 Young leaves of chamberbitter plant (stonebreaker, Phyllanthus niruri) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2022
 Chamberbitter plant (stonebreaker, Phyllanthus niruri) on Richards Loop Trail in Sam Houston National Forest. Texas, August 15, 2021
 Chamberbitter plant (stonebreaker, Phyllanthus niruri) on Richards Loop Trail in Sam Houston National Forest. Texas, August 28, 2021
 Chamberbitter plant (stonebreaker, Phyllanthus niruri) on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, July 20, 2019
 Leaves of chamberbitter plant (stonebreaker, Phyllanthus niruri) on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, July 20, 2019
 Seedlings of chamberbitter plant (stonebreaker, Phyllanthus niruri) on the median strip of Al Istiqlal Street in Onaiza area. Doha, Qatar, April 13, 2016
 Chamberbitter weeds (stonebreaker, Phyllanthus niruri) on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, August 11, 2019
 Seeds of chamberbitter weeds (stonebreaker, Phyllanthus niruri) on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, August 11, 2019
 Chamberbitter plant (stonebreaker, Phyllanthus) on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, June 11, 2019
 Green carpet of chamberbitter plant (stonebreaker, Phyllanthus) on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, June 11, 2019
 Chamberbitter plant (stonebreaker, Phyllanthus niruri) near Dunes Hotel in West Bay. Doha, Qatar, April 22, 2014
 Chamberbitter plant (stonebreaker, Phyllanthus niruri) with flowers found near Ezdan Hotel in West Bay. Doha, Qatar, August 29, 2014
 Chamberbitter weeds (stonebreaker, Phyllanthus niruri) near Dunes Hotel in West Bay. Doha, Qatar, April 22, 2014
 Chamberbitter weeds (stonebreaker, Phyllanthus niruri) on sidewalk of Al Shatt Street in Onaiza area. Doha, Qatar, April 30, 2015
 Chamberbitter weeds (stonebreaker, Phyllanthus niruri) on the median strip of Al Istiqlal Street in Onaiza area. Doha, Qatar, April 13, 2016
 Chamberbitter weeds (stonebreaker, Phyllanthus niruri) growing from a crevice on sidewalk of Meshrif Street in Onaiza area. Doha, Qatar, February 16, 2016
 Chamberbitter weed (stonebreaker, Phyllanthus niruri) in a small vegetable garden on Ammouriya Street in Onaiza area. Doha, Qatar, June 21, 2015
 Seedlings of leaf-flower plant Phyllanthus niruri under pines on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, April 17, 2024
 Leaf-flower plant Phyllanthus niruri and other seedlings along a path on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, April 17, 2024
 Beefsteak plant (Perilla frutescens) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2022
 Hundreds of orange seedlings of leaf-flower plant Phyllanthus niruri on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, April 17, 2024
 Close-up of orange seedlings of leaf-flower plant Phyllanthus niruri on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, April 17, 2024
 Dense covering of sides of a path by orange seedlings of leaf-flower plant Phyllanthus niruri on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, April 17, 2024
 Dense carpet of seedlings of leaf-flower plant Phyllanthus niruri on sides of a path under pines after a prescribed burn on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, April 17, 2024
 Antlion (doodlebug) funnel pits on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2022
 Common ragweed (Ambrosia artemisiifolia) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest near Montgomery. Texas, July 19, 2022
 Road FS203A at crossing with Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022
 Forest Service Road 203 on Richards Loop Trail in Sam Houston National Forest. Texas, February 6, 2022
 Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, August 11, 2022
 Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, June 9, 2022
 Invasive plants of stonebreaker (Phyllanthus) on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, June 11, 2019
 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
 Woolly-white (Hymenopappus) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 2022
 Purple bindweed (Ipomoea cordatotriloba) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022
 Common ragweed (Ambrosia artemisiifolia) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022
 Resupinate polypore mushroom on a pine log on Forest Service Road 203 on Richards Loop Trail in Sam Houston National Forest. Texas, February 6, 2022
 Lyreleaf sage (Salvia lyrata) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, March 23, 2022
 Common ragweed (Ambrosia artemisiifolia) at Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, June 9, 2022
 Blooming woolly-white (Hymenopappus) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 2022
 Top view of a shoot of gayfeather (Liatris) at Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, June 9, 2022
 Macartney rose (Rosa bracteata) at Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, June 9, 2022
 Canada wild rye (Elymus canadensis)(?) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022
 Black eyed susan (Rudbeckia hirta) at Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, June 9, 2022
 Spikes of Canada wild rye (Elymus canadensis)(?) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022
 Baptisia nuttalliana (Nuttall s wild indigo) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 2022
 Surprise webcap mushrooms (Cortinarius semisanguineus) near Forest Service Road 203 on Richards Loop Trail in Sam Houston National Forest. Texas, February 27, 2022
 White-flowered milkweed (Asclepias variegata) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 2022
 Three dry flowers of black eyed susan (Rudbeckia hirta) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022
 Rock-rose (frostweed, sunrose, Helianthemum carolinianum) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 2022
 Dry flowers of black eyed susan (Rudbeckia hirta) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022
 Underside of surprise webcap mushrooms (Cortinarius semisanguineus) near Forest Service Road 203 on Richards Loop Trail in Sam Houston National Forest. Texas, February 27, 2022
 Gills of surprise webcap mushrooms (Cortinarius semisanguineus) near Forest Service Road 203 on Richards Loop Trail in Sam Houston National Forest. Texas, February 27, 2022
 Fruit of Nuttall s wild indigo (Baptisia nuttalliana) at Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, June 9, 2022
 Black eyed susan (Rudbeckia hirta) with bracken fern at Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, June 9, 2022
 Dried flower of black eyed susan (Rudbeckia hirta) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022
 Surprise webcap mushrooms (Cortinarius semisanguineus) among pine needles near Forest Service Road 203 on Richards Loop Trail in Sam Houston National Forest. Texas, February 27, 2022
 Skunk in tail-high threat posture among bracken fern on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022
 Green seeds with hooks of black snakeroot (Sanicula marilandica) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022
 Half-dry flowers of black eyed susan (Rudbeckia hirta) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022
 Drying flower of black eyed susan (Rudbeckia hirta) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022
 Amanita sect. Lepidella mushroom on roadside of Forest Service Road 203 on Richards Loop Trail in Sam Houston National Forest. Texas, July 21, 2021
 Maryland meadow-beauty (Rhexia mariana) on Forest Service Road 203 on Richards Loop Trail in Sam Houston National Forest. Texas, July 29, 2021
 Underside of Amanita sect. Lepidella mushroom on roadside of Forest Service Road 203 on Richards Loop Trail in Sam Houston National Forest. Texas, July 21, 2021
 Blue waterleaf (Hydrolea ovata) near Forest Service Road 203 in Sam Houston National Forest near Richards. Texas, July 10, 2022
 Cross section of Amanita sect. Lepidella mushroom on roadside of Forest Service Road 203 on Richards Loop Trail in Sam Houston National Forest. Texas, July 21, 2021
 Allantoid spores of resupinate polypore mushroom Skeletocutis odora (spore size 3.44-3.8 x 1-1.1) on a side of a thick pine log in a shallow ditch on roadside of Forest Service Road 203 collected 1/26/2022 on Richards Loop Trail in Sam Houston National Forest. Texas, January 27, 2022
 Flowers of blue waterleaf (Hydrolea ovata) near Forest Service Road 203 in Sam Houston National Forest near Richards. Texas, July 10, 2022
 Blooming blue waterleaf (Hydrolea ovata) near Forest Service Road 203 in Sam Houston National Forest near Richards. Texas, July 10, 2022
 Resupinate polypore mushroom Skeletocutis odora on a side of a thick pine log in a shallow ditch on roadside of Forest Service Road 203 on Richards Loop Trail in Sam Houston National Forest. Texas, January 26, 2022
 Texture of resupinate polypore mushroom Skeletocutis odora on a side of a thick pine log in a shallow ditch on roadside of Forest Service Road 203 on Richards Loop Trail in Sam Houston National Forest. Texas, January 26, 2022
 Close-up of resupinate polypore mushroom Skeletocutis odora on a side of a thick pine log in a shallow ditch on roadside of Forest Service Road 203 on Richards Loop Trail in Sam Houston National Forest. Texas, January 26, 2022
 Forest Service Road 203 on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, December 9, 2021
 Pines near Forest Service Road 203 on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Pines at Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, December 9, 2021
 Rock-rose on Forest Service Road 203 on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Forest Service Road 203 on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 23, 2018
 Melanoleuca mushrooms on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, December 28, 2021
 Forest Service Road 203A at sunrise on Richards Loop Trail in Sam Houston National Forest. Texas, August 21, 2020
 Flower of blackberry on Forest Service Road 203 on Richards Loop Trail in Sam Houston National Forest. Texas, March 3, 2024
 Melanoleuca mushrooms at Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, December 9, 2021
 Melanoleuca mushroom on Forest Service Road 203 on Richards Loop Trail in Sam Houston National Forest. Texas, November 17, 2021
 Underside of Melanoleuca mushroom on Forest Service Road 203 on Richards Loop Trail in Sam Houston National Forest. Texas, November 17, 2021
 View from Forest Service Road 203 on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 23, 2018
 Yellow pot-plant mushrooms (Leucocoprinus birnbaumii) on Forest Service Road 203 in Sam Houston National Forest. Richards, Texas, September 28, 2013
 Gymnopus biformis mushrooms growing on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, October 2, 2021
 Melanoleuca mushrooms at Forest Service Road 203 on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 23, 2018
 Underside of white Amanita mushroom at Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, December 9, 2021
 Yellow berries of horsenettle (Solanum carolinense) on Forest Service Road 203 near 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
 Seeds of bushy bluestem (Andropogon glomeratus) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, January 21, 2024
 Melanoleuca mushrooms on roadside of Forest Service Road 203 on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 23, 2018
 Fluffy seeds of dog fennel (Eupatorium capillifolium) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, January 21, 2024
 Cross section of white Amanita mushroom at Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, December 9, 2021
 Melanoleuca mushrooms growing on pine needles of Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, October 2, 2021
 Leaves of leaf-flower plant Phyllanthus niruri when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight near Pole Creek on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, August 31, 2024
 Young leaf-flower plant Phyllanthus niruri when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight near Pole Creek on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, August 31, 2024
 Puffball mushrooms Lycoperdon radicatum (Bovistella radicata) on Forest Service Road 203 on Richards Loop Trail in Sam Houston National Forest. Texas, October 13, 2021
 Side view of Melanoleuca mushrooms at Forest Service Road 203 on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 23, 2018
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