 Medallion lichen Dirinaria confusa with black apothecia on juniper bark in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Close-up of medallion lichen Dirinaria confusa with black apothecia on juniper bark in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Medallion lichen Dirinaria confusa on a juniper tree in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Pore lichen (Pertusaria) with apothecia on a juniper branch in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 White fringe lichen (Heterodermia albicans) on a tree (may be juniper) in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Close-up of pore lichen (Pertusaria) on a juniper branch in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Pore lichen (Pertusaria) on bark of a juniper branch in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Medallion lichen (Dirinaria confusa) with large black apothecia near the base of a hackberry(?) tree in Odd Fellow Cemetery. Anderson, Texas, December 31, 2018
 Close-up of stickpins lichen Mycocalicium subtile or may be other Mycocaliciaceae (Mycocalicium, Chaenothecopsis) on a trunk of a juniper tree (Eastern red cedar) on spot where its branch was cut in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Stickpins lichen Mycocalicium subtile or may be other Mycocaliciaceae (Mycocalicium, Chaenothecopsis) on a trunk of a juniper tree (Eastern red cedar) where its branch was cut, around 1.5 meters above ground, in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 White juniper fungus (Robergea albicedrae) on bark of Juniperus ashei tree in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 White juniper fungus (Robergea albicedrae) on bark of a young Juniperus ashei tree in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 White juniper fungus (Robergea albicedrae) around of a broken branch spot on Juniperus ashei tree in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 White juniper fungus (Robergea albicedrae) small gray nodules where spores are produced on bark of a young Juniperus ashei tree in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Close-up of white juniper fungus (Robergea albicedrae) small gray nodules where spores are produced on bark of a young Juniperus ashei tree in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Corticioid mushroom Dendrothele nivosa on bark of Eastern red cedar (Juniper) in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Whitening pattern of a fungus Robergea albicedrae on bark of Ashe juniper in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Close-up of corticioid fungus Dendrothele nivosa on bark of Eastern red cedar (Juniper) in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Typical whitening pattern on bark of Ashe juniper with a fungus Robergea albicedrae in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Black apothecia of medallion lichen (Dirinaria confusa) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Medallion lichen (Dirinaria confusa) with black apothecia in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Gold dust lichen (Chrysothrix xanthina) in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Medallion lichen (Dirinaria confusa) on bark of a Mexican plum tree in Lick Creek Park. College Station, Texas, March 24, 2021
 Dwarf rosette lichen Physcia neogaea on a dry pad of prickly pear cactus in prairie in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Dwarf rosette lichen Physcia neogaea on a dry pad of prickly pear cactus (Opuntia) in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Apothecia of medallion lichen (Dirinaria confusa) on bark of hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Slender orange-bush lichen (Teloschistes exilis) together with Parmotrema and Physcia on an old pad of prickly pear cactus in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Salted rock-shield lichen (Xanthoparmelia mexicana) or may be other Xanthoparmelia growing on an exposed flint stone in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Young leaves of oak in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Leaf of poison ivy in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Texture of salted rock-shield lichen (Xanthoparmelia mexicana) or may be other Xanthoparmelia on an exposed flint stone in open area in a forest in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Close-up of salted rock-shield lichen (Xanthoparmelia mexicana) or may be other Xanthoparmelia on an exposed flint stone in open area in a forest in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Salted rock-shield lichen (Xanthoparmelia mexicana) or may be other Xanthoparmelia on an exposed flint stone in open area near pine and oak forest in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Details of salted rock-shield lichen (Xanthoparmelia mexicana) or may be other Xanthoparmelia on an exposed flint stone in open area in a forest in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Tender leaves of Virginia creeper in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Young leaves of Virginia creeper in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Salted rock-shield lichen (Xanthoparmelia mexicana) or may be other Xanthoparmelia on an exposed flint stone on rocky soil in sunny area near a forest in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Violet flowers of spiderwort (Tradescantia gigantea(?)) in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Violet spiderwort (Tradescantia gigantea(?)) flowers in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Copper-colored young leaves of Virginia creeper in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Fringed puccoon (Narrowleaf gromwell, Lithospermum incisum) in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 View of Colorado River from Bluff Trail Loop in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Bend of Colorado River from Bluff Trail Loop in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Steep descent to Colorado River from Bluff Trail Loop in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Medallion lichen (Dirinaria confusa) on a tree in Odd Fellow Cemetery. Anderson, Texas, December 31, 2018
 Close up of medallion lichen (Dirinaria confusa) on a tree in Odd Fellow Cemetery. Anderson, Texas, December 31, 2018
 Medallion lichen (Dirinaria confusa) on a hackberry(?) tree in Odd Fellow Cemetery. Anderson, Texas, December 31, 2018
 Medallion lichen (Dirinaria confusa) near the base of a hackberry(?) tree in Odd Fellow Cemetery. Anderson, Texas, December 31, 2018
 Medallion lichen Dirinaria confusa on an old tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 2, 2019
 Medallion lichen Dirinaria confusa on a tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 2, 2019
 Medallion lichen (Dirinaria confusa) on bark of a hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 29, 2018
 Medallion lichen (Dirinaria confusa) on bark of hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Close up of medallion lichen (Dirinaria confusa) on bark of a hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 29, 2018
 Medallion lichen (Dirinaria confusa) on yaupon in Lick Creek Park. College Station, Texas, January 6, 2019
 Close up of medallion lichen (Dirinaria confusa) in Lick Creek Park. College Station, Texas, January 6, 2019
 Medallion lichen (Dirinaria confusa) on yaupon holly in Lick Creek Park. College Station, Texas, January 18, 2019
 Medallion lichen (Dirinaria confusa) on a fallen oak branch in Lick Creek Park. College Station, Texas, June 17, 2019
 Medallion lichen (Dirinaria confusa) on one of trunks of a bush-like tree of huisache (Acacia minuata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 29, 2018
 Medallion lichen (Dirinaria confusa) on a dry(?) trunk of a bush-like tree of huisache (Acacia minuata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 29, 2018
 Close up of medallion lichen (Dirinaria confusa) on a dry(?) trunk of a bush-like tree of huisache (Acacia minuata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 29, 2018
 Medallion lichen Dirinaria confusa on an oak in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 2, 2019
 Medallion lichen (Dirinaria confusa) on an oak in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 12, 2019
 Medallion lichen (Dirinaria confusa) on Liberty Oak in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 18, 2020
 Texture of medallion lichen Dirinaria confusa on an oak in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 2, 2019
 Medallion lichen (Dirinaria confusa) on hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Medallion lichen (Dirinaria confusa) on an oak(?) branch in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 2, 2019
 Close up of medallion lichen (Dirinaria confusa) on an oak in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 12, 2019
 Medallion lichen (Dirinaria confusa) on a branch of "Liberty Oak" in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Close up of medallion lichen (Dirinaria confusa) on hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Powdery medallion lichen (Dirinaria applanata) on a tree in Lick Creek Park. College Station, Texas, January 18, 2019
 Powdery medallion lichen (Dirinaria applanata)(?) on a tree in Lick Creek Park. College Station, Texas, January 18, 2019
 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
 Powdery medallion lichen (Dirinaria applanata) on a small hackberry tree in Lick Creek Park. College Station, Texas, January 9, 2019
 Powdery medallion lichen (Dirinaria applanata) on bark of a tree in Odd Fellow Cemetery. Anderson, Texas, December 31, 2018
 Medallion lichen (Dirinaria) on a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019
 Powdery medallion lichen (Dirinaria applanata) on bark of a crape myrtle tree in Odd Fellow Cemetery. Anderson, Texas, December 31, 2018
 Pattern of powdery medallion lichen (Dirinaria applanata) on bark of a crape myrtle tree in Odd Fellow Cemetery. Anderson, Texas, December 31, 2018
 Blooming cherry like tree in McKinney Falls State Park. Austin, Texas, March 7, 2009
 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
 Powdery medallion lichen (Dirinaria applanata) in Lick Creek Park. College Station, Texas, January 18, 2019
 Powdery medallion lichen (Dirinaria applanata) in Lick Creek Park. College Station, Texas, January 9, 2019
 Powdery medallion lichen (Dirinaria applanata)(?) in Lick Creek Park. College Station, Texas, January 18, 2019
 Powdery medallion lichen (Dirinaria applanata)(?) in Lick Creek Park. College Station, Texas, January 18, 2019
 Powdery medallion lichen (Dirinaria applanata) in Lick Creek Park. College Station, Texas, January 18, 2019
 Powdery medallion lichen (Dirinaria applanata)(?) 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
 Close up of powdery medallion lichen (Dirinaria applanata)(?) on yaupon holly in Lick Creek Park. College Station, Texas, January 18, 2019
 Powdery medallion lichen (Dirinaria applanata) on low tombstone in Odd Fellow Cemetery. Anderson, Texas, December 31, 2018
 Dirinaria lichen on tree bark on Kiwanis Nature Trail, College Station, Texas, February 26, 2019
 Close up of Dirinaria lichen on a tree on Kiwanis Nature Trail, College Station, Texas, February 26, 2019
 Medallion lichen (Dirinaria)(?) in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019
 Powdery medallion lichen (Dirinaria applanata)(?) on a petrified wood tomstone in Odd Fellow Cemetery. Anderson, Texas, December 31, 2018
 Dirinaria lichen on a tree in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, February 26, 2019
 Powdery medallion lichen (Dirinaria applanata)(?) on a tombstone made from petrified wood in Odd Fellow Cemetery. Anderson, Texas, December 31, 2018
 Lichen Dirinaria confusa(?) on bark of hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2020
 Some grey lichen with black apothecia on a granite tombstone in City Cemetery. Bryan, Texas, March 3, 2019
 Black apothecia of rosette lichen (Physcia) on sandstone of Lost Pines Overlook in Bastrop State Park. Bastrop, Texas, February 28, 2021
 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
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