 Grey folios lichen on a granite stone near the gulf in Sobstvennaya Dacha Park. Old Peterhof, west from Saint Petersburg, Russia, May 17, 2019
 M. N. Benois Dacha (summer house) in Sobstvennaya Dacha Park. Old Peterhof, west from Saint Petersburg, Russia, May 17, 2019
 Vintage appearance of M. N. Benois Dacha (summer house) in Sobstvennaya Dacha Park. Old Peterhof, west from Saint Petersburg, Russia, May 17, 2019
 Close up of split porecrust mushrooms (Schizopora paradoxa)(?) on a log in Sobstvennaya Dacha Park. Old Peterhof, west from Saint Petersburg, Russia, May 17, 2019
 Fern leaf in Sobstvennaya Dacha Park. Old Peterhof, west from Saint Petersburg, Russia, May 17, 2019
 Flower of stitchwort (Stellaria) in Sobstvennaya Dacha Park. Old Peterhof, west from Saint Petersburg, Russia, May 17, 2019
 Forest road east from a meadow in Sobstvennaya Dacha Park. Old Peterhof, west from Saint Petersburg, Russia, May 17, 2019
 Bird cherry (Russian name Cheriomukha) in Sobstvennaya Dacha Park. Old Peterhof, west from Saint Petersburg, Russia, May 17, 2019
 Orange corticioid (crust) fungus on a log in Sobstvennaya Dacha Park. Old Peterhof, west from Saint Petersburg, Russia, May 17, 2019
 Split porecrust mushrooms (Schizopora paradoxa)(?) on a log in Sobstvennaya Dacha Park. Old Peterhof, west from Saint Petersburg, Russia, May 17, 2019
 Peniophora or other orange corticioid (crust) fungus on a log in Sobstvennaya Dacha Park. Old Peterhof, west from Saint Petersburg, Russia, May 17, 2019
 Some tooth like corticioid mushroom on a tree bark in Sobstvennaya Dacha Park. Old Peterhof, west from Saint Petersburg, Russia, May 17, 2019
 Some grey folios lichen at the foot of granite cliffs in Monrepos Park in Vyborg. Russia, May 24, 2019
 Trichia scabra slime mold on rotting wood in Sobstvennaya Dacha Park. Old Peterhof, west from Saint Petersburg, Russia, May 17, 2019
 Wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Sobstvennaya Dacha Park. Old Peterhof, west from Saint Petersburg, Russia, May 17, 2019
 Ochre spreading tooth mushroom (Steccherinum ochraceum)(?) on a log in Sobstvennaya Dacha Park. Old Peterhof, west from Saint Petersburg, Russia, May 17, 2019
 Close up of a fringed polypore mushroom Lentinus substrictus (Lentinus ciliatus, Polyporus ciliatus, Russian name Trutovik Maysky) in Sobstvennaya Dacha Park. Old Peterhof, west from Saint Petersburg, Russia, May 17, 2019
 Seed head of coltsfoot (Tussilago farfara, Russian name Mat I Machekha) in Sobstvennaya Dacha Park. Old Peterhof, west from Saint Petersburg, Russia, May 17, 2019
 Ochre spreading tooth mushroom (Steccherinum ochraceum)(?) on a cut surface of a log in Sobstvennaya Dacha Park. Old Peterhof, west from Saint Petersburg, Russia, May 17, 2019
 Split porecrust mushrooms (Schizopora paradoxa)(?) on rotting wood in Sobstvennaya Dacha Park. Old Peterhof, west from Saint Petersburg, Russia, May 17, 2019
 Flowers of wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Sobstvennaya Dacha Park. Old Peterhof, west from Saint Petersburg, Russia, May 17, 2019
 Blooming wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Sobstvennaya Dacha Park. Old Peterhof, west from Saint Petersburg, Russia, May 17, 2019
 Ochre spreading tooth mushroom (Steccherinum ochraceum)(?) on rotting wood in Sobstvennaya Dacha Park. Old Peterhof, west from Saint Petersburg, Russia, May 17, 2019
 Texture of split porecrust mushrooms (Schizopora paradoxa)(?) on rotting wood in Sobstvennaya Dacha Park. Old Peterhof, west from Saint Petersburg, Russia, May 17, 2019
 Split porecrust mushrooms (Schizopora paradoxa)(?) together with orange plasmodium of a slime mold in Sobstvennaya Dacha Park. Old Peterhof, west from Saint Petersburg, Russia, May 17, 2019
 Prostrate mushroom Cerioporus mollis (Datronia mollis) on a log in Sobstvennaya Dacha Park. Old Peterhof, west from Saint Petersburg, Russia, May 17, 2019
 Texture of prostrate mushroom Cerioporus mollis (Datronia mollis) on a log in Sobstvennaya Dacha Park. Old Peterhof, west from Saint Petersburg, Russia, May 17, 2019
 Fringed polypore mushrooms Lentinus substrictus (Lentinus ciliatus, Polyporus ciliatus, Russian name Trutovik Maysky) in Sobstvennaya Dacha Park. Old Peterhof, west from Saint Petersburg, Russia, May 17, 2019
 Grey folios lichen on a rotting wood post near Orekhovo, north from Saint Petersburg. Russia, May 15, 2019
 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 stones near Gulf of Finland in Alexandria Park in Peterhof, west from Saint Petersburg. Russia, September 12, 2013
 Granite rocks in Gulf of Finland in Alexandria Park in Peterhof, west from Saint Petersburg. Russia, June 6, 2011
 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
 Stone bench near Gulf of Finland in lower Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 5, 2017
 Close up of some grey lichen with black apothecia on a granite tombstone in City Cemetery. Bryan, Texas, March 3, 2019
 Grey lichen on a granite stone in Paltsevo Rock Massif near Svetogorsk Highway near Vyborg. Russia, July 20, 2024
 Some grey crustose lichen on a 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
 Stone head in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, May 17, 2019
 Stone head in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, May 17, 2019
 Some grey sorediate Parmelia(?) 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
 Stone head and a spring in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, May 17, 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
 Stone steps of Palace of a duke Maximilian Leikhtenbergsky in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, May 17, 2019
 Golden lichen Xanthoria parietina with another grey crustose lichen on a stone in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, July 31, 2024
 Lower Dacha of Tsar Nicholas II in Alexandria Park in Peterhof, west from Saint Petersburg. Russia, September 28, 2015
 Lower Dacha of Tsar Nicholas II in Alexandria Park in Peterhof, west from Saint Petersburg. Russia, June 6, 2011
 Lower Dacha of Tsar Nicholas II in Alexandria Park in Peterhof, west from Saint Petersburg. Russia, August 26, 2016
 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
 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
 Ruins of Lower Dacha of Tsar Nicholas II in Alexandria Park in Peterhof, west from Saint Petersburg. Russia, June 6, 2011
 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 grey reindeer lichen (Cladonia rangiferina) in Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, May 9, 2019
 Rubble from Lower Dacha of Tsar Nicholas II on a beach in Alexandria Park in Peterhof, west from Saint Petersburg. Russia, September 28, 2015
 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
 Granite boulders on a beach in Alexandria Park in Peterhof, west from Saint Petersburg. Russia, September 28, 2015
 Wet granite boulders on a beach in Alexandria Park in Peterhof, west from Saint Petersburg. Russia, September 28, 2015
 Some grey lichen on a granite tombstone in City Cemetery. Bryan, Texas, March 3, 2019
 Close up of crater lichen Diploschistes scruposus on granite cliffs in Monrepos Park in Vyborg. Russia, May 24, 2019
 Peltigera lichen on a mossy stone near Lisiy Nos, west from Saint Petersburg. Russia, May 6, 2019
 Some grey lichen together with Caloplaca on a granite tombstone in City Cemetery. Bryan, Texas, March 3, 2019
 Granite stones on a beach of Gulf of Finland in Tarkhovka Park near Sestroretsk, west from Saint Petersburg. Russia, September 22, 2017
 Alley to the gulf in Alexandria Park in Peterhof, west from Saint Petersburg. Russia, June 6, 2011
 Gulf of Finland in Alexandria Park in Peterhof, west from Saint Petersburg. Russia, June 6, 2011
 Group of oaks near the gulf in Alexandria Park in Peterhof, west from Saint Petersburg. Russia, May 22, 2015
 Boulders in Gulf of Finland in Alexandria Park in Peterhof, west from Saint Petersburg. Russia, May 22, 2015
 Some grey lichen with black apothecia 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
 Stones in Gulf of Finland in Alexandria Park in Peterhof, west from Saint Petersburg. Russia, September 12, 2013
 Shore of Gulf of Finland in Alexandria Park in Peterhof, west from Saint Petersburg. Russia, June 6, 2011
 Brick house near Gulf of Finland in Alexandria Park in Peterhof, west from Saint Petersburg. Russia, May 22, 2015
 Stone head in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, May 23, 2017
 Close up of dark grey saxicolous crustose lichen on a rock near the lake near old army bathhouse south from Mys Moryin Nos near Ladoga Lake, east from Saint Petersburg. Russia, May 14, 2019
 Boat and a house near Gulf of Finland in Alexandria Park in Peterhof, west from Saint Petersburg. Russia, June 6, 2011
 Group of trees on the shore of Gulf of Finland in Alexandria Park in Peterhof, west from Saint Petersburg. Russia, May 22, 2015
 Birches on shore of Gulf of Finland in Alexandria Park in Peterhof, west from Saint Petersburg. Russia, June 6, 2011
 Stone steps in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 5, 2017
 Stone stairs in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 5, 2017
 Stone head in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 11, 2016
 Stone bridge in Alexandria Park in Peterhof, west from Saint Petersburg. Russia, August 26, 2016
 Wet meadow with Ostrich fern (Matteuccia struthiopteris) near the gulf in Alexandria Park in Peterhof, west from Saint Petersburg. Russia, May 22, 2015
 Grand Ruin Stone Bridge in Alexandria Park in Peterhof, west from Saint Petersburg. Russia, May 22, 2015
 Stone head and a spring in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, April 10, 2017
 Stone head with a spring in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 5, 2017
 Stone bridge of Krystatelka River in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, May 23, 2017
 Big Ruinny Stone Bridge in Alexandria Park in Peterhof, west from Saint Petersburg. Russia, September 28, 2015
 Face of the stone head in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, April 10, 2017
 Granite rocks on extremety in Gulf of Finland in Tarkhovka near Sestroretsk. West from Saint Petersburg, Russia, August 18, 2018
 Stone bridge of Krystatelka River in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 11, 2016
 Stone head made from a boulder in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 11, 2016
 View from Big Ruinny Stone Bridge in Alexandria Park in Peterhof, west from Saint Petersburg. Russia, September 28, 2015
 Stone head made from a boulder in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, April 10, 2017
 Low angle view of the stone head in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, April 10, 2017
 Stone bridge of Krystatelka River in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 5, 2017
 Snowy oysterling (Cheimonophyllum candidissimum) on a thick barkless log near the gulf in lower Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, May 19, 2021
 Stone head made from a boulder with a spring in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, April 10, 2017
 Grey cat in a summer house (dacha) near Orekhovo, north from Saint Petersburg. Russia, July 11, 2010
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