichens on a twig of elm when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Washington-on-the-Brazos State Historic Site. Washington, Texas, August 29, 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/2024/3610/jpeg/17t.jpg) Close-up of a twig of elm tree with folious lichens when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 28, 2024
![](../../pictures/archives/compress/2024/3613/jpeg/08t.jpg) Golden-eye (Teloschistes chrysophthalmus) and other fruticose lichens when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 1, 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/2024/3642/jpeg/32t.jpg) Cut pineapple when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Kroger supermarket. College Station, Texas, November 15, 2024
![](../../pictures/archives/compress/2024/3642/jpeg/34t.jpg) Section of top of a pineapple when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Kroger supermarket. College Station, Texas, November 15, 2024
![](../../pictures/archives/compress/2024/3642/jpeg/33t.jpg) Section of pineapple when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Kroger supermarket. College Station, Texas, November 15, 2024
![](../../pictures/archives/compress/2024/3610/jpeg/02t.jpg) Foliose lichens Ramalina celastri and Teloschistes exilis on a twig of elm when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 28, 2024
![](../../pictures/archives/compress/2024/3610/jpeg/19t.jpg) Twig of elm tree with folious lichens Teloschistes exilis and Parmotrema hypotropum when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 28, 2024
![](../../pictures/archives/compress/2024/3642/jpeg/35t.jpg) Section of fruit of a pineapple when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Kroger supermarket. College Station, Texas, November 15, 2024
![](../../pictures/archives/compress/2024/3611/jpeg/10t.jpg) Slender orange-bush (Teloschistes exilis) and other fruticose lichens on a twig of elm when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Washington-on-the-Brazos State Historic Site. Washington, Texas, August 29, 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/2024/3610/jpeg/18t.jpg) Close-up of a twig of elm tree with folious lichens Teloschistes exilis and Parmotrema hypotropum when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 28, 2024
![](../../pictures/archives/compress/2024/3639/jpeg/23t.jpg) Sandstone with green algae 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, November 8, 2024
![](../../pictures/archives/compress/2024/3642/jpeg/29t.jpg) Fresh blacberries (Red Blossom Sales, Inc.) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Kroger supermarket. College Station, Texas, November 15, 2024
![](../../pictures/archives/compress/2024/3638/jpeg/30t.jpg) Section of sweet dumpling winter squash when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from HEB supermarket. College Station, Texas, November 3, 2024
![](../../pictures/archives/compress/2024/3641/jpeg/17t.jpg) Water fern (Azolla) and duckweed when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight in Bee Creek Park. College Station, Texas, November 11, 2024
![](../../pictures/archives/compress/2024/3610/jpeg/16t.jpg) Twig of elm tree with folious lichens Teloschistes exilis, Parmotrema hypotropum, Usnea strigosa when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 28, 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/2024/3639/jpeg/24t.jpg) Dry oak leaves and sandstone with algae on a path 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, November 8, 2024
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