![](../../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/2024/3605/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/2024/3606/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/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/2024/3605/jpeg/20t.jpg) Prostrate polypore mushroom Perenniporia phloiophila on a live oak (Quercus virginiana) 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/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/2024/3606/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/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/2024/3606/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/2024/3606/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/2024/3606/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/2024/3631/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/2024/3631/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/2024/3636/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/2024/3639/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/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/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/2024/3605/jpeg/18t.jpg) Various crustose lichen on a trunk of oak tree in ultraviolet light in Bee Creek Park. College Station, Texas, August 19, 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/2024/3609/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/2024/3635/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/2024/3640/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/2024/3606/jpeg/24t.jpg) Crustose lichen Pertusaria 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/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/2024/3630/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/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/2024/3614/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/2024/3614/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/2024/3636/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/2024/3614/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/2024/3622/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/2024/3640/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/2024/3612/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/2024/3612/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/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/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/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/2024/3611/jpeg/14t.jpg) Creeping grass glowing blue in ultraviolet light in Lick Creek Park. College Station, Texas, August 30, 2024
![](../../pictures/archives/compress/2024/3611/jpeg/15t.jpg) Young toad glowing blue in ultraviolet light in Lick Creek Park. College Station, Texas, August 30, 2024
![](../../pictures/archives/compress/2024/3611/jpeg/13t.jpg) Shoot of grass glowing blue in ultraviolet light in Lick Creek Park. College Station, Texas, August 30, 2024
![](../../pictures/archives/compress/2024/3611/jpeg/17t.jpg) Apothecia of a foliose lichen glowing blue in ultraviolet light in Lick Creek Park. College Station, Texas, August 30, 2024
![](../../pictures/archives/compress/2024/3611/jpeg/16t.jpg) A toad on a sandy path glowing blue in ultraviolet light in Lick Creek Park. College Station, Texas, August 30, 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/2024/3605/jpeg/19t.jpg) Sidewalk firedot lichen (Xanthocarpia feracissima) in ultraviolet light on a concrete path in Bee Creek Park. College Station, Texas, August 19, 2024
![](../../pictures/archives/compress/2024/3635/jpeg/02t.jpg) Fluorescent lichens growing on a flat tombstone in ultraviolet light in City Cemetery. Bryan, Texas, October 24, 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/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/2024/3611/jpeg/19t.jpg) Gills of oysterling mushrooms Moniliophthora conchata from a trumpet vine glowing blue in ultraviolet light in Lick Creek Park. College Station, Texas, August 30, 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/2024/3608/jpeg/03t.jpg) Hibiscus flower in ultraviolet light in Leach Teaching Gardens at Texas A and M University. College Station, Texas, August 25, 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/2024/3640/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/2024/3608/jpeg/01t.jpg) Trumpet flower (Tecoma stans) in ultraviolet light in Leach Teaching Gardens at Texas A and M University. College Station, Texas, August 25, 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/2024/3608/jpeg/05t.jpg) Flower of blue morning glory (Ipomoea) in ultraviolet light in Leach Teaching Gardens at Texas A and M University. College Station, Texas, August 25, 2024
![](../../pictures/archives/compress/2024/3608/jpeg/04t.jpg) Buds of morning glory (Ipomoea) flowers in ultraviolet light in Leach Teaching Gardens at Texas A and M University. College Station, Texas, August 25, 2024
![](../../pictures/archives/compress/2024/3608/jpeg/02t.jpg) White Rose-Mallow (Hibiscus aculeatus)(?) in ultraviolet light in Leach Teaching Gardens at Texas A and M University. College Station, Texas, August 25, 2024
![](../../pictures/archives/compress/2024/3628/jpeg/27t.jpg) Plant with red fluorescence in ultraviolet light in Lick Creek Park. College Station, Texas, October 7, 2024
![](../../pictures/archives/compress/2024/3632/jpeg/01t.jpg) Purple bindweed (Ipomoea cordatotriloba) in ultraviolet light in Bee Creek Park. College Station, Texas, October 14, 2024
![](../../pictures/archives/compress/2024/3614/jpeg/18t.jpg) Mushrooms Amanita pubescens in ultraviolet light in Lick Creek Park. College Station, Texas, September 5, 2024
![](../../pictures/archives/compress/2024/3618/jpeg/01t.jpg) Some sedge(?) glowing blue in ultraviolet light in Lick Creek Park. College Station, Texas, September 11, 2024
![](../../pictures/archives/compress/2024/3637/jpeg/10t.jpg) Fallen horse apple (Maclura) in ultraviolet light in Bee Creek Park. College Station, Texas, October 29, 2024
![](../../pictures/archives/compress/2024/3614/jpeg/22t.jpg) Top view of mushrooms Leucocoprinus longistriatus in ultraviolet light in Lick Creek Park. College Station, Texas, September 5, 2024
![](../../pictures/archives/compress/2024/3639/jpeg/29t.jpg) Sandstone with green algae on a path in ultraviolet light in Lick Creek Park. College Station, Texas, November 8, 2024
![](../../pictures/archives/compress/2024/3614/jpeg/21t.jpg) Cap of a mushroom Amanita pubescens glowing in ultraviolet light in Lick Creek Park. College Station, Texas, September 5, 2024
![](../../pictures/archives/compress/2024/3614/jpeg/23t.jpg) Caps of mushrooms Leucocoprinus longistriatus in ultraviolet light in Lick Creek Park. College Station, Texas, September 5, 2024
![](../../pictures/archives/compress/2024/3630/jpeg/03t.jpg) Inflorescence of Bradford pea both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Wolf Pen Creek Park. College Station, Texas, October 9, 2024
![](../../pictures/archives/compress/2024/3639/jpeg/22t.jpg) Dry leaves and sandstone with algae on a path in ultraviolet light in Lick Creek Park. College Station, Texas, November 8, 2024
![](../../pictures/archives/compress/2024/3464/jpeg/11t.jpg) Red brittlegill (Russula) mushroom in near ultraviolet light, collected in Lick Creek Park. College Station, Texas, January 29, 2024
![](../../pictures/archives/compress/2024/3625/jpeg/05t.jpg) Sandy path with elm leaves and algae in ultraviolet light in Lick Creek Park. College Station, Texas, September 25, 2024
![](../../pictures/archives/compress/2024/3641/jpeg/21t.jpg) Fluorescence of water fern (Azolla) and duckweed in ultraviolet light in Bee Creek Park. College Station, Texas, November 11, 2024
![](../../pictures/archives/compress/2018/2422/jpeg/35t.jpg) Mixed crustose lichens on bark of Mexican buckeye (Ungnadia speciosa) in Antique Rose Emporium. Independence, Texas, December 29, 2018
![](../../pictures/archives/compress/2021/2923/jpeg/28t.jpg) Various lichens on rough bark of an aspen tree near a forest road near Dibuny, north-west from Saint Petersburg, Russia, May 5, 2021
![](../../pictures/archives/compress/2024/3614/jpeg/19t.jpg) Mushrooms Amanita pubescens on a sandy path in ultraviolet light in Lick Creek Park. College Station, Texas, September 5, 2024
![](../../pictures/archives/compress/2024/3614/jpeg/24t.jpg) Mushrooms Leucocoprinus longistriatus on a sandy path in ultraviolet light in Lick Creek Park. College Station, Texas, September 5, 2024
![](../../pictures/archives/compress/2024/3617/jpeg/11t.jpg) Spider lily (Hymenocallis) near Nature Center under ultraviolet light in Lick Creek Park. College Station, Texas, September 9, 2024
![](../../pictures/archives/compress/2024/3639/jpeg/30t.jpg) Dry oak and hackberry leaves and sandstone with algae on a path in ultraviolet light in Lick Creek Park. College Station, Texas, November 8, 2024
![](../../pictures/archives/compress/2024/3634/jpeg/04t.jpg) Leaf of a thistle (Cirsium) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, October 22, 2024
![](../../pictures/archives/compress/2024/3632/jpeg/05t.jpg) Flowers and fruits of Lantana camara both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Bee Creek Park. College Station, Texas, October 15, 2024
![](../../pictures/archives/compress/2024/3464/jpeg/12t.jpg) Gills of red brittlegill (Russula) mushroom in near ultraviolet light, collected in Lick Creek Park. College Station, Texas, January 29, 2024
![](../../pictures/archives/compress/2024/3628/jpeg/12t.jpg) Wooden fence of a small foot bridge in ultraviolet light in Lick Creek Park. College Station, Texas, October 6, 2024
![](../../pictures/archives/compress/2024/3628/jpeg/24t.jpg) Ringless honey mushrooms (Desarmillaria caespitosa) in ultraviolet light in Lick Creek Park. College Station, Texas, October 7, 2024
![](../../pictures/archives/compress/2024/3628/jpeg/11t.jpg) Rock rose (Pavonia) in ultraviolet light behind Nature Center in Lick Creek Park. College Station, Texas, October 6, 2024
![](../../pictures/archives/compress/2024/3625/jpeg/02t.jpg) Flower of powderpuff (Mimosa strigillosa) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Bee Creek Park. College Station, Texas, September 23, 2024
![](../../pictures/archives/compress/2024/3632/jpeg/07t.jpg) Golden reishi mushroom (Ganoderma curtisii) in ultraviolet light in Lick Creek Park. College Station, Texas, October 16, 2024
![](../../pictures/archives/compress/2024/3618/jpeg/02t.jpg) Purple gerardia (Agalinis purpurea) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, September 11, 2024
![](../../pictures/archives/compress/2024/3629/jpeg/15t.jpg) Old cluster of ringless honey mushrooms (Desarmillaria caespitosa) in ultraviolet light in Lick Creek Park. College Station, Texas, October 8, 2024
![](../../pictures/archives/compress/2024/3629/jpeg/05t.jpg) Close-up of ringless honey mushrooms (Desarmillaria caespitosa) in ultraviolet light in Lick Creek Park. College Station, Texas, October 8, 2024
![](../../pictures/archives/compress/2024/3614/jpeg/20t.jpg) Mushrooms Amanita pubescens on a sandy path glowing in ultraviolet light in Lick Creek Park. College Station, Texas, September 5, 2024
![](../../pictures/archives/compress/2024/3618/jpeg/17t.jpg) Flowers of frostweed (Verbesina virginica) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, September 11, 2024
![](../../pictures/archives/compress/2024/3634/jpeg/05t.jpg) Golden reishi mushroom (Ganoderma curtisii) near a stump in ultraviolet light in Lick Creek Park. College Station, Texas, October 23, 2024
![](../../pictures/archives/compress/2024/3637/jpeg/09t.jpg) Tree trunk with white crust fungus Dendrothele candida(?) in ultraviolet light in Bee Creek Park. College Station, Texas, October 29, 2024
![](../../pictures/archives/compress/2024/3639/jpeg/25t.jpg) Dry oak leaves, fallen twigs and sandstone with algae on a path in ultraviolet light in Lick Creek Park. College Station, Texas, November 8, 2024
|