 Peppered rock tripe lichen (Umbilicaria deusta) on a stone in Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, May 9, 2019
 Rock foam lichen (Stereocaulon saxatile)(?) on a boulder in a forest in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Buellia(?) lichen on a boulder in a forest in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 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)(?) 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
 Lichen Lecidea lapicida(?) on a boulder in a forest in Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, May 9, 2019
 Reindeer lichen (Cladonia) 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
 Some fruticose lichen on a fallen twig 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
 Thorn lichen Cladonia uncialis 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
 Reindeer lichen Cladonia rangiferina 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
 Buellia(?) lichen on a stone in a forest 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
 Species of reindeer 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
 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
 Trumpet like lichen Cladonia among pine needles 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
 Close up of reindeer lichen Cladonia rangiferina 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
 Brown-beret lichen (Baeomyces rufus) with apothecia in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Black apothecia of Buellia(?) lichen on a stone in a forest 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
 Oakmoss lichen Evernia prunastri on a fallen twig 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
 Fruticose lichen on a fallen twig on black background 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
 Branch tips of reindeer lichen Cladonia rangiferina 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
 Powdered sunshine lichen (Vulpicida pinastri) on a stump in shade 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
 Gray-orange disk lichen (Lecidea lapicida)(?) on a stone 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
 Texture of star-tipped reindeer lichen (Cladonia stellaris) in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Iceland moss lichen (Cetraria islandica) turning reddish-brown in a wet forest in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 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
 Rock foam lichen (Stereocaulon saxatile)(?) in Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, May 9, 2019
 Map lichen Rhizocarpon petraeum on a granite boulder in Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, May 22, 2021
 Peppered rock-shield lichen (Xanthoparmelia conspersa) and sunken rim-lichen (Lecanora oreinoides) on a rock at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
 Peppered rock-shield lichen (Xanthoparmelia conspersa) and firedot lichen Caloplaca on a tomb in City Cemetery. Bryan, Texas, January 3, 2019
 Fan clubmoss and reindeer lichen in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, August 21, 2013
 Elongated structures of Cladonia fimbriata lichen in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, August 21, 2013
 Peppered rock-shield lichen (Xanthoparmelia conspersa) on a rock at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
 Apothecia of peppered rock-shield lichen (Xanthoparmelia conspersa) on a rock at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
 Interwoven mats of Reindeer lichen (Cladonia portentosa) in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, August 21, 2013
 Star-tipped reindeer lichen (Cladonia stellaris) in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, August 21, 2013
 Peppered rock-shield lichen (Xanthoparmelia conspersa) on a tomb in City Cemetery. Bryan, Texas, March 3, 2019
 Mats of star-tipped reindeer lichen (Cladonia stellaris) in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, August 21, 2013
 Peppered rock-shield lichen (Xanthoparmelia conspersa) on a granite tombstone in City Cemetery. Bryan, Texas, March 3, 2019
 Some web-like fungus on rotting wood in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Apothecia of peppered rock-shield lichen (Xanthoparmelia conspersa) on a granite tomb 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
 Texture of peppered rock-shield lichen (Xanthoparmelia conspersa) on a granite tomb in City Cemetery. Bryan, Texas, March 3, 2019
 Cetraria and Cladonia lichens in a pine forest in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Red-belted bracket mushrooms (Fomitopsis pinicola) in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Reindeer lichens (Cladonia) in a pine forest in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Reindeer lichen (Cladonia portentosa) and Cladonia cervicornis ssp. verticillata in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, August 21, 2013
 Underside of a brown polypore mushroom Phellinus chrysoloma(?) in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Peppered rock-shield lichen (Xanthoparmelia conspersa) on a 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
 Pore surface of red-belted bracket mushroom (Fomitopsis pinicola) in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 False morel mushroom (Gyromitra esculenta) on a bonfire site 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 22, 2021
 Map lichen Rhizocarpon petraeum on the surface of a rock in Zakhodskoe, 50 miles north from Saint Petersburg. Russia, July 10, 2016
 Reindeer lichen (Cladonia portentosa) and trumpet-shaped Cladonia cervicornis ssp. verticillata in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, August 21, 2013
 Sunken rim-lichen (Lecanora oreinoides) and peppered rock-shield lichen (Xanthoparmelia conspersa) on sandstone outcrops in an oak and red cedar forest at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
 Rock shield lichen (Xanthoparmelia) on a granite boulder on shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Brown polypore mushroom Phellinus chrysoloma(?) on rotting wood of spruce(?) in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Peppered rock-shield lichen (Xanthoparmelia conspersa) on sandstone near Lost Pines Overlook in Bastrop State Park. Bastrop, Texas, March 14, 2019
 Pore surface of a brown polypore mushroom Phellinus chrysoloma(?) on a fallen spruce(?) in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 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
 Peppered rock-shield lichen (Xanthoparmelia conspersa) on a sandstone rock at an overlook point in Bastrop State Park. Bastrop, Texas, February 23, 2020
 Reindeer lichens Cladonia rangiferina (greenish) and Cladonia portentosa (grey) in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Fir forest near a lake 2 miles west from Kannelyarvi, 40 miles north from Saint Petersburg. Russia, August 7, 2012
 Peppered rock-shield lichen (Xanthoparmelia conspersa) on a rock at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, February 14, 2024
 Peppered rock-shield lichen (Xanthoparmelia conspersa) on a rock on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, December 21, 2023
 Peppered rock-shield lichen (Xanthoparmelia conspersa) with apothecia on a rock at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, February 14, 2024
 Peppered rock-shield lichen (Xanthoparmelia conspersa) with moss on a rock at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, February 14, 2024
 Texture of peppered rock-shield lichen (Xanthoparmelia conspersa) on a rock on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, December 21, 2023
 Growth of peppered rock-shield lichen (Xanthoparmelia conspersa) on a sandstone rock at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, February 14, 2024
 Round patch of peppered rock-shield lichen (Xanthoparmelia conspersa) on a rock at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, February 14, 2024
 Rosettes of peppered rock-shield lichen (Xanthoparmelia conspersa) on sandstone at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
 Soredia of peppered rock-shield lichen (Xanthoparmelia conspersa) on sandstone at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
 Peppered rock-shield lichen Xanthoparmelia conspersa on sandstone in an oak and red cedar forest at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
 Small rosette of peppered rock-shield lichen (Xanthoparmelia conspersa) on sandstone at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
 Peppered rock-shield lichen Xanthoparmelia conspersa on sandstone outcrops in an oak and red cedar forest at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
 Peppered rock-shield lichen Xanthoparmelia conspersa on sandstone outcrop at the road descent at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
 Peppered rock-shield lichen Xanthoparmelia conspersa on sandstone outcrop at the road descent at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
 Peppered rock-shield lichen Xanthoparmelia conspersa covering sandstone in an oak and red cedar forest at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
 Soredia of peppered rock-shield lichen Xanthoparmelia conspersa on sandstone outcrop at the road descent at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
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