 Common blue violet (Viola sororia) on Richards Loop Trail in Sam Houston National Forest. Texas, March 3, 2024
 Common blue violet (Viola sororia) on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, February 9, 2019
 Common blue violet (Viola sororia) in Lick Creek Park. College Station, Texas, February 27, 2024
 Flower of blue violet (Viola) in a pine forest at Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, March 8, 2019
 Early spring violet (Viola) flower on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, December 24, 2019
 Missouri violet (Viola missouriensis) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, March 8, 2020
 Common blue violet (Viola) flower in a forest in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, May 16, 2019
 Birdfoot violet (Viola pedata) under pines on Four Notch Loop Trail of Sam Houston National Forest near Huntsville. Texas, March 23, 2019
 Missouri violet (Viola missouriensis) on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, March 3, 2021
 Flowers of nirdfoot violet (Viola pedata) on Four Notch Loop Trail of Sam Houston National Forest near Huntsville. Texas, March 23, 2019
 Missouri violet (Viola missouriensis) and pine needles on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, March 3, 2021
 Violet wood sorrel (Oxalis violacea) on Richards Loop Trail in Sam Houston National Forest. Texas, March 3, 2024
 Blue flower of southern prairie aster (Eurybia hemispherica) on Richards Loop Trail in Sam Houston National Forest. Texas, October 20, 2024
 Missouri violet (Viola missouriensis) at Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, March 13, 2021
 Blue spiderwort (Tradescantia) flowers on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Blue eyed grass (Sisyrinchium) on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Veined flower of blue violet on Little Lake Creek Loop Trail in Sam Houston National Forest. Richardson, Texas, February 22, 2009
 Flowers of blue eyed grass (Sisyrinchium) on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Blooming blue eyed grass (Sisyrinchium) on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Blue flower of spring violet (viola) in Lisiy Nos, west from Saint Petersburg. Russia, June 1, 2017
 Flower of blackberry on Forest Service Road 203 on Richards Loop Trail in Sam Houston National Forest. Texas, March 3, 2024
 Blue violet (Viola) flower in Upper Park in Lomonosov (Oranienbaum). West from Saint Petersburg, Russia, May 23, 2017
 Missouri violet (Viola missouriensis) on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, March 3, 2022
 Flower of violet ruella (Ruellia nudiflora) in Sam Houston National Forest, on Little Lake Creek Loop Trail. Richards, Texas, May 18, 2014
 Blue violet (Viola) in Antique Rose Emporium. Independence, Texas, March 6, 2023
 Yellow trumpet of Carolina jessamine and a blue violet on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, March 13, 2022
 Yellow flower of rock-rose (Helianthemum carolinianum) on Road FS 203 near on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Flower of Violet Wood Sorrel (Oxalis violacea) in Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, October 22, 2011
 Bog white violet (Viola lanceolata) in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, March 20, 2021
 Bog white violet (Viola lanceolata) in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, March 10, 2019
 Common funnel mushrooms (Infundibulicybe gibba) on Road FS 203 near Richards Loop Trail in Sam Houston National Forest. Texas, May 1, 2024
 Red leaves of common greenbrier (Smilax rotundifolia) on Richards Loop Trail in Sam Houston National Forest. Texas, January 21, 2024
 Blue flower of dayflower (Commelina) in Sam Houston National Forest, on Little Lake Creek Loop Trail. Richards, Texas, May 18, 2014
 Blue flower of Spiderwort (Tradescantia) in Sam Houston National Forest, on Little Lake Creek Loop Trail. Richards, Texas, May 18, 2014
 Blue flower of Commelina on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 13, 2014
 Blue flower of Commelina on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 13, 2014
 Blooming bog white violet (Viola lanceolata) in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, March 10, 2019
 Flowers of bog white violet (Viola lanceolata) in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, March 10, 2019
 Common rustgill mushrooms (Gymnopilus penetrans) on a burned pine log on Richards Loop Trail in Sam Houston National Forest. Texas, February 9, 2024
 Violet wood sorrel (shamrock, Oxalis violacea) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Violet wood sorrel (shamrock, Oxalis violacea) on Richards Loop Trail in Sam Houston National Forest. Texas, March 26, 2020
 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 Missouri violet (Viola missouriensis) together with early buttercup (Ranunculus fascicularis) in wet area on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, March 2, 2022
 Opening flower of blue waterleaf (Hydrolea ovata) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 20, 2008
 Flower of azure blue sage (Salvia azurea) on Sand Branch Loop Trail in Sam Houston National Forest near Richards. Texas, November 3, 2019
 Violet (Viola) flower in Antique Rose Emporium. Independence, Texas, March 13, 2020
 Blue eyed grass (Sisyrinchium) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 White flowers of bog white violet (Viola lanceolata) in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, March 10, 2019
 Blue violet on Little Lake Creek Loop Trail in Sam Houston National Forest. Richardson, Texas, February 22, 2009
 Spring violet (Viola) flower in Lick Creek Park. College Station, Texas, March 26, 2018
 Flowers of blue eyed grass (Sisyrinchium) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Close up of blue violet on Little Lake Creek Loop Trail in Sam Houston National Forest. Richardson, Texas, February 22, 2009
 Pink powderpuff flower (Mimosa strigillosa) on Richards Loop Trail in Sam Houston National Forest. Texas, May 1, 2024
 Blue spiderwort (tradescantia) flowers on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, March 29, 2009
 Violet ruella (Ruellia caroliniensis) flower on a trail in Sam Houston National Forest, near Road 149, near Richards. Texas, May 15, 2010
 Blooming pink powderpuff flower (Mimosa strigillosa) on Richards Loop Trail in Sam Houston National Forest. Texas, May 1, 2024
 Pink powderpuff flower (Mimosa strigillosa) on Richards Loop Trail in Sam Houston National Forest. Texas, April 13, 2024
 Flowers of Blue eyed grass (Sisyrinchium) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, March 29, 2009
 Blue flower of downy lobelia (Purple dewdrop, Lobelia puberula) in Sam Houston National Forest, on Little Lake Creek Loop Trail. Richards, Texas, August 10, 2008
 Flower buds of orange milkweed (Asclepias tuberosa) on Richards Loop Trail in Sam Houston National Forest. Texas, April 13, 2024
 Flowers of Blue eyed grass (Sisyrinchium), backlit, on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, March 29, 2009
 Flower of blackberry on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Dry flower bracts of beefsteak plant (Perilla frutescens) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, January 21, 2024
 Violet ruella (Ruellia caroliniensis) flower with water drops on a trail in Sam Houston National Forest, near Road 149, near Richards. Texas, May 15, 2010
 Flower buds of white-flowered milkweed (Asclepias variegata) on Richards Loop Trail in Sam Houston National Forest. Texas, April 13, 2024
 Blue violet (Viola) near a railroad near Orekhovo, north from Saint Petersburg. Russia, May 31, 2019
 Shoot of peppervine on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Flower of dewberry at Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, March 8, 2019
 Blue spring violet (viola) in Lisiy Nos, west from Saint Petersburg. Russia, June 1, 2017
 Common eyelash mushrooms (Scutellinia scutellata(?)) on muddy soil on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, March 24, 2024
 Flower of violet wood sorrel (Oxalis violacea) on Lone Star Hiking Trail in Sam Houston National Forest west from Richards. Texas, April 9, 2019
 Young reddish leaves of oak on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Blooming blackberry on Road FS 203 near on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Some small grass on Road FS 203 near on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Shoot of hickory on Road FS 203 near on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Shoot of mustang grape on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Red leaves and flower buds of mustang grape on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Flower of dewberry with a stilt bug at Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, March 8, 2019
 Blue spring violet (viola) in Alexandria Park in Peterhof, west from Saint Petersburg. Russia, May 22, 2015
 Spores (in lugol) of common eyelash mushrooms (Scutellinia scutellata(?)) collected on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, March 24, 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
 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
 Missouri Violet (Viola missouriensis) in low lying area in area of Caney Creek crossing on Lone Star Hiking Trail in Sam Houston National Forest near Huntsville, Texas, February 9, 2020
 Yellow flower of rock-rose (Helianthemum carolinianum) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Yellow flower of rock-rose (Helianthemum carolinianum) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Rose vervain (Glandularia canadensis) on Richards Loop Trail in Sam Houston National Forest. Texas, March 3, 2024
 Young leaves of hickory on Road FS 203 near on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Nodding beardtongue (Penstemon laxiflorus) on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 White flowers of blackberry on Road FS 203 near on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Woolly-white (Hymenopappus) on Road FS 203 near Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Lyreleaf sage (Salvia lyrata) on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 White fleshy Amanita mushrooms on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Daisy fleabane (Erigeron) on Road FS 203 near on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Small bluets (Hedyotis crassifolia) on Richards Loop Trail in Sam Houston National Forest. Texas, March 3, 2024
 Green milkweed (Asclepias viridis) on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Phylloxera galls on hickory leaves on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Yellow flowers of sunflower family on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Underside of fieldcap (Agrocybe)(?) mushroom on Richards Loop Trail in Sam Houston National Forest. Texas, March 3, 2024
 Globe beak-rush (Rhynchospora) on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
|