 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
 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
 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
 Greenbrier leaves 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
 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
 Red leaves of common greenbrier (Smilax rotundifolia) on Richards Loop Trail in Sam Houston National Forest. Texas, January 21, 2024
 Thorns of common greenbrier (Smilax rotundifolia) on Richards Loop Trail in Sam Houston National Forest, Texas, November 19, 2020
 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
 Shoot of greenbrier (Smilax) 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 greenbrier (Smilax) with tendrils on Richards Loop Trail in Sam Houston National Forest. Texas, May 10, 2020
 Yellow leaves of laurel greenbrier (catbriar, bamboo vine, Smilax laurifolia) on Richards Loop Trail in Sam Houston National Forest. Texas, July 10, 2022
 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
 Leaves of hairy bush clover (Lespedeza hirta) with rust fungus Uromyces lespedezae or may be Cercospora on Richards Loop Trail in Sam Houston National Forest. Texas, July 10, 2022
 Orange caterpillar Phosphila turbulenta on shoots of greenbrier (Smilax) on Richards Loop Trail in Sam Houston National Forest. Texas, April 13, 2024
 Young leaves of Muscadine Grape (Vitis rotundifolia) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Black balls of rust fungus Uromyces lespedezae or may be Cercospora from underside of leaves of hairy bush clover collected on Richards Loop Trail in Sam Houston National Forest. Texas, July 10, 2022
 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
 Black balls of rust fungus Uromyces lespedezae or may be Cercospora from underside of leaves of hairy bush clover under a microscope at low magnifications collected on Richards Loop Trail in Sam Houston National Forest. Texas, July 10, 2022
 Black blotches on the leaf of persimmon (Diospyros virginiana) caused by Cercospora leaf spot fungus Pseudocercospora diospyricola on Richards Loop Trail in Sam Houston National Forest. Texas, August 21, 2020
 Leaves of blackjack oak and greenbrier on Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022
 Hairy bush clover (Lespedeza hirta) with rust fungus Uromyces lespedezae or may be Cercospora on Richards Loop Trail in Sam Houston National Forest. Texas, July 10, 2022
 Necrotic spots that develop into angular lesions on underside of a leaf of persimmon (Diospyros virginiana) caused by persimmon Cercospora leaf spot fungus Pseudocercospora diospyricola on Richards Loop Trail in Sam Houston National Forest. Texas, August 21, 2020
 Shoots of hairy bush clover (Lespedeza hirta) with rust fungus Uromyces lespedezae or may be Cercospora on Richards Loop Trail in Sam Houston National Forest. Texas, July 10, 2022
 Black blotches on the leaf of persimmon (Diospyros virginiana) caused by Cercospora leaf spot fungus Pseudocercospora diospyricola on Richards Loop Trail in Sam Houston National Forest. Texas, August 18, 2022
 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
 Oak leaves with brown spots caused by a fungus(?) 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
 Orange-yellow rust fungus Puccinia poarum (Puccinia liatridis) on basal leaves of gayfeather (Liatris) on Richards Loop Trail in Sam Houston National Forest. Texas, March 26, 2020
 Basal leaves of gayfeather (Liatris) with orange-yellow rust fungus Puccinia poarum (Puccinia liatridis) on Richards Loop Trail in Sam Houston National Forest. Texas, March 26, 2020
 Underside of basal leaves of gayfeather (Liatris) with orange-yellow rust fungus Puccinia poarum (Puccinia liatridis) on Richards Loop Trail in Sam Houston National Forest. Texas, March 26, 2020
 Close-up of orange-yellow rust fungus Puccinia poarum (Puccinia liatridis) on basal leaves of gayfeather (Liatris) on Richards Loop Trail in Sam Houston National Forest. Texas, March 26, 2020
 Common rush (Juncus effusus(?)) in a small lake on Sand Branch Loop Trail in Sam Houston National Forest near Richards. Texas, November 20, 2020
 Common rustgill mushrooms (Gymnopilus penetrans) on rotting pine wood on Richards Loop Trail in Sam Houston National Forest. Texas, December 15, 2020
 Green lynx spider on a leaf of greenbrier on Richards Loop Trail in Sam Houston National Forest. Texas, July 29, 2021
 Young oak leaves on Richards Loop Trail in Sam Houston National Forest. Texas, June 27, 2020
 Young red leaves of an oak on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Young oak leaves on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 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
 Young leaves of sassafras on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Distorted growth of oak leaves on Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2020
 Young leaves of sumac(?) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Young leaves of sweetgum on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Young leaves of sumac(?) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Some young glossy leaves on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Shoot with glossy leaves on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Yellow leaves of hickory on Richards Loop Trail in Sam Houston National Forest. Texas, December 15, 2020
 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
 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
 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
 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
 Young leaves of elm on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, March 8, 2020
 Leaves of coralbean (Erythrina herbacea) on Richards Loop Trail in Sam Houston National Forest, Texas, November 19, 2020
 Fresh leaves of Virginia creeper on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Young leaves of Virginia creeper on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Path covered by dry leaves on Sand Branch Loop Trail in Sam Houston National Forest near Richards. Texas, November 20, 2020
 Fresh leaves of flameleaf sumac (Rhus lanceolata) on Richards Loop Trail in Sam Houston National Forest. Texas, May 10, 2020
 Leaves of Chinese tallow (Sapium sebiferum) on Richards Loop Trail in Sam Houston National Forest, Texas, November 19, 2020
 Young leaves of flameleaf sumac (Rhus lanceolata) on Richards Loop Trail in Sam Houston National Forest. Texas, May 10, 2020
 Distorted oak leaves caused by insect larvae(?) on Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2020
 Young leaves of southern wax myrtle (Myrica cerifera) on Richards Loop Trail in Sam Houston National Forest. Texas, May 10, 2020
 Fresh leaves of blackjack oak on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, March 8, 2020
 Young leaves of blackjack oak (Quercus marilandica) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Phylloxera galls on hickory leaves on Sand Branch Loop Trail in Sam Houston National Forest near Richards. Texas, May 2, 2020
 Beautyberry (Callicarpa americana) with wilted leaves on Richards Loop Trail in Sam Houston National Forest. Texas, August 21, 2020
 Curved leaves of bracken ferm with insect eggs on Richards Loop Trail in Sam Houston National Forest. Texas, May 10, 2020
 Common funnel cap mushrooms (Clitocybe gibba, Infundibulicybe gibba) on Sand Branch Loop Trail in Sam Houston National Forest near Richards. Texas, April 1, 2020
 Young leaves of greenbrier (prickly-ivy, smilax) in Lick Creek Park. College Station, Texas, May 10, 2012
 Back lit leaves of flameleaf sumac (Rhus lanceolata) on Richards Loop Trail in Sam Houston National Forest, Texas, November 19, 2020
 Young leaves of mustang grape (Vitis mustangensis) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Texture of Phylloxera galls on hickory leaves on Sand Branch Loop Trail in Sam Houston National Forest near Richards. Texas, May 2, 2020
 Close-up of Phylloxera galls on hickory leaves on Sand Branch Loop Trail in Sam Houston National Forest near Richards. Texas, May 2, 2020
 Curling of leaves caused by blackberry psyllid (Trioza tripunctata) on Richards Loop Trail in Sam Houston National Forest. Texas, July 12, 2020
 Lower surface of hickory leaves with Phylloxera galls on Sand Branch Loop Trail in Sam Houston National Forest near Richards. Texas, May 2, 2020
 Frost rimmed orange leaves of greenbrier (Smilax) in Lick Creek Park. College Station, Texas, January 17, 2013
 Candlesnuff fungus (Xylaria hypoxylon) on a log on Richards Loop Trail in Sam Houston National Forest. Texas, April 20, 2020
 Yellow web-like corticioid fungus under a pine(?) log on Richards Loop Trail in Sam Houston National Forest. Texas, December 24, 2020
 Corticioid fungus Coniophora olivacea and clustered icicle fungus (Mucronella calva) on a fallen pine on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, February 8, 2020
 Some brown cup Ascomycete fungus on a site of old bonfire on Richards Loop Trail in Sam Houston National Forest. Texas, March 26, 2020
 Details of yellow web-like corticioid fungus under a pine(?) log on Richards Loop Trail in Sam Houston National Forest. Texas, December 24, 2020
 Brown rotting leaves of greenbrier (Smilax) on the ground after recent rains in Lick Creek Park. College Station, Texas, August 19, 2022
 Leaves of greenbrier (smilax) in Lake Bryan Park. Bryan, Texas, May 16, 2018
 Red leaves of rusty blackhaw viburnum (Viburnum rufidulum)(?) on Richards Loop Trail in Sam Houston National Forest. Texas, December 15, 2020
 Light orange corticioid (crust) fungus on a pine log on Richards Loop Trail in Sam Houston National Forest. Texas, December 24, 2020
 Pine needles with rust fungus Coleosporium asterum on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 White crust fungus Dendrothele candida on oak bark on Richards Loop Trail in Sam Houston National Forest. Texas, November 5, 2020
 Hairy curtain crust fungus (Stereum hirsutum) on Richards Loop Trail in Sam Houston National Forest. Texas, September 25, 2020
 White and orange corticioid (crust) fungus on a pine log on Richards Loop Trail in Sam Houston National Forest. Texas, December 24, 2020
 Candlesnuff fungus (Xylaria hypoxylon) on rotting wood on Richards Loop Trail in Sam Houston National Forest. Texas, April 20, 2020
 Brown rotting leaves of greenbrier (Smilax), oak and other trees on the ground after recent rains in Lick Creek Park. College Station, Texas, August 19, 2022
 White resupinate polypore mushroom with embedded oak leaves on thin bark of a fallen pine branch on Richards Loop Trail in Sam Houston National Forest, Texas, November 19, 2020
 White resupinate polypore mushroom with embedded dry fern leaves on bark of a fallen pine branch on Richards Loop Trail in Sam Houston National Forest, Texas, November 19, 2020
 Pine needles with pustules of rust fungus Coleosporium asterum on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Hairy curtain crust fungus (Stereum hirsutum) on a fallen oak on Richards Loop Trail in Sam Houston National Forest. Texas, September 25, 2020
 Close-up of corticioid fungus Coniophora olivacea on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, February 8, 2020
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