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3502-14. Phylloxera galls on hickory leaves on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024Similar picturesLarge thumbnails | Use small thumbnails | View as slideshow |
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3502-14. Phylloxera galls on hickory leaves on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024Similar picturesLarge thumbnails | Use small thumbnails | View as slideshow |
 Back lit Phylloxera galls on a hickory leaf on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024  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  Hickory leaf with dense cover of Phylloxera galls on Sand Branch Loop Trail in Sam Houston National Forest near Richards. Texas, May 2, 2020  Young leaves of hickory on Road FS 203 near on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024  Woolly growth (galls) on underside of a hickory(?) leaf on Richards Loop Trail in Sam Houston National Forest near Montgomery. Texas, July 19, 2022  Shoot of hickory on Road FS 203 near on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024  Yellow leaves of hickory on Richards Loop Trail in Sam Houston National Forest. Texas, December 15, 2020  Young leaves of hickory on Richards Loop Trail in Sam Houston National Forest. Texas, April 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  Young tender leaves of hickory on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, March 28, 2021  Reddish young leaves of hickory on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, March 28, 2021  Unfolding and growing young hickory leaves on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, March 28, 2021  Young reddish leaves of oak on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024  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  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  Trilobed leaves of paper mulberry (Broussonetia papyrifera) on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024  Hairy leaves of beaked hawkweed (Hieracium gronovii) on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024  Malformed leaves of bracken fern (Pteridium aquilinum) on Road FS 203 near Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024  Irregularly grown leaves of bracken fern (Pteridium aquilinum) on Road FS 203 near on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024  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  Black spots with holes on a shoot of hickory on Richards Loop Trail in Sam Houston National Forest. Texas, June 2, 2021  Young leaves of oak on Richards Loop Trail in Sam Houston National Forest. Texas, April 13, 2024  Young leaves of sassafras on Richards Loop Trail in Sam Houston National Forest. Texas, April 13, 2024  Some young back lit leaves on Richards Loop Trail in Sam Houston National Forest. Texas, April 13, 2024  Hairy leaves of spiderwort (Tradescantia) on Richards Loop Trail in Sam Houston National Forest. Texas, January 21, 2024  Grass leaves in ultraviolet light on Richards Loop Trail in Sam Houston National Forest. Texas, October 5, 2024  Rosette of leaves of Lactuca(?) on FS203 near Richards Loop Trail in Sam Houston National Forest. Texas, February 21, 2024  Shoot of hickory on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, March 28, 2021  Leaves of beaked hawkweed (Hieracium gronovii) on Richards Loop Trail in Sam Houston National Forest. Texas, February 21, 2024  Red leaves of common greenbrier (Smilax rotundifolia) on Richards Loop Trail in Sam Houston National Forest. Texas, January 21, 2024  Leaves of sassafras on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023  Red wrinkled leaves of an oak 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  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  Rosette of leaves of woolly-white (Hymenopappus artemisiaefolius) on FS203 near Richards Loop Trail in Sam Houston National Forest. Texas, February 21, 2024  Rosette of hairy leaves of beaked hawkweed (Hieracium gronovii) on Richards Loop Trail in Sam Houston National Forest. Texas, February 21, 2024  Shoot with glossy leaves on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020  Back lit leaves of sassafra on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023  Young leaves of sweetgum on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020  Spider on leaves of beautyberry on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023  Fresh green leaves of oak on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023  Back lit leaves of willow oak on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023  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  Young wrinkled leaves of an oak on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023  Young leaves of sassafras on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020  Wrinkled young leaves of oak on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023  Young leaves of sumac(?) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020  Young orange leaves of an oak on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023  Basal rosette of leaves of lyreleaf sage (Salvia lyrata) on FS203 near Richards Loop Trail in Sam Houston National Forest. Texas, February 21, 2024  Silvery basal leaves of woolly-white (Hymenopappus artemisiaefolius) on FS203 near Richards Loop Trail in Sam Houston National Forest. Texas, February 21, 2024  Some green shoots with round leaves in a shallow depression on side of FS203 near Richards Loop Trail in Sam Houston National Forest. Texas, February 21, 2024  Red young leaves of mustang grape on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023  Fresh leaves of Virginia creeper on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020  Young leaves of elm on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, March 8, 2020  Young leaves and flowers of hawthorn on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023  Young leaves of Virginia creeper on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020  Leaves of farkleberry (Vaccinium arboreum)(?) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023  Some fresh leaves at Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, March 8, 2019  Reddish young leaves and flowers of hawthorn on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023  Some young hairy leaves on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, March 29, 2009  Young leaves of hawthorn at Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, March 8, 2019  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 and flower buds of mustang grape on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023  Shoot of peppervine on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024  Shoots of hickory on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, March 12, 2023  Young red leaves of mustang grape on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, March 29, 2009  Fresh leaves of bracken fern (Pteridium aquilinum) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023  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  Young leaves of rattan vine (Berchemia scandens) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023  Some small grass on Road FS 203 near on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024  Shoot of mustang grape on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024  Blooming blackberry on Road FS 203 near on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024  Flower of blackberry on Forest Service Road 203 on Richards Loop Trail in Sam Houston National Forest. Texas, March 3, 2024  Greenbrier leaves with rust fungus Puccinia smilacis, collected on Richards Loop Trail in Sam Houston National Forest. Texas, March 9, 2022  Underside of fieldcap (Agrocybe)(?) mushroom on Richards Loop Trail in Sam Houston National Forest. Texas, March 3, 2024  Rose vervain (Glandularia canadensis) 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  Globe beak-rush (Rhynchospora) on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024  Lyreleaf sage (Salvia lyrata) on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024  Small bluets (Hedyotis crassifolia) on Richards Loop Trail in Sam Houston National Forest. Texas, March 3, 2024  Blue eyed grass (Sisyrinchium) on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024  Daisy fleabane (Erigeron) on Road FS 203 near on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024  Blue spiderwort (Tradescantia) flowers on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024  Nodding beardtongue (Penstemon laxiflorus) on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024  Yellow flowers of sunflower family on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024  Woolly-white (Hymenopappus) on Road FS 203 near Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024  Green milkweed (Asclepias viridis) on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024  White fleshy Amanita mushrooms on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024  Leaves of summer spiderlily (woodland spider-lily, Hymenocallis occidentalis) on Richards Loop Trail in Sam Houston National Forest. Texas, March 21, 2021  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  Blooming blue eyed grass (Sisyrinchium) on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024 |