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 3633-23. 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

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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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Flowers of Nodding Ladies-Tresses Orchid (Spiranthes cernua) on Richards Loop Trail in Sam Houston National Forest. Texas, October 20, 2024
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Nodding Ladies-Tresses orchid (Spiranthes cernua) on Richards Loop Trail in Sam Houston National Forest. Texas, October 18, 2022
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Nodding Ladies-Tresses Orchid (Spiranthes cernua) on Richards Loop Trail in Sam Houston National Forest. Texas, October 29, 2022
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Nodding ladies-tresses orchid (Spiranthes cernua) on Richards Loop Trail in Sam Houston National Forest. Texas, October 22, 2020
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Inflorescence of nodding ladies-tresses orchid (Spiranthes cernua) on Richards Loop Trail in Sam Houston National Forest. Texas, October 22, 2020
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Flowers of nodding ladies-tresses orchid (Spiranthes cernua) on Richards Loop Trail in Sam Houston National Forest. Texas, October 22, 2020
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Close-up of nodding Ladies-Tresses orchid (Spiranthes cernua) on Richards Loop Trail in Sam Houston National Forest. Texas, October 18, 2022
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Flower spike of nodding ladies-tresses orchid (Spiranthes cernua) on Richards Loop Trail in Sam Houston National Forest. Texas, October 22, 2020
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Nodding Ladies-Tresses Orchid (Spiranthes cernua) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, October 20, 2018
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Flowers of Nodding Ladies-Tresses Orchid (Spiranthes cernua) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, October 20, 2018
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Close-up of nodding Ladies-Tresses Orchid (Spiranthes cernua) on Richards Loop Trail in Sam Houston National Forest. Texas, November 5, 2020
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Inflorescence of nodding Ladies-Tresses Orchid (Spiranthes cernua) on Richards Loop Trail in Sam Houston National Forest. Texas, November 5, 2020
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Flowers of nodding ladies-tresses orchid (Spiranthes cernua) on Richards Loop Trail in Sam Houston National Forest. Texas, November 5, 2020
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Nodding Ladies-Tresses Orchid (Spiranthes cernua) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, November 11, 2018
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Nodding Ladies-Tresses Orchid (Spiranthes cernua) on Sand Branch Loop Trail in Sam Houston National Forest near Richards. Texas, November 3, 2019
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Flower spike of nodding ladies-tresses orchid (Spiranthes cernua) on Richards Loop Trail in Sam Houston National Forest. Texas, November 5, 2020
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Close up of nodding Ladies-Tresses Orchid (Spiranthes cernua) on Sand Branch Loop Trail in Sam Houston National Forest near Richards. Texas, November 3, 2019
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Flowers of nodding Ladies-Tresses Orchid (Spiranthes cernua) on Sand Branch Loop Trail in Sam Houston National Forest near Richards. Texas, November 3, 2019
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Nodding Ladies-Tresses Orchid (Spiranthes cernua) in a pine forest on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, November 11, 2018
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Nodding Ladies-Tresses Orchid (Spiranthes cernua) on Caney Creek Trail in Sam Houston National Forest, near Huntsville. Texas, October 18, 2009
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Nodding Ladies-Tresses Orchid (Spiranthes cernua) on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, November 24, 2023
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Back-lit nodding Ladies-Tresses Orchid (Spiranthes cernua) on Little Lake Creek Loop Trail in Sam Houston National Forest. Texas, November 1, 2008
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Flower of nodding Ladies-Tresses Orchid (Spiranthes cernua) on Little Lake Creek Loop Trail in Sam Houston National Forest. Texas, November 1, 2008
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Nodding Ladies-Tresses Orchid (Spiranthes cernua) on Little Lake Creek Loop Trail marked in Sam Houston National Forest. Texas, November 1, 2008
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Nodding Ladies-Tresses Orchids (Spiranthes cernua) on black background on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, October 20, 2018
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White flowers of nodding Ladies-Tresses Orchid (Spiranthes cernua) in a double spiral on Little Lake Creek Loop Trail in Sam Houston National Forest. Texas, November 1, 2008
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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
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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
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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
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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
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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
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Nodding Ladies -Tresses Orchid (Spiranthes cernua) on Lone Star Hiking Trail south from Stubblefield Campground in Sam Houston National Forest. Huntsville, Texas, December 9, 2007
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Nodding Ladies-Tresses Orchid (Spiranthes cernua) on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, June 27, 2019
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Nodding Ladies-Tresses Orchid (Spiranthes cernua) in Lick Creek Park. College Station, Texas, October 17, 2018
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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
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Flowers of nodding Ladies-Tresses Orchid (Spiranthes cernua) in Lick Creek Park. College Station, Texas, October 17, 2018
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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
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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
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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
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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
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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
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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
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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
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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
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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
.../2024/3607/22.htm    similar
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
.../2024/3607/21.htm    similar
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
.../2024/3623/18.htm    similar
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
.../2024/3615/10.htm    similar
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
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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
.../2024/3607/26.htm    similar
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
.../2024/3607/28.htm    similar
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
.../2024/3623/21.htm    similar
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
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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
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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
.../2024/3632/23.htm    similar
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
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Nodding Ladies-Tresses Orchid (Spiranthes cernua) in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 6, 2012
.../2024/3631/16.htm    similar
Arrowwood viburnum (Viburnum dentatum) 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
.../2024/3607/29.htm    similar
Downy lobelia (Purple dewdrop, Lobelia puberula) 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
.../2024/3616/25.htm    similar
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
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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
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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
.../2024/3616/27.htm    similar
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
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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
.../2024/3616/28.htm    similar
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
.../2024/3613/21.htm    similar
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
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Seeds of saw palmetto (Serenoa repens) in animal droppings when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, October 10, 2024
.../2024/3613/19.htm    similar
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
.../2024/3613/15.htm    similar
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
.../2024/3613/23.htm    similar
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
.../2024/3613/17.htm    similar
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
.../2024/3613/16.htm    similar
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
.../2021/3061/06.htm    similar
Ladies-tresses orchid (Spiranthes) on Richards Loop Trail in Sam Houston National Forest. Texas, November 17, 2021
.../2024/3630/23.htm    similar
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
.../2024/3630/25.htm    similar
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
.../2024/3630/26.htm    similar
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
.../2024/3630/21.htm    similar
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
.../2024/3616/24.htm    similar
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
.../2024/3630/31.htm    similar
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
.../2021/3061/07.htm    similar
Flower of ladies-tresses orchid (Spiranthes) on Richards Loop Trail in Sam Houston National Forest. Texas, November 17, 2021
.../2021/3061/09.htm    similar
Close-up of ladies-tresses orchid (Spiranthes) on Richards Loop Trail in Sam Houston National Forest. Texas, November 17, 2021
.../2024/3616/23.htm    similar
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
.../2021/3061/08.htm    similar
Flower spike of ladies-tresses orchid (Spiranthes) on Richards Loop Trail in Sam Houston National Forest. Texas, November 17, 2021
.../2024/3619/21.htm    similar
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
.../2024/3619/22.htm    similar
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
.../2024/3619/23.htm    similar
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
.../2024/3625/34.htm    similar
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
.../2024/3621/22.htm    similar
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
.../2024/3619/25.htm    similar
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
.../2024/3621/23.htm    similar
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
.../2024/3621/24.htm    similar
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
.../2024/3621/14.htm    similar
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
.../2024/3621/21.htm    similar
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
.../2024/3621/17.htm    similar
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
.../2024/3621/18.htm    similar
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
.../2024/3632/15.htm    similar
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
.../2024/3632/17.htm    similar
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
.../2024/3632/16.htm    similar
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

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