 Blooming rock-rose (Helianthemum carolinianum) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Rock-rose (Helianthemum carolinianum) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Blooming rock-rose (frostweed, sunrose, Helianthemum carolinianum) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 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
 Blooming Rock-rose (frostweed, sunrose, Helianthemum carolinianum) in Sam Houston National Forest on Little Lake Creek Loop Trail. Richards, Texas, April 4, 2010.
 Rock-rose (Helianthemum carolinianum) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Rock-rose (Helianthemum carolinianum) on Road FS 203 near on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 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 rock-rose (frostweed, sunrose, Helianthemum carolinianum) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Yellow flower of rock-rose (frostweed, sunrose, Helianthemum carolinianum) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Rock-rose (frostweed, sunrose, Helianthemum carolinianum) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 2022
 Yellow flower of Rock-rose (frostweed, sunrose, Helianthemum carolinianum) in Sam Houston National Forest on Little Lake Creek Loop Trail. Richards, Texas, April 4, 2010.
 Rock-rose on Forest Service Road 203 on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Yellow flower of rock-rose (frostweed, sunrose, Helianthemum carolinianum) in Bastrop State Park. Bastrop, Texas, April 25, 2021
 Blooming rose vervain (Glandularia canadensis) on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Early blooming hawthorn on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Blooming Macartney rose (Rosa bracteata) on Richards Loop Trail in Sam Houston National Forest. Texas, April 28, 2020
 Blooming gayfeather (Liatris) on Richards Loop Trail in Sam Houston National Forest. Texas, September 16, 2023
 Rose vervain (Glandularia canadensis) on Richards Loop Trail in Sam Houston National Forest. Texas, February 28, 2023
 Blooming hawthorn on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Blooming blackberry on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Blooming blackberry on Road FS 203 near on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Rose vervain (Glandularia canadensis) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Rose vervain (Glandularia canadensis) on Richards Loop Trail in Sam Houston National Forest. Texas, March 3, 2024
 Rose vervain (Glandularia canadensis) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Rose vervain (Glandularia canadensis) on Road FS 203 near on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Blooming Carolina jessamine (Gelsemium sempervirens) on Richards Loop Trail in Sam Houston National Forest. Texas, March 3, 2024
 Blooming nodding beardtongue (Penstemon laxiflorus) on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Blooming woolly-white (Hymenopappus) on Road FS 203 near 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
 Blooming dewberry (Rubus) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, March 29, 2009
 Some blooming tree like a maple at Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, March 8, 2019
 Rose vervain (Glandularia canadensis) at Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, March 8, 2019
 Rose vervain (Glandularia canadensis) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, March 8, 2020
 Rose vervain (Glandularia canadensis) in dew on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, March 8, 2020
 Blooming lyreleaf sage (Salvia lyrata) on Road FS 203 near Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Rose-tinted Amanita mushroom (Amanita roseotincta, A. roseitincta) at road FS 203 near Richards Loop Trail in Sam Houston National Forest. Texas, April 25, 2023
 Flowers of rose vervain (Glandularia canadensis) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, March 8, 2020
 Flowers of rose vervain (Glandularia canadensis) at Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, March 8, 2019
 Underside of rose-tinted Amanita mushroom (Amanita roseotincta, A. roseitincta) at road FS 203 near Richards Loop Trail in Sam Houston National Forest. Texas, April 25, 2023
 Winged elm on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Shoot of oak on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Cross section of rose-tinted Amanita mushroom (Amanita roseotincta, A. roseitincta) at road FS 203 near Richards Loop Trail in Sam Houston National Forest. Texas, April 25, 2023
 Red young leaves of oak on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Rusty shoot of oak on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Flowers of hawthorn on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Some rusty oak seedling on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Red wrinkled leaves of an oak on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Leaves of sassafras on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Forest Service Road 203 on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Blooming yellow wood sorrel (shamrock, Oxalis dillenii?) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, March 29, 2009
 Blooming downy phlox (Phlox pilosa) on Richards Loop Trail in Sam Houston National Forest. Texas, March 26, 2020
 Pines near Forest Service Road 203 on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Fiddlehead of bracken fern on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Young orange leaves of an oak on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Fresh green leaves of oak on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Young wrinkled leaves of an oak on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Spider on leaves of beautyberry on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Close-up of luna moth on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Wrinkled young leaves of oak on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Back lit leaves of willow oak on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Back lit leaves of sassafra on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Blooming May apple (Podophyllum peltatum) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, March 4, 2023
 Leaves of farkleberry (Vaccinium arboreum)(?) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Young leaves and flowers of hawthorn on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Rattan vine (Berchemia scandens) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Green milkweed (Asclepias viridis) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Red young leaves of mustang grape on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Carolina buckthorn (Frangula caroliniana) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Reddish young leaves and flowers of hawthorn on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Black swallowtail butterfly (Papilio polyxenes) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Shoot of bracken fern (Pteridium aquilinum) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Fiddleheads of bracken fern (Pteridium aquilinum) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Red leaves and flower buds of mustang grape on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Fresh leaves of bracken fern (Pteridium aquilinum) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Young leaves of rattan vine (Berchemia scandens) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Uncurling leaf of bracken fern (Pteridium aquilinum) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Head of black swallowtail butterfly (Papilio polyxenes) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Lichen Trypethelium carolinianum (Bathelium carolinianum) on an oak on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville. Texas, January 26, 2019
 Pattern of a young leaf of bracken fern (Pteridium aquilinum) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Warty lichen Trypethelium carolinianum (Bathelium carolinianum) on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville. Texas, January 26, 2019
 Warts of lichen Trypethelium carolinianum (Bathelium carolinianum) on an oak on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville. Texas, January 26, 2019
 Warty lichen Trypethelium carolinianum (Bathelium carolinianum) on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville. Texas, January 26, 2019
 Close-up of a tail section of black swallowtail butterfly (Papilio polyxenes) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Blooming aster on Richards Loop Trail in Sam Houston National Forest. Texas, October 20, 2024
 Blooming dewberry on Richards Loop Trail in Sam Houston National Forest. Texas, April 9, 2022
 Blooming hawthorn on Richards Loop Trail in Sam Houston National Forest. Texas, April 9, 2022
 Blooming hawthorn on Richards Loop Trail in Sam Houston National Forest. Texas, April 9, 2022
 Rusty blackhaw viburnum (Viburnum rufidulum) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Blooming gayfeather (Liatris) on Richards Loop Trail in Sam Houston National Forest. Texas, August 15, 2021
 Macartney rose (Rosa bracteata) on Richards Loop Trail in Sam Houston National Forest. Texas, April 28, 2020
 Rose vervain (Glandularia canadensis) on Richards Loop Trail in Sam Houston National Forest. Texas, April 9, 2022
 Macartney rose (Rosa bracteata) at Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, June 9, 2022
 Blooming orange milkweed (Asclepias tuberosa) on Richards Loop Trail in Sam Houston National Forest. Texas, May 10, 2020
 Blooming poison ivy (Toxicodendron radicans) on Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 2022
 Blooming Lindheimer s beebalm (Monarda lindheimeri) on Richards Loop Trail in Sam Houston National Forest. Texas, May 10, 2020
 Blooming mistflower (Eupatorium coelestinum) on Richards Loop Trail in Sam Houston National Forest. Texas, October 1, 2022
 Blooming butterfly pea (Centrosema virginianum) on Richards Loop Trail in Sam Houston National Forest. Texas, July 12, 2020
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