 Frosted rim-lichen (Lecanora caesiorubella) on a tree in Lick Creek Park. College Station, Texas, February 3, 2019
 Frosted rim-lichen (Lecanora caesiorubella), to the left, in Lick Creek Park. College Station, Texas, February 3, 2019
 Pale brown Lecanora lichen on an oak in Lick Creek Park. College Station, Texas, January 18, 2019
 Mealy rim-lichen (Lecanora strobilina) on bark of oak in Lick Creek Park. College Station, Texas, January 18, 2019
 Sunken bloodspot lichen (Haematomma persoonii) and Lecanora on oak in Lick Creek Park. College Station, Texas, January 18, 2019
 Lecanora lichen on a small oak in Lick Creek Park. College Station, Texas, June 17, 2019
 Lecanora lichen in wet condition in Lick Creek Park. College Station, Texas, June 17, 2019
 Lecanora lichen on an oak twig in Lick Creek Park. College Station, Texas, February 3, 2019
 Pale brown Lecanora lichen on an oak in Lick Creek Park. College Station, Texas, February 20, 2019
 Mealy rim-lichen (Lecanora strobilina) on an oak in Lick Creek Park. College Station, Texas, February 3, 2019
 Mealy rim-lichen (Lecanora strobilina) on a dry oak in Lick Creek Park. College Station, Texas, January 23, 2020
 Mealy rim-lichen (Lecanora strobilina) on a tree in Lick Creek Park. College Station, Texas, February 3, 2019
 Lecanora lichen together with Pertusaria and Haematomma persoonii in Lick Creek Park. College Station, Texas, June 17, 2019
 Lecanora and Buellia lichens on a small oak in Lick Creek Park. College Station, Texas, June 17, 2019
 Sunken rim-lichen (Lecanora oreinoides) and peppered rock-shield lichen (Xanthoparmelia conspersa) on sandstone outcrops in an oak and red cedar forest at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
 Peppered rock-shield lichen (Xanthoparmelia conspersa) and sunken rim-lichen (Lecanora oreinoides) on a rock at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
 Warty lichen (Pertusaria) in Lick Creek Park. College Station, Texas, January 18, 2019
 Button lichen (Buellia) in Lick Creek Park. College Station, Texas, January 18, 2019
 Script lichen (Graphis) on an oak in Lick Creek Park. College Station, Texas, January 18, 2019
 Ruffle lichen (Parmotrema) on a tree in Lick Creek Park. College Station, Texas, January 18, 2019
 Speckled shield lichen (Punctelia) in Lick Creek Park. College Station, Texas, January 18, 2019
 Speckled shield lichen (Punctelia) in Lick Creek Park. College Station, Texas, January 18, 2019
 Saucer lichen Ochrolechia pallescens in Lick Creek Park. College Station, Texas, January 18, 2019
 Saucer lichen Ochrolechia pallescens on oak in Lick Creek Park. College Station, Texas, January 18, 2019
 Graphis lichen with orange alga on an oak in Lick Creek Park. College Station, Texas, January 18, 2019
 Small fringe lichen (Heterodermia) on yaupon 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
 Wrinkled loop lichen (Hypotrachyna livida) in Lick Creek Park. College Station, Texas, January 18, 2019
 White fringe lichen (Heterodermia albicans)(?) in Lick Creek Park. College Station, Texas, January 18, 2019
 Green powdery lichen on yaupon holly 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
 Streaked rosette lichen (Physcia atrostriata) 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 9, 2019
 Common button lichen (Buellia stillingiana) on an oak 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
 Close up of medallion lichen (Dirinaria confusa) in Lick Creek Park. College Station, Texas, January 6, 2019
 Medallion lichen (Dirinaria confusa) on yaupon in Lick Creek Park. College Station, Texas, January 6, 2019
 Lichen Cryptothecia striata on rough oak bark 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
 White fringe lichen (Heterodermia albicans)(?) in Lick Creek Park. College Station, Texas, January 18, 2019
 Graphis lichen with orange alga Trentepohlia(?) on an oak in Lick Creek Park. College Station, Texas, January 18, 2019
 Frosted rosette lichen (Physcia biziana) on tomb in cemetery at Mission de Cristo Jesus Church at road 259 in Port Sullivan, west from Hearne. Texas, January 8, 2019
 White fringe lichen (Heterodermia albicans)(?) on yaupon in Lick Creek Park. College Station, Texas, January 18, 2019
 Wrinkled loop lichen (Hypotrachyna livida) on yaupon in Lick Creek Park. College Station, Texas, January 6, 2019
 Common button lichen (Buellia stillingiana) (black) in Lick Creek Park. College Station, Texas, January 18, 2019
 Saucer lichen Ochrolechia pallescens and Punctelia on oak bark in Lick Creek Park. College Station, Texas, January 18, 2019
 Bark rash lichen (Pyrenula cruenta) on hackberry in Lick Creek Park. College Station, Texas, January 9, 2019
 Powdery medallion lichen (Dirinaria applanata)(?) on a tree in Lick Creek Park. College Station, Texas, January 18, 2019
 Palm ruffle lichen (Parmotrema tinctorum) on yaupon 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
 White fringe lichen (Heterodermia albicans) on yaupon in Lick Creek Park. College Station, Texas, January 18, 2019
 Close up of white fringe lichen (Heterodermia albicans) in Lick Creek Park. College Station, Texas, January 18, 2019
 Common button lichen (Buellia stillingiana) on oak bark 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
 White fringe lichen (Heterodermia albicans) on yaupon in Lick Creek Park. College Station, Texas, January 6, 2019
 Frosted grass near the creek in Bee Creek Park. College Station, Texas, January 4, 2022
 Frosted rosette lichen (Physcia biziana) on a brick surface in cemetery at Mission de Cristo Jesus Church at road 259 in Port Sullivan, west from Hearne. Texas, January 8, 2019
 Frosted rosette lichen (Physcia biziana) on a brick shrine in cemetery at Mission de Cristo Jesus Church at road 259 in Port Sullivan, west from Hearne. Texas, January 8, 2019
 Script lichen (Graphis) on a thin trunk of Yaupon holly in Lick Creek Park. College Station, Texas, January 1, 2019
 Powdery medallion lichen (Dirinaria applanata) on yaupon holly in Lick Creek Park. College Station, Texas, January 18, 2019
 Flowering fringe lichen (Heterodermia echinata) on a fallen oak twig in Lick Creek Park. College Station, Texas, January 22, 2019
 Wrinkled loop lichen (Hypotrachyna livida) on yaupon holly in Lick Creek Park. College Station, Texas, January 18, 2019
 Sunken bloodspot lichen (Haematomma persoonii) on river birch in Lick Creek Park. College Station, Texas, January 18, 2019
 Perforated ruffle lichen (Parmotrema perforatum) on a fallen oak twig in Lick Creek Park. College Station, Texas, January 22, 2019
 Bushy beard lichen (Usnea strigosa) on a fallen oak twig in Lick Creek Park. College Station, Texas, January 22, 2019
 Powdery medallion lichen (Dirinaria applanata)(?) on yaupon holly in Lick Creek Park. College Station, Texas, January 18, 2019
 Brown apothecia of Lecanora(?) lichen on an oak on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville. Texas, January 26, 2019
 Frosted sow thistle (Sonchus oleraceus) near the creek in Bee Creek Park. College Station, Texas, January 4, 2022
 Frosted rosette lichen (Physcia biziana) with pruina on an oak in open area in cemetery at Mission de Cristo Jesus Church at road 259 in Port Sullivan, west from Hearne. Texas, January 8, 2019
 Frosted rosette lichen (Physcia biziana) on oak bark in open area in cemetery at Mission de Cristo Jesus Church at road 259 in Port Sullivan, west from Hearne. Texas, January 8, 2019
 Frosted curly dock (Rumex crispus) near the creek in Bee Creek Park. College Station, Texas, January 4, 2022
 Underside of perforated ruffle lichen (Parmotrema perforatum) on a fallen oak twig in Lick Creek Park. College Station, Texas, January 22, 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 a small hackberry tree in Lick Creek Park. College Station, Texas, January 9, 2019
 Crimson warts of bark rash lichen (Pyrenula cruenta) on hackberry in Lick Creek Park. College Station, Texas, January 9, 2019
 Close up of perforated ruffle lichen (Parmotrema perforatum) on a fallen oak twig in Lick Creek Park. College Station, Texas, January 22, 2019
 Frosted hardy swamp lily (Crinum bulbispermum) near the creek in Bee Creek Park. College Station, Texas, January 4, 2022
 Frosted leaves of curly dock (Rumex crispus) near the creek in Bee Creek Park. College Station, Texas, January 4, 2022
 Stonewall rim-lichen (Lecanora muralis, Protoparmeliopsis muralis) in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Palm ruffle lichen (Parmotrema tinctorum) on a thin trunk of Yaupon holly in Lick Creek Park. College Station, Texas, January 1, 2019
 Sunken rim-lichen (Lecanora oreinoides) or may be Aspicilia on sandstone outcrops in an oak and red cedar forest at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
 Texture of sunken rim-lichen (Lecanora oreinoides) on sandstone outcrops in an oak and red cedar forest at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
 White crust of sunken rim-lichen (Lecanora oreinoides) on sandstone outcrops in an oak and red cedar forest at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
 Pattern of white crust of sunken rim-lichen (Lecanora oreinoides) on sandstone outcrops in an oak and red cedar forest at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
 Speckled blister lichen Trypethelium tropicum (Nigrovothelium tropicum) on bark of hackberry tree in Lick Creek Park. College Station, Texas, January 1, 2019
 Lichen Lecanora louisianae(?) on bark in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 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
 Lichen Lecanora louisianae(?) on acacia (huisache) tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Black Lecanora like lichen on granite cliffs in Monrepos Park in Vyborg. Russia, May 24, 2019
 Bark sulphur-firedot lichen (Gyalolechia flavorubescens, Caloplaca flavorubescens) on bark of hackberry tree in Lick Creek Park. College Station, Texas, January 1, 2019
 Black apothecia of Lecanora like lichen on granite cliffs in Monrepos Park in Vyborg. Russia, May 24, 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
 Crustose lichen, Rinodina or Lecanora, on a back surface of a grey marble tomstone in cemetery at Mission de Cristo Jesus Church at road 259 in Port Sullivan, west from Hearne. Texas, January 8, 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
 Phaeographis lichen on an oak in Lick Creek Park. College Station, Texas, February 3, 2019
 Close up of Rinodina or Lecanora crustose lichen on a back surface of a grey marble tomstone in cemetery at Mission de Cristo Jesus Church at road 259 in Port Sullivan, west from Hearne. Texas, January 8, 2019
 Stonewall rim-lichen (Lecanora muralis, Protoparmeliopsis muralis) on a horizontal surface of a tomb in Calvert Cemetery. Calvert, Texas, January 8, 2019
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