 Stonewall rim-lichen (Lecanora muralis, Protoparmeliopsis muralis) with caloplaca on sandstone in Bastrop State Park. Bastrop, Texas, October 13, 2019
 Stonewall rim-lichen (Lecanora muralis, Protoparmeliopsis muralis) near Lost Pines Overlook in Bastrop State Park. Bastrop, Texas, March 14, 2019
 Stonewall rim-lichen (Lecanora muralis, Protoparmeliopsis muralis) on sandstone near Lost Pines Overlook in Bastrop State Park. Bastrop, Texas, March 14, 2019
 Stonewall rim-lichen (Lecanora muralis, Protoparmeliopsis muralis) on sandstone at Lost Pines Overlook in Bastrop State Park. Bastrop, Texas, October 13, 2019
 Stonewall rim-lichen (Lecanora muralis, Protoparmeliopsis muralis) on sandstone near Lost Pines Overlook in Bastrop State Park. Bastrop, Texas, March 14, 2019
 Stonewall rim-lichen (Lecanora muralis, Protoparmeliopsis muralis) with caloplaca on sandstone near Lost Pines Overlook in Bastrop State Park. Bastrop, Texas, March 14, 2019
 Apothecia of stonewall rim-lichen (Lecanora muralis, Protoparmeliopsis muralis) on sandstone of Lost Pines Overlook in Bastrop State Park. Bastrop, Texas, March 14, 2019
 Stonewall rim-lichen (Lecanora muralis, Protoparmeliopsis muralis) on Caloplaca on sandstone of Lost Pines Overlook in Bastrop State Park. Bastrop, Texas, March 14, 2019
 Stonewall rim-lichen (Lecanora muralis, Protoparmeliopsis muralis) on sandstone bench at Lost Pines Overlook in Bastrop State Park. Bastrop, Texas, October 13, 2019
 Close up of stonewall rim-lichen (Lecanora muralis, Protoparmeliopsis muralis) on sandstone of Lost Pines Overlook in Bastrop State Park. Bastrop, Texas, March 14, 2019
 Close up of stonewall rim-lichen (Lecanora muralis, Protoparmeliopsis muralis) on sandstone near Lost Pines Overlook in Bastrop State Park. Bastrop, Texas, March 14, 2019
 Patch of stonewall rim-lichen (Lecanora muralis, Protoparmeliopsis muralis) on sandstone near Lost Pines Overlook in Bastrop State Park. Bastrop, Texas, March 14, 2019
 Stonewall rim-lichen (Lecanora muralis, Protoparmeliopsis muralis) on a horizontal surface of a tomb in Calvert Cemetery. Calvert, Texas, January 8, 2019
 Diploschistes actinostomus together with stonewall rim-lichen (Lecanora muralis, Protoparmeliopsis muralis) on a sandstone near Lost Pines Overlook in Bastrop State Park. Bastrop, Texas, March 14, 2019
 Texture of stonewall rim-lichen (Lecanora muralis, Protoparmeliopsis muralis) on sandstone bench at Lost Pines Overlook in Bastrop State Park. Bastrop, Texas, October 13, 2019
 Diploschistes actinostomus and stonewall rim-lichen (Lecanora muralis, Protoparmeliopsis muralis) on a sandstone near Lost Pines Overlook in Bastrop State Park. Bastrop, Texas, March 14, 2019
 Stonewall rim-lichen (Lecanora muralis, Protoparmeliopsis muralis) on a sandstone rock at an overlook point in Bastrop State Park. Bastrop, Texas, February 23, 2020
 Stonewall rim-lichen (Lecanora muralis, Protoparmeliopsis muralis) with Squamulea squamosa (Caloplaca squamosa) on sandstone near Lost Pines Overlook in Bastrop State Park. Bastrop, Texas, March 14, 2019
 Stonewall rim-lichen (Lecanora muralis, Protoparmeliopsis muralis) with Squamulea squamosa (Caloplaca squamosa) on sandstone of Lost Pines Overlook in Bastrop State Park. Bastrop, Texas, March 14, 2019
 Stonewall rim-lichen (Lecanora muralis, Protoparmeliopsis muralis) on sandstone bench near Lost Pines Overlook in Bastrop State Park. Bastrop, Texas, February 28, 2021
 Texture of stonewall rim-lichen (Lecanora muralis, Protoparmeliopsis muralis) on a sandstone rock at an overlook point in Bastrop State Park. Bastrop, Texas, February 23, 2020
 Close-up of stonewall rim-lichen (Lecanora muralis, Protoparmeliopsis muralis) on a sandstone rock at an overlook point in Bastrop State Park. Bastrop, Texas, February 23, 2020
 Close-up of stonewall rim-lichen (Lecanora muralis, Protoparmeliopsis muralis) on sandstone bench near Lost Pines Overlook in Bastrop State Park. Bastrop, Texas, February 28, 2021
 Stonewall rim-lichen (Lecanora muralis, Protoparmeliopsis muralis) among Acarospora on sandstone bench near Lost Pines Overlook in Bastrop State Park. Bastrop, Texas, February 28, 2021
 Apothecia of stonewall rim-lichen (Lecanora muralis, Protoparmeliopsis muralis) on sandstone bench near Lost Pines Overlook in Bastrop State Park. Bastrop, Texas, February 28, 2021
 Rosette lichen (Physcia) with Lecanora muralis (Protoparmeliopsis muralis) on sandstone of Lost Pines Overlook in Bastrop State Park. Bastrop, Texas, March 14, 2019
 Patch of rosette lichen (Physcia) with Lecanora muralis (Protoparmeliopsis muralis) on sandstone of Lost Pines Overlook in Bastrop State Park. Bastrop, Texas, March 14, 2019
 Diploschistes actinostomus(?) and Lecanora muralis (Protoparmeliopsis muralis) together with other lichens near Lost Pines Overlook in Bastrop State Park. Bastrop, Texas, March 14, 2019
 Close-up of crustose lichen Lecanora muralis (Protoparmeliopsis muralis) on a granite boulder on shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Rosette of crustose lichen Lecanora muralis (Protoparmeliopsis muralis) on a granite boulder on shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Leather lichen (Dermatocarpon) in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Leather lichen (Dermatocarpon) on limestone in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Dirinaria lichen on a dry red cedar tree in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Grey crustose lichen on limestone in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Black lichen Verrucaria on limestone in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Leather lichen (Dermatocarpon) on limestone in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Button lichen (Buellia) on a limestone rock in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Ruffle lichen (Parmotrema) on a dry red cedar tree in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Some whitish lichen on a limestone rock near the river in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Button lichen (Buellia) on a limestone rock in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Tar-jelly lichen (Collema) on limestone conglomerate in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Button lichen (Buellia) on limestone near the river in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Leather lichen (Dermatocarpon) on limestone in a forest in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Dark-green crustose lichen on limestone in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Dust lichen (Lepraria) in shade of cliffs in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Button lichen (Buellia) on limestone rock near the river in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 White patch of Aspicilia lichen on a limestone rock in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Patches of button lichen (Buellia) on a limestone rock in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Dust lichen (Lepraria) on limestone in shade of cliffs in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Ruffle lichen (Parmotrema) on a mossy limestone rock in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Button lichen (Buellia) on a mossy limestone rock in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Close up of black and green lichen Verrucaria on limestone in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Green Cladonia lichen on sandstone or limestone in a forest in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Ruffle lichen (Parmotrema) in shade on a mossy limestone rock in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Dust lichen (Lepraria) on shaded rocks in a red cedar forest in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Some dark-green crustose lichen on a limestone rock near the river in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Rock shield lichen (Xanthoparmelia) on limestone in a red cedar forest in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Close up of green Cladonia lichen on sandstone or limestone in a forest in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Ruffle lichen (Parmotrema) on a mossy limestone rock in a red cedar forest in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Bordered scale lichen (Psora pseudorussellii) on a conglomerate rock near the river in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Limestone rocks near the falls in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Bordered scale lichen (Psora pseudorussellii) in wet condition on a conglomerate rock near the river in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Partially dry bordered scale lichen (Psora pseudorussellii) on a conglomerate rock near the river in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Bordered scale lichen (Psora pseudorussellii) on a limestone conglomerate rock near the river in Pedernales Falls State Park. Johnson City, Texas, January 11, 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
 Chiseled sunken disk lichen (Circinaria contorta, Aspicilia contorta) on limestone near the river in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Dry riverbed in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Cracked limestone in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Waterfalls from the overlook in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Side waterfall in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Water stream in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Water and rocks in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Water cascades in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Small waterfall in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Small water stream in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Black limestone rocks in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Various crustose lichens on limestone in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Firedot lichen Caloplaca subsoluta (Squamulea subsoluta, Caloplaca irrubescens) on limestone near the river in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Crustose lichens of different colors on limestone in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Buellia and other lichens on a limestone rock in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Lichens and sorrel on shady limestone in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Narrowed stream below the falls in Pedernales Falls State Park. Johnson City, Texas, January 12, 2013
 Smooth limestone rocks near the water stream in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Brown and orange crustose lichens on limestone in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Blunt pellitory (Parietaria pensylvanica, Urticaceae) in shade of limestone cliffs in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Soaptree yucca (Yucca elata) in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Water cascade in Pedernales Falls State Park. Johnson City, Texas, January 12, 2013
 Dry cypress stump in Pedernales Falls State Park. Johnson City, Texas, January 12, 2013
 Base of a cypress in Pedernales Falls State Park. Johnson City, Texas, January 12, 2013
 Tip of a cypress knee in Pedernales Falls State Park. Johnson City, Texas, January 12, 2013
 Giant boulder in Pedernales Falls State Park. Johnson City, Texas, January 12, 2013
 Small waterfall in Pedernales Falls State Park. Johnson City, Texas, January 12, 2013
 Pedernales River in Beach Area in Pedernales Falls State Park. Johnson City, Texas, November 29, 2008
 Shores of Pedernales River below bluffs in Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 Pedernales river in beach area of Pedernales Falls State Park. Johnson City, Texas, November 6, 2010
 Pedernales River in north area of Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 Pattern of cypress roots in Pedernales Falls State Park. Johnson City, Texas, January 12, 2013
 Gnarls on a cypress tree in Pedernales Falls State Park. Johnson City, Texas, January 12, 2013
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