 Leaves of yaupon holly (Ilex vomitoria) with black spots caused by rust like fungus in Hensel Park. College Station, Texas, June 5, 2019
 Leaves of yaupon holly (Ilex vomitoria) with rust like fungus in Hensel Park. College Station, Texas, June 5, 2019
 Red berries of yaupon holly (Ilex vomitoria) on black background in Lake Bryan Park. Bryan, Texas, November 30, 2018
 Ice crystals on leaves of yaupon holly (Ilex vomitoria) in Lick Creek Park. College Station, Texas, January 17, 2013
 Young leaves and flowers of yaupon holly (Ilex vomitoria) in Lick Creek Park. College Station, Texas, April 29, 2009
 Blooming yaupon holly (Ilex vomitoria) in Lick Creek Park. College Station, Texas, April 5, 2019
 Flowers of yaupon holly (Ilex vomitoria) in Lick Creek Park. College Station, Texas, April 5, 2019
 Blooming yaupon holly (Ilex vomitoria) in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, April 3, 2019
 Yaupon holly (Ilex vomitoria) in Lick Creek Park. College Station, Texas, November 10, 2020
 Red berries of yaupon holly (Ilex vomitoria) with freeze in Lick Creek Park. College Station, Texas, December 27, 2010
 Flowers and last year berries on a bush of yaupon holly (Ilex vomitoria) in Lick Creek Park. College Station, Texas, April 19, 2009
 Yaupon holly (Ilex vomitoria) on polo fields of Texas A and M University. College Station, Texas, December 2, 2017
 Bush of yaupon holly (Ilex vomitoria) in TAMU Holistic Garden in Texas A and M University. College Station, Texas, January 2, 2009
 Close-up of berries of yaupon holly (Ilex vomitoria) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, November 21, 2008
 Berries of yaupon holly (Ilex vomitoria) with snow in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, December 10, 2008
 Flowers and last year berries of yaupon holly (Ilex vomitoria) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 3, 2009
 Red berries growing on branches of yaupon holly (Ilex vomitoria) in TAMU Holistic Garden in Texas A and M University. College Station, Texas, January 10, 2009
 Red berries left from last year and flowers on a bush of yaupon holly (Ilex vomitoria) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 10, 2009
 Leaves of hickory with black spots and holes caused by insects(?) on Richards Loop Trail in Sam Houston National Forest. Texas, June 2, 2021
 Red berries of yaupon holly (Ilex vomitoria) in Lake Bryan Park. Bryan, Texas, November 30, 2018
 Black crust fungus Biscogniauxia repanda on a dry Yaupon holly(?) in Lick Creek Park. College Station, Texas, February 13, 2020
 Blooming yaupon holly (Ilex vomitoria) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Blooming possum-haw holly (deciduous yaupon, Ilex decidua) in Lick Creek Park. College Station, Texas, April 5, 2019
 Black blotches on leaves of persimmon (Diospyros virginiana) caused by Cercospora leaf spot fungus Pseudocercospora diospyricola in Lick Creek Park. College Station, Texas, August 12, 2021
 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
 Felty brown fibrecap mushrooms Inocybe unicolor(?) (Mallocybe) from a grassy field on black background in Hensel Park. College Station, Texas, June 3, 2021
 Orange spots on leaves of mountain ash caused by mountain ash-juniper rust fungus (Gymnosporangium cornutum) in Petiayarvi, north from Saint Petersburg. Russia, July 17, 2015
 Small black Pyrenomycete fungus Rosellinia corticium(?) (Xylariaceae) on a tall smooth fallen tree in dense young bamboo growth, with oaks, hackberry, Yaupon, in Hensel Park. College Station, Texas, April 28, 2022
 Underside of black fan-shaped mushrooms Thelephora cuticularis at the base of Yaupon bush in Hensel Park. College Station, Texas, July 8, 2021
 Orange berry rust, fungus Gymnoconia peckiana (Arthuriomyces peckianus) on a shoot of raspberry on black background near Lenin Trail in area of Razliv near Dibuny, north-west from Saint Petersburg, Russia, May 21, 2019
 Black saddle fungus Helvella atra(?) on black background on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, June 5, 2021
 Possum-haw holly (deciduous yaupon, Ilex decidua) in oxbow area of Raccoon Run Trail in Lick Creek Park. College Station, Texas, November 6, 2018
 Milk-white toothed polypore mushroom (Irpex lacteus) on twigs taken from Hensel Park on black background. College Station, Texas, January 26, 2021
 Leaves of crane s bill (Geranium carolinianum) with fungus Synchytrium geranii on black background in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, March 27, 2021
 Mushrooms Leucocoprinus viridiflavoides (Leucoagaricus viridiflavoides) on black background taken from Hensel Park. College Station, Texas, September 19, 2018
 Caps of mushrooms Leucocoprinus viridiflavoides (Leucoagaricus viridiflavoides) on black background taken from Hensel Park. College Station, Texas, September 19, 2018
 Gills of mushrooms Leucocoprinus viridiflavoides (Leucoagaricus viridiflavoides) on black background taken from Hensel Park. College Station, Texas, September 19, 2018
 Leaf spots fungi(?) on underside of leaves of yaupon holly taken from Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, March 30, 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
 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
 Leaves of May apple (mandrake, Podophyllum peltatum) with yellow spots caused by teleutosori of mayapple rust fungus Allodus podophylli (Puccinia podophylli) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, May 5, 2018
 Possum-haw holly (deciduous yaupon, Ilex decidua) in TAMU Horticultural Gardens in Texas A&M University. College Station, Texas, March 2, 2009
 Possum-haw holly (deciduous yaupon, Ilex decidua) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, November 11, 2008
 Possum-haw holly (deciduous yaupon, Ilex decidua) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, December 21, 2012
 Leaves of May apple (Podophyllum peltatum) with yellow spots caused by teleutosori of mayapple rust fungus Allodus podophylli (Puccinia podophylli) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, March 23, 2020
 Leaves of May apple (Podophyllum peltatum) with yellow spots caused by teleutosori of mayapple rust fungus Allodus podophylli (Puccinia podophylli) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, April 23, 2022
 Black dots of fruiting structures of a fungus Ophiodothella vaccinii on leaves of farkleberry (Vaccinium arboreum) in Lick Creek Park. College Station, Texas, August 2, 2019
 Berries of Possum-haw holly (deciduous yaupon, Ilex decidua) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, March 17, 2009
 Berries of possum haw holly (deciduous yaupon, Ilex decidua) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, September 1, 2010
 Spores of black Pyrenomycete fungus Rosellinia corticium(?) collected in Hensel Park. College Station, Texas, April 28, 2022
 Saucer lichen Ochrolechia pallescens on bark of yaupon holly in Hensel Park. College Station, Texas, December 30, 2018
 Saucer lichen Ochrolechia pallescens on a stem of yaupon holly in Hensel Park. College Station, Texas, December 30, 2018
 Close up of black dots of a fungus Biscogniauxia atropunctata (Hypoxylon atropunctatum) in Hensel Park. College Station, Texas, December 2, 2017
 Spores and aski(?) of black Pyrenomycete fungus Rosellinia corticium(?) collected in Hensel Park. College Station, Texas, April 28, 2022
 Some resupinate polypore mushroom with brown spots growing over black Hypoxylon on a fallen oak on Kiwanis Nature Trail. College Station, Texas, June 24, 2021
 May apple (mandrake, Podophyllum peltatum) with yellow spots caused by teleutosori of mayapple rust fungus Allodus podophylli (Puccinia podophylli) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, March 30, 2019
 Berries of Possum-haw holly (deciduous yaupon, Ilex decidua) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 8, 2019
 Black Pyrenomycete fungus Rosellinia corticium(?) on a tall smooth fallen tree in Hensel Park. College Station, Texas, April 28, 2022
 Close-up of resupinate polypore mushroom with brown spots growing over black Hypoxylon on a fallen oak on Kiwanis Nature Trail. College Station, Texas, June 24, 2021
 Texture of resupinate polypore mushroom with brown spots growing over black Hypoxylon on a fallen oak on Kiwanis Nature Trail. College Station, Texas, June 24, 2021
 Oak leaves with brown spots caused by a fungus(?) on Richards Loop Trail in Sam Houston National Forest, Texas, November 19, 2020
 Close-up of black earthfan mushroom Thelephora cuticularis in a bamboo grove in Hensel Park. College Station, Texas, June 3, 2021
 Small Clitocybe mushrooms on black background from a grassy field in Hensel Park. Bryan, Texas, April 8, 2020
 Side view of black earthfan mushroom Thelephora cuticularis in a bamboo grove in Hensel Park. College Station, Texas, June 3, 2021
 Gray-white smooth sheet with black dots of a fungus Biscogniauxia atropunctata (Hypoxylon atropunctatum) on a dry oak tree in Hensel Park. College Station, Texas, December 2, 2017
 Possum-haw holly (deciduous yaupon, Ilex decidua) in Birch Creek Unit of Somerville Lake State Park. Texas, December 22, 2012
 Close-up of black fungus spots on a fallen oak on Chinquapin Trail in Huntsville State Park. Texas, October 30, 2020
 Black spots from a fungus under bark on a fallen oak on Chinquapin Trail in Huntsville State Park. Texas, October 30, 2020
 Black earthfan mushrooms Thelephora cuticularis at the base of a juniper tree in a bamboo grove in Hensel Park. College Station, Texas, June 3, 2021
 Possum-haw holly (deciduous yaupon, Ilex decidua) in Lake Bryan Park. Bryan, Texas, October 10, 2012
 Black earthfan mushrooms Thelephora cuticularis covering base of a juniper tree in a bamboo grove in Hensel Park. College Station, Texas, June 3, 2021
 Orange-brown bumps on underside of leaf 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
 Possum-haw holly (deciduous yaupon, Ilex decidua) in Antique Rose Emporium. Independence, Texas, January 26, 2013
 Crust fungus Giraffe Spots (Peniophora albobadia) in Hensel Park. College Station, Texas, December 22, 2017
 Berries of Possum-haw holly (deciduous yaupon, Ilex decidua) in Antique Rose Emporium. Independence, Texas, January 26, 2013
 Black dots of fruiting structures of a fungus Ophiodothella vaccinii on leaves of farkleberry (Vaccinium arboreum) in Lick Creek Park. College Station, Texas, October 9, 2018
 Green powdery lichen on yaupon holly in Lick Creek Park. College Station, Texas, January 18, 2019
 Brittlegill (Psathyrella)(?) mushrooms on black background in Bee Creek Park. College Station, Texas, November 28, 2018
 Mushrooms Clitocybula abundans on black background in Lick Creek Park. College Station, Texas, May 22, 2020
 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
 Physcia lichen with brown apothecia on yaupon holly or may be on oak in Lick Creek Park. College Station, Texas, February 3, 2019
 Medallion lichen (Dirinaria confusa) on yaupon holly in Lick Creek Park. College Station, Texas, January 18, 2019
 Oysterling mushroom Resupinatus alboniger on black background in Bee Creek Park. College Station, Texas, December 27, 2018
 Blue and black bird s feathers in Hensel Park. College Station, Texas, December 2, 2017
 Tiny bright orange cups of aecia on the underside of leaves of mayapple caused by mayapple rust fungus Allodus podophylli(Puccinia podophylli) on underside of leaves of May apple (Podophyllum peltatum) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, March 2, 2019
 Yellow spots on a leaf of May apple (Podophyllum peltatum) caused by teleutosori of rust fungus Allodus podophylli (Puccinia podophylli) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, April 10, 2021
 Polypore mushroom Trametopsis cervina on a cut stem of Yaupon holly in Lick Creek Park. College Station, Texas, December 13, 2019
 Script lichen (Graphis) on a thin trunk of Yaupon holly in Lick Creek Park. College Station, Texas, January 1, 2019
 Wrinkled loop lichen (Hypotrachyna livida) on yaupon holly in Lick Creek Park. College Station, Texas, January 18, 2019
 Waxcap mushrooms Cuphophyllus pratensis under yaupon holly bushes in Lick Creek Park. College Station, Texas, January 18, 2019
 Powdery medallion lichen (Dirinaria applanata)(?) on yaupon holly in Lick Creek Park. College Station, Texas, January 18, 2019
 Powdery medallion lichen (Dirinaria applanata) on yaupon holly in Lick Creek Park. College Station, Texas, January 18, 2019
 Brittle cinder fungus (Kretzschmaria deusta) at the base of yaupon holly bush in Lick Creek Park. College Station, Texas, July 9, 2018
 Blackening waxcap mushrooms (Hygrocybe conica) on black background in Lick Creek Park. College Station, Texas, May 26, 2020
 Pinkgill mushrooms Entoloma hirtipes on black background in Lick Creek Park. College Station, Texas, December 24, 2018
 Small pinkgill (Entoloma) mushrooms on black background in Lick Creek Park. College Station, Texas, July 2, 2021
 Frostweed (Verbesina virginica) with black aphids in Lick Creek Park. College Station, Texas, June 9, 2019
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