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3184-03. Leaves of blackjack oak and greenbrier on Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022Similar picturesLarge thumbnails | Use small thumbnails | View as slideshow |
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3184-03. Leaves of blackjack oak and greenbrier on Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022Similar picturesLarge thumbnails | Use small thumbnails | View as slideshow |
 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  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  Underside of greenbrier leaves with rust fungus Puccinia smilacis, 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  Yellow leaves of laurel greenbrier (catbriar, bamboo vine, Smilax laurifolia) on Richards Loop Trail in Sam Houston National Forest. Texas, July 10, 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  Young leaves of blackjack oak (Quercus marilandica) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020  Fresh leaves of blackjack oak on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, March 8, 2020  Red leaves of common greenbrier (Smilax rotundifolia) on Richards Loop Trail in Sam Houston National Forest. Texas, January 21, 2024  Young leaves of a small oak on Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022  Curled leaves of beautyberry on Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 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  Leaves of paper mulberry (Broussonetia papyrifera)(?) on Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022  Yellow leaves of bracken fern under pines on Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022  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  Shoot of blackjack oak on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, March 8, 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  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  Young leaves of oak on Richards Loop Trail in Sam Houston National Forest. Texas, April 9, 2022  Young leaves of an oak on Richards Loop Trail in Sam Houston National Forest. Texas, April 9, 2022  Young leaves of hickory on Richards Loop Trail in Sam Houston National Forest. Texas, April 9, 2022  Back lit young leaves of an oak on Richards Loop Trail in Sam Houston National Forest. Texas, April 9, 2022  Young leaves of beautyberry on Richards Loop Trail in Sam Houston National Forest. Texas, April 9, 2022  Green lynx spider on a leaf of greenbrier on Richards Loop Trail in Sam Houston National Forest. Texas, July 29, 2021  Thorns of common greenbrier (Smilax rotundifolia) on Richards Loop Trail in Sam Houston National Forest, Texas, November 19, 2020  Caterpillar Phosphila turbulenta on a tendril of greenbrier (Smilax) on Richards Loop Trail in Sam Houston National Forest. Texas, April 13, 2024  Young oak leaves on Richards Loop Trail in Sam Houston National Forest. Texas, June 27, 2020  Orange caterpillar Phosphila turbulenta on shoots of greenbrier (Smilax) on Richards Loop Trail in Sam Houston National Forest. Texas, April 13, 2024  Pleated leaves of Carolina buckthorn (Frangula caroliniana) on Richards Loop Trail in Sam Houston National Forest. Texas, April 9, 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  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 Virginia creeper on a charred pine on Richards Loop Trail in Sam Houston National Forest. Texas, June 2, 2021  Young leaves of a tree on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 29, 2019  Bushes of beautyberry on Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022  Shoot of elm or may be plum on Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022  Dayflower (Commelina) on Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022  Some reddish shoot on Richards Loop Trail in Sam Houston National Forest. Texas, June 9, 2022  Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, June 9, 2022  Leaves of Partridge pea (Cassia fasciculata) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019  Young leaves of flameleaf sumac on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019  Leaves of partridge pea (Cassia fasciculata) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 29, 2019  Blue dayflower (Commelina) on Richards Loop Trail in Sam Houston National Forest. Texas, June 9, 2022  Foxtail-like grass (Setaria) on Richards Loop Trail in Sam Houston National Forest. Texas, June 9, 2022  Ripening berries of blackberry on Richards Loop Trail in Sam Houston National Forest. Texas, June 9, 2022  Green berries of grape on Richards Loop Trail in Sam Houston National Forest. Texas, June 9, 2022  Old cattle pond overgrown by a pine forest on Richards Loop Trail in Sam Houston National Forest. Texas, June 9, 2022  Leaves of hickory with black spots and holes caused by insects(?) on Richards Loop Trail in Sam Houston National Forest. Texas, June 2, 2021  Flameleaf sumac (Rhus lanceolata) on Richards Loop Trail in Sam Houston National Forest. Texas, June 9, 2022  Winter grape (Vitis cinerea(?)) on Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022  Flowers of beautyberry (Callicarpa americana) on Richards Loop Trail in Sam Houston National Forest. Texas, June 9, 2022  Climbing fern (Lygodium japonicum) on Richards Loop Trail in Sam Houston National Forest. Texas, June 9, 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  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. Texas, June 29, 2022  Purple bindweed (Ipomoea cordatotriloba) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022  Canada wild rye (Elymus canadensis)(?) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022  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  Globe beak-rush Rhynchospora recognita(?) on Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022  Shoot of Chinese tallow (Sapium sebiferum) on Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022  Climbing fern and Canadian moonseed vine on Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022  Shrubby water-primrose (Ludwigia octovalvis) on Richards Loop Trail in Sam Houston National Forest. Texas, June 9, 2022  Hairy wild petunia (Ruellia humilis) on Richards Loop Trail in Sam Houston National Forest. Texas, June 9, 2022  Sanguine purple coneflowers (Echinacea sanguinea) on Richards Loop Trail in Sam Houston National Forest. Texas, June 9, 2022  Shoot of Chinese tallow (Sapium sebiferum) on Richards Loop Trail in Sam Houston National Forest. Texas, June 9, 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  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  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  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  Fresh leaf of flameleaf sumac (Rhus lanceolata) on Richards Loop Trail in Sam Houston National Forest. Texas, June 9, 2022  Felty shoot of common boneset (Eupatorium perfoliatum) on Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022  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  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  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  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  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  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  Green nymph of grasshopper on a dried leaf of bracken fern on Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022  Purple pleat-leaf (Pinewood lily, Alophia drummondii) on Richards Loop Trail in Sam Houston National Forest. Texas, June 9, 2022  Flower spike of Little Ladies Tresses (Spiranthes tuberosa var. gracilis) on Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022  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  Plant of Little Ladies Tresses (Spiranthes tuberosa var. gracilis) on a side of a path on Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022  Flowers of Southern Slender Ladies Tresses (Spiranthes tuberosa var. gracilis) on Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022  Scaly sawgill mushrooms (Neolentinus lepideus) on rotting pine wood on Richards Loop Trail in Sam Houston National Forest. Texas, June 9, 2022  Road FS203A at crossing with Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022  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  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  Close-up of flowers of Southern Slender Ladies Tresses (Spiranthes tuberosa var. gracilis) on Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022  Climbing common trumpet creeper (Foxglove vine, Campsis radicans) on a pine tree on Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022  Globelike flowers of sensitive briar (Schrankia uncinata) on thorny stems with folded feathery compound leaves on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 22, 2008  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  Leaves of sassafras on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023  Red young leaves of oak on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023 |