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Maryland meadow-beauty (Rhexia mariana) 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, October 1, 2024

Maryland meadow-beauty (Rhexia mariana) 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, August 30, 2024

Flower of Maryland meadow-beauty (Rhexia mariana) in Lick Creek Park. College Station, Texas, July 1, 2014

Flower of Maryland meadow-beauty (Rhexia mariana) in Lick Creek Park. College Station, Texas, June 4, 2010

Maryland meadow-beauty (Rhexia mariana) in Lick Creek Park. College Station, June 15, 2008

Flowers of Maryland meadow-beauty (Rhexia mariana) in Lick Creek Park. College Station, Texas, May 28, 2018

Blooming Maryland meadow-beauty (Rhexia mariana) in Lick Creek Park. College Station, Texas, May 28, 2018

Maryland meadow-beauty (Rhexia mariana) in Lick Creek Park. College Station, Texas, July 7, 2012

Maryland meadow-beauty (Rhexia mariana) in Lick Creek Park. College Station, Texas, August 3, 2010

Maryland meadow-beauty (Rhexia mariana) in Lick Creek Park. College Station, Texas, June 14, 2012

Maryland meadow-beauty (Rhexia mariana) in Lick Creek Park. College Station, Texas, June 3, 2018

Maryland meadow-beauty (Rhexia mariana) in Lick Creek Park. College Station, Texas, July 1, 2014

Flowers of Maryland meadow-beauty (Rhexia mariana) in Lick Creek Park. College Station, Texas, July 7, 2012

Maryland meadow-beauty (Rhexia mariana) with yellow curved anthers near Deer Run Trail in Lick Creek Park. College Station, Texas, June 8, 2008

Flower of Maryland meadow-beauty (Rhexia mariana) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 13, 2014

Maryland meadow-beauty (Rhexia mariana) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 13, 2014

Maryland meadow-beauty (Rhexia mariana) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019

Maryland meadow-beauty (Rhexia mariana) in Watson Rare Native Plant Preserve. Warren, Texas, August 2, 2014

Maryland meadow-beauty (Rhexia mariana) on Forest Service Road 203 in Sam Houston National Forest. Texas, July 12, 2020

Maryland meadow-beauty (Rhexia mariana) on Forest Service Road 203 on Richards Loop Trail in Sam Houston National Forest. Texas, July 29, 2021

Fringed meadow beauty (Rhexia petiolata) in Watson Rare Native Plant Preserve. Warren, Texas, August 2, 2014

Yellow meadow beauty (Rhexia lutea) on Pitcher Plant Trail in Big Thicket National Preserve. Warren, Texas, June 22, 2019

Flower of meadow pink on Lick Creek Greenway Trail. College Station, Texas, April 23, 2024

Flower of Pigeon wings (Clitoria mariana) in Lick Creek Park. College Station, Texas, July 10, 2014

Plant with red fluorescence in ultraviolet light in Lick Creek Park. College Station, Texas, October 7, 2024

Spring beauty flowers (Claytonia virginica) in Lick Creek Park. College Station, Texas, February 27, 2024

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

Passion flower (Passiflora foetida) 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 9, 2024

Flower of bastard pennyroyal (Trichostema dichotomum) 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 17, 2024

Close-up of passion flower (Passiflora foetida) 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 9, 2024

Top view of passion flower (Passiflora foetida) 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 9, 2024

Wooden fence of a small foot bridge in ultraviolet light in Lick Creek Park. College Station, Texas, October 6, 2024

Rock rose (Pavonia) in ultraviolet light behind Nature Center in Lick Creek Park. College Station, Texas, October 6, 2024

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

Ringless honey mushrooms (Desarmillaria caespitosa) in ultraviolet light in Lick Creek Park. College Station, Texas, October 7, 2024

Golden reishi mushroom (Ganoderma curtisii) in ultraviolet light in Lick Creek Park. College Station, Texas, October 16, 2024

Side view of passion flower (Passiflora foetida) 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 9, 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

Old cluster of ringless honey mushrooms (Desarmillaria caespitosa) in ultraviolet light in Lick Creek Park. College Station, Texas, October 8, 2024

Close-up of ringless honey mushrooms (Desarmillaria caespitosa) in ultraviolet light in Lick Creek Park. College Station, Texas, October 8, 2024

Golden reishi mushroom (Ganoderma curtisii) near a stump in ultraviolet light in Lick Creek Park. College Station, Texas, October 23, 2024

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

Ripe red raspberry 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, October 13, 2024

Dry leaf of mulberry 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, October 13, 2024

Gills of a cluster of ringless honey mushrooms (Desarmillaria caespitosa) in ultraviolet light in Lick Creek Park. College Station, Texas, October 8, 2024

Side view of ringless honey mushrooms (Desarmillaria caespitosa) in ultraviolet light in Lick Creek Park. College Station, Texas, October 7, 2024

Glowing gills of ringless honey mushrooms (Desarmillaria caespitosa) in ultraviolet light in Lick Creek Park. College Station, Texas, October 8, 2024

Glowing caps of ringless honey mushrooms (Desarmillaria caespitosa) in ultraviolet light in Lick Creek Park. College Station, Texas, October 8, 2024

Glowing gills of ringless honey mushrooms (Desarmillaria caespitosa) in ultraviolet light in Lick Creek Park. College Station, Texas, October 7, 2024

Upper section of a wooden fence of a small foot bridge in ultraviolet light in Lick Creek Park. College Station, Texas, October 6, 2024

Details of caps of ringless honey mushrooms (Desarmillaria caespitosa) in ultraviolet light in Lick Creek Park. College Station, Texas, October 8, 2024

Blooming aster (Symphyotrichum) 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, October 22, 2024

Dog fennel (Eupatorium capillifolium) 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, October 22, 2024

Venation of a dry leaf of mulberry 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, October 13, 2024

Dog fennel (Eupatorium capillifolium) 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, October 13, 2024

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

Caps of ringless honey mushrooms (Desarmillaria caespitosa) partially illuminated by ultraviolet light in Lick Creek Park. College Station, Texas, October 6, 2024

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

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

Bastard pennyroyal (Trichostema dichotomum) 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, October 1, 2024

Wood oats (Chasmanthium latifolium) 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, October 1, 2024

Side view of a cluster of ringless honey mushrooms (Desarmillaria caespitosa) in ultraviolet light in Lick Creek Park. College Station, Texas, October 8, 2024

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

Meadow pink flower in Lick Creek Park. College Station, Texas, May 20, 2014

Meadow pink flower in Lick Creek Park. College Station, Texas, May 22, 2012

Maryland Milkwort (Polygala mariana) in Big Thicket park on Sundew Trail. Texas, April 25, 2009

Maryland Milkwort (Polygala mariana) in Big Thicket park on Sundew Trail. Texas, April 26, 2008

Groundsel bush (seepwillow, Baccharis halimifolia) 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, October 1, 2024

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

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

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

Golden reishi mushroom (Ganoderma curtisii) 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 23, 2024

Mature ringless honey mushrooms (Desarmillaria caespitosa) 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 8, 2024

Caps of ringless honey mushrooms (Desarmillaria caespitosa) 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 8, 2024

Young golden reishi mushroom (Ganoderma curtisii) near a stump 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 16, 2024

Mature cluster of ringless honey mushrooms (Desarmillaria caespitosa) 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 8, 2024

Large old cluster of ringless honey mushrooms (Desarmillaria caespitosa) 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 8, 2024

Section of wild muskmelon (Cucumis melo, Dudaim melon) 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, October 16, 2024

Ringless honey mushrooms (Desarmillaria caespitosa) together with a seedling of a plant 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 8, 2024

Side view of ringless honey mushrooms (Desarmillaria caespitosa) 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 8, 2024

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

Caps of young ringless honey mushrooms (Desarmillaria caespitosa) 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, October 7, 2024

Mature caps of ringless honey mushrooms (Desarmillaria caespitosa) 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 8, 2024

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

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

Golden reishi mushroom (Ganoderma curtisii) on pieces of wood near a stump 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 23, 2024

White mistflower (Havana snakeroot, Ageratina havanensis, Eupatorium havanense) 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, October 16, 2024

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

Acorns fallen from an oak when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Greenway. College Station, Texas, October 26, 2024

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

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

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

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

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

Hornworm caterpillar of Lesser Vine Sphinx Moth (Banded Sphinx Moth, Eumorpha fasciatus) in ultraviolet light in Lick Creek Park. College Station, Texas, October 13, 2024

Tail of Hornworm caterpillar of Lesser Vine Sphinx Moth (Banded Sphinx Moth, Eumorpha fasciatus) in ultraviolet light in Lick Creek Park. College Station, Texas, October 13, 2024

Fallen horse apple (Maclura) in ultraviolet light in Bee Creek Park. College Station, Texas, October 29, 2024

Purple bindweed (Ipomoea cordatotriloba) in ultraviolet light in Bee Creek Park. College Station, Texas, October 14, 2024

Maryland milkwort (Polygala mariana) in Watson Rare Native Plant Preserve. Warren, Texas, August 2, 2014