![](../../pictures/archives/compress/2023/3363/jpeg/17t.jpg) Shoot of hackberry in Bee Creek Park. College Station, Texas, March 13, 2023
![](../../pictures/archives/compress/2023/3363/jpeg/16t.jpg) Young leaves of hackberry in Bee Creek Park. College Station, Texas, March 13, 2023
![](../../pictures/archives/compress/2023/3369/jpeg/14t.jpg) Spider on shoot of hackberry (Celtis laevigatus) in Lick Creek Park. College Station, Texas, March 23, 2023
![](../../pictures/archives/compress/2023/3358/jpeg/12t.jpg) Shoots of hackberry (sugarberry, Celtis laevigata) in Lick Creek Park. College Station, Texas, March 7, 2023
![](../../pictures/archives/compress/2023/3374/jpeg/03t.jpg) Young leaves of hackberry (Celtis laevigata) in Wolf Pen Creek Park. College Station, Texas, March 30, 2023
![](../../pictures/archives/compress/2023/3369/jpeg/13t.jpg) Spider on young leaves of hackberry (Celtis laevigatus) in Lick Creek Park. College Station, Texas, March 23, 2023
![](../../pictures/archives/compress/2023/3358/jpeg/11t.jpg) Back lit leaves of hackberry (sugarberry, Celtis laevigata) in Lick Creek Park. College Station, Texas, March 7, 2023
![](../../pictures/archives/compress/2023/3358/jpeg/13t.jpg) Young leaves of hackberry (sugarberry, Celtis laevigata) in Lick Creek Park. College Station, Texas, March 7, 2023
![](../../pictures/archives/compress/2022/3208/jpeg/10t.jpg) Dried elm and hackberry leaves on the ground in Bee Creek Park. College Station, Texas, August 12, 2022
![](../../pictures/archives/compress/2023/3441/jpeg/03t.jpg) Oyster mushrooms (Pleurotus ostreatus) at the base of a hackberry tree in Lick Creek Park. College Station, Texas, December 4, 2023
![](../../pictures/archives/compress/2022/3207/jpeg/12t.jpg) Curled leaves of hackberry on the ground in Wolf Pen Creek Park. College Station, Texas, August 8, 2022
![](../../pictures/archives/compress/2022/3207/jpeg/11t.jpg) Dried leaves of hackberry on the ground in Wolf Pen Creek Park. College Station, Texas, August 8, 2022
![](../../pictures/archives/compress/2022/3204/jpeg/01t.jpg) Dried leaves of hackberry on the ground in Lick Creek Park. College Station, Texas, August 4, 2022
![](../../pictures/archives/compress/2023/3441/jpeg/16t.jpg) Corticioid (crust) fungus on pecan, green ash or hackberry on Racoon Run Trail in Lick Creek Park. College Station, Texas, December 7, 2023
![](../../pictures/archives/compress/2022/3203/jpeg/26t.jpg) Fallen drying leaves of hackberry on the ground in Lick Creek Park. College Station, Texas, August 4, 2022
![](../../pictures/archives/compress/2022/3207/jpeg/10t.jpg) Brown dried leaves of hackberry on the ground in Wolf Pen Creek Park. College Station, Texas, August 8, 2022
![](../../pictures/archives/compress/2022/3207/jpeg/09t.jpg) Curled dried leaves of hackberry on the ground in Wolf Pen Creek Park. College Station, Texas, August 8, 2022
![](../../pictures/archives/compress/2023/3388/jpeg/04t.jpg) Cap of polypore mushroom Bresadolia craterella (Polyporus craterellus) on a fallen hackberry in wet area in Lick Creek Park. College Station, Texas, April 19, 2023
![](../../pictures/archives/compress/2023/3442/jpeg/07t.jpg) Spores of corticioid fungus from pecan, green ash or hackberry, collected a day before on Racoon Run Trail in Lick Creek Park. College Station, Texas, December 8, 2023
![](../../pictures/archives/compress/2023/3324/jpeg/27t.jpg) 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
![](../../pictures/archives/compress/2023/3441/jpeg/18t.jpg) Close-up of corticioid (crust) fungus on pecan, green ash or hackberry on Racoon Run Trail in Lick Creek Park. College Station, Texas, December 7, 2023
![](../../pictures/archives/compress/2023/3324/jpeg/26t.jpg) 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
![](../../pictures/archives/compress/2023/3388/jpeg/05t.jpg) Underside of polypore mushroom Bresadolia craterella (Polyporus craterellus) on a fallen hackberry in wet area in Lick Creek Park. College Station, Texas, April 19, 2023
![](../../pictures/archives/compress/2023/3388/jpeg/11t.jpg) Close-up of a cap of polypore mushroom Bresadolia craterella (Polyporus craterellus) on a fallen hackberry in wet area in Lick Creek Park. College Station, Texas, April 19, 2023
![](../../pictures/archives/compress/2022/3205/jpeg/11t.jpg) Dried curled leaves of mulberry, hackberry and other trees on the ground in Bee Creek Park. College Station, Texas, August 5, 2022
![](../../pictures/archives/compress/2022/3204/jpeg/08t.jpg) Dried leaves of hackberry, elm and mustang grape on the ground in Lick Creek Park. College Station, Texas, August 4, 2022
![](../../pictures/archives/compress/2023/3388/jpeg/10t.jpg) Side view of polypore mushroom Bresadolia craterella (Polyporus craterellus) on a fallen hackberry in wet area in Lick Creek Park. College Station, Texas, April 19, 2023
![](../../pictures/archives/compress/2023/3325/jpeg/14t.jpg) 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
![](../../pictures/archives/compress/2023/3327/jpeg/13t.jpg) Corticioid mushroom Dendrothele macrodens on a fallen branch of hackberry around 20 meters tall, on sewage line right-of-way, in Lick Creek Park. College Station, Texas, January 15, 2023
![](../../pictures/archives/compress/2022/3215/jpeg/07t.jpg) Fungus Trichoderma viride on a stump of hackberry or oak on Racoon Run Trail in Lick Creek Park. College Station, Texas, August 24, 2022
![](../../pictures/archives/compress/2022/3212/jpeg/09t.jpg) Brown rotting leaves of hackberry on the ground after recent rains in Lick Creek Park. College Station, Texas, August 19, 2022
![](../../pictures/archives/compress/2023/3426/jpeg/18t.jpg) 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
![](../../pictures/archives/compress/2023/3327/jpeg/14t.jpg) Close-up of corticioid mushroom Dendrothele macrodens on a fallen branch of hackberry around 20 meters tall, on sewage line right-of-way, in Lick Creek Park. College Station, Texas, January 15, 2023
![](../../pictures/archives/compress/2023/3325/jpeg/13t.jpg) 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
![](../../pictures/archives/compress/2022/3211/jpeg/19t.jpg) 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
![](../../pictures/archives/compress/2022/3212/jpeg/08t.jpg) Brown rotting leaves of green ash and hackberry on the ground after recent rains in Lick Creek Park. College Station, Texas, August 19, 2022
![](../../pictures/archives/compress/2022/3212/jpeg/03t.jpg) Brown rotting leaves of mulberry and hackberry on the ground after recent rains in Lick Creek Park. College Station, Texas, August 19, 2022
![](../../pictures/archives/compress/2023/3426/jpeg/16t.jpg) 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
![](../../pictures/archives/compress/2023/3426/jpeg/10t.jpg) 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
![](../../pictures/archives/compress/2023/3426/jpeg/13t.jpg) 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
![](../../pictures/archives/compress/2023/3325/jpeg/12t.jpg) 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
![](../../pictures/archives/compress/2023/3426/jpeg/14t.jpg) 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
![](../../pictures/archives/compress/2023/3388/jpeg/03t.jpg) Polypore mushroom Bresadolia craterella (Polyporus craterellus) on a fallen secondary trunk of hackberry in wet area that was flooded a week before, in Lick Creek Park. College Station, Texas, April 19, 2023
![](../../pictures/archives/compress/2022/3215/jpeg/11t.jpg) Unusual growth of fungus Vitreoporus dichrous on a stump of hackberry or oak on Racoon Run Trail in Lick Creek Park. College Station, Texas, August 24, 2022
![](../../pictures/archives/compress/2022/3215/jpeg/12t.jpg) Young growth of fungus Vitreoporus dichrous on a stump of hackberry or oak on Racoon Run Trail in Lick Creek Park. College Station, Texas, August 24, 2022
![](../../pictures/archives/compress/2022/3215/jpeg/10t.jpg) Green growth of fungus Trichoderma viride on a stump of hackberry or oak on Racoon Run Trail in Lick Creek Park. College Station, Texas, August 24, 2022
![](../../pictures/archives/compress/2022/3212/jpeg/15t.jpg) Brown rotting leaves of mustang grape and hackberry on the ground after recent rains in Lick Creek Park. College Station, Texas, August 19, 2022
![](../../pictures/archives/compress/2022/3215/jpeg/13t.jpg) Polypore fungus Vitreoporus dichrous on a cut surface of a stump of hackberry or oak on Racoon Run Trail in Lick Creek Park. College Station, Texas, August 24, 2022
![](../../pictures/archives/compress/2022/3215/jpeg/09t.jpg) Green crust of fungus Trichoderma viride on a stump of hackberry or oak on Racoon Run Trail in Lick Creek Park. College Station, Texas, August 24, 2022
![](../../pictures/archives/compress/2023/3322/jpeg/08t.jpg) Dry stems of box elder or hackberry with resupinate polypore mushroom Cerioporus mollis (Datronia mollis) collected in Bee Creek Park. College Station, Texas, January 5, 2023
![](../../pictures/archives/compress/2023/3322/jpeg/09t.jpg) Stems of box elder or hackberry with common mazegill polypore mushroom Cerioporus mollis (Datronia mollis) collected in Bee Creek Park. College Station, Texas, January 5, 2023
![](../../pictures/archives/compress/2022/3215/jpeg/08t.jpg) Polypore fungus Vitreoporus dichrous on upper surface of a stump of hackberry or oak on Racoon Run Trail in Lick Creek Park. College Station, Texas, August 24, 2022
![](../../pictures/archives/compress/2023/3325/jpeg/11t.jpg) 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
![](../../pictures/archives/compress/2023/3426/jpeg/17t.jpg) 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
![](../../pictures/archives/compress/2022/3211/jpeg/20t.jpg) Brown leaves of muscat grape, hackberry and other trees on the ground after recent rains on Racoon Run Trail in Lick Creek Park. College Station, Texas, August 19, 2022
![](../../pictures/archives/compress/2022/3212/jpeg/17t.jpg) Brown rotting leaves of mustang grape and black leaf of hackberry on the ground after recent rains in Lick Creek Park. College Station, Texas, August 19, 2022
![](../../pictures/archives/compress/2023/3327/jpeg/15t.jpg) Large hackberry tree with recently fallen large branches with corticioid mushroom Dendrothele macrodens, on sewage line right-of-way, in Lick Creek Park. College Station, Texas, January 15, 2023
![](../../pictures/archives/compress/2021/2902/jpeg/07t.jpg) Insect galls on mustang grape(?) in Bee Creek Park. College Station, Texas, April 9, 2021
![](../../pictures/archives/compress/2023/3426/jpeg/09t.jpg) 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
![](../../pictures/archives/compress/2024/3606/jpeg/03t.jpg) Crustose lichens in ultraviolet light on bark of a hackberry in Lemontree Park. College Station, Texas, August 22, 2024
![](../../pictures/archives/compress/2019/2526/jpeg/11t.jpg) Yellowish-green and brilliant red wart-like galls on leaf surfaces of poison ivy in Bee Creek Park. College Station, Texas, June 10, 2019
![](../../pictures/archives/compress/2021/3012/jpeg/13t.jpg) 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
![](../../pictures/archives/compress/2019/2526/jpeg/13t.jpg) 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
![](../../pictures/archives/compress/2024/3496/jpeg/11t.jpg) Shoot of hackberry in Bee Creek Park. College Station, Texas, March 21, 2024
![](../../pictures/archives/compress/2021/2889/jpeg/30t.jpg) 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
![](../../pictures/archives/compress/2019/2526/jpeg/10t.jpg) 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
![](../../pictures/archives/compress/2024/3499/jpeg/05t.jpg) Shoots of hackberry tree in Bee Creek Park. College Station, Texas, March 25, 2024
![](../../pictures/archives/compress/2020/2813/jpeg/30t.jpg) Hackberry(?) bark in Lick Creek Park. College Station, Texas, November 10, 2020
![](../../pictures/archives/compress/2021/2897/jpeg/11t.jpg) Young leaves of hackberry in Bee Creek Park. College Station, Texas, April 2, 2021
![](../../pictures/archives/compress/2019/2526/jpeg/12t.jpg) 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
![](../../pictures/archives/compress/2024/3483/jpeg/09t.jpg) Young leaves of hackberry tree in Bee Creek Park. College Station, March 7, 2024
![](../../pictures/archives/compress/2019/2471/jpeg/06t.jpg) Hackberry (Celtis laevigata)(?) in Lick Creek Park. College Station, Texas, March 22, 2019
![](../../pictures/archives/compress/2024/3496/jpeg/05t.jpg) Young leaves on hackberry tree in Bee Creek Park. College Station, Texas, March 21, 2024
![](../../pictures/archives/compress/2021/2902/jpeg/06t.jpg) Small ant on bark of a hackberry tree in Bee Creek Park. College Station, Texas, April 9, 2021
![](../../pictures/archives/compress/2024/3496/jpeg/06t.jpg) Back lit leaves on hackberry tree in Bee Creek Park. College Station, Texas, March 21, 2024
![](../../pictures/archives/compress/2024/3485/jpeg/23t.jpg) Young leaves of hackberry tree in Lick Creek Park. College Station, Texas, March 12, 2024
![](../../pictures/archives/compress/2016/1803/jpeg/05t.jpg) Branch of Haloxylon salicornicum (Hammada elegance) with flower galls (bird-beak-shaped galls) taken from a roadside of Salwa Highway. Southern Qatar, April 8, 2016
![](../../pictures/archives/compress/2011/905/jpeg/21t.jpg) Bark of hackberry tree near Racoon Run Trail in Lick Creek Park. College Station, Texas, January 4, 2011
![](../../pictures/archives/compress/2010/900/jpeg/27t.jpg) Texture of bark of hackberry on Racoon Run Trail in Lick Creek Park. College Station, Texas, December 21, 2010
![](../../pictures/archives/compress/2021/3052/jpeg/26t.jpg) Yellow leaves of hackberry damaged by a fungus in Wolf Pen Creek Park. College Station, Texas, November 2, 2021
![](../../pictures/archives/compress/2023/3411/jpeg/16t.jpg) Shoot of water-primrose (Ludwigia) from Lick Creek Park. College Station, Texas, August 8, 2023
![](../../pictures/archives/compress/2023/3412/jpeg/01t.jpg) Bat observation cabin near Deer Run Trail in Lick Creek Park. College Station, Texas, August 22, 2023
![](../../pictures/archives/compress/2011/905/jpeg/22t.jpg) Corky bark of hackberry tree near Racoon Run Trail in Lick Creek Park. College Station, Texas, January 4, 2011
![](../../pictures/archives/compress/2022/3240/jpeg/11t.jpg) Cap of Leucocoprinus cretaceus mushroom on rotting wood of elm, hackberry or oak in Lick Creek Park. College Station, Texas, September 12, 2022
![](../../pictures/archives/compress/2019/2428/jpeg/01t.jpg) Bark rash lichen (Pyrenula cruenta) on hackberry in Lick Creek Park. College Station, Texas, January 9, 2019
![](../../pictures/archives/compress/2015/1578/jpeg/17t.jpg) Twig of Haloxylon salicornicum (Hammada elegance) with flower galls (bird-beak-shaped galls) taken from roadside of Salwa Road in area of Rawdat Ekdaim. Southern Qatar, April 11, 2015
![](../../pictures/archives/compress/2023/3411/jpeg/17t.jpg) Glossy leaves of water-primrose (Ludwigia) from Lick Creek Park. College Station, Texas, August 8, 2023
![](../../pictures/archives/compress/2023/3411/jpeg/29t.jpg) Small matweed (Guilleminea densa, Amaranthaceae) from a lawn in Bee Creek Park. College Station, Texas, August 16, 2023
![](../../pictures/archives/compress/2023/3412/jpeg/02t.jpg) Overgrown bat observation cabin near Deer Run Trail in Lick Creek Park. College Station, Texas, August 22, 2023
![](../../pictures/archives/compress/2011/906/jpeg/17t.jpg) Sapsucker holes in warty bark of hackberry near Racoon Run Trail in Lick Creek Park. College Station, Texas, January 14, 2011
![](../../pictures/archives/compress/2024/3639/jpeg/30t.jpg) 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
![](../../pictures/archives/compress/2022/3240/jpeg/12t.jpg) Underside of Leucocoprinus cretaceus mushroom on rotting wood of elm, hackberry or oak in Lick Creek Park. College Station, Texas, September 12, 2022
![](../../pictures/archives/compress/2015/1576/jpeg/23t.jpg) Haloxylon salicornicum (Hammada elegance) with bird-beak-shaped galls (flower galls) in windblown sand on roadside of Salwa Road in area of Rawdat Ekdaim. Southern Qatar, April 11, 2015
![](../../pictures/archives/compress/2015/1577/jpeg/09t.jpg) Haloxylon salicornicum (Hammada elegance) with flower galls (bird-beak-shaped galls) in windblown sand on roadside of Salwa Road in area of Rawdat Ekdaim. Southern Qatar, April 11, 2015
![](../../pictures/archives/compress/2015/1578/jpeg/16t.jpg) Colorful fruit-like galls (flower, or bird-beak-shaped galls) on Haloxylon salicornicum (Hammada elegance) taken from roadside of Salwa Road in area of Rawdat Ekdaim. Southern Qatar, April 11, 2015
![](../../pictures/archives/compress/2019/2526/jpeg/14t.jpg) 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
![](../../pictures/archives/compress/2013/1229/jpeg/09t.jpg) Sugarberry (hackberry, Celtis laevigata) tree bark on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 17, 2013
![](../../pictures/archives/compress/2022/3240/jpeg/13t.jpg) Side view of Leucocoprinus cretaceus mushroom on rotting wood of elm, hackberry or oak in Lick Creek Park. College Station, Texas, September 12, 2022
![](../../pictures/archives/compress/2019/2428/jpeg/04t.jpg) Powdery medallion lichen (Dirinaria applanata) on a small hackberry tree in Lick Creek Park. College Station, Texas, January 9, 2019
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