 Close up of powdered sunshine lichen (Vulpicida pinastri) on a log in Petiayarvi, north from Saint Petersburg. Russia, May 26, 2019
 Powdered sunshine lichen (Vulpicida pinastri) on a log in Petiayarvi, north from Saint Petersburg. Russia, August 3, 2024
 Powdered sunshine lichen (Vulpicida pinastri) and another crustose lichen on a conifer log in Petiayarvi, north from Saint Petersburg. Russia, August 3, 2024
 Young powdered sunshine lichen (Vulpicida pinastri) on a conifer log in Petiayarvi, north from Saint Petersburg. Russia, August 3, 2024
 Powdered sunshine lichen (Vulpicida pinastri) and tree fringewort (Ptilidium pulcherrimum) on a log in Petiayarvi, north from Saint Petersburg. Russia, August 3, 2024
 Powdered sunshine lichen (Vulpicida pinastri) on a stump in shade in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Powdered sunshine lichen (Vulpicida pinastri) on a log in a forest in Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, May 22, 2021
 Powdered sunshine lichen (Vulpicida pinastri) on rotten wood in a forest in Posiolok, near Vyritsa, 50 miles south from Saint Petersburg. Russia, July 9, 2016
 Dog lichen (Peltigera membranacea) in Petiayarvi, north from Saint Petersburg. Russia, May 26, 2019
 Sieve lichen (Cladonia multiformis) in Petiayarvi, north from Saint Petersburg. Russia, May 26, 2019
 Dog lichen Peltigera didactyla on old bonfire site in Petiayarvi, north from Saint Petersburg. Russia, May 26, 2019
 Felt lichen (common freckle pelt, Peltigera aphthosa) in Petiayarvi, north from Saint Petersburg. Russia, May 26, 2019
 Felt lichen (common freckle pelt, Peltigera aphthosa) in moss in Petiayarvi, north from Saint Petersburg. Russia, May 26, 2019
 Green lobes of felt lichen (common freckle pelt, Peltigera aphthosa) in Petiayarvi, north from Saint Petersburg. Russia, May 26, 2019
 Felt lichen (common freckle pelt, Peltigera aphthosa) in a pine forest in Petiayarvi, north from Saint Petersburg. Russia, May 26, 2019
 Felt lichen (common freckle pelt, Peltigera aphthosa) among moss and pine needles in Petiayarvi, north from Saint Petersburg. Russia, May 26, 2019
 Dog lichen (Peltigera membranacea(?)) in Petiayarvi, north from Saint Petersburg. Russia, August 3, 2024
 Cladonia lichen under pines in Petiayarvi, north from Saint Petersburg. Russia, August 3, 2024
 Close-up of Cladonia lichen under pines in Petiayarvi, north from Saint Petersburg. Russia, August 3, 2024
 Green Cladonia lichen on rotting wood in Petiayarvi, north from Saint Petersburg. Russia, August 3, 2024
 Reindeer lichen (Cladonia rangiferina) a pine forest in Petiayarvi, north from Saint Petersburg. Russia, August 3, 2024
 Trumpet-shaped lichen Cladonia cervicornis ssp. verticillata(?) in Petiayarvi, north from Saint Petersburg. Russia, August 3, 2024
 Pine bolete mushroom (Boletus pinophilus) with lichen in Petiayarvi, 50 miles north from Saint Petersburg. Russia, August 30, 2017
 Close-up of trumpet-shaped lichen Cladonia cervicornis ssp. verticillata(?) in Petiayarvi, north from Saint Petersburg. Russia, August 3, 2024
 Close-up of star-tipped reindeer lichen (Cladonia stellaris) in Petiayarvi, north from Saint Petersburg. Russia, August 3, 2024
 Star-tipped reindeer lichen (Cladonia stellaris) in a pine forest in Petiayarvi, north from Saint Petersburg. Russia, August 3, 2024
 Volchya River in Petiayarvi, north from Saint Petersburg. Russia, May 26, 2019
 White poria mushroom on a log in Petiayarvi, north from Saint Petersburg. Russia, May 26, 2019
 Road in a pine forest in Petiayarvi, north from Saint Petersburg. Russia, May 26, 2019
 White porouse mushroom on a pine(?) log in Petiayarvi, north from Saint Petersburg. Russia, May 26, 2019
 Fibrecap mushrooms (Inocybe) on a trail in Petiayarvi, north from Saint Petersburg. Russia, May 26, 2019
 Some white prostrate polypore mushroom in Petiayarvi, north from Saint Petersburg. Russia, May 26, 2019
 Sulphur tuft mushrooms (Hypholoma fasciculare) in Petiayarvi, north from Saint Petersburg. Russia, May 26, 2019
 False morel mushroom (Gyromitra esculenta) in Petiayarvi, north from Saint Petersburg. Russia, May 26, 2019
 Sulphur tuft mushrooms (Hypholoma fasciculare) on a mossy stump in Petiayarvi, north from Saint Petersburg. Russia, May 26, 2019
 Morel mushrooms Morchella esculenta var. conica on old bonfire site in Petiayarvi, north from Saint Petersburg. Russia, May 26, 2019
 Powdered shadow lichen (Phaeophyscia hirsuta)(?) with soredia in City Cemetery. Bryan, Texas, March 3, 2019
 Powdered shadow lichen (Phaeophyscia hirsuta) in a city cemetery. College Station, Texas, February 6, 2019
 Powdered shadow lichen (Phaeophyscia hirsuta) on a tomb in City Cemetery. Bryan, Texas, March 3, 2019
 Powdered shadow lichen (Phaeophyscia hirsuta) on marble in Ebenezer Cemetery near Huntsville, Texas, February 17, 2019
 Powdered shadow lichen (Phaeophyscia hirsuta) on a marble tomb in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Close up of powdered shadow lichen (Phaeophyscia hirsuta) on a tombstone in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Powdered shadow lichen (Phaeophyscia hirsuta) with apothecia on marble in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Texture of powdered shadow lichen (Phaeophyscia hirsuta) on a tombstone in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Powdered shadow lichen (Phaeophyscia hirsuta) with apothecia on a marble tomb in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Powdered shadow lichen (Phaeophyscia hirsuta) on a marble tombstone in a city cemetery. College Station, Texas, February 6, 2019
 Pattern of powdered shadow lichen (Phaeophyscia hirsuta) on a marble tomb in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Powdered shadow lichen (Phaeophyscia hirsuta) with apothecia on a marble tomb in City Cemetery. Bryan, Texas, March 3, 2019
 Powdered shadow lichen (Phaeophyscia hirsuta) with thorny apothecia on a marble tomb in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Powdered ruffle lichen (Parmotrema hypotropum) on a fallen oak twig in Lick Creek Park. College Station, Texas, February 3, 2019
 Close-up of yellow merulioid fungus Leucogyrophana pinastri (Hydnomerulius pinastri) on underside of an oak log on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, February 19, 2023
 Margin of yellow merulioid fungus Leucogyrophana pinastri (Hydnomerulius pinastri) on rotting wood on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, February 19, 2023
 Yellow merulioid fungus Leucogyrophana pinastri (Hydnomerulius pinastri) on underside of a rotting oak or may be pine log on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, February 19, 2023
 Close-up of yellow merulioid fungus Leucogyrophana pinastri (Hydnomerulius pinastri) on rotting wood on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, February 19, 2023
 Powdered speckled shield lichen (Punctelia subrudecta) or may be P. caseana on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville. Texas, January 26, 2019
 Corticioid fungus Leucogyrophana pinastri (Hydnomerulius pinastri) on underside of a rotting pine log on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, December 10, 2020
 Powdered shadow lichen (Phaeophyscia hirsuta) and splitgill mushrooms on acacia (huisache) tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Close-up of corticioid fungus Leucogyrophana pinastri (Hydnomerulius pinastri) on underside of a rotting pine log on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, December 10, 2020
 Margin area of corticioid fungus Leucogyrophana pinastri (Hydnomerulius pinastri) under a rotting pine log on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, December 10, 2020
 Fresh growth of corticioid fungus Leucogyrophana pinastri (Hydnomerulius pinastri) under a rotting pine log on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, December 10, 2020
 Recent growth of corticioid fungus Leucogyrophana pinastri (Hydnomerulius pinastri) under a rotting pine log on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, December 10, 2020
 Wrinkled texture of corticioid fungus Leucogyrophana pinastri (Hydnomerulius pinastri) under a rotting pine log on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, December 10, 2020
 Dog lichen (Peltigera membranacea) at the base of a tree north from Komarovo, 20 miles north-west from Saint Petersburg. Russia, May 22, 2019
 Lecanora(?) lichen on a tree near Kuzmolovo, north from Saint Petersburg. Russia, May 8, 2019
 Merulioid pores of corticioid fungus Leucogyrophana pinastri (Hydnomerulius pinastri) on underside of a rotting pine log on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, December 10, 2020
 Details of pores of corticioid fungus Leucogyrophana pinastri (Hydnomerulius pinastri) on underside of a rotting pine log on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, December 10, 2020
 Close up of dog lichen (Peltigera membranacea) at the base of a tree north from Komarovo, 20 miles north-west from Saint Petersburg. Russia, May 22, 2019
 Reindeer lichen (Cladonia) in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Oakmoss lichen (Evernia prunastri) near Kuzmolovo, north from Saint Petersburg. Russia, May 8, 2019
 Cladonia lichen in Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, May 9, 2019
 Species of reindeer lichen (Cladonia) 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
 Sieve lichen (Cladonia multiformis) 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
 Buellia(?) lichen on a boulder in a forest 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
 Trumpet like lichen Cladonia in moss 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
 Red apothecia of Cladonia lichen in Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, May 9, 2019
 Trumpet like Cladonia lichen in Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, May 9, 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
 Reindeer lichen Cladonia rangiferina in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Lecanora(?) lichen on a fallen aspen tree near Kuzmolovo, north from Saint Petersburg. Russia, May 8, 2019
 Ochrolechia(?) lichen on a fallen aspen tree near Kuzmolovo, north from Saint Petersburg. Russia, May 8, 2019
 Some foliose lichen on a fallen aspen tree near Kuzmolovo, north from Saint Petersburg. Russia, May 8, 2019
 Buellia lichen on a fallen aspen tree near Kuzmolovo, north from Saint Petersburg. Russia, May 8, 2019
 Petiayarvi north from Saint Petersburg, Russia, September 10, 2002
 Petiayarvi north from Saint Petersburg, Russia, September 10, 2002
 Some Cladonia lichen in a pine forest in Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, May 9, 2019
 Iceland moss lichen (Cetraria islandica) in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Net-marked shield lichen (Parmelia sulcata) on a pine(?) near Kuzmolovo, north from Saint Petersburg. Russia, May 8, 2019
 Trumpet like Cladonia lichen in a dry pine forest in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Brown Lecanora(?) lichen on a fallen aspen tree near Kuzmolovo, north from Saint Petersburg. Russia, May 8, 2019
 Orange Lecanora(?) lichen on a fallen aspen tree near Kuzmolovo, north from Saint Petersburg. Russia, May 8, 2019
 Grey folios lichen on a rotting wood post near Orekhovo, north from Saint Petersburg. Russia, May 15, 2019
 Texture of thorn lichen Cladonia uncialis in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Some grey crustose lichen on a stone in Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, May 9, 2019
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