 Curling of leaves caused by blackberry psyllid (Trioza tripunctata) on Richards Loop Trail in Sam Houston National Forest. Texas, July 12, 2020
 Distorted oak leaves caused by insect larvae(?) on Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2020
 Leaves of hickory with black spots and holes caused by insects(?) on Richards Loop Trail in Sam Houston National Forest. Texas, June 2, 2021
 Galls on leaves of goldenrod Solidago canadensis caused by gall midges Asteromyia carbonifera with symbiotic fungus Botryosphaeria dothidea on Richards Loop Trail in Sam Houston National Forest. Texas, July 10, 2022
 Oak leaves with brown spots caused by a fungus(?) on Richards Loop Trail in Sam Houston National Forest, Texas, November 19, 2020
 Leaves of goldenrod Solidago canadensis with raised white cushions caused by gall midges Asteromyia carbonifera and symbiotic fungus Botryosphaeria dothidea inside the galls on Richards Loop Trail in Sam Houston National Forest. Texas, July 10, 2022
 Red ripening blackberry on Richards Loop Trail in Sam Houston National Forest. Texas, May 10, 2020
 Persimmon leaf blister galls caused by bead gall mite Aceria theospyri on leaves of persimmon (Diospyros virginiana) on Richards Loop Trail in Sam Houston National Forest. Texas, May 26, 2022
 Blooming blackberry on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Flower of blackberry on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Ripening blackberry in Sam Houston National Forest, on Little Lake Creek Loop Trail. Richards, Texas, May 18, 2014
 Blackberry fruit in Sam Houston National Forest, on Little Lake Creek Loop Trail. Richards, Texas, May 18, 2014
 Ripening berries of blackberry on Richards Loop Trail in Sam Houston National Forest. Texas, June 9, 2022
 Blooming blackberry on Road FS 203 near on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Ripening blackberry on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, May 23, 2018
 White flowers of blackberry on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Flower of blackberry on Forest Service Road 203 on Richards Loop Trail in Sam Houston National Forest. Texas, March 3, 2024
 White flowers of blackberry on Road FS 203 near on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 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
 Distorted growth of oak leaves on Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2020
 Hairy leaves of bluestem grass on Richards Loop Trail in Sam Houston National Forest. Texas, August 28, 2021
 Baby caterpillars eating oak leaves on Richards Loop Trail in Sam Houston National Forest. Texas, September 8, 2021
 Young leaves of oak on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 13, 2014
 Leaves of Virginia creeper on a charred pine on Richards Loop Trail in Sam Houston National Forest. Texas, June 2, 2021
 Pine seedling with needle rust caused by fungus Coleosporium asterum on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Blooming blackberry on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, April 11, 2021
 Blooming blackberry on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, April 11, 2021
 Basal rosette of leaves of lyreleaf sage (Salvia lyrata)(?) on Richards Loop Trail in Sam Houston National Forest. Texas, February 6, 2021
 Aecial pustules of a needle rust caused by fungus Coleosporium asterum on pine needles on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 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
 Leaves of summer spiderlily (woodland spider-lily, Hymenocallis occidentalis) on Richards Loop Trail in Sam Houston National Forest. Texas, March 21, 2021
 Rosette of leaves of elephant foot (Elephantopus carolinianus) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 7, 2013
 Dayflower (Commelina) on Richards Loop Trail in Sam Houston National Forest. Texas, July 29, 2021
 Gall on a stem of Solidago caused by a parasitic goldenrod gall fly Eurosta solidaginis on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Gall on a stem of Solidago caused by a parasitic goldenrod gall fly Eurosta solidaginis on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Yellow leaves of laurel greenbrier (catbriar, bamboo vine, Smilax laurifolia) on Richards Loop Trail in Sam Houston National Forest. Texas, July 10, 2022
 Leaf of mustang grape on Richards Loop Trail in Sam Houston National Forest. Texas, July 29, 2021
 Butterfly pea (Centrosema virginianum) on Richards Loop Trail in Sam Houston National Forest. Texas, July 29, 2021
 Green lynx spider on Richards Loop Trail in Sam Houston National Forest. Texas, July 29, 2021
 Tiny bright orange cups of aecia on the underside of leaves of mayapple caused by mayapple rust fungus Allodus podophylli(Puccinia podophylli) on underside of leaves of May apple (Podophyllum peltatum) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, March 2, 2019
 Young leaf of mustang grape on Richards Loop Trail in Sam Houston National Forest. Texas, July 29, 2021
 Elephant foot (Elephantopus carolinianus) on Richards Loop Trail in Sam Houston National Forest. Texas, July 29, 2021
 Hairy stem of bluestem grass on Richards Loop Trail in Sam Houston National Forest. Texas, July 29, 2021
 Mountain mint (Pycnanthemum tenuifolium) on Richards Loop Trail in Sam Houston National Forest. Texas, July 29, 2021
 Blooming butterfly pea (Centrosema virginianum) on Richards Loop Trail in Sam Houston National Forest. Texas, July 29, 2021
 Colombian waxweed (Cuphea carthagenensis) on Richards Loop Trail in Sam Houston National Forest. Texas, July 29, 2021
 Blooming butterfly pea (Centrosema virginianum) on Richards Loop Trail in Sam Houston National Forest. Texas, July 29, 2021
 Emerging green berries of beautyberry on Richards Loop Trail in Sam Houston National Forest. Texas, July 29, 2021
 American burnweed (Erechtites hieraciifolius) on Richards Loop Trail in Sam Houston National Forest. Texas, July 29, 2021
 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
 White Amanita mushroom on roadside with disturbed sandy soil with pine needles, oak leaves and some grass, in a pine forest at Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, December 9, 2021
 Maryland meadow-beauty (Rhexia mariana) on Forest Service Road 203 on Richards Loop Trail in Sam Houston National Forest. Texas, July 29, 2021
 Amanita sect. Lepidella mushroom on roadside of Forest Service Road 203 on Richards Loop Trail in Sam Houston National Forest. Texas, July 21, 2021
 Small fibrecap (Inocybe) mushrooms in a pine forest burned in spring on Richards Loop Trail in Sam Houston National Forest. Texas, July 21, 2021
 Narrow-leaf gayfeather (Liatris mucronata(?)) on Richards Loop Trail in Sam Houston National Forest. Texas, July 29, 2021
 Fluffy seeds of a plant of aster family on Richards Loop Trail in Sam Houston National Forest. Texas, July 29, 2021
 Shrubby water-primrose (Ludwigia octovalvis) on Richards Loop Trail in Sam Houston National Forest. Texas, July 29, 2021
 Close-up of a flower of butterfly pea (Centrosema virginianum) on Richards Loop Trail in Sam Houston National Forest. Texas, July 29, 2021
 Green lynx spider on a leaf of greenbrier on Richards Loop Trail in Sam Houston National Forest. Texas, July 29, 2021
 Flower of elephant foot (Elephantopus carolinianus) on Richards Loop Trail in Sam Houston National Forest. Texas, July 29, 2021
 Trailing fuzzy-bean (Strophostyles helvola) on Richards Loop Trail in Sam Houston National Forest. Texas, July 29, 2021
 Back lit flower of butterfly pea (Centrosema virginianum) on Richards Loop Trail in Sam Houston National Forest. Texas, July 29, 2021
 Small fibrecap (Inocybe) mushrooms under pines on Richards Loop Trail in Sam Houston National Forest. Texas, July 21, 2021
 Beige coral mushrooms (Clavulinopsis umbrinella) on Richards Loop Trail in Sam Houston National Forest. Texas, July 21, 2021
 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
 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
 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
 Peppery milkcap mushrooms (Lactarius piperatus) under pines on Richards Loop Trail in Sam Houston National Forest. Texas, July 21, 2021
 Flowers and green fruits of butterfly pea (Centrosema virginianum) on Richards Loop Trail in Sam Houston National Forest. Texas, July 29, 2021
 Blooming narrow-leaf gayfeather (Liatris mucronata(?)) on Richards Loop Trail in Sam Houston National Forest. Texas, July 29, 2021
 Flowers of narrow-leaf gayfeather (Liatris mucronata(?)) on Richards Loop Trail in Sam Houston National Forest. Texas, July 29, 2021
 Mature peppery milkcap mushrooms (Lactarius piperatus)(?) on Richards Loop Trail in Sam Houston National Forest. Texas, July 21, 2021
 Flower of shrubby water-primrose (Ludwigia octovalvis) on Richards Loop Trail in Sam Houston National Forest. Texas, July 29, 2021
 Tiny flower of buttonweed (Poor-Joe, Diodia teres) on Richards Loop Trail in Sam Houston National Forest. Texas, July 29, 2021
 Close-up of beige coral mushrooms (Clavulinopsis umbrinella) on Richards Loop Trail in Sam Houston National Forest. Texas, July 21, 2021
 Southern toad (Bufo terrestris) among dry oak leaves on South Wilderness Loop Trail at Little Lake Creek Wilderness in Sam Houston National Forest near Richards. Texas, December 26, 2021
 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
 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
 Close-up of southern toad (Bufo terrestris) among dry oak leaves on South Wilderness Loop Trail at Little Lake Creek Wilderness in Sam Houston National Forest near Richards. Texas, December 26, 2021
 Young mushroom Amanita polypyramis under pine and elm leaves on South Wilderness Loop Trail at Little Lake Creek Wilderness in Sam Houston National Forest near Richards. Texas, October 23, 2021
 Leaves of May apple (mandrake, Podophyllum peltatum) with yellow spots caused by teleutosori of mayapple rust fungus Allodus podophylli (Puccinia podophylli) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, May 5, 2018
 Side view of small fibrecap (Inocybe) mushrooms under pines on Richards Loop Trail in Sam Houston National Forest. Texas, July 21, 2021
 Close-up of a flower of shrubby water-primrose (Ludwigia octovalvis) on Richards Loop Trail in Sam Houston National Forest. Texas, July 29, 2021
 Close-up of flowers of narrow-leaf gayfeather (Liatris mucronata(?)) on Richards Loop Trail in Sam Houston National Forest. Texas, July 29, 2021
 Golden threads Lepidella mushrooms (Amanita canescens) under pines on Richards Loop Trail in Sam Houston National Forest. Texas, July 21, 2021
 Peppery milkcap mushrooms (Lactarius piperatus) with a cross section on Richards Loop Trail in Sam Houston National Forest. Texas, July 21, 2021
 Leaves of May apple (Podophyllum peltatum) with yellow spots caused by teleutosori of mayapple rust fungus Allodus podophylli (Puccinia podophylli) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, March 23, 2020
 Leaves of May apple (Podophyllum peltatum) with yellow spots caused by teleutosori of mayapple rust fungus Allodus podophylli (Puccinia podophylli) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, April 23, 2022
 Upper view of southern toad (Bufo terrestris) among dry oak leaves on South Wilderness Loop Trail at Little Lake Creek Wilderness in Sam Houston National Forest near Richards. Texas, December 26, 2021
 Front view of southern toad (Bufo terrestris) among dry oak leaves on South Wilderness Loop Trail at Little Lake Creek Wilderness in Sam Houston National Forest near Richards. Texas, December 26, 2021
 Knight mushrooms Tricholoma odorum on dead oak roots among dry leaves on South Wilderness Loop Trail at Little Lake Creek Wilderness in Sam Houston National Forest near Richards. Texas, December 26, 2021
 Plants of jumpseed (knotweed, Persicaria virginiana) on floodplain with yellowing caused by some fungus on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, July 3, 2022
 Blue mould caused by fungus Penicillium italicum(?) on a fallen fruit of trifoliate orange on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, November 7, 2021
 Cross section of golden threads Lepidella mushrooms (Amanita canescens) on Richards Loop Trail in Sam Houston National Forest. Texas, July 21, 2021
 Upper view of golden threads Lepidella mushrooms (Amanita canescens) on Richards Loop Trail in Sam Houston National Forest. Texas, July 21, 2021
 Pycnia of Juniper-hawthorn rust fungus (Gymnosporangium globosum) on leaves of littlehip hawthorn (Crataegus spathulata) on Richards Loop Trail in Sam Houston National Forest. Texas, July 23, 2023
 Leaves of littlehip hawthorn (Crataegus spathulata) with pycnia of Juniper-hawthorn rust fungus (Gymnosporangium globosum) on Richards Loop Trail in Sam Houston National Forest. Texas, July 23, 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
 Side view of young mushroom Amanita polypyramis among pine and elm leaves on South Wilderness Loop Trail at Little Lake Creek Wilderness in Sam Houston National Forest near Richards. Texas, October 23, 2021
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