![](../../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/2024/3614/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/2024/3606/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/2024/3606/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/2024/3618/jpeg/01t.jpg) Some sedge(?) glowing blue in ultraviolet light in Lick Creek Park. College Station, Texas, September 11, 2024
![](../../pictures/archives/compress/2024/3606/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/2024/3628/jpeg/26t.jpg) Glowing gills of ringless honey mushrooms (Desarmillaria caespitosa) in ultraviolet light in Lick Creek Park. College Station, Texas, October 7, 2024
![](../../pictures/archives/compress/2024/3629/jpeg/07t.jpg) Glowing gills 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/11t.jpg) Glowing caps of ringless honey mushrooms (Desarmillaria caespitosa) in ultraviolet light in Lick Creek Park. College Station, Texas, October 8, 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/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/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/2024/3611/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/2024/3636/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/2024/3611/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/2024/3614/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/2024/3639/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/2024/3614/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/2024/3629/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/2024/3639/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/2024/3642/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/2024/3636/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/2024/3609/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/2024/3636/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/2024/3628/jpeg/24t.jpg) Ringless honey mushrooms (Desarmillaria caespitosa) in ultraviolet light in Lick Creek Park. College Station, Texas, October 7, 2024
![](../../pictures/archives/compress/2024/3629/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/2024/3618/jpeg/09t.jpg) Close-up of narrowleaf marsh elder (Iva angustifolia) 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/14t.jpg) Gills of a 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/10t.jpg) Details of caps of ringless honey mushrooms (Desarmillaria caespitosa) in ultraviolet light in Lick Creek Park. College Station, Texas, October 8, 2024
![](../../pictures/archives/compress/2024/3628/jpeg/25t.jpg) Side view of ringless honey mushrooms (Desarmillaria caespitosa) in ultraviolet light in Lick Creek Park. College Station, Texas, October 7, 2024
![](../../pictures/archives/compress/2024/3629/jpeg/13t.jpg) Side view of a cluster of ringless honey mushrooms (Desarmillaria caespitosa) in ultraviolet light in Lick Creek Park. College Station, Texas, October 8, 2024
![](../../pictures/archives/compress/2024/3628/jpeg/15t.jpg) Caps of ringless honey mushrooms (Desarmillaria caespitosa) partially illuminated by ultraviolet light in Lick Creek Park. College Station, Texas, October 6, 2024
![](../../pictures/archives/compress/2024/3629/jpeg/04t.jpg) Caps of ringless honey mushrooms (Desarmillaria caespitosa) both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Lick Creek Park. College Station, Texas, October 8, 2024
![](../../pictures/archives/compress/2024/3618/jpeg/04t.jpg) Close-up of fluffy seeds of wand blackroot (Pterocaulon virgatum) 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/2024/3628/jpeg/38t.jpg) Underside of a cluster of ringless honey mushrooms (Desarmillaria caespitosa) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, October 7, 2024
![](../../pictures/archives/compress/2024/3628/jpeg/36t.jpg) Cluster of young ringless honey mushrooms (Desarmillaria caespitosa) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, October 7, 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/2024/3637/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/2024/3479/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/2024/3627/jpeg/10t.jpg) Close-up of yellow onion both in natural light and under 365 nm ultraviolet (UV-A) blacklight from HEB supermarket. College Station, Texas, October 3, 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/2024/3639/jpeg/05t.jpg) Crustose lichens on bark of hackberry in ultraviolet light in Lemontree Park. College Station, Texas, November 5, 2024
![](../../pictures/archives/compress/2024/3606/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/2024/3614/jpeg/18t.jpg) Mushrooms Amanita pubescens in ultraviolet light in Lick Creek Park. College Station, Texas, September 5, 2024
![](../../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/2024/3622/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/2024/3625/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/2024/3614/jpeg/23t.jpg) Caps of mushrooms Leucocoprinus longistriatus in ultraviolet light in Lick Creek Park. College Station, Texas, September 5, 2024
![](../../pictures/archives/compress/2024/3614/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/2024/3614/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/2024/3614/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/2024/3617/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/2024/3618/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/2024/3618/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/2024/3623/jpeg/07t.jpg) Dissected dyeball mushroom (Pisolithus arhizus) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Lick Creek Greenway Trail. College Station, Texas, September 19, 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/2024/3642/jpeg/03t.jpg) Close-up of light yellow resupinate fungus Xylodon flaviporus (Schizopora flavipora) on a log in Lick Creek Park. College Station, Texas, November 14, 2024
![](../../pictures/archives/compress/2024/3630/jpeg/14t.jpg) Glowing gills of silky rosegill mushroom (Volvariella bombycina) in ultraviolet light on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, October 10, 2024
![](../../pictures/archives/compress/2024/3618/jpeg/19t.jpg) Water primrose (Ludwigia) with flower buds 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/2024/3618/jpeg/06t.jpg) Salt-marsh fleabane (Pluchea odorata) 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/2024/3622/jpeg/11t.jpg) Flowers of bastard pennyroyal (Trichostema dichotomum) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, September 17, 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/2024/3618/jpeg/07t.jpg) Blooming salt-marsh fleabane (Pluchea odorata) 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/2024/3618/jpeg/11t.jpg) Young leaf of mustang grape (Vitis mustangensis) 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/2024/3622/jpeg/15t.jpg) Elegant gayfeather (pinkscale, Liatris hesperelegans, former L. elegans) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, September 17, 2024
![](../../pictures/archives/compress/2024/3619/jpeg/07t.jpg) Close-up of fruit of pomegranate both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Kroger supermarket. College Station, Texas, September 12, 2024
![](../../pictures/archives/compress/2024/3527/jpeg/09t.jpg) Field of yellow and white flowers on Post Oak Trail in Lick Creek Park. College Station, Texas, May 6, 2024
![](../../pictures/archives/compress/2024/3500/jpeg/02t.jpg) Yellow visteria (Baptisia bracteata) on Post Oak Trail in Lick Creek Park. College Station, Texas, March 28, 2024
![](../../pictures/archives/compress/2024/3642/jpeg/27t.jpg) Velvet panicum grass (Dichanthelium scoparium)(?) in ultraviolet light on Racoon Run Trail in Lick Creek Park. College Station, Texas, November 15, 2024
![](../../pictures/archives/compress/2024/3622/jpeg/17t.jpg) Flowers of woolly croton (hogwort, Croton capitatus) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, September 17, 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/2024/3500/jpeg/03t.jpg) Yellow star-grass (Hypoxis hirsuta) on Post Oak Trail in Lick Creek Park. College Station, Texas, March 28, 2024
![](../../pictures/archives/compress/2024/3641/jpeg/29t.jpg) Close-up of water fern (Azolla) and duckweed both in natural light and under 365 nm ultraviolet (UV-A) blacklight from a pond in Bee Creek Park. College Station, Texas, November 12, 2024
![](../../pictures/archives/compress/2024/3641/jpeg/27t.jpg) Close-up of water fern (Azolla) and duckweed both in natural light and under 365 nm ultraviolet (UV-A) blacklight from a pond in Bee Creek Park. College Station, Texas, November 12, 2024
![](../../pictures/archives/compress/2021/2901/jpeg/04t.jpg) Honey mesquite (Prosopis glandulosa) in Lick Creek Park. College Station, Texas, April 5, 2021
![](../../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/14t.jpg) Annual broomweed both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Lick Creek Greenway Trail. College Station, Texas, October 18, 2024
![](../../pictures/archives/compress/2024/3632/jpeg/18t.jpg) Acorns from oaks both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Lick Creek Greenway Trail. College Station, Texas, October 18, 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/2022/3251/jpeg/06t.jpg) Close-up of some slender grass on Post Oak Trail in Lick Creek Park. College Station, Texas, September 26, 2022
![](../../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/2024/3639/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/2024/3639/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/2024/3617/jpeg/06t.jpg) Close-up of buttonbush (Cephalanthus occidentalis) 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, September 8, 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/2024/3631/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/2022/3251/jpeg/09t.jpg) Close-up of a spike of some slender grass on Post Oak Trail in Lick Creek Park. College Station, Texas, September 26, 2022
![](../../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/2024/3464/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/2024/3634/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/07t.jpg) Golden reishi mushroom (Ganoderma curtisii) in ultraviolet light in Lick Creek Park. College Station, Texas, October 16, 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/2024/3628/jpeg/12t.jpg) Wooden fence of a small foot bridge in ultraviolet light in Lick Creek Park. College Station, Texas, October 6, 2024
|