 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
 Texture of Phylloxera galls on hickory leaves on Sand Branch Loop Trail in Sam Houston National Forest near Richards. Texas, May 2, 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
 Young leaves of hickory on Richards Loop Trail in Sam Houston National Forest. Texas, April 9, 2022
 Phylloxera galls on hickory leaves on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Young leaves of hickory on Road FS 203 near on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Leaves of hickory with black spots and holes caused by insects(?) on Richards Loop Trail in Sam Houston National Forest. Texas, June 2, 2021
 Hickory leaf with dense cover of Phylloxera galls on Sand Branch Loop Trail in Sam Houston National Forest near Richards. Texas, May 2, 2020
 Yellow web-like corticioid fungus under a pine(?) log on Richards Loop Trail in Sam Houston National Forest. Texas, December 24, 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
 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
 Dusty yellow corticioid fungus Drepanospora viridis (Helicoma viride)(?) on underside of a pine log on Richards Loop Trail in Sam Houston National Forest. Texas, December 24, 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
 Close-up of dusty yellow corticioid fungus Drepanospora viridis (Helicoma viride)(?) on underside of a pine log on Richards Loop Trail in Sam Houston National Forest. Texas, December 24, 2020
 Red leaves of rusty blackhaw viburnum (Viburnum rufidulum)(?) on Richards Loop Trail in Sam Houston National Forest. Texas, December 15, 2020
 Shoot of hickory on Road FS 203 near on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Reddish young leaves of hickory on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, March 28, 2021
 Young tender leaves of hickory on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, March 28, 2021
 Yellow leaves of bracken fern under pines on Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022
 Unfolding and growing young hickory leaves on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, March 28, 2021
 Back lit Phylloxera galls on a hickory leaf on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Black spots with holes on a shoot of hickory on Richards Loop Trail in Sam Houston National Forest. Texas, June 2, 2021
 Woolly growth (galls) on underside of a hickory(?) leaf on Richards Loop Trail in Sam Houston National Forest near Montgomery. Texas, July 19, 2022
 Red and yellow leaves of sweetgum on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, December 22, 2023
 Yellow leaves of sweetgum on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, December 22, 2023
 Young oak leaves on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 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, June 27, 2020
 Cap some pale yellow Amanita mushroom on Richards Loop Trail in Sam Houston National Forest. Texas, June 3, 2020
 Tiny yellow flowers of Hypericum(?) on Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2020
 Dark red and yellow leaves of sweetgum on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, December 22, 2023
 Yellow leaves of laurel greenbrier (catbriar, bamboo vine, Smilax laurifolia) on Richards Loop Trail in Sam Houston National Forest. Texas, July 10, 2022
 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
 Shoot with glossy leaves 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
 Young leaves of sumac(?) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Young leaves of sassafras on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Yellow wood sorrel (Oxalis stricta) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Yellow wood sorrel (Oxalis stricta) on Richards Loop Trail in Sam Houston National Forest. Texas, March 26, 2020
 Young leaves of Virginia creeper on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Leaves of coralbean (Erythrina herbacea) on Richards Loop Trail in Sam Houston National Forest, Texas, November 19, 2020
 Young leaves of elm on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, March 8, 2020
 Fresh leaves of Virginia creeper on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Dissected view of some pale yellow Amanita mushroom on Richards Loop Trail in Sam Houston National Forest. Texas, June 3, 2020
 Flowers of yellow wood sorrel (Oxalis stricta) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Side view of some pale yellow Amanita mushroom on Richards Loop Trail in Sam Houston National Forest. Texas, June 3, 2020
 Some dark red mature bolete mushrooms with yellow pores on Richards Loop Trail in Sam Houston National Forest. Texas, September 25, 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 blackjack oak (Quercus marilandica) 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
 Distorted oak leaves caused by insect larvae(?) on Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 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 southern wax myrtle (Myrica cerifera) on Richards Loop Trail in Sam Houston National Forest. Texas, May 10, 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
 Oak leaves with brown spots caused by a fungus(?) 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
 Yellow underside of pineapple bolete mushroom (Boletellus ananas) on Richards Loop Trail in Sam Houston National Forest. Texas, September 25, 2020
 Yellow flower of St. Peter s-wort (Hypericum crux-andreae) on Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2020
 Underside of dark red mature bolete mushrooms with yellow pores on Richards Loop Trail in Sam Houston National Forest. Texas, September 25, 2020
 Back lit leaves of flameleaf sumac (Rhus lanceolata) on Richards Loop Trail in Sam Houston National Forest, Texas, November 19, 2020
 Young leaves of Muscadine Grape (Vitis rotundifolia) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Young leaves of mustang grape (Vitis mustangensis) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Yellow powdery bolete mushroom (Buchwaldoboletus hemichrysus) near a pine stump on Richards Loop Trail in Sam Houston National Forest. Texas, September 25, 2020
 Yellow leaf of passion flower (Passiflora lutea) on Sand Branch Loop Trail in Sam Houston National Forest near Richards. Texas, November 20, 2020
 Cross section of dark red mature bolete mushrooms with yellow pores on Richards Loop Trail in Sam Houston National Forest. Texas, September 25, 2020
 Yellow flower of rock-rose (frostweed, sunrose, Helianthemum carolinianum) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Curling of leaves caused by blackberry psyllid (Trioza tripunctata) on Richards Loop Trail in Sam Houston National Forest. Texas, July 12, 2020
 Yellow powdery bolete mushroom (Buchwaldoboletus hemichrysus) near a burnt pine stump on Richards Loop Trail in Sam Houston National Forest. Texas, September 25, 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
 Cross section and yellow pores of pineapple bolete mushroom (Boletellus ananas) on Richards Loop Trail in Sam Houston National Forest. Texas, September 25, 2020
 Yellow-dust Amanita mushrooms (Amanita flavoconia) on Richards Loop Trail in Sam Houston National Forest. Texas, April 6, 2020
 Close-up of a leaf of sassafras on Richards Loop Trail in Sam Houston National Forest. Texas, December 15, 2020
 Orange leaf of sassafras on Richards Loop Trail in Sam Houston National Forest. Texas, December 15, 2020
 Texture of a leaf of sassafras on Richards Loop Trail in Sam Houston National Forest. Texas, December 15, 2020
 Mushroom Amanita polypyramis on Richards Loop Trail in Sam Houston National Forest. Texas, December 3, 2020
 Speckled leaf of sassafras on Richards Loop Trail in Sam Houston National Forest. Texas, December 15, 2020
 Fall colors of sweetgum on Richards Loop Trail in Sam Houston National Forest. Texas, December 15, 2020
 Fall foliage of sassafras on Richards Loop Trail in Sam Houston National Forest. Texas, December 15, 2020
 Dissected yellow-dust Amanita mushrooms (Amanita flavoconia) on Richards Loop Trail in Sam Houston National Forest. Texas, April 6, 2020
 Side view of yellow-dust Amanita mushrooms (Amanita flavoconia) on Richards Loop Trail in Sam Houston National Forest. Texas, April 6, 2020
 Some yellow crust fungus growing on soil attached to underside of a fallen pine on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, December 24, 2019
 Green and yellow corticioid fungus Drepanospora viridis (Helicoma viride)(?) on underside of a thick wet pine log on Richards Loop Trail in Sam Houston National Forest. Texas, December 17, 2023
 Snowy oysterling mushrooms (Cheimonophyllum candidissimum, Nothopanus candidissimus)(?) on bark of hickory or may be ash tree on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, May 31, 2020
 Leaf of persimmon (Diospyros virginiana) prematurely turned yellow with black spots of fungus Pseudocercospora diospyricola on Richards Loop Trail in Sam Houston National Forest. Texas, August 21, 2020
 Mature Hebeloma(?) mushrooms on North Wilderness Loop Trail in Sam Houston National Forest near Richards. Texas, December 27, 2020
 Pine Spike mushroom (Chroogomphus vinicolor) on Richards Loop Trail in Sam Houston National Forest. Texas, December 15, 2020
 Cross section of a mushroom Amanita polypyramis on Richards Loop Trail in Sam Houston National Forest. Texas, December 3, 2020
 Poison pie mushrooms (Hebeloma crustuliniforme) in a pine forest on North Wilderness Loop Trail in Sam Houston National Forest near Richards. Texas, December 27, 2020
 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
 Oak leaves covered by yellow spores of resupinate polypore fungus Inonotus andersonii from a fallen oak branch on South Wilderness Loop Trail at Little Lake Creek Wilderness in Sam Houston National Forest near Richards. Texas, January 1, 2024
 Snowy oysterling mushrooms (Cheimonophyllum candidissimum, Nothopanus candidissimus)(?) on bark of hickory or may be ash tree two meters above the ground on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, May 31, 2020
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