![](../../pictures/archives/compress/2019/2431/jpeg/17t.jpg) Powdery medallion lichen (Dirinaria applanata) on yaupon holly in Lick Creek Park. College Station, Texas, January 18, 2019
![](../../pictures/archives/compress/2019/2431/jpeg/23t.jpg) Close up of powdery medallion lichen (Dirinaria applanata)(?) on yaupon holly in Lick Creek Park. College Station, Texas, January 18, 2019
![](../../pictures/archives/compress/2019/2431/jpeg/11t.jpg) Powdery medallion lichen (Dirinaria applanata) in Lick Creek Park. College Station, Texas, January 18, 2019
![](../../pictures/archives/compress/2019/2428/jpeg/03t.jpg) Powdery medallion lichen (Dirinaria applanata) in Lick Creek Park. College Station, Texas, January 9, 2019
![](../../pictures/archives/compress/2019/2432/jpeg/12t.jpg) Powdery medallion lichen (Dirinaria applanata)(?) in Lick Creek Park. College Station, Texas, January 18, 2019
![](../../pictures/archives/compress/2019/2431/jpeg/22t.jpg) Powdery medallion lichen (Dirinaria applanata)(?) in Lick Creek Park. College Station, Texas, January 18, 2019
![](../../pictures/archives/compress/2019/2432/jpeg/03t.jpg) Powdery medallion lichen (Dirinaria applanata) in Lick Creek Park. College Station, Texas, January 18, 2019
![](../../pictures/archives/compress/2019/2431/jpeg/13t.jpg) Powdery medallion lichen (Dirinaria applanata)(?) in Lick Creek Park. College Station, Texas, January 18, 2019
![](../../pictures/archives/compress/2019/2431/jpeg/12t.jpg) Powdery medallion lichen (Dirinaria applanata) on a tree in Lick Creek Park. College Station, Texas, January 18, 2019
![](../../pictures/archives/compress/2019/2431/jpeg/24t.jpg) Powdery medallion lichen (Dirinaria applanata)(?) on a tree in Lick Creek Park. College Station, Texas, January 18, 2019
![](../../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
![](../../pictures/archives/compress/2019/2432/jpeg/01t.jpg) Medallion lichen (Dirinaria confusa) on yaupon holly in Lick Creek Park. College Station, Texas, January 18, 2019
![](../../pictures/archives/compress/2019/2438/jpeg/21t.jpg) Powdery medallion lichen (Dirinaria applanata), to the left, and other foliose lichen on lower branches of old acacia (huisache) between Signature Park 11 apartments and Oil Well near Park Hudson Trail. Bryan, Texas, January 27, 2019
![](../../pictures/archives/compress/2019/2436/jpeg/09t.jpg) Powdery medallion lichen (Dirinaria applanata) on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville. Texas, January 26, 2019
![](../../pictures/archives/compress/2019/2427/jpeg/03t.jpg) Medallion lichen (Dirinaria confusa) on yaupon in Lick Creek Park. College Station, Texas, January 6, 2019
![](../../pictures/archives/compress/2019/2427/jpeg/25t.jpg) Powdery medallion lichen (Dirinaria applanata) on an oak in cemetery at Mission de Cristo Jesus Church at road 259 in Port Sullivan, west from Hearne. Texas, January 8, 2019
![](../../pictures/archives/compress/2019/2433/jpeg/10t.jpg) Powdery medallion lichen (Dirinaria applanata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
![](../../pictures/archives/compress/2019/2427/jpeg/29t.jpg) Powdery medallion lichen (Dirinaria applanata) on a tomb in cemetery at Mission de Cristo Jesus Church at road 259 in Port Sullivan, west from Hearne. Texas, January 8, 2019
![](../../pictures/archives/compress/2019/2427/jpeg/28t.jpg) Powdery medallion lichen (Dirinaria applanata) on a tombstone in cemetery at Mission de Cristo Jesus Church at road 259 in Port Sullivan, west from Hearne. Texas, January 8, 2019
![](../../pictures/archives/compress/2019/2427/jpeg/30t.jpg) Powdery medallion lichen (Dirinaria applanata) on a cemented brick in cemetery at Mission de Cristo Jesus Church at road 259 in Port Sullivan, west from Hearne. Texas, January 8, 2019
![](../../pictures/archives/compress/2019/2431/jpeg/25t.jpg) Green powdery lichen on yaupon holly in Lick Creek Park. College Station, Texas, January 18, 2019
![](../../pictures/archives/compress/2018/2424/jpeg/18t.jpg) Powdery medallion lichen (Dirinaria applanata) on low tombstone in Odd Fellow Cemetery. Anderson, Texas, December 31, 2018
![](../../pictures/archives/compress/2018/2424/jpeg/19t.jpg) Powdery medallion lichen (Dirinaria applanata) on bark of a tree in Odd Fellow Cemetery. Anderson, Texas, December 31, 2018
![](../../pictures/archives/compress/2018/2423/jpeg/24t.jpg) Powdery medallion lichen (Dirinaria applanata)(?) on a petrified wood tomstone in Odd Fellow Cemetery. Anderson, Texas, December 31, 2018
![](../../pictures/archives/compress/2018/2423/jpeg/23t.jpg) Powdery medallion lichen (Dirinaria applanata)(?) on a tombstone made from petrified wood in Odd Fellow Cemetery. Anderson, Texas, December 31, 2018
![](../../pictures/archives/compress/2018/2424/jpeg/14t.jpg) Powdery medallion lichen (Dirinaria applanata) on bark of a crape myrtle tree in Odd Fellow Cemetery. Anderson, Texas, December 31, 2018
![](../../pictures/archives/compress/2018/2424/jpeg/15t.jpg) Pattern of powdery medallion lichen (Dirinaria applanata) on bark of a crape myrtle tree in Odd Fellow Cemetery. Anderson, Texas, December 31, 2018
![](../../pictures/archives/compress/2021/2917/jpeg/08t.jpg) Powdery medallion lichen (Dirinaria applanata) on a tree on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, April 24, 2021
![](../../pictures/archives/compress/2019/2427/jpeg/04t.jpg) Close up of medallion lichen (Dirinaria confusa) in Lick Creek Park. College Station, Texas, January 6, 2019
![](../../pictures/archives/compress/2019/2530/jpeg/30t.jpg) Medallion lichen (Dirinaria confusa) on a fallen oak branch in Lick Creek Park. College Station, Texas, June 17, 2019
![](../../pictures/archives/compress/2019/2431/jpeg/21t.jpg) Wrinkled loop lichen (Hypotrachyna livida) on yaupon holly in Lick Creek Park. College Station, Texas, January 18, 2019
![](../../pictures/archives/compress/2019/2425/jpeg/04t.jpg) Script lichen (Graphis) on a thin trunk of Yaupon holly in Lick Creek Park. College Station, Texas, January 1, 2019
![](../../pictures/archives/compress/2019/2425/jpeg/03t.jpg) Palm ruffle lichen (Parmotrema tinctorum) on a thin trunk of Yaupon holly in Lick Creek Park. College Station, Texas, January 1, 2019
![](../../pictures/archives/compress/2019/2445/jpeg/24t.jpg) Physcia lichen with brown apothecia on yaupon holly or may be on oak in Lick Creek Park. College Station, Texas, February 3, 2019
![](../../pictures/archives/compress/2021/2890/jpeg/07t.jpg) Medallion lichen (Dirinaria confusa) on bark of a Mexican plum tree in Lick Creek Park. College Station, Texas, March 24, 2021
![](../../pictures/archives/compress/2020/2628/jpeg/12t.jpg) Cracked ruffle lichen (Parmotrema reticulatum) on Yaupon holly in Lick Creek Park. College Station, Texas, January 13, 2020
![](../../pictures/archives/compress/2019/2445/jpeg/23t.jpg) Rough speckled shield lichen (Punctelia rudecta) on yaupon holly or may be on oak in Lick Creek Park. College Station, Texas, February 3, 2019
![](../../pictures/archives/compress/2019/2431/jpeg/26t.jpg) Waxcap mushrooms Cuphophyllus pratensis under yaupon holly bushes in Lick Creek Park. College Station, Texas, January 18, 2019
![](../../pictures/archives/compress/2019/2434/jpeg/22t.jpg) Lichen Dirinaria applanata or may be Physcia on smooth bark of hackberry tree at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
![](../../pictures/archives/compress/2019/2434/jpeg/23t.jpg) Rosette lichen Dirinaria applanata or may be Physcia on smooth bark of hackberry tree at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
![](../../pictures/archives/compress/2019/2430/jpeg/04t.jpg) Medallion lichen (Dirinaria confusa) on an oak in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 12, 2019
![](../../pictures/archives/compress/2019/2430/jpeg/05t.jpg) Close up of medallion lichen (Dirinaria confusa) on an oak in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 12, 2019
![](../../pictures/archives/compress/2019/2433/jpeg/03t.jpg) Medallion lichen (Dirinaria confusa) on hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
![](../../pictures/archives/compress/2019/2433/jpeg/24t.jpg) Black apothecia of medallion lichen (Dirinaria confusa) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
![](../../pictures/archives/compress/2019/2433/jpeg/04t.jpg) Close up of medallion lichen (Dirinaria confusa) on hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
![](../../pictures/archives/compress/2019/2433/jpeg/12t.jpg) Medallion lichen (Dirinaria confusa) with black apothecia in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
![](../../pictures/archives/compress/2019/2432/jpeg/04t.jpg) Small fringe lichen (Heterodermia) on yaupon in Lick Creek Park. College Station, Texas, January 18, 2019
![](../../pictures/archives/compress/2019/2440/jpeg/12t.jpg) Medallion lichen (Dirinaria)(?) in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019
![](../../pictures/archives/compress/2019/2427/jpeg/05t.jpg) Palm ruffle lichen (Parmotrema tinctorum) on yaupon in Lick Creek Park. College Station, Texas, January 6, 2019
![](../../pictures/archives/compress/2019/2432/jpeg/14t.jpg) White fringe lichen (Heterodermia albicans)(?) on yaupon in Lick Creek Park. College Station, Texas, January 18, 2019
![](../../pictures/archives/compress/2019/2427/jpeg/06t.jpg) White fringe lichen (Heterodermia albicans) on yaupon in Lick Creek Park. College Station, Texas, January 6, 2019
![](../../pictures/archives/compress/2019/2427/jpeg/02t.jpg) Wrinkled loop lichen (Hypotrachyna livida) on yaupon in Lick Creek Park. College Station, Texas, January 6, 2019
![](../../pictures/archives/compress/2019/2432/jpeg/10t.jpg) White fringe lichen (Heterodermia albicans) on yaupon in Lick Creek Park. College Station, Texas, January 18, 2019
![](../../pictures/archives/compress/2019/2440/jpeg/22t.jpg) Medallion lichen (Dirinaria) on a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019
![](../../pictures/archives/compress/2022/3147/jpeg/13t.jpg) Crustose lichen Dirinaria applanata(?) on a wooden pole in Research Park on campus of Texas A and M University. College Station, Texas, May 6, 2022
![](../../pictures/archives/compress/2013/1133/jpeg/04t.jpg) Ice crystals on berries of yaupon holly in Lick Creek Park. College Station, Texas, January 17, 2013
![](../../pictures/archives/compress/2019/2478/jpeg/13t.jpg) Blooming yaupon holly (Ilex vomitoria) in Lick Creek Park. College Station, Texas, April 5, 2019
![](../../pictures/archives/compress/2019/2478/jpeg/14t.jpg) Flowers of yaupon holly (Ilex vomitoria) in Lick Creek Park. College Station, Texas, April 5, 2019
![](../../pictures/archives/compress/2022/3147/jpeg/14t.jpg) Close-up of crustose lichen Dirinaria applanata(?) on a wooden pole in Research Park on campus of Texas A and M University. College Station, Texas, May 6, 2022
![](../../pictures/archives/compress/2013/1133/jpeg/05t.jpg) Ice crystals on leaves of yaupon holly (Ilex vomitoria) in Lick Creek Park. College Station, Texas, January 17, 2013
![](../../pictures/archives/compress/2019/2611/jpeg/31t.jpg) Polypore mushroom Trametopsis cervina on a cut stem of Yaupon holly in Lick Creek Park. College Station, Texas, December 13, 2019
![](../../pictures/archives/compress/2019/2478/jpeg/08t.jpg) Blooming possum-haw holly (deciduous yaupon, Ilex decidua) in Lick Creek Park. College Station, Texas, April 5, 2019
![](../../pictures/archives/compress/2007/567/jpeg/13t.jpg) Icy berries on yaupon holly near Iron Bridge Trail in Lick Creek Park after ice storm. College Station, Texas, January 17, 2007
![](../../pictures/archives/compress/2019/2611/jpeg/33t.jpg) Caps of polypore mushroom Trametopsis cervina on a cut stem of Yaupon holly in Lick Creek Park. College Station, Texas, December 13, 2019
![](../../pictures/archives/compress/2019/2611/jpeg/32t.jpg) Texture of polypore mushroom Trametopsis cervina on a cut stem of Yaupon holly in Lick Creek Park. College Station, Texas, December 13, 2019
![](../../pictures/archives/compress/2019/2444/jpeg/08t.jpg) Medallion lichen Dirinaria confusa on an oak in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 2, 2019
![](../../pictures/archives/compress/2019/2444/jpeg/10t.jpg) Texture of medallion lichen Dirinaria confusa on an oak in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 2, 2019
![](../../pictures/archives/compress/2019/2444/jpeg/07t.jpg) Medallion lichen Dirinaria confusa on a tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 2, 2019
![](../../pictures/archives/compress/2019/2444/jpeg/09t.jpg) Medallion lichen Dirinaria confusa on an old tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 2, 2019
![](../../pictures/archives/compress/2019/2444/jpeg/06t.jpg) Medallion lichen (Dirinaria confusa) on an oak(?) branch in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 2, 2019
![](../../pictures/archives/compress/2019/2619/jpeg/02t.jpg) Medallion lichen (Dirinaria confusa) on a branch of "Liberty Oak" in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
![](../../pictures/archives/compress/2020/2630/jpeg/20t.jpg) Medallion lichen (Dirinaria confusa) on Liberty Oak in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 18, 2020
![](../../pictures/archives/compress/2019/2619/jpeg/09t.jpg) Medallion lichen (Dirinaria confusa) on bark of hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
![](../../pictures/archives/compress/2019/2619/jpeg/10t.jpg) Apothecia of medallion lichen (Dirinaria confusa) on bark of hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
![](../../pictures/archives/compress/2021/2847/jpeg/24t.jpg) Fresh snow on Yaupon holly bushes in Bee Creek Park. College Station, Texas, January 11, 2021
![](../../pictures/archives/compress/2010/862/jpeg/12t.jpg) "Blooming" yaupon holly (with coreopsis) in Lick Creek Park. College Station, Texas, May 19, 2010
![](../../pictures/archives/compress/2012/1052/jpeg/04t.jpg) Coreopsis near bushes of Yaupon Holly in Lick Creek Park. College Station, Texas, May 7, 2012
![](../../pictures/archives/compress/2012/1109/jpeg/22t.jpg) Red berries of yaupon holly in Lick Creek Park. College Station, Texas, October 9, 2012
![](../../pictures/archives/compress/2018/2243/jpeg/08t.jpg) Flowers of yaupon holly in Lick Creek Park. College Station, Texas, April 11, 2018
![](../../pictures/archives/compress/2018/2423/jpeg/01t.jpg) Saucer lichen Ochrolechia pallescens on bark of yaupon holly in Hensel Park. College Station, Texas, December 30, 2018
![](../../pictures/archives/compress/2018/2423/jpeg/02t.jpg) Saucer lichen Ochrolechia pallescens on a stem of yaupon holly in Hensel Park. College Station, Texas, December 30, 2018
![](../../pictures/archives/compress/2021/2847/jpeg/28t.jpg) Bushes of Yaupon holly broken by snow load in Bee Creek Park. College Station, Texas, January 11, 2021
![](../../pictures/archives/compress/2011/979/jpeg/23t.jpg) Dry yaupon holly on Post Oak Trail in Lick Creek Park. College Station, Texas, September 7, 2011
![](../../pictures/archives/compress/2022/3201/jpeg/03t.jpg) Scorched leaves on Yaupon holly in Lick Creek Park. College Station, Texas, August 2, 2022
![](../../pictures/archives/compress/2020/2823/jpeg/11t.jpg) Yaupon holly with ice crystals at morning in Lick Creek Park. College Station, Texas, December 1, 2020
![](../../pictures/archives/compress/2020/2813/jpeg/25t.jpg) Yaupon holly (Ilex vomitoria) in Lick Creek Park. College Station, Texas, November 10, 2020
![](../../pictures/archives/compress/2021/2884/jpeg/14t.jpg) Medallion lichen Dirinaria confusa on a juniper tree in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
![](../../pictures/archives/compress/2012/1126/jpeg/13t.jpg) Trunks of yaupon holly on Raccoon Run Trail in Lick Creek Park. College Station, Texas, December 14, 2012
![](../../pictures/archives/compress/2020/2700/jpeg/03t.jpg) White moth with eggs on a leaf of Yaupon holly in Lick Creek Park. College Station, Texas, May 4, 2020
![](../../pictures/archives/compress/2019/2450/jpeg/11t.jpg) White fringe lichen (Heterodermia albicans) with brown apothecia on a yaupon(?) tree in Lick Creek Park. College Station, Texas, February 20, 2019
![](../../pictures/archives/compress/2007/603/jpeg/25t.jpg) Berries of yaupon holly at rain on sewage line right of way in Lick Creek Park. College Station, Texas, November 18, 2007
![](../../pictures/archives/compress/2010/902/jpeg/06t.jpg) Red berries of yaupon holly (Ilex vomitoria) with freeze in Lick Creek Park. College Station, Texas, December 27, 2010
![](../../pictures/archives/compress/2021/2883/jpeg/21t.jpg) Medallion lichen Dirinaria confusa with black apothecia on juniper bark in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
![](../../pictures/archives/compress/2021/2884/jpeg/15t.jpg) Medallion lichen Dirinaria confusa with black apothecia on a juniper tree in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
![](../../pictures/archives/compress/2023/3365/jpeg/16t.jpg) Flowers of possum-haw holly (deciduous yaupon, Ilex decidua) in Lick Creek Park. College Station, Texas, March 16, 2023
![](../../pictures/archives/compress/2009/739/jpeg/21t.jpg) Young leaves and flowers of yaupon holly (Ilex vomitoria) in Lick Creek Park. College Station, Texas, April 29, 2009
![](../../pictures/archives/compress/2020/2645/jpeg/06t.jpg) Black crust fungus Biscogniauxia repanda on a dry Yaupon holly(?) in Lick Creek Park. College Station, Texas, February 13, 2020
![](../../pictures/archives/compress/2024/3485/jpeg/14t.jpg) Flowers of possum-haw holly (deciduous yaupon, Ilex decidua) in Lick Creek Park. College Station, Texas, March 12, 2024
![](../../pictures/archives/compress/2022/3204/jpeg/24t.jpg) Leaves of Yaupon holly collected by leafcutter ants on the ground in Lick Creek Park. College Station, Texas, August 4, 2022
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