 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)(?) on a boulder in a forest in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Rock foam lichen (Stereocaulon saxatile)(?) in Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, May 9, 2019
 Rock foam lichen (Stereocaulon saxatile)(?) on a boulder in Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, May 9, 2019
 Rock foam lichen (Stereocaulon saxatile)(?) in Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, May 22, 2021
 Buellia(?) lichen on a stone in a forest in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Woolly foam lichen (downy land coral, Stereocaulon tomentosum) between rocks on railroad bed near Orekhovo, 40 miles north from Saint Petersburg. Russia, September 9, 2016
 Black apothecia of Buellia(?) lichen on a stone in a forest in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Peppered rock tripe lichen (Umbilicaria deusta) on a boulder in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Gray-orange disk lichen (Lecidea lapicida)(?) on a stone in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 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
 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
 Reindeer lichens (Cladonia) in a pine forest in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Cetraria and Cladonia lichens in a pine forest in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Peppered rock tripe lichen (Umbilicaria deusta) on a stone in Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, May 9, 2019
 Buellia(?) lichen on a boulder in a forest in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Trumpet like Cladonia lichen in a dry pine forest in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Trumpet like lichen Cladonia in a pine forest in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 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
 Iceland moss lichen (Cetraria islandica) turning reddish-brown in a wet forest in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 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
 Reindeer lichen (Cladonia) in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Reindeer lichens Cladonia rangiferina (greenish) and Cladonia portentosa (grey) in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Species of reindeer lichen (Cladonia) in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Reindeer lichen Cladonia rangiferina in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Sieve lichen (Cladonia multiformis) in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Thorn lichen Cladonia uncialis in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Thorn lichen Cladonia uncialis in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Reindeer lichen Cladonia rangiferina(?) in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Trumpet like Cladonia lichen on the ground in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Some fruticose lichen on a fallen twig in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Trumpet like lichen Cladonia in moss in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Iceland moss lichen (Cetraria islandica) in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Texture of thorn lichen Cladonia uncialis in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Trumpet like lichen Cladonia among pine needles in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Close up of reindeer lichen Cladonia rangiferina in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Species of reindeer lichen (Cladonia) in moss in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Close up of thorn lichen Cladonia uncialis in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Iceland moss lichen (Cetraria islandica) in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Branch tips of reindeer lichen Cladonia rangiferina in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Sieve lichen (Cladonia multiformis) among pine needles in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Close up of Iceland moss lichen (Cetraria islandica) in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Close up of Iceland moss lichen (Cetraria islandica) in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Star-tipped reindeer lichen (Cladonia stellaris) in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Brown-beret lichen (Baeomyces rufus) with apothecia in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Oakmoss lichen Evernia prunastri on a fallen twig in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Fruticose lichen on a fallen twig on black background in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Hooded tube lichen (Hypogymnia physodes) on pine in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Map lichen Rhizocarpon petraeum on a roadside stone in a forest 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
 Mats of lichens in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, August 21, 2013
 Cowberry with lichens in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, August 21, 2013
 Moss with lichens in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, August 21, 2013
 Texture of star-tipped reindeer lichen (Cladonia stellaris) in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Hooded tube lichen (Hypogymnia physodes) on pine bark in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Powdered sunshine lichen (Vulpicida pinastri) on a stump in shade in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Close up of star-tipped reindeer lichen (Cladonia stellaris) in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Various lichens on a granite stone in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
 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
 Mats of greenish lichens in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, August 21, 2013
 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
 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
 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
 Felt lichen (common freckle pelt, Peltigera aphthosa) and its black and white underside in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Brown-beret lichen (Baeomyces rufus) on exposed soil on a side of a sandy road in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Collema lichen on a stone in Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, May 9, 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
 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
 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
 Saxicolous lichen Lecidea lapicida(?) on a stone in Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, May 9, 2019
 Chanterelle mushroom (Cantharellus cibarius) in Yagel (Cladonia sp.) lichens west from Kannelyarvi, 40 miles north from Saint Petersburg. Russia, August 7, 2012
 Salted shield lichen (crottle, Parmelia saxatilis) on a stone in Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, May 9, 2019
 Long rope-like rhizines of dog lichen (Peltigera membranacea) on a mossy stone in Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, May 9, 2019
 Slimy orange webcap mushroom (Cortinarius mucosus) growing in Yagel (Cladonia sp.) lichens west from Kannelyarvi, 40 miles north from Saint Petersburg. Russia, August 7, 2012
 Brown lichen Caloplaca with other crustose lichens on pink granite in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
 Large group of red brittlegill mushrooms Russula paludosa (Russian name Syroezhka) on a slope in a spruce forest west from Kannelyarvi, 45 miles north from Saint Petersburg. Russia, August 31, 2018
 Fan clubmoss and reindeer lichen in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, August 21, 2013
 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
 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
 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
 Firedot lichen Caloplaca on granite stone in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
 Elongated structures of Cladonia fimbriata lichen in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, August 21, 2013
 Trumpet like lichens on a large rock on a side of a field in Menkovo, south from Saint Petersburg. Russia, June 4, 2014
 Star-tipped reindeer lichen (Cladonia stellaris) in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, August 21, 2013
 Interwoven mats of Reindeer lichen (Cladonia portentosa) in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, August 21, 2013
 Mats of star-tipped reindeer lichen (Cladonia stellaris) in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, August 21, 2013
 Map lichen Rhizocarpon petraeum on a granite boulder in Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, May 22, 2021
 Some web-like fungus on rotting wood in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Broken granite stone on a large damaged tomb in Smolenskoe Lutheran Cemetery on Dekabristov Island. Saint Petersburg, Russia, August 12, 2024
 Fir forest near a lake 2 miles west from Kannelyarvi, 40 miles north from Saint Petersburg. Russia, August 7, 2012
 Downy land coral lichen (Stereocaulon tomentosum) in dunes near the lake south from Mys Moryin Nos near Ladoga Lake, east from Saint Petersburg. Russia, May 14, 2019
 Large apothecia of peppered rock-shield lichen (Xanthoparmelia conspersa) on surface of a granite tomb in Odd Fellow Cemetery. Anderson, Texas, December 31, 2018
 Red-belted bracket mushrooms (Fomitopsis pinicola) in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Isidious lichen Fulgogasparrea brouardii (Caloplaca brouardii)(?) on a granite stone in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
 Firedot lichen Fulgogasparrea brouardii (Caloplaca brouardii)(?) on granite stone in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
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