 Yellow map lichen (Rhizocarpon geographicum) on a granite boulder on shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Rosette of yellow map lichen (Rhizocarpon geographicum) on a granite boulder on shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Yellow map lichen (Rhizocarpon geographicum) and another crustose yellow lichen on a granite boulder on shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Circular round patch of yellow map lichen (Rhizocarpon geographicum) on a granite boulder on shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Xanthoparmelia and Rhizocarpon geographicum lichens on a granite shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Physcia lichen on a granite boulder on shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Grey crustose lichen Aspicilia on a granite boulder on shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Rock shield lichen (Xanthoparmelia) 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
 Close-up of crustose lichen Lecanora muralis (Protoparmeliopsis muralis) on a granite boulder on shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Elegant sunburst lichen Rusavskia elegans (formerly Xanthoria elegans) on a granite boulder on shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Close-up of elegant sunburst lichen Rusavskia elegans (formerly Xanthoria elegans) on a granite boulder on shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Rosette lichen Physcia on a granite shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Brown crustose lichen on a granite shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Close-up of rosette lichen Physcia on a granite shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Yellow map lichen (Rhizocarpon geographicum) on granite in Monrepos Park in Vyborg. Russia, May 24, 2019
 Yellow map lichen (Rhizocarpon geographicum) at the foot of granite cliffs in Monrepos Park in Vyborg. Russia, May 24, 2019
 Texture of elegant sunburst lichen Rusavskia elegans (formerly Xanthoria elegans) on a granite shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Various crustose lichens on a granite shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Texture of green moss on granite shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Close-up of green moss on granite shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Rapakivi granite with large round crystals on shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Close up of yellow map lichen (Rhizocarpon geographicum) in Monrepos Park in Vyborg. Russia, May 24, 2019
 Granite rocks and a boat in Vyborg Bay from Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Common groundsel (Senecio vulgaris) on granite of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Flowers of stonecrop (Sedum, Hylotelephium telephium(?)) on shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Map lichen Rhizocarpon petraeum on a granite boulder in Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, May 22, 2021
 Vyborg Bay from Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Shores of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 A house at 40 Geroev Street in Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Stones scattered on a granite base on a beach of Vyborg Bay on Storozhok Peninsula near granite quarry near Stony Trail (Kamenistaya Tropa) in Kivi Park south from Chulkovo, west from Vyborg. Russia, July 27, 2024
 Pine trees growing among granite stones on a beach of Vyborg Bay on Storozhok Peninsula near granite quarry near Stony Trail (Kamenistaya Tropa) in Kivi Park south from Chulkovo, west from Vyborg. Russia, July 27, 2024
 Grey lichen on a granite stone in Paltsevo Rock Massif near Svetogorsk Highway near Vyborg. Russia, July 20, 2024
 Granite boulders in Vyborg Bay near Stony Trail (Kamenistaya Tropa) in Kivi Park south from Chulkovo, west from Vyborg. Russia, July 27, 2024
 Granite stones on a beach of Vyborg Bay near Stony Trail (Kamenistaya Tropa) in Kivi Park south from Chulkovo, west from Vyborg. Russia, July 27, 2024
 Large granite stone in Vyborg Bay near Stony Trail (Kamenistaya Tropa) in Kivi Park south from Chulkovo, west from Vyborg. Russia, July 27, 2024
 Large granite boulders in Vyborg Bay near Stony Trail (Kamenistaya Tropa) in Kivi Park south from Chulkovo, west from Vyborg. Russia, July 27, 2024
 Close up of map lichen Rhizocarpon petraeum on a granite stone in Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, May 9, 2019
 Texture of map lichen Rhizocarpon petraeum on a granite stone in Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, May 9, 2019
 Circular patterns of map lichen Rhizocarpon petraeum on a granite stone in Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, May 9, 2019
 Interior of a small granite cave near Vyborg. Russia, July 20, 2024
 Examining a granite cliff during a geological tour near Vyborg. Russia, July 20, 2024
 Crater lichen Diploschistes scruposus together with dark-brown lichen on granite cliffs in Monrepos Park in Vyborg. Russia, May 24, 2019
 Diploschistes lichen on granite in Monrepos Park in Vyborg. Russia, May 24, 2019
 Buellia(?) lichen on granite cliffs in Monrepos Park in Vyborg. Russia, May 24, 2019
 Some black Buellia(?) lichen on granite cliffs in Monrepos Park in Vyborg. Russia, May 24, 2019
 Some crustose lichen at the foot of granite cliffs in Monrepos Park in Vyborg. Russia, May 24, 2019
 Some brown Acarospora(?) lichen on granite cliffs in Monrepos Park in Vyborg. Russia, May 24, 2019
 Cladonia lichen at the foot of granite cliffs in Monrepos Park in Vyborg. Russia, May 24, 2019
 Black Lecanora like lichen on granite cliffs in Monrepos Park in Vyborg. Russia, May 24, 2019
 Black apothecia of Lecanora like lichen on granite cliffs in Monrepos Park in Vyborg. Russia, May 24, 2019
 Crater lichen Diploschistes scruposus on a granite cliff in Monrepos Park in Vyborg. Russia, May 24, 2019
 Yellowish dust-like lichen at the foot of granite cliffs in Monrepos Park in Vyborg. Russia, May 24, 2019
 Crater lichen Diploschistes scruposus on granite cliffs in Monrepos Park in Vyborg. Russia, May 24, 2019
 Some grey folios lichen at the foot of granite cliffs in Monrepos Park in Vyborg. Russia, May 24, 2019
 Some grey sorediate Parmelia(?) lichen on granite cliffs in Monrepos Park in Vyborg. Russia, May 24, 2019
 Thick crust of some greenish lichen on granite cliffs in Monrepos Park in Vyborg. Russia, May 24, 2019
 Yellowish dust-like lichen on vertical granite surface in Monrepos Park in Vyborg. Russia, May 24, 2019
 Folious lichens on a stone on Storozhok Peninsula near granite quarry near Stony Trail (Kamenistaya Tropa) in Kivi Park south from Chulkovo, west from Vyborg. Russia, July 27, 2024
 Small foliose lichen Cladonia incrassata(?) on granite cliffs in Monrepos Park in Vyborg. Russia, May 24, 2019
 Dark brown Acarospora(?) lichen at the foot of granite cliffs in Monrepos Park in Vyborg. Russia, May 24, 2019
 Salted shield lichen (crottle, Parmelia saxatilis) on granite in Monrepos Park in Vyborg. Russia, May 24, 2019
 Yellowish dust-like lichen Trapeliopsis(?) at the foot of granite cliffs in Monrepos Park in Vyborg. Russia, May 24, 2019
 Crater lichen Diploschistes scruposus at the foot of granite cliffs in Monrepos Park in Vyborg. Russia, May 24, 2019
 Close up of crater lichen Diploschistes scruposus on granite cliffs in Monrepos Park in Vyborg. Russia, May 24, 2019
 Map lichen Rhizocarpon petraeum on the surface of a rock in Zakhodskoe, 50 miles north from Saint Petersburg. Russia, July 10, 2016
 Salted shield lichen (crottle, Parmelia saxatilis)(?) on granite cliffs in Monrepos Park in Vyborg. Russia, May 24, 2019
 Black and grey map lichen Rhizocarpon petraeum on the surface of a rock in Zakhodskoe, 50 miles north from Saint Petersburg. Russia, July 10, 2016
 Black hair like velvet lichen Cystocoleus ebeneus or may be Ephebe lanata at the foot of granite cliffs in Monrepos Park in Vyborg. Russia, May 24, 2019
 Granite rocks beside Monastyrsky Island, on Valaam Island. Karelia Region, Russia, July 23, 2015
 Old granite walls behind Vyborg Castle. Vyborg, Russia, September 14, 2013
 Ruins of a bridge to Kubensky Island near Stony Trail (Kamenistaya Tropa) in Kivi Park south from Chulkovo, west from Vyborg. Russia, July 27, 2024
 Mexican yolk lichen (Candelina submexicana) together with granite rosette lichen (Physcia halei) at the edge of a granite stone in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
 Cracked lichen Acarospora novomexicana (yellow) and firedot lichen Fulgogasparrea appressa (Caloplaca appressa)(?) (red) on granite in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
 Cracked lichen Acarospora novomexicana (yellow) and firedot lichen Fulgogasparrea appressa (Caloplaca appressa)(?) (red) on pink granite of Freshman Mountain in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
 Large granite stone covered by cracked lichen Acarospora novomexicana (yellow) and firedot lichen Fulgogasparrea appressa (Caloplaca appressa)(?) (red) on Freshman Mountain in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
 Stony beach of Vyborg Bay near Stony Trail (Kamenistaya Tropa) in Kivi Park south from Chulkovo, west from Vyborg. Russia, July 27, 2024
 Map lichen Rhizocarpon petraeum on a roadside stone in a forest in Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, May 9, 2019
 Broken granite stone on a large damaged tomb in Smolenskoe Lutheran Cemetery on Dekabristov Island. Saint Petersburg, Russia, August 12, 2024
 Septarian nodule-like texture of back of a black granite tomb in Smolenskoe Lutheran Cemetery on Dekabristov Island. Saint Petersburg, Russia, August 12, 2024
 Granite tomb of Bertha Maria Pallisen (died in 1864) in Smolenskoe Lutheran Cemetery on Dekabristov Island. Saint Petersburg, Russia, August 12, 2024
 Large damaged granite tomb of unknown person on 19-th section in Smolenskoe Lutheran Cemetery on Dekabristov Island. Saint Petersburg, Russia, August 12, 2024
 Yellow cobblestone lichen Acarospora socialis on pink granite in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
 Buellia(?) lichen on a boulder in a forest in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Cobblestone, or cracked lichen Acarospora (yellow, dispersed) on pink granite in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
 Granite rocks in Monrepo Park. Vyborg, Russia, May 27, 2011
 Railroad from a bridge above granite cliffs in Vyborg. Russia, May 24, 2019
 Granite grotto in Monrepos Park in Vyborg. Russia, May 24, 2019
 Yellow cobblestone lichen Acarospora socialis and brown Caloplaca on pink granite in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
 Granite rocks in Monrepo Park. Vyborg, Russia, September 1, 2007
 Granite stones in Monrepo Park. Vyborg, Russia, September 1, 2007
 Granite stones in Monrepo park. Vyborg, Russia, August 12, 2012
 Granite fence of Monrepo park. Vyborg, Russia, August 12, 2012
 Lichen Lecidea lapicida(?) on a boulder in a forest in Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, May 9, 2019
 Granite gate with gargoyles near train station. Vyborg, Russia, August 12, 2012
 Granite stone in a courtyard at 12 Krepostnaya Street. Vyborg, Russia, June 21, 2014
 Granite wall near Monrepo (Mon Repos) Park. Vyborg, Russia, September 10, 2016
 Road at foot of granite cliff in Monrepos Park in Vyborg. Russia, May 24, 2019
 Rock foam lichen (Stereocaulon saxatile)(?) on a boulder in Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, May 9, 2019
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