 Bark sulphur-firedot lichen (Gyalolechia flavorubescens, Caloplaca flavorubescens) on bark of hackberry tree in Lick Creek Park. College Station, Texas, January 1, 2019
 Texture of bark sulphur-firedot lichen (Gyalolechia flavorubescens, Caloplaca flavorubescens) on bark of hackberry tree in Lick Creek Park. College Station, Texas, January 1, 2019
 Pattern of bark sulphur-firedot lichen (Gyalolechia flavorubescens, Caloplaca flavorubescens) on bark of hackberry tree in Lick Creek Park. College Station, Texas, January 1, 2019
 Orange apothecia of bark sulphur-firedot lichen (Gyalolechia flavorubescens, Caloplaca flavorubescens) on bark of hackberry tree in Lick Creek Park. College Station, Texas, January 1, 2019
 Texture of bark of hackberry on Racoon Run Trail in Lick Creek Park. College Station, Texas, December 21, 2010
 Bark of hackberry tree near Racoon Run Trail in Lick Creek Park. College Station, Texas, January 4, 2011
 Corky bark of hackberry tree near Racoon Run Trail in Lick Creek Park. College Station, Texas, January 4, 2011
 Bark rash lichen (Pyrenula cruenta) on hackberry in Lick Creek Park. College Station, Texas, January 9, 2019
 Sapsucker holes in warty bark of hackberry near Racoon Run Trail in Lick Creek Park. College Station, Texas, January 14, 2011
 Crimson warts of bark rash lichen (Pyrenula cruenta) on hackberry in Lick Creek Park. College Station, Texas, January 9, 2019
 Sugarberry (hackberry, Celtis laevigata) tree bark on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 17, 2013
 Warty texture of bark of hackberry (Celtis laevigata) on Racoon Run Trail in Lick Creek Park. College Station, Texas, December 17, 2008
 Corticioid mushroom Dendrothele macrodens on bark of a recently fallen big hackberry on a pipeline right of way in Lick Creek Park. College Station, Texas, January 9, 2023
 Crustose lichens on bark of hackberry in ultraviolet light in Lemontree Park. College Station, Texas, November 5, 2024
 Rough bark of winged elm (Ulmus alata) on Post Oak Trail in Lick Creek Park. College Station, Texas, November 27, 2020
 Close-up of corticioid mushroom Dendrothele macrodens on bark of a recently fallen large hackberry in Lick Creek Park. College Station, Texas, January 9, 2023
 Polygonal spores of corticioid mushroom Dendrothele macrodens from bark of a recently fallen big hackberry, collected a day before in Lick Creek Park. College Station, Texas, January 10, 2023
 Polygonal spores at low magnification of corticioid mushroom Dendrothele macrodens from bark of a recently fallen big hackberry, collected a day before in Lick Creek Park. College Station, Texas, January 10, 2023
 Blue and orange fluorescent lichens on bark of hackberry in ultraviolet light in Lemontree Park. College Station, Texas, November 5, 2024
 Large spores of unusual shape of corticioid mushroom Dendrothele macrodens from bark of a recently fallen big hackberry, collected a day before in Lick Creek Park. College Station, Texas, January 10, 2023
 Close-up of blue and orange fluorescent lichens on bark of hackberry in ultraviolet light in Lemontree Park. College Station, Texas, November 5, 2024
 Bark sulphur-firedot lichen (Gyalolechia flavorubescens, Caloplaca flavorubescens) on a hackberry tree in Lick Creek Park. College Station, Texas, February 3, 2019
 Speckled blister lichen Trypethelium tropicum (Nigrovothelium tropicum) on bark of hackberry tree in Lick Creek Park. College Station, Texas, January 1, 2019
 Close up of bark sulphur-firedot lichen (Gyalolechia flavorubescens, Caloplaca flavorubescens) on a hackberry tree in Lick Creek Park. College Station, Texas, February 3, 2019
 Texture of bark sulphur-firedot lichen (Gyalolechia flavorubescens, Caloplaca flavorubescens) on a hackberry tree in Lick Creek Park. College Station, Texas, February 3, 2019
 Speckled blister lichen Trypethelium tropicum (Nigrovothelium tropicum) with black perithecia on bark of hackberry tree in Lick Creek Park. College Station, Texas, January 1, 2019
 Spores shaped as viruses or blood clots of corticioid mushroom Dendrothele macrodens from bark of a recently fallen big hackberry tree, collected a day before in Lick Creek Park. College Station, Texas, January 10, 2023
 Small ant on bark of a hackberry tree in Bee Creek Park. College Station, Texas, April 9, 2021
 Dry oak and hackberry leaves and sandstone with algae on a path in ultraviolet light in Lick Creek Park. College Station, Texas, November 8, 2024
 Bark of water oak in Lick Creek Park. College Station, Texas, November 30, 2012
 Corky bark in Lick Creek Park. College Station, Texas, November 30, 2012
 Oak bark with white lichen in Lick Creek Park. College Station, Texas, December 11, 2020
 Dry oak and hackberry leaves and sandstone with algae on a path when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight in Lick Creek Park. College Station, Texas, November 8, 2024
 Rough bark of Mexican plum in Lick Creek Park. College Station, Texas, December 11, 2020
 Detail of hackberry bark in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 12, 2020
 Tree bark on Racoon Run Trail in Lick Creek Park. College Station, Texas, November 1, 2012
 Spores (in KOH) of chestnut brittlestem mushrooms Homophron spadiceum (Psathyrella spadicea) from the base of a hackberry tree, collected in Lick Creek Park. College Station, Texas, November 15, 2023
 Tiny liverwort on bark of hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2020
 Lichen Dirinaria confusa(?) on bark of hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2020
 Script lichen (Graphis) on bark of hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2020
 Warty bark of hackberry (Celtis laevigata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2020
 Tissues (in Congo Red) of chestnut brittlestem mushrooms Homophron spadiceum (Psathyrella spadicea) from the base of a hackberry tree, collected in Lick Creek Park. College Station, Texas, November 15, 2023
 Underside of chestnut brittlestem mushrooms Homophron spadiceum (Psathyrella spadicea) at the base of a hackberry tree on Racoon Run Trail in Lick Creek Park. College Station, Texas, November 15, 2023
 Basidia and spores of chestnut brittlestem mushrooms Homophron spadiceum (Psathyrella spadicea) from the base of a hackberry tree, collected in Lick Creek Park. College Station, Texas, November 15, 2023
 Cystidia and spores of chestnut brittlestem mushrooms Homophron spadiceum (Psathyrella spadicea) from the base of a hackberry tree, collected in Lick Creek Park. College Station, Texas, November 15, 2023
 Typical white stripe of a lichen on bark of water oak in Lick Creek Park. College Station, Texas, December 11, 2020
 Small stagshorn mushrooms (Calocera cornea) on wet wood without bark in Lick Creek Park. College Station, Texas, May 26, 2020
 Map-like texture of lichens on bark of hackberry (Celtis laevigata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2020
 Close-up of texture of lichens on bark of hackberry (Celtis laevigata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2020
 Common Button Lichen (Buellia stillingiana) on bark of hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2020
 Script lichen Graphis lineola(?) on bark of a hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2020
 Pale brown Mycena(?) mushrooms on bark of a large fallen tree in Lick Creek Park. College Station, Texas, May 27, 2020
 Crustose lichens in ultraviolet light on bark of a hackberry in Lemontree Park. College Station, Texas, August 22, 2024
 White fringe lichen (Heterodermia albicans) on bark of a hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2020
 Spores (in KOH, spore print brown) of chestnut brittlestem mushrooms Homophron spadiceum (Psathyrella spadicea) from the base of a hackberry tree, collected in Lick Creek Park. College Station, Texas, November 15, 2023
 Chestnut brittlestem mushrooms Homophron spadiceum (Psathyrella spadicea) (cap 10 cm, stem 2 cm thick) at the base of a hackberry tree in area of oxbows, on Racoon Run Trail in Lick Creek Park. College Station, Texas, November 15, 2023
 Brown resupinate polypore mushroom Fuscoporia (Hymenochaetaceae) growing over bark on underside of a log in Lick Creek Park. College Station, Texas, January 20, 2020
 Sunken bloodspot lichen (Haematomma persoonii) on bark of hackberry tree in Lemontree Park. College Station, Texas, January 2, 2019
 Crustose lichens on bark of a fallen water oak in ultraviolet light on Racoon Run Trail in Lick Creek Park. College Station, Texas, November 15, 2024
 Red apothecia of sunken bloodspot lichen (Haematomma persoonii) on bark of hackberry tree in Lemontree Park. College Station, Texas, January 2, 2019
 Texture of sunken bloodspot lichen (Haematomma persoonii) on bark of hackberry tree in Lemontree Park. College Station, Texas, January 2, 2019
 Cracked ruffle lichen (Parmotrema reticulatum, Rimelia reticulata) on bark of hackberry tree in Lemontree Park. College Station, Texas, January 2, 2019
 Yellow leaves of hackberry damaged by a fungus in Wolf Pen Creek Park. College Station, Texas, November 2, 2021
 Hackberry (Celtis laevigata)(?) in Lick Creek Park. College Station, Texas, March 22, 2019
 Dried leaves of hackberry on the ground in Lick Creek Park. College Station, Texas, August 4, 2022
 Young leaves of hackberry tree in Lick Creek Park. College Station, Texas, March 12, 2024
 A bridge in Lick Creek Park. College Station, Texas, November 10, 2020
 Shoots of hackberry (sugarberry, Celtis laevigata) in Lick Creek Park. College Station, Texas, March 7, 2023
 Spider on shoot of hackberry (Celtis laevigatus) in Lick Creek Park. College Station, Texas, March 23, 2023
 Fallen drying leaves of hackberry on the ground in Lick Creek Park. College Station, Texas, August 4, 2022
 Dried leaves of hackberry, elm and mustang grape on the ground in Lick Creek Park. College Station, Texas, August 4, 2022
 Spider on young leaves of hackberry (Celtis laevigatus) in Lick Creek Park. College Station, Texas, March 23, 2023
 Young leaves of hackberry (sugarberry, Celtis laevigata) in Lick Creek Park. College Station, Texas, March 7, 2023
 Back lit leaves of hackberry (sugarberry, Celtis laevigata) in Lick Creek Park. College Station, Texas, March 7, 2023
 Cap of Leucocoprinus cretaceus mushroom on rotting wood of elm, hackberry or oak in Lick Creek Park. College Station, Texas, September 12, 2022
 Alum Creek from a bridge in Lick Creek Park. College Station, Texas, November 10, 2020
 Fall colors of poison ivy in Lick Creek Park. College Station, Texas, November 10, 2020
 Winged elm (Ulmus alata) in Lick Creek Park. College Station, Texas, November 10, 2020
 Underside of Leucocoprinus cretaceus mushroom on rotting wood of elm, hackberry or oak in Lick Creek Park. College Station, Texas, September 12, 2022
 Brown rotting leaves of hackberry on the ground after recent rains in Lick Creek Park. College Station, Texas, August 19, 2022
 Fungus Trichoderma viride on a stump of hackberry or oak on Racoon Run Trail in Lick Creek Park. College Station, Texas, August 24, 2022
 Oyster mushrooms (Pleurotus ostreatus) at the base of a hackberry tree in Lick Creek Park. College Station, Texas, December 4, 2023
 Bushy bluestem (Andropogon glomeratus) in Lick Creek Park. College Station, Texas, November 22, 2020
 Pink leaves of Virginia creeper in Lick Creek Park. College Station, Texas, November 10, 2020
 Dry seeds of dog fennel (Eupatorium capillifolium) in Lick Creek Park. College Station, Texas, November 22, 2020
 Dog fennel (Eupatorium capillifolium) with seeds in Lick Creek Park. College Station, Texas, November 22, 2020
 Gummy on a Mexican plum tree in Lick Creek Park. College Station, Texas, November 10, 2020
 Fall colors of Virginia creeper in Lick Creek Park. College Station, Texas, November 10, 2020
 Fall colors of black locust(?) in Lick Creek Park. College Station, Texas, November 10, 2020
 Yaupon holly (Ilex vomitoria) in Lick Creek Park. College Station, Texas, November 10, 2020
 Pixie-hair lichen (Coenogonium implexum) on bark of hackberry in area of Caney Creek crossing on Lone Star Hiking Trail in Sam Houston National Forest near Huntsville, Texas, February 9, 2020
 Side view of Leucocoprinus cretaceus mushroom on rotting wood of elm, hackberry or oak in Lick Creek Park. College Station, Texas, September 12, 2022
 Corticioid (crust) fungus on pecan, green ash or hackberry on Racoon Run Trail in Lick Creek Park. College Station, Texas, December 7, 2023
 Powdery medallion lichen (Dirinaria applanata) on a small hackberry tree in Lick Creek Park. College Station, Texas, January 9, 2019
 Brown leaves of hackberry and elm on the ground after recent rains on Racoon Run Trail in Lick Creek Park. College Station, Texas, August 19, 2022
 Brown rotting leaves of green ash and hackberry on the ground after recent rains in Lick Creek Park. College Station, Texas, August 19, 2022
 Brown rotting leaves of mulberry and hackberry on the ground after recent rains in Lick Creek Park. College Station, Texas, August 19, 2022
 Bark of hackberry (Celtis laevigata) with ice on a golf course on campus of Texas A and M University. College Station, Texas, February 14, 2021
 Fluffy seeds of dog fennel (Eupatorium capillifolium) in Lick Creek Park. College Station, Texas, November 22, 2020
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