Monolithic granite columns of Twenty-Column Hall (Ancient Italy) in Hermitage Museum. Saint Petersburg, Russia, June 10, 2009
Song of Vainamoinen sculpture below 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
Diploschistes lichen 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
Granite columns in the hall of ancient art in Hermitage museum. Saint Petersburg, Russia, August 14, 2007
Granite wall near Monrepo (Mon Repos) Park. Vyborg, Russia, September 10, 2016
Bluebonnets (lupine) descending along granite outcrops in Inks Lake State Park on Pecan Flats Trail west from Burnet. Texas, April 5, 2010.
Granite stones in Monrepo (Mon Repos) Park. Vyborg, north from Saint Petersburg, Russia, October 7, 2016
Peppered rock-shield lichen (Xanthoparmelia conspersa) on a granite tomb in City Cemetery. Bryan, Texas, December 8, 2018
Close up of map lichen Rhizocarpon petraeum on a granite stone in Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, May 9, 2019
Granite stone with saxicolous crustose lichens near the lake south from Mys Moryin Nos near Ladoga Lake, east from Saint Petersburg. Russia, May 14, 2019
Granite Terrace in Catherine Park. Pushkin (former Tsarskoe Selo) near Saint Petersburg, Russia, September 23, 2016
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
Exfoliation of granite slabs from the dome of Enchanted Rock, view from Freshman Mountain. Enchanted Rock State Natural Area, Fredericksburg, Texas, December 25, 2018
View of the granite dome from Echo Canyon. Enchanted Rock State Natural Area, Fredericksburg, Texas, December 25, 2018
Granite rocks in Gulf of Finland in Alexandria Park in Peterhof, west from Saint Petersburg. Russia, June 6, 2011
Eroded granite rock formations. Independence Rock west from Casper, Wyoming, July 22, 2010
Granite ferry jetty of Vittolovsky Canal in Catherine Park. Pushkin (former Tsarskoe Selo) near Saint Petersburg, Russia, October 13, 2016
Granite Grotto near Chapelle (Shapel) in Aleksandrovsky (Alexander) Park. Pushkin (former Tsarskoe Selo) near Saint Petersburg, Russia, September 19, 2013
Granite pillars at the entrance of a new building of Georgetown University in Education City, with Sidra Medical and Research Center in background. Doha, Qatar, March 4, 2012
Leather lichen Dermatocarpon luridum on dark brown water lichen Pyrenopsis in water seepage area 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 granite in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
Circular patterns of map lichen Rhizocarpon petraeum on a granite stone in Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, May 9, 2019
Various saxicolous crustose lichens on a granite stone near the lake near old army bathhouse south from Mys Moryin Nos near Ladoga Lake, east from Saint Petersburg. Russia, May 14, 2019
Granite cross in Nikolskoe Cemetery of Alexander Nevsky Lavra. Saint Petersburg, Russia, May 25, 2011
Monolithic granite columns of Twenty-Column Hall (Ancient Italy) in Hermitage Museum. Saint Petersburg, Russia, January 2, 2016
A granite pillar among ruins of ancient harbour washed out by the sea at Mediterranean beach in southern Ashkelon. The Middle East, September 19, 2001
Bluebonnets (lupine) on granite outcrops of Inks Lake State Park on Pecan Flats Trail west from Burnet. Texas, April 5, 2010.
Granite feet of one of ten Atlantes supporting a portico of Hermitage Museum extension. Saint Petersburg, Russia, June 10, 2009
Granite rocks beside Monastyrsky Island, on Valaam Island. Karelia Region, Russia, July 23, 2015
Exfoliation (onion skin weathering of granite) of Enchanted Rock. Fredericksburg, Texas, October 27, 2007
Granite bath tub of Catherine the Great in Babolovsky Park. Pushkin (former Tsarsoe Selo) near Saint Petersburg, Russia, May 25, 2014
Swamp on a granite plateau in north-west area of Monrepo (Mon Repos) Park. Vyborg, Russia, September 14, 2013
Granite ruins of Bienkovsky Mansion in Zakhodskoe, 50 miles north from Saint Petersburg. Leningrad Region, Russia, August 7, 2016
Granite stones on a beach of Gulf of Finland in Tarkhovka Park near Sestroretsk, west from Saint Petersburg. Russia, September 22, 2017
Rock-shield lichen (Xanthoparmelia) on a granite tombstone in City Cemetery. Bryan, Texas, December 8, 2018
Lichens covering granite in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
Orange firedot lichen Fulgogasparrea appressa (Caloplaca appressa)(?) on granite in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
Detail of a granite obelisk in Masonic Cemetery. Chappell Hill, Texas, March 17, 2019
Grey granite bowl in ancient art section of Hermitage Museum. Saint Petersburg, Russia, November 16, 2016
Granites of Shehoret canyon 4 miles north from Eilat. The Middle East, March 14, 2002
Wet granite boulders on a beach in Alexandria Park in Peterhof, west from Saint Petersburg. Russia, September 28, 2015
Collapsed granite tomb in Smolenskoe Cemetery of Vasilievsliy Island. Saint Petersburg, Russia, June 26, 2017
Firedot lichen Fulgogasparrea brouardii (Caloplaca brouardii)(?) on granite stone in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
Red firedot lichen Fulgogasparrea appressa (Caloplaca appressa)(?) on granite in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
Button lichen (Buellia) on a polished granite surface of Bible on a tomb in Odd Fellow Cemetery. Anderson, Texas, December 31, 2018
Firedot lichen Caloplaca subsoluta (Squamulea subsoluta, Caloplaca irrubescens) on a granite tombstone in old Port Sullivan cemetery, west from Hearne. Texas, January 8, 2019
Exfoliation of granites of Enchanted Rock, view from Turkey Pass Trail. Fredericksburg, Texas, October 27, 2007
Mossy granite pyramid in north-west area of Monrepo (Mon Repos) Park. Vyborg, Russia, September 14, 2013
Granite columns of Mausoleum "To kind spouse" in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, June 11, 2009
Decayed granite pillars from an ancient Crusader s fortress at Mediterranean beach in southern Ashkelon. The Middle East, September 19, 2001
Grains of granite on a beach. Solnechnoe, west from Saint Petersburg, Russia, May 31, 2014
Slender rosette lichen (Physcia subtilis) on a granite surface in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
Dry flakes of leather lichen (Dermatocarpon) on a horizontal granite surface in shade in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
Rock-shield lichen (Xanthoparmelia) on cracked pink granite of Freshman Mountain in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
Moonglow lichen (Dimelaena oreina)(?) 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
Grave of Sam Houston at west entrance of Oakwood Cemetery showing Sam Houston carved from grey granite on his horse flanked by allegorical figures of Victory and History, view from Avenue I. Huntsville, Texas, December 18, 2008
Granite pillar in Novodevichye Cemetery at Moskovskiy Prospekt. Saint Petersburg, Russia, June 15, 2011
Granite rocks in a forest east from Leypyasuo. North from Saint Petersburg, Russia, June 7, 2014
Firedot lichen Caloplaca on granite stone in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
Standing on a granite dome of Enchanted Rock in Enchanted Rock State Natural Area. Fredericksburg, Texas, October 27, 2007
Granite stones near Gulf of Finland in Alexandria Park in Peterhof, west from Saint Petersburg. Russia, September 12, 2013
Bonfire Memorial in mist on campus of Texas A and M University, through one of 12 granite portals. College Station, Texas, September 26, 2007
Granite tomb in Novodevichye Cemetery at Moskovskiy Prospekt. Saint Petersburg, Russia, September 22, 2015
Decorative Parterre from Granite Terrace of Ramp Alley in Catherine Park. Pushkin (former Tsarskoe Selo) near Saint Petersburg, Russia, May 23, 2019
Granite tombs in Novodevichye Cemetery at Moskovskiy Prospekt in mist. Saint Petersburg, Russia, June 26, 2010
Lichens on a granite tombstone in City Cemetery. Bryan, Texas, December 15, 2012
Entrance of granite hollow of old powder bunker in north-west area of Monrepo (Mon Repos) Park. Vyborg, Russia, September 14, 2013
Granite boulders in Monrepo (Mon Repos) Park near Malaya Vodyanaya Street. Vyborg, Russia, September 14, 2013
One of 12 granite (outer) and bronze (interior) portals of Bonfire Memorial on campus of Texas A and M University. College Station, Texas, September 18, 2007
Granite stone in a courtyard at 12 Krepostnaya Street. Vyborg, Russia, June 21, 2014
Granite dig out of old powder bunker in north-west area of Monrepo (Mon Repos) Park. Vyborg, Russia, September 14, 2013
Granite gate with gargoyles near train station. Vyborg, Russia, August 12, 2012
Granite columns of upper rotunda of Saint Isaac Cathedral. Saint Petersburg, Russia, January 8, 2016
Old granite walls behind Vyborg Castle. Vyborg, Russia, September 14, 2013
Forest on a granite plateau in north-west area of Monrepo (Mon Repos) Park. Vyborg, Russia, September 14, 2013
One of granite bears from a demolished train station near Intendantsky Proezd. Vyborg, Russia, June 21, 2014
One of granite bears from a demolished train station on a children s playground near Intendantsky Proezd. Vyborg, Russia, June 21, 2014
Blooming stonecrop (Sedum) on granite outcrops on Mannerheimintie Road. Helsinki, Finland, July 18, 2015
Granite boulders on a beach in Alexandria Park in Peterhof, west from Saint Petersburg. Russia, September 28, 2015
Granite globe on a tomb in Literatorskie Mostki section of Volkovo Cemetery. Saint Petersburg, Russia, July 13, 2016
Granite wall in Monrepo (Mon Repos) Park. Vyborg, north from Saint Petersburg, Russia, October 7, 2016
Granite base of a pergola on Rose Field in Catherine Park. Pushkin (former Tsarskoe Selo) near Saint Petersburg, Russia, October 13, 2016
Granite Terraces in Catherine Park. Pushkin (former Tsarskoe Selo) near Saint Petersburg, Russia, October 13, 2016
Granite pillar on Architecture Lane in Literatorskie Mostki section of Volkovo Cemetery. Saint Petersburg, Russia, October 17, 2016
Granite tomb in Novodevichye Cemetery at Moskovskiy Prospect. Saint Petersburg, Russia, October 18, 2016
Granite tomb in Novodevichye Cemetery at Moskovskiy Prospect. Saint Petersburg, Russia, October 18, 2016
Pink granite pillars in Novodevichye Cemetery at Moskovskiy Prospect. Saint Petersburg, Russia, October 18, 2016
Granite obelisk on Mikhailovskaya Lane in Smolenskoe Cemetery of Vasilievsliy Island. Saint Petersburg, Russia, October 27, 2016
Granite sculpture on Kozhevnikova Lane in Smolenskoe Cemetery of Vasilievsliy Island. Saint Petersburg, Russia, October 27, 2016
Broken granite tombstones on Second Nadezhdinskaya Lane near Smolenka River in Smolenskoe Cemetery of Vasilievsliy Island. Saint Petersburg, Russia, October 27, 2016
Granite tombstones on Krymskaya Lane in Smolenskoe Cemetery of Vasilievsliy Island. Saint Petersburg, Russia, October 27, 2016
Granite terrace in Catherine Park. Pushkin (former Tsarskoe Selo) near Saint Petersburg, Russia, December 3, 2016
Granite Terrace and a pier in Catherine Park. Pushkin (former Tsarskoe Selo) near Saint Petersburg, Russia, December 3, 2016
Large granite stones in Monrepo (Mon Repos) Park. Vyborg, Russia, June 23, 2017
Venus and amur statue from Granite Terrace in Catherine Park. Pushkin (former Tsarskoe Selo), south from Saint Petersburg, Russia, October 6, 2017
Statue of Silenus with the baby Dionysus on Granite Terrace in Catherine Park. Pushkin (former Tsarskoe Selo), south from Saint Petersburg, Russia, October 6, 2017
Bronze statue on Granite Terrace in Catherine Park. Pushkin (former Tsarskoe Selo), south from Saint Petersburg, Russia, October 6, 2017
Peppered rock-shield lichen (Xanthoparmelia conspersa) with millipeds on a granite tomb in City Cemetery. Bryan, Texas, December 8, 2018
Various lichens on a granite stone in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
Dark brown crustose lichen Caloplaca on granite in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
Dark brown crustose lichen Caloplaca on pink granite in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
Common grey crustose lichen Aspicilia (sunken disk lichen) on granite in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
Cobblestone, or cracked lichen Acarospora (yellow, dispersed) on pink granite in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
Grey crustose lichen Aspicilia with firedot lichen Caloplaca on granite in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
Grey crustose lichen Aspicilia with orange firedot lichen Caloplaca on granite in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
Brown lichen Caloplaca with other crustose lichens on pink granite in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
Yellow cobblestone lichen Acarospora socialis and brown Caloplaca on pink granite in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
Isidious lichen Fulgogasparrea brouardii (Caloplaca brouardii)(?) on a granite stone in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
Leather lichen Dermatocarpon luridum (brownish foliose) on black granular lichen Pyrenopsis in seepage area on horizontal granite surface in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
Leather lichen Dermatocarpon luridum with water-crust lichen Pyrenopsis in water seepage area on granite in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
Close up of leather lichen Dermatocarpon luridum in water seepage area on granite in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
Orange and dark brown crustose lichens Caloplaca on pink granite in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
Dry leather lichen (Dermatocarpon) on a horizontal granite surface in shade in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
Gold cobblestone lichen Pleopsidium flavum (Pleopsidium oxytonum)(?) mixed with a grey crustose lichen on granite in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
Mexican yolk lichen (Candelina submexicana) on pink granite in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
Narrow lobes of granite rosette lichen (Physcia halei) in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
Flakes of leather lichen (Dermatocarpon) on a horizontal granite surface in shade in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
Masses of flakes of leather lichen (Dermatocarpon) on a horizontal granite surface in a shade of big rocks in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
Yellow cobblestone lichen Acarospora socialis on pink granite in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
Tiny yellow flower of aster family on pink granite in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
Large slabs of granite at the base of the dome of Enchanted Rock, view from Freshman Mountain. 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
Button lichen (Buellia) on a granite tombstone in Odd Fellow Cemetery. Anderson, Texas, December 31, 2018
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) growing around inscription on a granite tomb of C. M. Womack (5/24/1862) in Odd Fellow Cemetery. Anderson, Texas, December 31, 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
Close up of button lichen (Buellia) on a polished granite surface of Bible on a tomb in Odd Fellow Cemetery. Anderson, Texas, December 31, 2018
Rock shield lichen (Xanthoparmelia) on a granite tombstone in old Port Sullivan cemetery, west from Hearne. Texas, January 8, 2019
Close up of rock shield lichen (Xanthoparmelia) on a granite tombstone in old Port Sullivan cemetery, west from Hearne. Texas, January 8, 2019
Firedot lichen Caloplaca subsoluta (Squamulea subsoluta, Caloplaca irrubescens) with black prothallus on a granite tomb in old Port Sullivan cemetery, west from Hearne. Texas, January 8, 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
Peppered rock-shield lichen (Xanthoparmelia conspersa) on a granite tombstone in City Cemetery. Bryan, Texas, March 3, 2019
Some grey lichen 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
Close up of some grey lichen with black apothecia on a granite tombstone 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
Tall granite tombstones in Masonic Cemetery. Chappell Hill, Texas, March 17, 2019
Granite sculpture in Peter the Great Botanical Garden of Komarov Botanical Institute. Saint Petersburg, Russia, May 7, 2019
Texture of map lichen Rhizocarpon petraeum on a granite stone in Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, May 9, 2019
Blue-gray rosette lichen Physcia caesia on a granite stone in dunes near the lake south from Mys Moryin Nos near Ladoga Lake, east from Saint Petersburg. Russia, May 14, 2019
Texture of blue-gray rosette lichen Physcia caesia on a granite stone in dunes near the lake south from Mys Moryin Nos near Ladoga Lake, east from Saint Petersburg. Russia, May 14, 2019
Close up of blue-gray rosette lichen Physcia caesia on a granite stone in dunes near the lake south from Mys Moryin Nos near Ladoga Lake, east from Saint Petersburg. Russia, May 14, 2019
Salted shield lichen (crottle, Parmelia saxatilis) on a granite stone in dunes near the lake south from Mys Moryin Nos near Ladoga Lake, east from Saint Petersburg. Russia, May 14, 2019
Various grey saxicolous crustose lichens on a granite rock near the lake near old army bathhouse south from Mys Moryin Nos near Ladoga Lake, east from Saint Petersburg. Russia, May 14, 2019
Texture of various grey saxicolous crustose lichens on a granite rock near the lake near old army bathhouse south from Mys Moryin Nos near Ladoga Lake, east from Saint Petersburg. Russia, May 14, 2019
Various grey and brown saxicolous crustose lichens on a granite rock near the lake near old army bathhouse south from Mys Moryin Nos near Ladoga Lake, east from Saint Petersburg. Russia, May 14, 2019
Grey folios lichen on a granite stone near the gulf in Sobstvennaya Dacha Park. Old Peterhof, west from Saint Petersburg, Russia, May 17, 2019
Close up of grey folios lichen on a granite stone near the gulf in Sobstvennaya Dacha Park. Old Peterhof, west from Saint Petersburg, Russia, May 17, 2019
Railroad from a bridge above granite cliffs 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
Crater lichen Diploschistes scruposus on a granite cliff 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
Yellowish dust-like lichen at the foot of granite cliffs in Monrepos Park in Vyborg. Russia, May 24, 2019
Yellow map lichen (Rhizocarpon geographicum) on granite 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
Salted shield lichen (crottle, Parmelia saxatilis)(?) 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
Some grey sorediate Parmelia(?) lichen on granite cliffs in Monrepos Park in Vyborg. Russia, May 24, 2019
Granite rocks on extremety in Gulf of Finland in Tarkhovka near Sestroretsk. West from Saint Petersburg, Russia, August 18, 2018
Perforated ruffle lichen (Parmotrema perforatum) on a granite 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
Some grey lichen together with Caloplaca on a granite tombstone 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
Marble and granite tombs in Historic Independence Cemetery near Independence. Texas, March 31, 2019
Multicolored saxicolous crustose lichens on a granite rock near the lake near old army bathhouse south from Mys Moryin Nos near Ladoga Lake, east from Saint Petersburg. Russia, May 14, 2019
Road at foot of granite cliff in Monrepos Park in Vyborg. Russia, May 24, 2019
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
Salted shield lichen (crottle, Parmelia saxatilis) on granite 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
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
Crater lichen Diploschistes scruposus on 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
Crater lichen Diploschistes scruposus at the foot of 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
Crater lichen Diploschistes scruposus together with dark-brown lichen on 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
Small foliose lichen Cladonia incrassata(?) on 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
Rock foam lichen (Stereocaulon saxatile)(?) on a rough surface of a granite stone in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
Rock foam lichen (Stereocaulon saxatile) with other lichens on a large granite stone in a forest in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
Area of Granite Pier in Catherine Park in Pushkin (former Tsarskoe Selo) near Saint Petersburg. Russia, May 18, 2021
Map lichen Rhizocarpon petraeum on a granite boulder in Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, May 22, 2021
Stellas of grey granite in City Cemetery. Bryan, Texas, January 17, 2023
Lichens on a granite tomb in City Cemetery. Bryan, Texas, January 17, 2023
