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3621-21. Climbing hempvine (Mikania scandens) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight collected on Stubblefield section of Lone Star hiking trail in Sam Houston National Forest. Texas, September 15, 2024

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Water primrose (Ludwigia) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight collected on Stubblefield section of Lone Star hiking trail in Sam Houston National Forest. Texas, September 15, 2024
Virgin s Bower (Clematis virginiana) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight collected on Stubblefield section of Lone Star hiking trail in Sam Houston National Forest. Texas, September 15, 2024
Bead fern (Onoclea sensibilis) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight collected on Stubblefield section of Lone Star hiking trail in Sam Houston National Forest. Texas, September 15, 2024
St. Andrew cross (Hypericum hypericoides) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight collected on Stubblefield section of Lone Star hiking trail in Sam Houston National Forest. Texas, September 15, 2024
Section of pineapple bolete mushroom (Boletellus ananas) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight collected on Stubblefield section of Lone Star hiking trail in Sam Houston National Forest. Texas, September 15, 2024
White beautyberry (Callicarpa americana Var. lactea) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight collected on Stubblefield section of Lone Star hiking trail in Sam Houston National Forest. Texas, September 15, 2024
Swamp rose mallow (Hibiscus moscheutos(?)) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight collected on Stubblefield section of Lone Star hiking trail in Sam Houston National Forest. Texas, September 15, 2024
Giant salvinia (Salvinia molesta) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight collected on Stubblefield section of Lone Star hiking trail in Sam Houston National Forest. Texas, September 15, 2024
Bolete and milkcap (Lactarius) mushrooms when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, August 18, 2024
Mushrooms Sebacina incrustans in wet area when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, August 18, 2024
Basket grass (Oplismenus hirtellus) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, October 10, 2024
White mistflower (Ageratina havanensis) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, October 10, 2024
Beefsteak plant (Perilla frutescens) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, October 10, 2024
White aster Symphyotrichum drummondii when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, October 10, 2024
Green brittlegill mushrooms (Russula aeruginea) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, August 18, 2024
Pulp of trifoliate orange (Poncirus trifoliata) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, October 10, 2024
Enveloping crust mushrooms (Sebacina incrustans) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, August 18, 2024
Mushrooms Sebacina incrustans and brittlegill (Russula) in wet area when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, August 18, 2024
Bitter almond brittlegill mushrooms (Russula grata)(?) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, August 18, 2024
Section of a mushroom Scleroderma polyrhizum when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Sam Houston National Forest north from Montgomery. Texas, September 26, 2024
Cross section of a young Amanita mushroom when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, September 2, 2024
Section of star fruit (Carambola) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from a supermarket. College Station, Texas, September 3, 2024
Orange milkweed (Asclepias tuberosa) 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, September 21, 2024
Wild petunia (Ruellia caroliniensis(?)) 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, September 21, 2024
Pencil flower (Stylosanthes biflora) 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, September 21, 2024
Mountain mint (Pycnanthemum tenuifolium) 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, September 21, 2024
Bristle basketgrass (Oplismenus hirtellus) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight collected on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, September 13, 2024
Cardinal flower (Lobelia cardinalis) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight collected on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, September 13, 2024
Polypore mushrooms Ganoderma sessile when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight collected on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, September 13, 2024
Underside of a polypore mushroom Ganoderma sessile when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight collected on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, September 13, 2024
St. Andrew cross (Hypericum, Ascyrum hypericoides) 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, September 21, 2024
Mountain mint (Pycnanthemum tenuifolium) 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 near Montgomery. Texas, September 6, 2024
Southern prairie aster (Eurybia hemispherica)(?) 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, September 21, 2024
Mushrooms Gerronema strombodes when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, September 7, 2024
Sweet everlasting (Pseudognaphalium obtusifolium, cudweed, Gnaphalium) 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, September 21, 2024
Underside of polypore mushrooms Nigroporus vinosus when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, September 7, 2024
Caps of turkeytail mushrooms (Trametes versicolor) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, September 2, 2024
Pore surface of mushrooms Nigroporus vinosus when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, September 7, 2024
Gills of tiny white Marasmius-like mushrooms when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, September 2, 2024
Top view of polypore mushrooms Nigroporus vinosus when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, September 7, 2024
Flowers of Virgin s Bower (Clematis virginiana) both in natural light and under 365 nm ultraviolet (UV-A) blacklight collected on Stubblefield section of Lone Star hiking trail in Sam Houston National Forest. Texas, September 15, 2024
Inflorescence of Virgin s Bower (Clematis virginiana) both in natural light and under 365 nm ultraviolet (UV-A) blacklight collected on Stubblefield section of Lone Star hiking trail in Sam Houston National Forest. Texas, September 15, 2024
Pineapple bolete mushroom (Boletellus ananas) both in natural light and under 365 nm ultraviolet (UV-A) blacklight collected on Stubblefield section of Lone Star hiking trail in Sam Houston National Forest. Texas, September 15, 2024
Tiny white Marasmius-like gilled mushrooms on a twig when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, September 2, 2024
Underside of ochre bracket mushrooms (Trametes ochracea) on a log when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, September 2, 2024
Caps of ochre bracket mushrooms (Trametes ochracea) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, September 2, 2024
Top and underside surfaces of turkeytail mushrooms (Trametes versicolor) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, September 2, 2024
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
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
Fertile fronds of bead fern (Onoclea sensibilis) both in natural light and under 365 nm ultraviolet (UV-A) blacklight collected on Stubblefield section of Lone Star hiking trail in Sam Houston National Forest. Texas, September 15, 2024
Pore surface of ochre bracket mushrooms (Trametes ochracea) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, September 2, 2024
Slice of star fruit (Carambola) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from a supermarket. College Station, Texas, September 3, 2024
Dissected star fruit (Carambola) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from a supermarket. College Station, Texas, September 3, 2024
Section of globe artichike when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Kroger supermarket. College Station, Texas, September 10, 2024
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
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
Flower of butterfly pea (Centrosema virginianum) 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, August 24, 2024
Zizotes milkweed (Asclepias oenotheroides) 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, August 24, 2024
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
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
Dark brown-violet pinkgill mushrooms (Entoloma or Nolanea, Leptonia) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, September 7, 2024
Globe artichike when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight with cross section from Kroger supermarket. College Station, Texas, September 10, 2024
Section of a bolete mushroom 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 5, 2024
Section of prickly pear (cactus fruit) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from a supermarket. College Station, Texas, September 3, 2024
Close-up of section of globe artichike when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Kroger supermarket. College Station, Texas, September 10, 2024
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
Gayfeather (Liatris bracteata(?)) 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
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
Flower of Pigeon wings (Clitoria mariana) 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, August 24, 2024
Narrow-leaf gayfeather (Liatris mucronata(?)) 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, August 24, 2024
Spurge Euphorbia heterophylla when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, October 19, 2024
Blooming Zizotes milkweed (Asclepias oenotheroides) 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, August 24, 2024
Gills of dark brown-violet pinkgill mushrooms (Entoloma or Nolanea, Leptonia) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, September 7, 2024
Green milkweed (Asclepias viridis) 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
Macartney rose (Rosa bracteata) 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
Flowering spurge (Euphorbia corollata) 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
Snow-on-the-prairie (Euphorbia bicolor) 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
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
Section of mushrooms Amanita pubescens 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 5, 2024
Section of red dragon fruit (Ivan Big Tree, 3040) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from HEB Supermarket. College Station, Texas, September 16, 2024
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
Green flowers of Zizotes milkweed (Asclepias oenotheroides) 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, August 24, 2024
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 Richards Loop Trail in Sam Houston National Forest. Texas, October 20, 2024
Coral bean (Erythrina herbacea) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, October 19, 2024
Elegant gayfeather (pinkscale, Liatris hesperelegans, former L. elegans) 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, August 24, 2024
Smallhead doll s daisy (Boltonia diffusa) 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
Trailing fuzzy-bean (Strophostyles helvola) 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
Southern prairie aster (Eurybia hemispherica) 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
Shoot of bristle basketgrass (Oplismenus hirtellus) 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
Inflorescence of green milkweed (Asclepias viridis) 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
Flowers of green milkweed (Asclepias viridis) 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
Section of a bolete mushroom Pulchroboletus rubricitrinus 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 3, 2024
Section of globe artichike (Ocean Mist 4762) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Kroger supermarket. College Station, Texas, September 10, 2024
Close-up of flowers of green milkweed (Asclepias viridis) 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
Flowers of elegant gayfeather (pinkscale, Liatris hesperelegans, former L. elegans) 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, August 24, 2024
Section of rooting puffball mushrooms (Lycoperdon radicatum) 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 5, 2024
Section of porcini mushrooms (Boletus edulis group) 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 5, 2024
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
Stickleaf (blazing star) Mentzelia texana(?) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Birch Creek Unit of Somerville Lake State Park. Texas, September 14, 2024

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