 Close-up of tree fringewort (Ptilidium pulcherrimum) 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
 Close-up of tree fringewort (Ptilidium pulcherrimum) on upper surface of an old conifer stump in Zakhodskoe, 50 miles north from Saint Petersburg. Russia, July 22, 2024
 Upper view of Cladonia lichen and tree fringewort (Ptilidium pulcherrimum) on a conifer stump in Zakhodskoe, 50 miles north from Saint Petersburg. Russia, July 22, 2024
 Cladonia lichen and tree fringewort (Ptilidium pulcherrimum) on a tree stump in Zakhodskoe, 50 miles north from Saint Petersburg. Russia, July 22, 2024
 Tree fringewort (Ptilidium pulcherrimum) on upper surface of an old spruce stump in Zakhodskoe, 50 miles north from Saint Petersburg. Russia, July 22, 2024
 Iceland moss (Cetraria islandica) lichen and tree fringewort (Ptilidium pulcherrimum) on the edge of a stump in Zakhodskoe, 50 miles north from Saint Petersburg. Russia, July 22, 2024
 Tree fringewort (Ptilidium pulcherrimum)(?) on a birch in Zakhodskoe, 50 miles north from Saint Petersburg. Russia, July 10, 2016
 Brown liverwort Tree Fringewort (Ptilidium pulcherrimum) on a rotting wood post near Orekhovo, north from Saint Petersburg. Russia, May 15, 2019
 Green flat moss-like plant tree fringewort (Ptilidium pulcherrimum)(?) spreading on a birch in Zakhodskoe, 50 miles north from Saint Petersburg. Russia, July 10, 2016
 Tree Fringewort (Ptilidium pulcherrimum) with spores on a mossy log in Tarkhovka Park near Sestroretsk, west from Saint Petersburg. Russia, May 13, 2019
 Close up of Tree Fringewort (Ptilidium pulcherrimum) with sporophytes on a mossy log in Tarkhovka Park near Sestroretsk, west from Saint Petersburg. Russia, May 13, 2019
 Spore heads of Tree Fringewort (Ptilidium pulcherrimum) on a mossy log in Tarkhovka Park near Sestroretsk, west from Saint Petersburg. Russia, May 13, 2019
 Green moss 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 another crustose lichen on a conifer log in Petiayarvi, north from Saint Petersburg. Russia, August 3, 2024
 Small oysterling mushrooms Hohenbuehelia on a fallen rowan(?) tree in Petiayarvi, north from Saint Petersburg. Russia, August 3, 2024
 Small yellowish oysterling mushrooms Hohenbuehelia on underside of a wet fallen rowan(?) tree in Petiayarvi, north from Saint Petersburg. Russia, August 3, 2024
 Small white oysterling mushrooms Hohenbuehelia on underside of a wet fallen rowan(?) tree in Petiayarvi, north from Saint Petersburg. Russia, August 3, 2024
 Small white oysterling mushrooms Hohenbuehelia with mold on underside of a wet fallen rowan(?) tree in Petiayarvi, north from Saint Petersburg. Russia, August 3, 2024
 Small slimy white oysterling mushrooms Hohenbuehelia on underside of a wet fallen rowan(?) tree in Petiayarvi, north from Saint Petersburg. Russia, August 3, 2024
 False turkey tail mushrooms (crust fungus, Stereum hirsutum)(?) on a small fallen tree in Petiayarvi, north from Saint Petersburg. Russia, August 3, 2024
 Conifer woodtuft mushrooms (Kuehneromyces lignicola) in Petiayarvi, north from Saint Petersburg. Russia, July 21, 2017
 Group of conifer woodtuft mushrooms (Kuehneromyces lignicola) in Petiayarvi, north from Saint Petersburg. Russia, July 21, 2017
 Conifer mazegill mushrooms (Gloeophyllum sepiarium) in Kuzmolovo, north from Saint Petersburg. Russia, August 9, 2024
 Spores of small white oysterling mushrooms Hohenbuehelia collected earlier 8/3/2024 in Petiayarvi, north from Saint Petersburg, Russia, August 23, 2024
 Dog lichen (Peltigera membranacea(?)) in Petiayarvi, north from Saint Petersburg. Russia, August 3, 2024
 Dam of Volchya River from a camp in Petiayarvi, north from Saint Petersburg. Russia, August 3, 2024
 Cladonia lichen under pines in Petiayarvi, north from Saint Petersburg. Russia, August 3, 2024
 Section of an old dam of Volchya River in Petiayarvi, north from Saint Petersburg. Russia, August 3, 2024
 Waterfall of an old dam of Volchya River in Petiayarvi, north from Saint Petersburg. Russia, August 3, 2024
 Black stones of an old dam of Volchya River in Petiayarvi, north from Saint Petersburg. Russia, August 3, 2024
 Running water of an old dam of Volchya River in Petiayarvi, north from Saint Petersburg. Russia, August 3, 2024
 Rushing water of an old dam of Volchya River in Petiayarvi, north from Saint Petersburg. Russia, August 3, 2024
 Chanterelle mushrooms (Cantharellus cibarius) in Petiayarvi, north from Saint Petersburg. Russia, August 3, 2024
 A trail going uphill in a pine forest in Petiayarvi, north from Saint Petersburg. Russia, August 3, 2024
 A trail from a hill in a pine forest 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
 Pink brittlegill (Russula) mushrooms in Petiayarvi, north from Saint Petersburg. Russia, August 3, 2024
 Spores (in KOH) of small orange webcap mushrooms (Cortinarius)(?) (spore print rusty brown) in sphagnum collected earlier 8/3/2024 in Petiayarvi, north from Saint Petersburg, Russia, August 23, 2024
 Powdered sunshine lichen (Vulpicida pinastri) on a log in Petiayarvi, north from Saint Petersburg. Russia, August 3, 2024
 Woolly tooth mushrooms (Phellodon tomentosus) in Petiayarvi, north from Saint Petersburg. Russia, August 3, 2024
 Pinelitter gingertail mushrooms (Xeromphalina cauticinalis) 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
 Mealy tooth mushroom (Hydnellum ferrugineum) 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
 Common funnel mushrooms (Clitocybe gibba, Infundibulicybe g.) 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
 Feather-like moss on sandy soil near train tracks in Petiayarvi, north from Saint Petersburg. Russia, August 3, 2024
 Spores (in KOH) of saffron webcap mushrooms (Cortinarius croceus) (spore print rusty brown, turns black in KOH) in sphagnum collected earlier 8/3/2024 in Petiayarvi, north from Saint Petersburg, Russia, August 23, 2024
 Close-up of trumpet-shaped lichen Cladonia cervicornis ssp. verticillata(?) in Petiayarvi, north from Saint Petersburg. Russia, August 3, 2024
 Close-up of feather-like moss on sandy soil near train tracks 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
 Mealy tooth mushroom (Hydnellum ferrugineum) with a side view in Petiayarvi, north from Saint Petersburg. Russia, August 3, 2024
 Spores of conifer woodtuft mushrooms (Kuehneromyces lignicola) collected earlier 7/17/2024 in Sosnovka Park, Saint Petersburg, Russia, August 22, 2024
 Smooth rupturewort (Herniaria glabra) on sandy soil near train tracks 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
 Saffron webcap mushrooms (Cortinarius croceus) in a sphagnum swamp near a lake in Petiayarvi, north from Saint Petersburg. Russia, August 3, 2024
 Small orange webcap mushrooms (Cortinarius)(?) in a sphagnum swamp near a lake in Petiayarvi, north from Saint Petersburg. Russia, August 3, 2024
 Circular round patch of yellow map lichen (Rhizocarpon geographicum) on a granite boulder on shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
 Round patch of lichen Cryptothecia striata on a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 19, 2020
 Patch of maritime sunburst lichen (Xanthoria parietina) on a fallen aspen tree near Kuzmolovo, north from Saint Petersburg. Russia, May 8, 2019
 Close-up of Cladonia lichen on upper surface of an old conifer stump in Zakhodskoe, 50 miles north from Saint Petersburg. Russia, July 22, 2024
 Birch mazegill mushroom (Lenzites betulina) from a burned conifer tree near Orekhovo, 40 miles north from Saint Petersburg. Russia, April 27, 2017
 Conifer mazegill fungus (Gloeophyllum sepiarium) near Lembolovo, 40 miles north from Saint Petersburg. Russia, August 27, 2017
 Lebyazhye Lake in Petiayarvi, 50 miles north from Saint Petersburg. Russia, August 31, 2013
 Birch logs in Petiayarvi, 50 miles north from Saint Petersburg. Russia, August 31, 2013
 Fern leaf in Petiayarvi, 50 miles north from Saint Petersburg. Russia, August 31, 2013
 Round patch of Caloplaca aurantia lichen on a stone in desert near industrial zone of Ras Laffan, north from Doha. Qatar, March 23, 2013
 Dog lichen (Peltigera membranacea) on a tree in Kuzmolovo, north from Saint Petersburg. Russia, August 9, 2024
 Boletopsis grisea(?) mushrooms in Petiayarvi, 50 miles north from Saint Petersburg. Russia, August 31, 2013
 A forest on hills west from Petiayarvi, 50 miles north from Saint Petersburg. Russia, August 19, 2001
 Beard lichen (Usnea) fallen from a tree near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024
 Coral mushrooms (Ramaria eumorpha)? in Petiayarvi, 50 miles north from Saint Petersburg. Russia, August 30, 2017
 Flammulaster limulatus mushrooms on a stump in Petiayarvi, 50 miles north from Saint Petersburg. Russia, August 30, 2017
 Dam of Volchya River after heavy rains in Petiayarvi, 50 miles north from Saint Petersburg. Russia, August 30, 2017
 Fruticose lichen Evernia prunastri fallen from a tree near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024
 Resupinate polypore mushroom on a mossy fallen tree in Kuzmolovo, north from Saint Petersburg. Russia, August 9, 2024
 Massive brown webcap (Cortinarius) mushroom in Petiayarvi, 50 miles north from Saint Petersburg. Russia, August 30, 2017
 Shores of a small lake 1 mile west from Petiayarvi, 50 miles north from Saint Petersburg. Russia, August 19, 2001
 Pine bolete mushrooms (Boletus pinophilus) in Petiayarvi, 50 miles north from Saint Petersburg. Russia, August 30, 2017
 Yellow crust fungus (Antrodia xantha) on a log in Petiayarvi, 50 miles north from Saint Petersburg. Russia, August 30, 2017
 Club foot mushrooms (Ampulloclitocybe clavipes) in Petiayarvi, 50 miles north from Saint Petersburg. Russia, August 30, 2017
 Mushrooms Melanoleuca strictipes near a dam of Volchya River in Petiayarvi, 50 miles north from Saint Petersburg. Russia, August 30, 2017
 Jelly tooth fungus (Pseudohydnum gelatinosum) in Petiayarvi, 50 miles north from Saint Petersburg. Russia, August 30, 2017
 Waterfalls of a dam of Volchya River after heavy rains in Petiayarvi, 50 miles north from Saint Petersburg. Russia, August 30, 2017
 Woolly tooth mushrooms (Phellodon tomentosus) in Petiayarvi, 50 miles north from Saint Petersburg. Russia, August 30, 2017
 False chanterelle mushrooms (Hygrophoropsis aurantiaca) in Petiayarvi, 50 miles north from Saint Petersburg. Russia, August 30, 2017
 Falls of a dam of Volchya River after heavy rains in Petiayarvi, 50 miles north from Saint Petersburg. Russia, August 30, 2017
 Jelly tooth mushrooms (Pseudohydnum gelatinosum) in Petiayarvi, 50 miles north from Saint Petersburg. Russia, August 30, 2017
 Tacked milkcap mushrooms (Lactarius trivialis) in Petiayarvi, 50 miles north from Saint Petersburg. Russia, August 30, 2017
 Fruits of Lily-of-the-valley (Convallaria majalis) in Petiayarvi, 50 miles north from Saint Petersburg. Russia, August 31, 2013
 Round fountain of Bienkovsky Mansion in Zakhodskoe, 50 miles north from Saint Petersburg. Leningrad Region, Russia, August 7, 2016
 Coral slime mold (Ceratiomyxa fruticulosa var. porioides) in Petiayarvi, 50 miles north from Saint Petersburg. Russia, August 30, 2017
 Common eyelash fungus (Scutellinia scutellata) on a stump in Petiayarvi, 50 miles north from Saint Petersburg. Russia, August 30, 2017
 Tiger s eye mushrooms (Coltricia perennis) on a site of campfire in Petiayarvi, 50 miles north from Saint Petersburg. Russia, August 30, 2017
 Falling water of a dam of Volchya River after heavy rains in Petiayarvi, 50 miles north from Saint Petersburg. Russia, August 30, 2017
 Pine bolete mushroom (Boletus pinophilus) with lichen in Petiayarvi, 50 miles north from Saint Petersburg. Russia, August 30, 2017
 Woolly tooth mushrooms (Phellodon tomentosus) in moss in Petiayarvi, 50 miles north from Saint Petersburg. Russia, August 30, 2017
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