 Texture of powdered shadow lichen (Phaeophyscia hirsuta) on a tombstone 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 marble 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
 Powdered shadow lichen (Phaeophyscia hirsuta) on a marble tombstone in a city cemetery. College Station, Texas, February 6, 2019
 Powdered shadow lichen (Phaeophyscia hirsuta)(?) with soredia in City Cemetery. Bryan, Texas, March 3, 2019
 Powdered shadow lichen (Phaeophyscia hirsuta) on a tomb in City Cemetery. Bryan, Texas, March 3, 2019
 Powdered shadow lichen (Phaeophyscia hirsuta) with apothecia on a marble tomb in City Cemetery. Bryan, Texas, March 3, 2019
 Powdered shadow lichen (Phaeophyscia hirsuta) on a tombstone in a city cemetery. College Station, Texas, February 19, 2020
 Powdered shadow lichen (Phaeophyscia hirsuta) on marble in Ebenezer Cemetery near Huntsville, Texas, February 17, 2019
 Powdered shadow lichen (Phaeophyscia hirsuta) in a city cemetery. College Station, Texas, February 6, 2019
 Powdered shadow lichen (Phaeophyscia hirsuta) and splitgill mushrooms on acacia (huisache) tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Pyxine lichen on a marble tombstone in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Rosette lichen (Physcia) on a granite tombstone in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Pattern of rosette lichen (Physcia) on a granite tombstone in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Rosette lichen (Physcia) on back of a grey marble tombstone in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Pattern of rosette lichen (Physcia) on back of a grey marble tombstone in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Cracked ruffle lichen (Parmotrema reticulatum, Rimelia reticulata) on a marble tombstone in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Marble tombstone with golden lichen in Boonville Cemetery. Bryan, Texas, January 5, 2011
 Bible on a marble tombstone in Boonville Cemetery. Bryan, Texas, January 5, 2011
 Sign on a marble tombstone in Boonville Cemetery. Bryan, Texas, January 5, 2011
 Pyxine lichen on sandstone in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Close up of some grey lichen with black apothecia on a granite tombstone in City Cemetery. Bryan, Texas, March 3, 2019
 Rosette lichen (Physcia) on a fallen oak twig in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Small rosettes of Pyxine lichen on marble in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Rosette lichen (Physcia) on an iron fence in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Rosette lichen (Physcia) with apothecia on marble in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Green-blue rosette lichen (Physcia) on sandstone in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Small rosette of Pyxine lichen on an iron fence in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Rosette lichen (Physcia) with brown apothecia on a fallen oak branch 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
 Rosette lichen (Physcia) on an old dry cracked stump of a red cedar tree in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Bare-bottomed sunburst lichen (Xanthomendoza weberi) on old iron(?) in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Firedot lichen Caloplaca squamosa on a horizontal surface of a tomb in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Rosette lichen (Physcia) with dense brown apothecia on a fallen oak branch 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
 Details of firedot lichen Caloplaca squamosa on a horizontal surface of a 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
 Tombstone texture in Boonville Cemetery. Bryan, Texas, December 17, 2010
 Bible on a tombstone in Boonville Cemetery. Bryan, Texas, December 17, 2010
 Close up of rock shield lichen (Xanthoparmelia) on a granite tombstone in old Port Sullivan cemetery, west from Hearne. Texas, January 8, 2019
 Texture of a marble tombstone at sunrise in Boonville Cemetery. Bryan, Texas, November 14, 2012
 Some grey lichen on a granite tombstone in City Cemetery. Bryan, Texas, March 3, 2019
 Some grey lichen together with Caloplaca on a granite tombstone in City Cemetery. Bryan, Texas, March 3, 2019
 Some grey lichen with black apothecia on a granite tombstone in City Cemetery. Bryan, Texas, March 3, 2019
 Peppered rock-shield lichen (Xanthoparmelia conspersa) on a granite tombstone in City Cemetery. Bryan, Texas, March 3, 2019
 Candleflame lichen Candelaria pacifica and another foliose lichen on a tomb in Boonville Cemetery. Bryan, Texas, December 8, 2018
 Smooth shadow-crust lichen (Hyperphyscia syncolla) and rosette lichen (Physcia) on lower branches of old acacia (huisache) between Signature Park 11 apartments and Oil Well near Park Hudson Trail. Bryan, Texas, January 27, 2019
 Bare-bottomed sunburst lichen (Xanthomendoza weberi) and another foliose lichen on a tomb in Boonville Cemetery. Bryan, Texas, December 8, 2018
 Smooth shadow-crust lichen (Hyperphyscia syncolla) on lower branches of old acacia (huisache) between Signature Park 11 apartments and Oil Well near Park Hudson Trail. Bryan, Texas, January 27, 2019
 Rock shield lichen (Xanthoparmelia) on a granite tombstone in old Port Sullivan cemetery, west from Hearne. Texas, January 8, 2019
 Smooth shadow-crust lichen (Hyperphyscia syncolla) on bark of lower branches of old acacia (huisache) between Signature Park 11 apartments and Oil Well near Park Hudson Trail. Bryan, Texas, January 27, 2019
 Smooth shadow-crust lichen (Hyperphyscia syncolla) on lower branches of old acacia (huisache), some of them dried, between Signature Park 11 apartments and Oil Well near Park Hudson Trail. Bryan, Texas, January 27, 2019
 Smooth shadow-crust lichen (Hyperphyscia syncolla) and other lichens on lower branches of old acacia (huisache) between Signature Park 11 apartments and Oil Well near Park Hudson Trail. Bryan, Texas, January 27, 2019
 Sidewalk firedot lichen (Caloplaca feracissima) on a marble rose in Boonville Cemetery. Bryan, Texas, December 8, 2018
 Detail of a tomb of a person who died in Boonville TX in 1875 in Boonville Cemetery. Bryan, Texas, December 8, 2009
 Tomb of Fordon Nfeoham(?) who died in Boonville TX in 1875 in Boonville Cemetery. Bryan, Texas, December 8, 2009
 Smooth shadow-crust lichen (Hyperphyscia syncolla) with brown apothecia on lower branches of old acacia (huisache) between Signature Park 11 apartments and Oil Well near Park Hudson Trail. Bryan, Texas, January 27, 2019
 Rock-shield lichen (Xanthoparmelia) on a granite tombstone in City Cemetery. Bryan, Texas, December 8, 2018
 Bare-bottomed sunburst lichen (Xanthomendoza weberi) on a marble tree in Boonville Cemetery. Bryan, Texas, December 8, 2018
 Close up of rosette lichen (Physcia) on a marble tomb in City Cemetery. Bryan, Texas, March 3, 2019
 Peppered rock-shield lichen (Xanthoparmelia conspersa) and firedot lichen Caloplaca on a tomb in City Cemetery. Bryan, Texas, January 3, 2019
 Bark of an oak tree in Boonville Cemetery. Bryan, Texas, January 5, 2011
 Base of a tree in Boonville Cemetery. Bryan, Texas, January 5, 2011
 Oak tree bark in Boonville Cemetery. Bryan, Texas, January 5, 2011
 Old rotten tree in Boonville Cemetery. Bryan, Texas, January 5, 2011
 Handshake on a tombstone in City Cemetery. Bryan, Texas, January 6, 2013
 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
 Firedot lichen Caloplaca subsoluta (Caloplaca irrubescens) on a granite tombstone in old Port Sullivan cemetery, west from Hearne. Texas, January 8, 2019
 Close up of powdered sunshine lichen (Vulpicida pinastri) on a log in Petiayarvi, north from Saint Petersburg. Russia, May 26, 2019
 Sign of Stewart Iron Works Cincinnati, Ohio on a tomb fence in Boonville Cemetery. Bryan, Texas, January 5, 2011
 Close up of Phaeophyscia lichen on a large huisache (acacia) tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 2, 2019
 Grainy shadow-crust lichen (Hyperphyscia adglutinata) (olive), bare-bottomed sunburst lichen (Xanthomendoza weberi) (golden) and some greenish grey lichen on a massive cast iron fence in Odd Fellow Cemetery. Anderson, Texas, December 31, 2018
 Boonville Cemetery. Bryan, Texas, November 16, 2011
 Boonville Cemetery in fog. Bryan, Texas, November 29, 2012
 Button lichen (Buellia) on a tombstone in Old Independence Cemetery near Independence. Texas, February 10, 2019
 Rosette lichen (Physcia) on a tombstone in Old Independence Cemetery near Independence. Texas, February 10, 2019
 Tombs of Boonville Cemetery. Bryan, Texas, November 16, 2011
 Tomb in Boonville Cemetery. Bryan, Texas, December 8, 2009
 Oaks in Boonville Cemetery in fog. Bryan, Texas, November 13, 2008
 Trees in Boonville Cemetery in fog. Bryan, Texas, November 13, 2008
 Tombs in Boonville Cemetery. Bryan, Texas, December 8, 2009
 Tombstones in Boonville Cemetery. Bryan, Texas, December 17, 2010
 Oaks of Boonville Cemetery in fog. Bryan, Texas, November 29, 2012
 Tombs of Boonville Cemetery in fog. Bryan, Texas, November 29, 2012
 Buttoned rosette lichen (Pyxine) on a tombstone in Old Independence Cemetery near Independence. Texas, February 10, 2019
 Pepper-spore lichen (Rinodina) on a tombstone in Old Independence Cemetery near Independence. Texas, February 10, 2019
 Spotted rosette lichen (Physcia pumilior(?)) on a tombstone in Old Independence Cemetery near Independence. Texas, February 10, 2019
 Buttoned rosette lichen (Pyxine) with soredia on a tombstone in Old Independence Cemetery near Independence. Texas, February 10, 2019
 Greenish buttoned rosette lichen (Pyxine) on a tombstone in Old Independence Cemetery near Independence. Texas, February 10, 2019
 Rosy saucer lichen (Ochrolechia trochophora) on a tombstone in Old Independence Cemetery near Independence. Texas, February 10, 2019
 Split oak bark in Boonville Cemetery. Bryan, Texas, November 14, 2012
 Rotten tree in Boonville Cemetery. Bryan, Texas, December 17, 2010
 Dead oak tree No. 6 in Boonville Cemetery. Bryan, Texas, November 14, 2012
 Base of a tree in Boonville Cemetery. Bryan, Texas, December 17, 2010
 Headstone texture in Boonville Cemetery. Bryan, Texas, December 17, 2010
 Bark of an oak tree in Boonville Cemetery. Bryan, Texas, November 14, 2012
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