 Peppered rock-shield lichen (Xanthoparmelia conspersa) and firedot lichen Caloplaca on a tomb in City Cemetery. Bryan, Texas, January 3, 2019
 Peppered rock-shield lichen (Xanthoparmelia conspersa) on a tomb in City Cemetery. Bryan, Texas, March 3, 2019
 Pattern of peppered rock-shield lichen (Xanthoparmelia conspersa) on a granite tomb in City Cemetery. Bryan, Texas, March 3, 2019
 Apothecia of peppered rock-shield lichen (Xanthoparmelia conspersa) on a granite tomb in City Cemetery. Bryan, Texas, March 3, 2019
 Texture of peppered rock-shield lichen (Xanthoparmelia conspersa) on a granite tomb in City Cemetery. Bryan, Texas, March 3, 2019
 Rock-shield lichen (Xanthoparmelia) on a tomb in City Cemetery. Bryan, Texas, December 8, 2018
 Rosette lichen (Physcia) and sunburst lichen Xanthomendoza weberi on a tomb in Ebenezer Cemetery near Huntsville, Texas, February 17, 2019
 Sunburst lichen Xanthomendoza weberi and some powdery red lichen on a marble tomb in Ebenezer Cemetery near Huntsville, Texas, February 17, 2019
 Rosette lichen (Physcia) on a tomb in Ebenezer Cemetery near Huntsville, Texas, February 17, 2019
 Rosette lichen (Physcia) with soredia on a tomb in Ebenezer Cemetery near Huntsville, Texas, February 17, 2019
 Peppered rock-shield lichen (Xanthoparmelia conspersa) on a granite tomb in City Cemetery. Bryan, Texas, December 8, 2018
 Rosette lichen Physcia dimidiata(?) on a marble tomb in Ebenezer Cemetery near Huntsville, Texas, February 17, 2019
 Apothecia of peppered rock-shield lichen (Xanthoparmelia conspersa) on a granite tomb in Odd Fellow Cemetery. Anderson, Texas, December 31, 2018
 Peppered rock-shield lichen (Xanthoparmelia conspersa) with millipeds on a granite tomb in City Cemetery. Bryan, Texas, December 8, 2018
 Large apothecia of peppered rock-shield lichen (Xanthoparmelia conspersa) on surface of a granite tomb in Odd Fellow Cemetery. Anderson, Texas, December 31, 2018
 Peppered rock-shield lichen (Xanthoparmelia conspersa) growing around inscription on a granite tomb of C. M. Womack (5/24/1862) in Odd Fellow Cemetery. Anderson, Texas, December 31, 2018
 Peppered rock-shield lichen (Xanthoparmelia conspersa) on a tombstone in Old Independence Cemetery near Independence. Texas, February 10, 2019
 Peppered rock-shield lichen (Xanthoparmelia conspersa) on a granite tombstone in Old Independence Cemetery near Independence. Texas, February 10, 2019
 Rock shield lichen (Xanthoparmelia) on a granite tombstone in old Port Sullivan cemetery, west from Hearne. Texas, January 8, 2019
 Peppered rock-shield lichen (Xanthoparmelia conspersa) on a granite tombstone in City Cemetery. Bryan, Texas, March 3, 2019
 Close up of rock shield lichen (Xanthoparmelia) on a granite tombstone in old Port Sullivan cemetery, west from Hearne. Texas, January 8, 2019
 Rock shield lichen (Xanthoparmelia) on a mossy limestone rock in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Rock shield lichen (Xanthoparmelia)(?) on a limestone rock in a forest in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Rock-shield lichen (Xanthoparmelia) on a granite tombstone in City Cemetery. Bryan, Texas, December 8, 2018
 Rosette lichen (Physcia) in Ebenezer Cemetery near Huntsville, Texas, February 17, 2019
 Some rusty red powdery lichen on marble surface in Ebenezer Cemetery near Huntsville, Texas, February 17, 2019
 Powdered shadow lichen (Phaeophyscia hirsuta) on marble in Ebenezer Cemetery near Huntsville, Texas, February 17, 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
 Peppered rock-shield lichen (Xanthoparmelia conspersa) on a sandstone rock at an overlook point in Bastrop State Park. Bastrop, Texas, February 23, 2020
 Rock-shield lichen (Xanthoparmelia) in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
 Rock-shield lichen Xanthoparmelia in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
 Rock-shield lichen Xanthoparmelia in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
 Rock-shield lichen (Xanthoparmelia) on Freshman Mountain in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
 Rock-shield lichen Xanthoparmelia in shaded place in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
 Peppered rock-shield lichen (Xanthoparmelia conspersa) on a rock at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
 Rock shield lichen (Xanthoparmelia) on limestone in a red cedar forest in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Apothecia of peppered rock-shield lichen (Xanthoparmelia conspersa) on a rock at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
 Rock-shield lichen (Xanthoparmelia) on cracked pink granite of Freshman Mountain in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
 Rock-shield lichen Xanthoparmelia and a broken limb of Christmas cactus (Tasajillo, Cylindropuntia leptocaulis) in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
 Peppered rock-shield lichen (Xanthoparmelia conspersa) on sandstone near Lost Pines Overlook in Bastrop State Park. Bastrop, Texas, March 14, 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
 Soredia of peppered rock-shield lichen (Xanthoparmelia conspersa) on sandstone at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
 Rosettes of peppered rock-shield lichen (Xanthoparmelia conspersa) on sandstone at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
 Peppered rock-shield lichen Xanthoparmelia conspersa on sandstone in an oak and red cedar forest at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
 Small rosette of peppered rock-shield lichen (Xanthoparmelia conspersa) on sandstone at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
 Peppered rock-shield lichen Xanthoparmelia conspersa on sandstone outcrop at the road descent at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
 Peppered rock-shield lichen Xanthoparmelia conspersa on sandstone outcrop at the road descent at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
 Peppered rock-shield lichen Xanthoparmelia conspersa covering sandstone 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 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
 Old patch of peppered rock-shield lichen Xanthoparmelia conspersa on sandstone outcrop at the road descent at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
 Peppered rock-shield lichen Xanthoparmelia conspersa with soredia 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
 Soredia of peppered rock-shield lichen Xanthoparmelia conspersa on sandstone outcrop at the road descent at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
 Young patch of peppered rock-shield lichen Xanthoparmelia conspersa on sandstone outcrop at the road descent at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
 Peppered rock-shield lichen Xanthoparmelia conspersa on a sandstone outcrop at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 26, 2020
 Xanthoparmelia conspersa and Caloplaca lichens on a tomb in City Cemetery. Bryan, Texas, January 3, 2019
 Texture of peppered rock-shield lichen Xanthoparmelia conspersa on a sandstone outcrop at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 26, 2020
 Button lichen (Buellia) on a limestone tomb in Old Independence Cemetery near Independence. Texas, February 10, 2019
 Shield lichen Canoparmelia caroliniana on a tree on Alligator Branch section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville. Texas, February 17, 2019
 Carolina shield lichen (Canoparmelia caroliniana) on Alligator Branch section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville. Texas, February 17, 2019
 Speckled shield lichen (Punctelia) on a tree on Alligator Branch section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville. Texas, February 17, 2019
 Shield lichen Canoparmelia caroliniana on a deciduous tree on Alligator Branch section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville. Texas, February 17, 2019
 Shield lichen Canoparmelia caroliniana on tree bark on Alligator Branch section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville. Texas, February 17, 2019
 Carolina shield lichen (Canoparmelia caroliniana) on a tree on Alligator Branch section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville. Texas, February 17, 2019
 Carolina shield lichen (Canoparmelia caroliniana) on tree bark on Alligator Branch section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville. Texas, February 17, 2019
 Carolina shield lichen (Canoparmelia caroliniana) on a deciduous tree on Alligator Branch section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville. Texas, February 17, 2019
 Rough speckled shield lichen (Punctelia rudecta) on a tree on Alligator Branch section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville. Texas, February 17, 2019
 Rosette lichen (Physcia) on a tomb in City Cemetery. Bryan, Texas, March 3, 2019
 Physcia(?) lichen on a marble tomb in City Cemetery. Bryan, Texas, March 3, 2019
 Rosette lichen (Physcia) on a marble tomb in City Cemetery. Bryan, Texas, March 3, 2019
 Sunburst lichen Xanthomendoza weberi together with Physcia on a tomb in City Cemetery. Bryan, Texas, March 3, 2019
 Rosette lichen (Physcia) with apothecia on a marble tomb in City Cemetery. Bryan, Texas, March 3, 2019
 Firedot lichen Caloplaca squamosa on a marble tomb in City Cemetery. Bryan, Texas, March 3, 2019
 Close up of rosette lichen (Physcia) on a marble tomb in City Cemetery. Bryan, Texas, March 3, 2019
 Powdered shadow lichen (Phaeophyscia hirsuta) on a tomb in City Cemetery. Bryan, Texas, March 3, 2019
 Firedot lichen Caloplaca squamosa on a horizontal surface of a tomb in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Sunken button lichen (Buellia spuria) on a marble tomb in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Powdered shadow lichen (Phaeophyscia hirsuta) on a marble tomb in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Powdered shadow lichen (Phaeophyscia hirsuta) with apothecia on a marble tomb in City Cemetery. Bryan, Texas, March 3, 2019
 Details of firedot lichen Caloplaca squamosa on a horizontal surface of a tomb in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Firedot lichen Caloplaca squamosa covering a horizontal surface of a tomb in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Pattern of powdered shadow lichen (Phaeophyscia hirsuta) on a marble tomb in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Powdered shadow lichen (Phaeophyscia hirsuta) with apothecia on a marble tomb in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Powdered shadow lichen (Phaeophyscia hirsuta) with thorny apothecia on a marble tomb in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Pepper-spore lichen (Rinodina) (pale blue-grey) between other lichens on an old tomb in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Candleflame lichen Candelaria pacifica and another foliose lichen on a tomb in Boonville Cemetery. Bryan, Texas, December 8, 2018
 Some pale green crustose lichen on a marble tomb in Washington Cemetery. Washington, Texas, January 12, 2019
 Bare-bottomed sunburst lichen (Xanthomendoza weberi) and another foliose lichen on a tomb in Boonville Cemetery. Bryan, Texas, December 8, 2018
 Stonewall rim-lichen (Lecanora muralis) on a horizontal surface of a tomb in Calvert Cemetery. Calvert, Texas, January 8, 2019
 Carolina shield lichen (Canoparmelia caroliniana) on a standing pine on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville. Texas, January 26, 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
 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
 Speckled shield lichen (Punctelia) in a shady place in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
 Rough speckled shield lichen (Punctelia rudecta) on a tree in Lick Creek Park. College Station, Texas, February 3, 2019
 Rough speckled shield lichen (Punctelia rudecta) on a tree in Lick Creek Park. College Station, Texas, February 3, 2019
 Rough speckled shield lichen (Punctelia rudecta) on a tree in Lick Creek Park. College Station, Texas, February 20, 2019
 Firedot lichen Caloplaca subsoluta (Caloplaca irrubescens) with black prothallus on a granite tomb in old Port Sullivan cemetery, west from Hearne. Texas, January 8, 2019
 Rough speckled shield lichen (Punctelia rudecta) on tree bark in Lick Creek Park. College Station, Texas, February 3, 2019
 Carolina shield lichen (Canoparmelia caroliniana) on a pine in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019
 Rough speckled shield lichen (Punctelia rudecta) on yaupon holly or may be on oak in Lick Creek Park. College Station, Texas, February 3, 2019
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