![](../../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/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/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/2024/3640/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/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/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/2024/3635/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/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/2024/3640/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/2024/3635/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/2024/3635/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/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/2024/3640/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/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/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/2024/3640/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/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/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/2024/3640/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/2024/3638/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/2024/3638/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/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/2024/3638/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/2024/3630/jpeg/08t.jpg) Slice of a grapefruit when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Farm Patch Produce Market in Bryan. Texas, October 9, 2024
![](../../pictures/archives/compress/2024/3630/jpeg/06t.jpg) Section of a grapefruit when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Farm Patch Produce Market in Bryan. Texas, October 9, 2024
![](../../pictures/archives/compress/2024/3630/jpeg/11t.jpg) Scallop squash (Patty Pan) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Farm Patch Produce Market in Bryan. Texas, October 9, 2024
![](../../pictures/archives/compress/2024/3630/jpeg/09t.jpg) Section of beetroot (beet) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Farm Patch Produce Market in Bryan. Texas, October 9, 2024
![](../../pictures/archives/compress/2024/3630/jpeg/12t.jpg) Section of eddo root (taro) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Farm Patch Produce Market in Bryan. Texas, October 9, 2024
![](../../pictures/archives/compress/2024/3630/jpeg/05t.jpg) Section of Hachiya 4427 persimmon when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Farm Patch Produce Market in Bryan. Texas, October 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/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/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/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/2024/3636/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/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/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/2024/3636/jpeg/01t.jpg) Saucer lichen Ochrolechia pallescens 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/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/2024/3640/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/2024/3627/jpeg/09t.jpg) Yellow onion when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from HEB supermarket. College Station, Texas, October 3, 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/2024/3638/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/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/2024/3627/jpeg/11t.jpg) Section of yellow onion when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from HEB supermarket. College Station, Texas, October 3, 2024
![](../../pictures/archives/compress/2024/3631/jpeg/31t.jpg) Slice of a dragon fruit when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from HEB supermarket. College Station, Texas, October 13, 2024
![](../../pictures/archives/compress/2024/3631/jpeg/30t.jpg) Pitaya (Dragon fruit) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from HEB supermarket. College Station, Texas, October 13, 2024
![](../../pictures/archives/compress/2024/3631/jpeg/20t.jpg) Paspalum grass when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Sam Houston National Forest. Richards, Texas, October 12, 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/2024/3640/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/2024/3641/jpeg/33t.jpg) Beard lichen (Usnea) fallen from a tree when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, November 12, 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/2024/3638/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/2024/3632/jpeg/04t.jpg) Flowers of Lantana camara when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Bee Creek Park. College Station, Texas, October 15, 2024
![](../../pictures/archives/compress/2024/3637/jpeg/01t.jpg) Acorns fallen from an oak when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Greenway. College Station, Texas, October 26, 2024
![](../../pictures/archives/compress/2024/3631/jpeg/27t.jpg) Dry leaf of mulberry when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, October 13, 2024
![](../../pictures/archives/compress/2024/3631/jpeg/29t.jpg) Ripe red raspberry when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, October 13, 2024
![](../../pictures/archives/compress/2024/3631/jpeg/19t.jpg) Underside of a sweet gum leaf when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Sam Houston National Forest. Richards, Texas, October 12, 2024
![](../../pictures/archives/compress/2024/3632/jpeg/03t.jpg) Fruits of Lantana camara when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Bee Creek Park. College Station, Texas, October 15, 2024
![](../../pictures/archives/compress/2024/3629/jpeg/18t.jpg) Green leaf of a cabbage head when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from HEB supermarket. College Station, Texas, October 8, 2024
![](../../pictures/archives/compress/2024/3630/jpeg/04t.jpg) Flowers of Bradford pea when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Wolf Pen Creek Park. College Station, Texas, October 9, 2024
![](../../pictures/archives/compress/2024/3613/jpeg/06t.jpg) Ramalina lichen on a 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/2024/3638/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/2024/3638/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/2024/3638/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/2024/3631/jpeg/28t.jpg) Venation of a dry leaf of mulberry when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, October 13, 2024
![](../../pictures/archives/compress/2024/3631/jpeg/25t.jpg) Dog fennel (Eupatorium capillifolium) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, October 13, 2024
![](../../pictures/archives/compress/2024/3634/jpeg/02t.jpg) Dog fennel (Eupatorium capillifolium) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, October 22, 2024
![](../../pictures/archives/compress/2024/3634/jpeg/03t.jpg) Blooming aster (Symphyotrichum) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, October 22, 2024
![](../../pictures/archives/compress/2024/3631/jpeg/17t.jpg) Pitcher sage (Salvia azurea) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Sam Houston National Forest. Richards, Texas, October 12, 2024
![](../../pictures/archives/compress/2024/3613/jpeg/09t.jpg) Golden-eye lichen (Teloschistes chrysophthalmus) 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/2024/3638/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/2024/3611/jpeg/09t.jpg) Powdered ruffle lichen (Parmotrema hypotropum) and cartilage lichen (Ramalina celastri) 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/2024/3626/jpeg/31t.jpg) Bastard pennyroyal (Trichostema dichotomum) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, October 1, 2024
![](../../pictures/archives/compress/2024/3633/jpeg/26t.jpg) Blooming aster (Symphyotrichum) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Richards Loop Trail in Sam Houston National Forest. Texas, October 20, 2024
![](../../pictures/archives/compress/2024/3630/jpeg/02t.jpg) Blooming branch of Bradford pea tree when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Wolf Pen Creek Park. College Station, Texas, October 9, 2024
![](../../pictures/archives/compress/2024/3633/jpeg/22t.jpg) White aster flowers when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Richards Loop Trail in Sam Houston National Forest. Texas, October 20, 2024
![](../../pictures/archives/compress/2024/3632/jpeg/15t.jpg) Flowers of annual broomweed when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Greenway Trail. College Station, Texas, October 18, 2024
![](../../pictures/archives/compress/2024/3632/jpeg/16t.jpg) Water primrose (Ludwigia) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Greenway Trail. College Station, Texas, October 18, 2024
![](../../pictures/archives/compress/2024/3626/jpeg/35t.jpg) Wood oats (Chasmanthium latifolium) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, October 1, 2024
![](../../pictures/archives/compress/2024/3632/jpeg/17t.jpg) Fallen acorns from oaks when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Greenway Trail. College Station, Texas, October 18, 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/2024/3638/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/2024/3640/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/2024/3638/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/2024/3611/jpeg/03t.jpg) Cartilage lichen (Ramalina celastri) on a twig 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/2024/3611/jpeg/06t.jpg) Southern strap lichen (Ramalina stenospora) 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/2024/3634/jpeg/06t.jpg) Golden reishi mushroom (Ganoderma curtisii) 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 23, 2024
![](../../pictures/archives/compress/2024/3633/jpeg/24t.jpg) Narrowleaf silkgrass (Pityopsis graminifolia) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Richards Loop Trail in Sam Houston National Forest. Texas, October 20, 2024
![](../../pictures/archives/compress/2024/3627/jpeg/22t.jpg) Section of horse apple (osage orange, Maclura) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Bee Creek Park. College Station, Texas, October 4, 2024
![](../../pictures/archives/compress/2024/3626/jpeg/37t.jpg) Groundsel bush (seepwillow, Baccharis halimifolia) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, October 1, 2024
![](../../pictures/archives/compress/2024/3633/jpeg/25t.jpg) Rose vervain (Glandularia canadensis) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Richards Loop Trail in Sam Houston National Forest. Texas, October 20, 2024
![](../../pictures/archives/compress/2024/3628/jpeg/10t.jpg) Branched noseburn (Tragia ramosa) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Richards Loop Trail in Sam Houston National Forest. Texas, October 5, 2024
![](../../pictures/archives/compress/2024/3626/jpeg/33t.jpg) Maryland meadow-beauty (Rhexia mariana) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, October 1, 2024
![](../../pictures/archives/compress/2024/3631/jpeg/18t.jpg) Nodding Ladies-Tresses Orchid (Spiranthes cernua) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Sam Houston National Forest. Richards, Texas, October 12, 2024
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