![](../../pictures/archives/compress/2020/2750/jpeg/01t.jpg) Spider lily (Hymenocallis) behind Nature Center in Lick Creek Park. College Station, Texas, August 8, 2020
![](../../pictures/archives/compress/2020/2750/jpeg/02t.jpg) White flowers of spider lily (Hymenocallis) behind Nature Center in Lick Creek Park. College Station, Texas, August 8, 2020
![](../../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/2019/2540/jpeg/01t.jpg) Spider lily (Hymenocallis) at native plant display in Lick Creek Park. College Station, Texas, June 28, 2019
![](../../pictures/archives/compress/2024/3622/jpeg/23t.jpg) Center of Maximilian sunflower (Helianthus maximiliani) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, September 18, 2024
![](../../pictures/archives/compress/2024/3617/jpeg/04t.jpg) Buttonbush (Cephalanthus occidentalis) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight found near Nature Center from Lick Creek Park. College Station, Texas, September 8, 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/2024/3614/jpeg/18t.jpg) Mushrooms Amanita pubescens in ultraviolet light in Lick Creek Park. College Station, Texas, September 5, 2024
![](../../pictures/archives/compress/2018/2240/jpeg/13t.jpg) Spider lily (Hymenocallis) in a swamp near Road 30 north-east from College Station, Texas, April 1, 2018
![](../../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/2024/3625/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/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/2018/2240/jpeg/14t.jpg) Spider lily (Hymenocallis) in swampy area near Road 30 north-east from College Station, Texas, April 1, 2018
![](../../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/2024/3618/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/2024/3618/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/2024/3614/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/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/2024/3622/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/2024/3618/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/2024/3618/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/2024/3618/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/2024/3614/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/2024/3618/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/2024/3614/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/2024/3624/jpeg/19t.jpg) Stickleaf (blazing star) Mentzelia texana(?) with a crab spider both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Nails Creek Unit of Somerville Lake State Park. Texas, September 22, 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/2008/654/jpeg/02t.jpg) Spider lily (Hymenocallis liriosme) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, June 24, 2008
![](../../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/2022/3234/jpeg/03t.jpg) Summer spiderlily (woodland spider-lily, Hymenocallis occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2022
![](../../pictures/archives/compress/2024/3622/jpeg/20t.jpg) Flowers of Maximilian sunflower (Helianthus maximiliani) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, September 18, 2024
![](../../pictures/archives/compress/2024/3622/jpeg/19t.jpg) Blooming Maximilian sunflower (Helianthus maximiliani) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, September 18, 2024
![](../../pictures/archives/compress/2022/3234/jpeg/04t.jpg) Flowers of summer spiderlily (woodland spider-lily, Hymenocallis occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2022
![](../../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/2022/3234/jpeg/05t.jpg) White flower of summer spiderlily (woodland spider-lily, Hymenocallis occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2022
![](../../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/2018/2321/jpeg/01t.jpg) Flowers of summer spiderlily (woodland spider-lily, Hymenocallis occidentalis) in Birch Creek Unit of Lake Somerville State Park, Texas, July 22, 2018
![](../../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/2024/3639/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/2024/3611/jpeg/15t.jpg) Young toad glowing blue in ultraviolet light in Lick Creek Park. College Station, Texas, August 30, 2024
![](../../pictures/archives/compress/2024/3464/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/2024/3609/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/2024/3611/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/2018/2321/jpeg/02t.jpg) Umbel of flowers of summer spiderlily (woodland spider-lily, Hymenocallis occidentalis) in Birch Creek Unit of Lake Somerville State Park, Texas, July 22, 2018
![](../../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/24t.jpg) Ringless honey mushrooms (Desarmillaria caespitosa) in ultraviolet light in Lick Creek Park. College Station, Texas, October 7, 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/2024/3464/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/2024/3611/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/2024/3639/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/2024/3628/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/2024/3625/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/2024/3629/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/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
![](../../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/2024/3631/jpeg/26t.jpg) Blooming dog fennel (Eupatorium capillifolium) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, October 13, 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/2020/2736/jpeg/35t.jpg) Spider lily (Hymenocallis) in Antique Rose Emporium. Independence, Texas, July 4, 2020
![](../../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/2024/3628/jpeg/13t.jpg) Upper section of a wooden fence of a small foot bridge in ultraviolet light in Lick Creek Park. College Station, Texas, October 6, 2024
![](../../pictures/archives/compress/2024/3626/jpeg/32t.jpg) Blooming bastard pennyroyal (Trichostema dichotomum) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, October 1, 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/2024/3642/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/2024/3642/jpeg/18t.jpg) Leaves of bull thistle (Cirsium horridulum) in ultraviolet light on a sewage line right of way in Lick Creek Park. College Station, Texas, November 15, 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/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/2024/3629/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/2024/3628/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/2024/3628/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/2020/2736/jpeg/38t.jpg) Blooming spider lily (Hymenocallis) in Antique Rose Emporium. Independence, Texas, July 4, 2020
![](../../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/2024/3606/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/2024/3632/jpeg/10t.jpg) Wild muskmelon (Cucumis melo, Dudaim melon) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, October 16, 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/2024/3634/jpeg/07t.jpg) Golden reishi mushroom (Ganoderma curtisii) with grass both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Lick Creek Park. College Station, Texas, October 23, 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/2024/3642/jpeg/17t.jpg) Rosette of basal leaves of bull thistle (Cirsium horridulum) in ultraviolet light on a sewage line right of way in Lick Creek Park. College Station, Texas, November 15, 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/2024/3611/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/2024/3626/jpeg/36t.jpg) Fluffy seeds of groundsel bush (seepwillow, Baccharis halimifolia) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, October 1, 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/2024/3631/jpeg/10t.jpg) Purple bindweed (Ipomoea cordatotriloba) 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/2024/3631/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/11t.jpg) Flowers of purple bindweed (Ipomoea cordatotriloba) in ultraviolet light in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, October 11, 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/2024/3632/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/2021/2985/jpeg/13t.jpg) Summer spiderlily (woodland spider-lily, Hymenocallis occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 17, 2021
![](../../pictures/archives/compress/2014/1450/jpeg/13t.jpg) Fruits of spider lily (Hymenocallis astrostephana) in Mercer Arboretum and Botanical Gardens. Humble (Houston area), Texas, July 5, 2014
![](../../pictures/archives/compress/2021/2985/jpeg/14t.jpg) Flowers of summer spiderlily (woodland spider-lily, Hymenocallis occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 17, 2021
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