 Irregular, wart-like light green to reddish-green bladder galls on leaf surfaces of poison ivy produced by leaf gall mite Aculops toxicophagus in Bee Creek Park. College Station, Texas, June 10, 2019
 Puckered, irregular, wart-like galls on leaf surfaces of poison ivy produced by the eriophyid mite Aculops rhois (A. toxicophagus) in Bee Creek Park. College Station, Texas, June 10, 2019
 Poison ivy leaf gall mite (irregular, wart-like light green to reddish-green bladder galls) in Bee Creek Park. College Station, Texas, June 10, 2019
 Reddish-green bladder galls on upper leaf surfaces of poison ivy produced by the eriophyid mite, Aculops rhois (A. toxicophagus, family Eriophyidae) in Bee Creek Park. College Station, Texas, June 10, 2019
 Leaves of crane s bill (Geranium carolinianum) with red galls caused by wart disease (false rust) by fungus Synchytrium geranii (Chytrids) taken from Bee Creek Park. College Station, Texas, March 23, 2021
 Brilliant red caps of Pycnoporus sanguineus mushrooms on oak logs on Closed Trail in Lick Creek Park. College Station, Texas, June 25, 2019
 Frost rimmed brilliant orange leaf of farkleberry (Vaccinium arboreum) in Lick Creek Park. College Station, Texas, January 17, 2013
 Leaf of crane s bill (Geranium carolinianum) with a wart caused by fungus Synchytrium geranii on a lawn in Hensel Park. College Station, Texas, March 25, 2021
 Green camouflage of common true katydid on a leaf in Lick Creek Park. College Station, Texas, June 8, 2022
 Orange and green leaves of poison ivy in Lick Creek Park. College Station, Texas, December 23, 2023
 Green leaves of eastern poison ivy (Toxicodendron radicans) in Wolf Pen Creek Park. College Station, Texas, April 19, 2020
 Leaf cutting ant mound on a sandy road in Lick Creek Park. College Station, Texas, June 6, 2019
 Red velvety patches on a birch leaf (velvet erineum galls) in Sosnovka Park. Saint Petersburg, Russia, June 29, 2017
 Cap surfaces of Trametopsis cervina mushrooms on an oak log in Bee Creek Park. College Station, Texas, November 4, 2017
 Flowers of poison ivy (Toxicodendron radicans) in Wolf Pen Creek Park. College Station, Texas, May 1, 2019
 Eastern poison ivy (Toxicodendron radicans) in Wolf Pen Creek Park. College Station, Texas, March 24, 2019
 Green and orange foliose lichens on a fallen oak twig in Lick Creek Park. College Station, Texas, June 18, 2019
 Brilliant red underside of Pycnoporus sanguineus mushroom in Lick Creek Park. College Station, Texas, December 11, 2018
 Galls under an oak leaf in Birch Creek Unit of Somerville Lake State Park. Texas, November 11, 2012
 Galls on an oak leaf near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 Close up of galls on an oak leaf near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 Gills and dirty green caps of brittlegill mushrooms Russula aeruginea(?) in Lick Creek Park. College Station, Texas, June 28, 2019
 Buttonbush with leaf galls caused by mites Aceria cephalanthi in Watson Rare Native Plant Preserve. Warren, Texas, June 25, 2022
 Leaf tip of common green moss through a microscope, collected on a lawn in Bee Creek Park. College Station, Texas, February 11, 2022
 Leaf of common green moss through a microscope at low magnification, collected on a lawn in Bee Creek Park. College Station, Texas, February 11, 2022
 Olive brown rotting leaf of green ash on the ground after recent rains in Lick Creek Park. College Station, Texas, August 19, 2022
 Plant cells of a leaf of common green moss through a microscope, collected on a lawn in Bee Creek Park. College Station, Texas, February 11, 2022
 Brilliant red shelves of Pycnoporus sanguineus mushroom emerging from dead limb of a downed oak on Post Oak Trail in Lick Creek Park. College Station, Texas, October 2, 2013
 Wart disease (false rust) caused by fungus Synchytrium geranii (Chytrids) on crane s bill (Geranium carolinianum) near the creek in Bee Creek Park. College Station, Texas, March 23, 2021
 Leaf of sycamore in Lick Creek Park. College Station, Texas, July 21, 2019
 Dry galls of hackberry in Bee Creek Park. College Station, Texas, August 31, 2023
 Back lit sycamore leaf in Lick Creek Park. College Station, Texas, August 2, 2019
 Venation of sycamore leaf in Lick Creek Park. College Station, Texas, August 2, 2019
 Underside of a young sycamore leaf in Lick Creek Park. College Station, Texas, August 2, 2019
 Close-up of wart disease (false rust) caused by fungus Synchytrium geranii (Chytrids) on crane s bill (Geranium carolinianum) taken from Bee Creek Park. College Station, Texas, March 23, 2021
 Wart disease (false rust) caused by fungus Synchytrium geranii (Chytrids) on crane s bill (Geranium carolinianum) in Lick Creek Park. College Station, Texas, March 30, 2022
 Plant of crane s bill (Geranium carolinianum) with wart disease (false rust) caused by fungus Synchytrium geranii (Chytrids) taken from Bee Creek Park. College Station, Texas, March 23, 2021
 Leaf of greenbrier (Smilax) in Bee Creek Park in College Station, Texas, June 21, 2012
 Insect galls on mustang grape(?) in Bee Creek Park. College Station, Texas, April 9, 2021
 Hydnoid mushrooms Mycoaciella bispora on a leaf under an oak log in Lick Creek Park. College Station, Texas, November 26, 2019
 Back lit hickory like leaf on Raccoon Run Trail in Lick Creek Park. College Station, Texas, March 22, 2019
 Mushrooms with wart-like scales Leucocoprinus cretaceus on a tree stump on Bee Creek Trail. College Station, Texas, October 4, 2013
 Leaf texture of an icy leaf of curly dock near the creek in Bee Creek Park. College Station, Texas, January 4, 2022
 Veination of a leaf of greenbrier (Smilax) in Bee Creek Park in College Station, Texas, June 21, 2012
 Back lit leaf of mustang grape in Bee Creek Park in College Station, Texas, June 21, 2012
 Back lit leaf of greenbrier (Smilax) in dew in Bee Creek Park in College Station, Texas, June 21, 2012
 Leaf of mustang grape in Lick Creek Park. College Station, Texas, June 20, 2012
 Close up of a leaf of greenbrier (Smilax) in dew in Bee Creek Park in College Station, Texas, June 21, 2012
 Malformed basal leaves of crane s bill (Geranium carolinianum) with wart disease (false rust) caused by fungus Synchytrium geranii (Chytrids) taken from Bee Creek Park. College Station, Texas, March 23, 2021
 Common true katydid on a leaf in Lick Creek Park. College Station, Texas, June 8, 2022
 Leaf of silk tree (Albizia julibrissin) in Bee Creek Park. College Station, Texas, June 24, 2022
 Leaf of poison ivy in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Ivy leaf Morning glory (Ipomoea cordatotriloba) in Lick Creek Park. College Station, June 15, 2008
 Leaf cutter ant highway across a sandy road in Lick Creek Park. College Station, Texas, June 6, 2018
 Pattern of a leaf of silk tree (Albizia julibrissin) in Bee Creek Park. College Station, Texas, June 24, 2022
 Silver-leaf nightshade (Solanum elaeagnifolium) in Lick Creek Park. College Station, Texas, June 21, 2018
 Leaf of mustang grape (Vitis mustangensis) in Lick Creek Park. College Station, Texas, June 14, 2012
 Narrow-leaf water-primrose (Ludwigia octovalvis) with dew in Lick Creek Park. College Station, June 15, 2008
 White and yellowish tooth-like corticioid fungus on soft rotten wood in Lick Creek Park. College Station, Texas, April 19, 2023
 Some yellowish grainy corticioid fungus on a thin fallen broadleaf tree in Lick Creek Park. College Station, Texas, January 2, 2023
 Texture of yellowish tooth-like corticioid fungus on soft rotten wood in Lick Creek Park. College Station, Texas, April 19, 2023
 Tooth-like texture of yellowish corticioid fungus on soft rotten wood in Lick Creek Park. College Station, Texas, April 19, 2023
 Side view of common true katydid on a leaf in Lick Creek Park. College Station, Texas, June 8, 2022
 Rustweed (juniper leaf, Polypremum procumbens) on a new cutting in Lick Creek Park. College Station, Texas, June 4, 2018
 Poison ivy in Lick Creek Park. College Station, Texas, March 10, 2023
 Blooming poison ivy in Bee Creek Park College Station, Texas, April 25, 2022
 Shoot of poison ivy in Bee Creek Park. College Station, Texas, April 12, 2022
 Brilliant red leaves of spurge Euphorbia prostrata on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
 Poison ivy with flower buds in Bee Creek Park. College Station, Texas, April 12, 2022
 Young leaves of poison ivy in Bee Creek Park. College Station, Texas, March 21, 2024
 Shoot of poison ivy in Wolf Pen Creek Park. College Station, Texas, March 31, 2021
 Fresh leaves of poison ivy in Bee Creek Park. College Station, Texas, April 12, 2022
 Shrubby (narrow-leaf) water-primrose (Ludwigia octovalvis) flower in Lick Creek Park. College Station, Texas, June 8, 2008
 Some green mosses in Lick Creek Park. College Station, Texas, June 20, 2021
 Young leaf of poison ivy in Delaware and Raritan Canal State Park near Carnegie Lake. Princeton, New Jersey, May 8, 2007
 Round leaf of rusty blackhaw viburnum (Viburnum rufidulum) in Lick Creek Park. College Station, Texas, March 22, 2019
 Green powdery lichen on yaupon holly in Lick Creek Park. College Station, Texas, January 18, 2019
 Fall colors of poison oak in Wolf Pen Creek Park. College Station, Texas, December 13, 2020
 Fall colors of poison ivy in Lick Creek Park. College Station, Texas, November 10, 2020
 Reddish young leaves of poison ivy in Bee Creek Park. College Station, Texas, March 21, 2024
 Shoot of poison ivy on an oak tree in Lick Creek Park. College Station, Texas, March 24, 2021
 Yellow leaves of poison ivy in Lick Creek Park. College Station, Texas, July 7, 2012
 Virginia creeper and poison ivy in Wolf Pen Creek Park. College Station, Texas, April 19, 2020
 Back lit leaves and flowers of poison ivy in Bee Creek Park College Station, Texas, April 25, 2022
 Yellowish mold-like fungus with tufts of conidiophores, may be Arthroconidium, Coremiella cubispora or Wallemia, on underside of a broadleaf log in Lick Creek Park. College Station, Texas, January 9, 2023
 Purple pleat-leaf (Pinewood lily, Alophia drummondii, Eustylis purpurea) in Lick Creek Park. College Station, Texas, June 8, 2010
 Tiny white flowers of rustweed (juniper leaf, Polypremum procumbens) on a new cutting in Lick Creek Park. College Station, Texas, June 4, 2018
 Texture of green mosses in Lick Creek Park. College Station, Texas, June 20, 2021
 Green berries of greenbrier (Smilax) in Bee Creek Park in College Station, Texas, June 21, 2012
 Black blotches on underside of the leaf of persimmon (Diospyros virginiana) caused by Cercospora leaf spot fungus Pseudocercospora diospyricola in Bee Creek Park. College Station, Texas, August 31, 2023
 Green dragon (Arisaema dracontium) on Raccoon Run Trail in Lick Creek Park. College Station, Texas, April 5, 2019
 Young leaves and flower buds of poison ivy in Bee Creek Park. College Station, Texas, April 2, 2021
 Eastern poison ivy (Toxicodendron radicans) in Wolf Pen Creek Park. College Station, Texas, April 19, 2020
 Eastern poison ivy (Toxicodendron radicans) in Wolf Pen Creek Park. College Station, Texas, March 19, 2020
 Green immature cones of bald cypress near the creek in Wolf Pen Creek Park. College Station, Texas, June 28, 2022
 Sugarcane aphids (Melanaphis sacchari) covering underside of a leaf of johnsongrass (Sorghum halepense) in Wolf Pen Creek Park. College Station, Texas, June 21, 2021
 Flower of purple pleat-leaf (Pinewood lily, Alophia drummondii, Eustylis purpurea) in Lick Creek Park. College Station, Texas, June 8, 2010
 Green flatsedge (Cyperus virens) in Lick Creek Park. College Station, Texas, June 23, 2020
 Monarch caterpillar from green milkweed on Yaupon Loop Trail in Lick Creek Park. College Station, Texas, April 21, 2019
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