 Red leaves of common greenbrier (Smilax rotundifolia) on Richards Loop Trail in Sam Houston National Forest. Texas, January 21, 2024
 Deutero fungus (Neocercosporidium smilacis, Cercospora smilacis) on leaves of common greenbrier (Smilax rotundifolia) on Richards Loop Trail in Sam Houston National Forest. Texas, May 10, 2020
 Dark red spots of Deutero fungus (Neocercosporidium smilacis, Cercospora smilacis) on leaves of common greenbrier (Smilax rotundifolia) on Richards Loop Trail in Sam Houston National Forest. Texas, May 10, 2020
 Circular dark purplish red spots with centers fading with age caused by Deutero fungus (Neocercosporidium smilacis, Cercospora smilacis) on leaves of common greenbrier (Smilax rotundifolia) on Richards Loop Trail in Sam Houston National Forest. Texas, May 10, 2020
 Deutero fungus (Neocercosporidium smilacis, Cercospora smilacis) on leaves of common greenbrier (Smilax rotundifolia) on Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022
 Shoot of greenbrier (Smilax) on Richards Loop Trail in Sam Houston National Forest. Texas, May 10, 2020
 Shoot of greenbrier (Smilax) with tendrils on Richards Loop Trail in Sam Houston National Forest. Texas, May 10, 2020
 Tendrils of greenbrier (Smilax) on Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2020
 Shoot of common greenbrier (Smilax rotundifolia) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 Caterpillar Phosphila turbulenta on a tendril of greenbrier (Smilax) on Richards Loop Trail in Sam Houston National Forest. Texas, April 13, 2024
 Orange caterpillar Phosphila turbulenta on shoots of greenbrier (Smilax) on Richards Loop Trail in Sam Houston National Forest. Texas, April 13, 2024
 Yellow leaves of laurel greenbrier (catbriar, bamboo vine, Smilax laurifolia) on Richards Loop Trail in Sam Houston National Forest. Texas, July 10, 2022
 Young leaves of Muscadine Grape (Vitis rotundifolia) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Young leaves of greenbrier (Smilax) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, March 4, 2023
 Common rush (Juncus effusus(?)) in a small lake on Sand Branch Loop Trail in Sam Houston National Forest near Richards. Texas, November 20, 2020
 Cross section of stems of common rush (Juncus effusus(?)) on Sand Branch Loop Trail in Sam Houston National Forest near Richards. Texas, November 20, 2020
 Tuberous roots of greenbrier vine (smilax) unearthed by animals on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, July 16, 2021
 Common white resupinate polypore mushroom on thin bark of a fallen pine branch on Richards Loop Trail in Sam Houston National Forest, Texas, November 19, 2020
 Muscadine Grape (Vitis rotundifolia) in Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, May 26, 2012
 Leaves of blackjack oak and greenbrier on Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022
 Some common climbing vine on a tree on Four Notch Loop Trail of Sam Houston National Forest near Huntsville. Texas, November 8, 2020
 Common rustgill mushrooms (Gymnopilus penetrans) on rotting pine wood on Richards Loop Trail in Sam Houston National Forest. Texas, December 15, 2020
 Common rustgill mushrooms (Gymnopilus penetrans) on a pine log on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, November 11, 2018
 Green lynx spider on a leaf of greenbrier on Richards Loop Trail in Sam Houston National Forest. Texas, July 29, 2021
 Common hydnoid resupinate mushroom on bark of a dry oak on Four Notch Loop Trail of Sam Houston National Forest near Huntsville. Texas, November 8, 2020
 Common rustgill mushrooms (Gymnopilus penetrans) on a fallen pine on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, November 18, 2019
 Close-up of common hydnoid resupinate mushroom on bark of a dry oak on Four Notch Loop Trail of Sam Houston National Forest near Huntsville. Texas, November 8, 2020
 Cross section of common rustgill mushrooms (Gymnopilus penetrans) on rotting pine wood on Richards Loop Trail in Sam Houston National Forest. Texas, December 15, 2020
 Tremella aurantia mushroom parasitizing common wood rotter Stereum hirsutum on a fallen oak on Richards Loop Trail in Sam Houston National Forest. Texas, September 25, 2020
 Common rustgill mushrooms (Gymnopilus penetrans) with side view on rotting pine wood on Richards Loop Trail in Sam Houston National Forest. Texas, December 15, 2020
 Underside of common rustgill mushrooms (Gymnopilus penetrans) on a fallen pine on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, November 18, 2019
 Greenbrier leaves with rust fungus Puccinia smilacis, collected on Richards Loop Trail in Sam Houston National Forest. Texas, March 9, 2022
 Close-up of a greenbrier leaf with rust fungus Puccinia smilacis, collected on Richards Loop Trail in Sam Houston National Forest. Texas, March 9, 2022
 Underside of greenbrier leaves with rust fungus Puccinia smilacis, collected on Richards Loop Trail in Sam Houston National Forest. Texas, March 9, 2022
 Rust fungus Puccinia smilacis on greenbrier leaves under a microscope, collected on Richards Loop Trail in Sam Houston National Forest. Texas, March 9, 2022
 Common funnel cap mushrooms (Clitocybe gibba, Infundibulicybe gibba) on Sand Branch Loop Trail in Sam Houston National Forest near Richards. Texas, April 1, 2020
 Urediniospores of rust fungus Puccinia smilacis on greenbrier leaves under a microscope, collected on Richards Loop Trail in Sam Houston National Forest. Texas, March 9, 2022
 Urediniospores of rust fungus Puccinia smilacis on greenbrier leaves under a microscope, collected on Richards Loop Trail in Sam Houston National Forest. Texas, March 9, 2022
 Termites under a log on Richards Loop Trail in Sam Houston National Forest. Texas, November 5, 2020
 Common moss on a barkless fallen pine on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, November 26, 2020
 Colony of termites under a log on Richards Loop Trail in Sam Houston National Forest. Texas, November 5, 2020
 Beautyberry (Callicarpa americana) on Richards Loop Trail in Sam Houston National Forest, Texas, November 19, 2020
 Thin shoots of Urochloa(?) grass in a pine forest on Richards Loop Trail in Sam Houston National Forest, Texas, November 19, 2020
 Flameleaf sumac (Rhus lanceolata) on Richards Loop Trail in Sam Houston National Forest, Texas, November 19, 2020
 Woolly growth (gall) on a dry oak leaf on Richards Loop Trail in Sam Houston National Forest. Texas, November 5, 2020
 Branched noseburn (Tragia ramosa) on Richards Loop Trail in Sam Houston National Forest, Texas, November 19, 2020
 Leaves of coralbean (Erythrina herbacea) on Richards Loop Trail in Sam Houston National Forest, Texas, November 19, 2020
 Former cattle lake on Sand Branch Loop Trail in Sam Houston National Forest near Richards. Texas, November 20, 2020
 Purple threeawn grass (Aristida purpurea) on Richards Loop Trail in Sam Houston National Forest, Texas, November 19, 2020
 Eastern hog-nosed snake (Heterodon platirhinos)(?) on Richards Loop Trail in Sam Houston National Forest. Texas, November 5, 2020
 Purple threeawn grass (Aristida purpurea) on Richards Loop Trail in Sam Houston National Forest. Texas, November 5, 2020
 Seeds of bastard pennyroyal (Trichostema dichotomum) on Richards Loop Trail in Sam Houston National Forest. Texas, November 5, 2020
 Shoot of Chinese tallow (Sapium sebiferum) on Richards Loop Trail in Sam Houston National Forest, Texas, November 19, 2020
 Seeds of gayfeather (Liatris) on Sand Branch Loop Trail in Sam Houston National Forest near Richards. Texas, November 20, 2020
 Leaves of Chinese tallow (Sapium sebiferum) on Richards Loop Trail in Sam Houston National Forest, Texas, November 19, 2020
 Southern prairie aster (Eurybia hemispherica) on Richards Loop Trail in Sam Houston National Forest, Texas, November 19, 2020
 Path covered by dry leaves on Sand Branch Loop Trail in Sam Houston National Forest near Richards. Texas, November 20, 2020
 Oak leaves with brown spots caused by a fungus(?) on Richards Loop Trail in Sam Houston National Forest, Texas, November 19, 2020
 Splitbeard bluestem grass (Andropogon ternarius) on Richards Loop Trail in Sam Houston National Forest, Texas, November 19, 2020
 Shoot of Southern wax myrtle (Myrica cerifera) on Richards Loop Trail in Sam Houston National Forest. Texas, November 5, 2020
 Red seeds of coralbean (Erythrina herbacea) on Sand Branch Loop Trail in Sam Houston National Forest near Richards. Texas, November 20, 2020
 Back lit leaves of flameleaf sumac (Rhus lanceolata) on Richards Loop Trail in Sam Houston National Forest, Texas, November 19, 2020
 Fragrant sumac (Rhus aromatica) on Sand Branch Loop Trail in Sam Houston National Forest near Richards. Texas, November 20, 2020
 White crust fungus Dendrothele candida on oak bark on Richards Loop Trail in Sam Houston National Forest. Texas, November 5, 2020
 Seeds of splitbeard bluestem grass (Andropogon ternarius) on Richards Loop Trail in Sam Houston National Forest, Texas, November 19, 2020
 Reddish shoots of some common bush on Richards Loop Trail in Sam Houston National Forest. Texas, April 9, 2022
 Common boneset (Eupatorium perfoliatum) on Richards Loop Trail in Sam Houston National Forest. Texas, October 1, 2022
 Seed pods of coralbean (Erythrina herbacea) on Sand Branch Loop Trail in Sam Houston National Forest near Richards. Texas, November 20, 2020
 Large catalpa-like leaf with pronounced veins on Sand Branch Loop Trail in Sam Houston National Forest near Richards. Texas, November 20, 2020
 Flowers of nodding ladies-tresses orchid (Spiranthes cernua) on Richards Loop Trail in Sam Houston National Forest. Texas, November 5, 2020
 Seeds of slender (long-bristle) Indiangrass (Sorghastrum elliottii) on Richards Loop Trail in Sam Houston National Forest. Texas, November 5, 2020
 Inflorescence of nodding Ladies-Tresses Orchid (Spiranthes cernua) on Richards Loop Trail in Sam Houston National Forest. Texas, November 5, 2020
 Close-up of nodding Ladies-Tresses Orchid (Spiranthes cernua) on Richards Loop Trail in Sam Houston National Forest. Texas, November 5, 2020
 Common ragweed (Ambrosia artemisiifolia) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022
 Common ragweed (Ambrosia artemisiifolia) at Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, June 9, 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
 Yellow leaf of passion flower (Passiflora lutea) on Sand Branch Loop Trail in Sam Houston National Forest near Richards. Texas, November 20, 2020
 Flower spike of nodding ladies-tresses orchid (Spiranthes cernua) on Richards Loop Trail in Sam Houston National Forest. Texas, November 5, 2020
 Tight cluster of Ringless honey mushrooms (Desarmillaria caespitosa, former D. tabescens) on Richards Loop Trail in Sam Houston National Forest. Texas, November 5, 2020
 Common rustgill mushrooms (Gymnopilus penetrans) on Richards Loop Trail in Sam Houston National Forest. Texas, January 9, 2021
 Common funnel mushrooms (Infundibulicybe gibba) on Road FS 203 near Richards Loop Trail in Sam Houston National Forest. Texas, May 1, 2024
 Common blue violet (Viola sororia) on Richards Loop Trail in Sam Houston National Forest. Texas, March 3, 2024
 Dark berries of greenbrier vine (prickly-ivy, smilax, sarsaparilla) taken from Lick Creek Park. College Station, Texas, November 1, 2012
 Close up of berries of greenbrier vine (prickly-ivy, smilax, sarsaparilla) in Lick Creek Park. College Station, Texas, November 6, 2012
 Mature peach-colored fly agaric mushrooms (Amanita persicina) on a grassy path in a sunny sparse pine forest on Richards Loop Trail in Sam Houston National Forest, Texas, November 19, 2020
 Dusty yellow corticioid fungus Drepanospora viridis (Helicoma viride)(?) under a pine log on Richards Loop Trail in Sam Houston National Forest. Texas, November 5, 2020
 Giraffe Spots mushrooms (Peniophora albobadia) on a fallen twig on Sand Branch Loop Trail in Sam Houston National Forest near Richards. Texas, November 20, 2020
 White resupinate polypore mushroom on thin bark of a fallen pine branch on Richards Loop Trail in Sam Houston National Forest, Texas, November 19, 2020
 Common glasscup mushrooms (Orbilia xanthostigma) on a wet pine log on Richards Loop Trail in Sam Houston National Forest. Texas, October 2, 2021
 Flower of common blue violet (Viola sororia) on Richards Loop Trail in Sam Houston National Forest. Texas, March 3, 2024
 Common ragweed (Ambrosia artemisiifolia) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
 Felty shoot of common boneset (Eupatorium perfoliatum) on Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022
 Muscadine grape (Vitus rotundifolia) on Lone Star Hiking Trail in Sam Houston National Forest west from Richards. Texas, March 19, 2019
 Clusters of dark berries of greenbrier vine (prickly-ivy, smilax, sarsaparilla) taken from Lick Creek Park. College Station, Texas, November 1, 2012
 Spherical cluster of berries of greenbrier vine (prickly-ivy, smilax, sarsaparilla) in Lick Creek Park. College Station, Texas, November 6, 2012
 Dissected mature peach-colored fly agaric mushroom (Amanita persicina) on a grassy path on Richards Loop Trail in Sam Houston National Forest, Texas, November 19, 2020
 Common glasscup mushrooms (Orbilia xanthostigma) on a wet pine log without bark on Richards Loop Trail in Sam Houston National Forest. Texas, October 2, 2021
 Common rustgill mushrooms (Gymnopilus penetrans) on a burned pine log on Richards Loop Trail in Sam Houston National Forest. Texas, February 9, 2024
 Texas leaf cutting ant (Atta texana) on a sand mound on Richards Loop Trail in Sam Houston National Forest. Texas, November 5, 2020
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