 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
 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
 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
 Yellowish-green and brilliant red wart-like galls on leaf surfaces of poison ivy in Bee Creek Park. College Station, Texas, June 10, 2019
 Red velvety patches on a birch leaf caused by the eriophyid mite in Sosnovka Park. Saint Petersburg, Russia, June 29, 2017
 Red velvety patches on a birch leaf caused by the velvet erineum gall eriophyid mite in Sosnovka Park. Saint Petersburg, Russia, June 29, 2017
 Velvety patches on a birch leaf caused by the velvet erineum gall eriophyid mite in Sosnovka Park. Saint Petersburg, Russia, August 21, 2017
 Galls (numerous pale green warts) on leaves of common ragweed (Ambrosia artemisiifolia) caused by eriophyid gall mites at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 30, 2021
 Some mite from a plant leaf under microscope, collected in Lick Creek Park. College Station, Texas, April 18, 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
 Reddish young leaves of poison ivy in Bee Creek Park. College Station, Texas, March 21, 2024
 Distorted leaves of common ragweed (Ambrosia artemisiifolia) with galls caused by eriophyid mites in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, August 25, 2021
 Close up of reddish spots on a leaf of Drummond s beeblossom (Oenothera xenogaura, Gaura drummondii) developed under low light and cool growing conditions in Wolf Pen Creek Park. College Station, Texas, March 24, 2019
 Green camouflage of common true katydid on a leaf in Lick Creek Park. College Station, Texas, June 8, 2022
 Upper view of a small reddish-brown gilled mushroom in moss on Closed Trail in Lick Creek Park. College Station, Texas, May 6, 2024
 Galls caused by eriophyid mites on leaves of common ragweed (Ambrosia artemisiifolia) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 3, 2021
 Leaves of common ragweed (Ambrosia artemisiifolia) with galls caused by eriophyid mites at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 3, 2021
 Distorted leaves of common ragweed (Ambrosia artemisiifolia) with galls caused by eriophyid mites at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 3, 2021
 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
 Sporangia of bladder-moss (Physcomitrium pyriforme) on Post Oak Trail in Lick Creek Park. College Station, Texas, March 11, 2019
 Leaf cutting ant mound on a sandy road in Lick Creek Park. College Station, Texas, June 6, 2019
 Close-up of a leaf of curly dock (Rumex crispus) with reddish purple blotches caused by fungus Ramularia rubella in Bee Creek Park. College Station, Texas, February 24, 2023
 Underside of a leaf of curly dock (Rumex crispus) with reddish purple blotches caused by fungus Ramularia rubella in Bee Creek Park. College Station, Texas, February 24, 2023
 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
 Orange sporangia of bladder-moss (Physcomitrium pyriforme) on a side of Post Oak Trail in Lick Creek Park. College Station, Texas, February 20, 2019
 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 lynx spider on a yellow flower of aster family in Lick Creek Park. College Station, Texas, October 17, 2010
 Upper and lower cap surfaces of bicoloured bracket mushroom (Gelatoporia dichroa, Vitreoporus dichrous) on a dry red cedar tree without bark at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 29, 2020
 Green and orange foliose lichens on a fallen oak twig in Lick Creek Park. College Station, Texas, June 18, 2019
 Galls on an oak leaf near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 Galls under an oak leaf in Birch Creek Unit of Somerville Lake State Park. Texas, November 11, 2012
 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
 Some tiny mite under a microscope, fallen from a polypore collected a day before in Lick Creek Park. College Station, Texas, September 21, 2022
 Buttonbush with leaf galls caused by mites Aceria cephalanthi in Watson Rare Native Plant Preserve. Warren, Texas, June 25, 2022
 Blob of foam (masses of frothy bubbles) produced by spittlebugs on grass in Lick Creek Park. College Station, Texas, April 18, 2008
 Blob of foam (masses of frothy bubbles) produced by spittlebugs on grass in Lick Creek Park. College Station, Texas, April 12, 2021
 Leaf tip of common green moss through a microscope, collected on a lawn in Bee Creek Park. College Station, Texas, February 11, 2022
 Reddish-brown bitter bolete mushrooms (Tylopilus rubrobrunneus) in Lick Creek Park. College Station, Texas, June 2, 2020
 Blob of foam (masses of bubbles) produced by spittlebugs on Iron Bridge Trail in Lick Creek Park. College Station, Texas, April 27, 2010
 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
 Blister-like pustules on underside and yellow-orange sunken spots on upper leaf surface of Carolina bristlemallow (Modiola caroliniana) caused by rust fungus Puccinia modiolae, taken from a lawn near apartments on George Bush Drive. College Station, Texas, March 13, 2019
 Green flowers of lily family in Peter the Great Botanical Garden of Komarov Botanical Institute. Saint Petersburg, Russia, June 3, 2019
 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
 Fluffy seed head of a plant of aster family in Wolf Pen Creek Park. College Station, Texas, April 24, 2019
 Fresh reddish leaves on a tree of rose family in Peter the Great Botanical Garden of Komarov Botanical Institute. Saint Petersburg, Russia, May 7, 2019
 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
 Brown moths on a leaf near Angliyskaya Alley in Upper Park. Oranienbaum (Lomonosov), a suburb of Saint Petersburg, Russia, June 22, 2014
 Venation of sycamore leaf in Lick Creek Park. College Station, Texas, August 2, 2019
 Back lit sycamore leaf in Lick Creek Park. College Station, Texas, August 2, 2019
 Reddish brown caps of polypore mushrooms Picipes virgatus (Polyporus virgatus, P. amygdalinus) on an oak log in Lick Creek Park. College Station, Texas, June 3, 2018
 Underside of a young sycamore leaf in Lick Creek Park. College Station, Texas, August 2, 2019
 Upper view of velvet tooth mushrooms Hydnellum spongiosipes enveloping oak leaves in Lick Creek Park. College Station, Texas, July 5, 2019
 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
 Upper view of wine glass fungus (Podoscypha petalodes) taken from Lick Creek Park. College Station, Texas, June 16, 2018
 Leaf texture of an icy leaf of curly dock near the creek in Bee Creek Park. College Station, Texas, January 4, 2022
 Leaf of mustang grape in Lick Creek Park. College Station, Texas, June 20, 2012
 Back lit leaf of greenbrier (Smilax) in dew in Bee Creek Park in College Station, Texas, June 21, 2012
 Close up of a leaf of greenbrier (Smilax) in dew in Bee Creek Park in College Station, Texas, June 21, 2012
 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
 Reddish shoot of elm(?) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 29, 2019
 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
 Grape Tomato Gall, Lasioptera vitis (mass of irregular swellings produced by the larva of a small two-winged fly) on mustang grape on Iron Bridge Trail in Lick Creek Park. College Station, Texas, May 4, 2010
 Leaf of poison ivy in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Basidioles(?) of bladder stalks fungus (Physalacria inflata) collected in Lick Creek Park. College Station, Texas, April 29, 2023
 Spores of bladder stalks fungus (Physalacria inflata) collected a day before in Lick Creek Park. College Station, Texas, April 30, 2023
 Cystidia of bladder stalks fungus (Physalacria inflata) collected in Lick Creek Park. College Station, Texas, April 29, 2023
 Upper view of wine glass mushrooms (Podoscypha petalodes) on a sandy path in Lick Creek Park. College Station, Texas, June 21, 2018
 Ivy leaf Morning glory (Ipomoea cordatotriloba) in Lick Creek Park. College Station, June 15, 2008
 Pattern of a leaf of silk tree (Albizia julibrissin) in Bee Creek Park. College Station, Texas, June 24, 2022
 Leaf of mustang grape (Vitis mustangensis) in Lick Creek Park. College Station, Texas, June 14, 2012
 Silver-leaf nightshade (Solanum elaeagnifolium) in Lick Creek Park. College Station, Texas, June 21, 2018
 Leaf cutter ant highway across a sandy road in Lick Creek Park. College Station, Texas, June 6, 2018
 Tissues and hyphae of bladder stalks fungus (Physalacria inflata) collected in Lick Creek Park. College Station, Texas, April 29, 2023
 Cystidia and basidioles(?) of bladder stalks fungus (Physalacria inflata) collected in Lick Creek Park. College Station, Texas, April 29, 2023
 Bladder stalks fungus (Physalacria inflata) on an oak log on Iron Bridge Trail in Lick Creek Park. College Station, Texas, April 29, 2023
 Tissues of bladder stalks fungus (Physalacria inflata) at low magnification collected in Lick Creek Park. College Station, Texas, April 29, 2023
 Green flowers of lily family in Antique Rose Emporium. Independence, Texas, August 10, 2019
 Narrow-leaf water-primrose (Ludwigia octovalvis) with dew in Lick Creek Park. College Station, June 15, 2008
 Leaf of lettuce from a supermarket (Mann s Family Favorites, Romaine Hearts, Walmart) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight. College Station, Texas, August 25, 2024
 Rustweed (juniper leaf, Polypremum procumbens) on a new cutting in Lick Creek Park. College Station, Texas, June 4, 2018
 Side view of common true katydid on a leaf in Lick Creek Park. College Station, Texas, June 8, 2022
 Cystidia and and some round cells of bladder stalks fungus (Physalacria inflata) collected in Lick Creek Park. College Station, Texas, April 29, 2023
 Close-up of bladder stalks fungus (Physalacria inflata) on an oak log on Iron Bridge Trail in Lick Creek Park. College Station, Texas, April 29, 2023
 Cystidia and other cells of bladder stalks fungus (Physalacria inflata) at low magnification collected in Lick Creek Park. College Station, Texas, April 29, 2023
 Upper view of violet coral mushrooms (Clavaria zollingeri) on white moss (Leucobryum albidum) on sandy soil near a small creek in Lick Creek Park. College Station, Texas, June 1, 2021
 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
 Poison ivy in Lick Creek Park. College Station, Texas, March 10, 2023
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