Similar pictures

Leaf of an aquatic plant in ultraviolet light from Richards Loop Trail in Sam Houston National Forest. Texas, October 27, 2024

Cap of a brittlegill (Russula) mushroom both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Richards Loop Trail in Sam Houston National Forest near Montgomery. Texas, September 6, 2024

Basket grass (Oplismenus hirtellus) both in natural light and under 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

Underside of a brittlegill (Russula) mushroom both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Richards Loop Trail in Sam Houston National Forest near Montgomery. Texas, September 6, 2024

Section of a brittlegill (Russula) mushroom both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Richards Loop Trail in Sam Houston National Forest near Montgomery. Texas, September 6, 2024

Cross section of a bolete mushroom both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Richards Loop Trail in Sam Houston National Forest near Montgomery. Texas, September 6, 2024

Blooming mountain mint (Pycnanthemum tenuifolium) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Richards Loop Trail in Sam Houston National Forest near Montgomery. Texas, September 6, 2024

Violet wood sorrel (Oxalis violacea) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Richards Loop Trail in Sam Houston National Forest near Montgomery. Texas, September 6, 2024

Flowers of St. Andrew cross (Hypericum, Ascyrum hypericoides) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Richards Loop Trail in Sam Houston National Forest. Texas, September 21, 2024

Shoots of loblolly pine (Pinus taeda) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Richards Loop Trail in Sam Houston National Forest near Montgomery. Texas, September 6, 2024

Elegant gayfeather (pinkscale, Liatris hesperelegans, former L. elegans) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Richards Loop Trail in Sam Houston National Forest near Montgomery. Texas, September 6, 2024

Section of a false truffle (Rhizopogon) with a parasitic fungus Hypomyces chrysospermus in ultraviolet light from Richards Loop Trail in Sam Houston National Forest near Montgomery. Texas, September 6, 2024

Soft green-eyes (Berlandiera pumila) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, October 19, 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

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

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

Seeds of saw palmetto (Serenoa repens) in animal droppings, together with seeds of other plants in ultraviolet light on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, October 10, 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

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

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

Fluffy seeds of split bluestem grass (feather beardgrass, Andropogon ternarius) on Richards Loop Trail in Sam Houston National Forest. Texas, October 20, 2024

Fluffy seeds of split bluestem grass (feather beardgrass, Andropogon ternarius) on Richards Loop Trail in Sam Houston National Forest. Texas, October 20, 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

Pore surface of turkeytail mushrooms (Trametes versicolor) in ultraviolet light from Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, September 2, 2024

Receptacles of beefsteak plant (Perilla frutescens) in ultraviolet light from Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, October 10, 2024

Close-up of receptacles of beefsteak plant (Perilla frutescens) in ultraviolet light from Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, October 10, 2024

Light brown fibrecap (Inocybe) mushrooms on Richards Loop Trail in Sam Houston National Forest. Texas, May 1, 2024

Hairy leaves of bluestem grass on Richards Loop Trail in Sam Houston National Forest. Texas, August 28, 2021

White flowers of aster Symphyotrichum drummondii both in natural light and under 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

Seeds of beefsteak plant (Perilla frutescens) both in natural light and under 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

Caps of polypore mushrooms Ganoderma sessile both in natural light and under 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

Some small grass on Road FS 203 near on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024

Spores (in lugol) of light brown fibrecap (Inocybe) mushrooms collected on Richards Loop Trail in Sam Houston National Forest. Texas, May 1, 2024

Blue eyed grass (Sisyrinchium) on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024

Bluestem grass on Richards Loop Trail in Sam Houston National Forest. Texas, October 1, 2022

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

Dry seeds of little bluestem grass (Schizachyrium scoparium)(?) on Richards Loop Trail in Sam Houston National Forest. Texas, January 21, 2024

Yellow star-grass (Hypoxis hirsuta) on Richards Loop Trail in Sam Houston National Forest. Texas, March 3, 2024

Blooming blue eyed grass (Sisyrinchium) on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024

Flowers of blue eyed grass (Sisyrinchium) on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024

Purple threeawn grass (Aristida purpurea) on Richards Loop Trail in Sam Houston National Forest. Texas, January 21, 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

Dry stems with seeds of little bluestem grass (Schizachyrium scoparium)(?) on Richards Loop Trail in Sam Houston National Forest. Texas, January 21, 2024

Young leaves of oak on Richards Loop Trail in Sam Houston National Forest. Texas, April 13, 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

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

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

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

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

Fluffy seeds of of silver bluestem grass (Bothriochloa laguroides)(?) on Richards Loop Trail in Sam Houston National Forest. Texas, January 21, 2024

Woolly rosette grass (Dichanthelium scabriusculum) on road FS203 near Richards Loop Trail in Sam Houston National Forest. Texas, April 13, 2024

Young leaves of sassafras on Richards Loop Trail in Sam Houston National Forest. Texas, April 13, 2024

Some young back lit leaves on Richards Loop Trail in Sam Houston National Forest. Texas, April 13, 2024

Young reddish leaves of oak on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024

Fallen fruits of trifoliate orange (Poncirus trifoliata) with citrus blue mold fungus Penicillium italicum both in natural light and under 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

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

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

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

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

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

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

Flowers of woolly rosette grass (Dichanthelium scabriusculum) on road FS203 near Richards Loop Trail in Sam Houston National Forest. Texas, April 13, 2024

Dry seeds of split bluestem grass (feather beardgrass, Andropogon ternarius) on Richards Loop Trail in Sam Houston National Forest. Texas, January 21, 2024

Melanoleuca mushrooms on sandy soil with grass of Forest Service Road 203 on Richards Loop Trail in Sam Houston National Forest. Texas, October 13, 2021

Rosette of leaves of Lactuca(?) on FS203 near Richards Loop Trail in Sam Houston National Forest. Texas, February 21, 2024

Hairy leaves of spiderwort (Tradescantia) on Richards Loop Trail in Sam Houston National Forest. Texas, January 21, 2024

Phylloxera galls on hickory leaves on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024

Young leaves of hickory on Road FS 203 near on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024

King ranch bluestem grass (Bothriochloa ischaemum) on Richards Loop Trail in Sam Houston National Forest. Texas, October 1, 2022

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

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

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

Fluffy seeds of split bluestem grass (feather beardgrass, Andropogon ternarius) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, January 21, 2024

Fluffy dry seeds of split bluestem grass (feather beardgrass, Andropogon ternarius) on Richards Loop Trail in Sam Houston National Forest. Texas, January 21, 2024

Fluffy seeds of split bluestem grass (feather beardgrass, Andropogon ternarius) on Richards Loop Trail in Sam Houston National Forest. Texas, January 21, 2024

Leaves of purple bindweed (Ipomoea cordatotriloba) with insect holes both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Bee Creek Park. College Station, Texas, October 4, 2024

Leaves of beaked hawkweed (Hieracium gronovii) on Richards Loop Trail in Sam Houston National Forest. Texas, February 21, 2024

Red leaves of common greenbrier (Smilax rotundifolia) on Richards Loop Trail in Sam Houston National Forest. Texas, January 21, 2024

White Amanita mushroom on roadside with disturbed sandy soil with pine needles, oak leaves and some grass, in a pine forest at Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, December 9, 2021

Split bluestem grass (feather beardgrass, Andropogon ternarius) on Richards Loop Trail in Sam Houston National Forest. Texas, October 1, 2022

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

Field of split bluestem grass (feather beardgrass, Andropogon ternarius) under pines, view from Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, January 21, 2024

Close-up of fluffy seeds of split bluestem grass (feather beardgrass, Andropogon ternarius) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, January 21, 2024

Pattern of fluffy seeds of split bluestem grass (feather beardgrass, Andropogon ternarius) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, January 21, 2024

Velvet panicum grass (Dichanthelium scoparium)(?) in ultraviolet light on Racoon Run Trail in Lick Creek Park. College Station, Texas, November 15, 2024

Soft light brown resupinate polypore mushroom exuding drops of water on North Wilderness Loop Trail in Sam Houston National Forest near Richards. Texas, October 8, 2020

Hairy leaves of beaked hawkweed (Hieracium gronovii) on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024

Trilobed leaves of paper mulberry (Broussonetia papyrifera) on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024

Spores of white resupinate polypore mushroom on a cut surface of a pine log from Richards Loop Trail in Sam Houston National Forest, collected 11/5/2024. Texas, October 11, 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

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

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

Rosette of leaves of woolly-white (Hymenopappus artemisiaefolius) on FS203 near Richards Loop Trail in Sam Houston National Forest. Texas, February 21, 2024

Malformed leaves of bracken fern (Pteridium aquilinum) on Road FS 203 near Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024

Rosette of hairy leaves of beaked hawkweed (Hieracium gronovii) on Richards Loop Trail in Sam Houston National Forest. Texas, February 21, 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

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