 Rotten trunk of a birch tree filled by roots near Lisiy Nos, west from Saint Petersburg. Russia, February 18, 2017
 Birch tree trunk filled with roots in Blizhnie Dubki area near Lisiy Nos, west from Saint Petersburg. Russia, September 26, 2017
 Fungus (mushrooms) Phellinus laevigatus on a birch tree near Lisiy Nos, south from Saint Petersburg. Russia, February 18, 2017
 Spreading fungus (mushrooms) Phellinus laevigatus on a birch tree near Lisiy Nos, south from Saint Petersburg. Russia, February 18, 2017
 Crust of fungus (mushrooms) Phellinus laevigatus on a birch tree near Lisiy Nos, south from Saint Petersburg. Russia, February 18, 2017
 Thin crust of fungus (mushrooms) Phellinus laevigatus on a birch tree near Lisiy Nos, south from Saint Petersburg. Russia, February 18, 2017
 Texture of crust of fungus (mushrooms) Phellinus laevigatus on a birch tree near Lisiy Nos, south from Saint Petersburg. Russia, February 18, 2017
 Multiple gnarls on a birch trunk near Lisiy Nos, west from Saint Petersburg. Russia, March 3, 2017
 Rotten oak tree near Lisiy Nos, south from Saint Petersburg. Russia, February 18, 2017
 Some grey fungus on a trunk of oak tree around a branch near Lisiy Nos, west from Saint Petersburg. Russia, March 3, 2017
 Cracked bark of an old oak tree near Lisiy Nos, south from Saint Petersburg. Russia, February 18, 2017
 White rot fungus Schizopora paradoxa on a tree trunk near Lisiy Nos, west from Saint Petersburg. Russia, March 3, 2017
 Red-Belt Conk (polypore mushrooms Fomitopsis pinicola) on a birch near Lisiy Nos, south from Saint Petersburg. Russia, February 18, 2017
 Willow bracket fungus (Phellinus igniarius mushrooms) on a birch near Lisiy Nos, south from Saint Petersburg. Russia, February 18, 2017
 Purple toothed polypore mushrooms (Trichaptum biforme) on a birch log near Lisiy Nos, south from Saint Petersburg. Russia, February 18, 2017
 Some mold-like fungus on a tree north-west from Verperlud Island near Lisiy Nos, south from Saint Petersburg. Russia, February 18, 2017
 Texture of mold-like fungus on a tree north-west from Verperlud Island near Lisiy Nos, south from Saint Petersburg. Russia, February 18, 2017
 Mold-like fungus Mutatoderma mutatum(?) on a tree north-west from Verperlud Island near Lisiy Nos, south from Saint Petersburg. Russia, February 18, 2017
 Crust formed by fungus (mushroom) Stereum rugosum(?) on a fallen tree north-west from Verperlud Island near Lisiy Nos, south from Saint Petersburg. Russia, February 18, 2017
 Birch woodwart (Jackrogersella multiformis) on a fallen tree near Lisiy Nos, south from Saint Petersburg. Russia, August 17, 2018
 Young elm oyster mushrooms (Hypsizygus ulmarius) on a trunk of elm tree in Lisiy Nos, west from Saint Petersburg. Russia, September 12, 2016
 Huge hollow rotten oak near Lisiy Nos, south from Saint Petersburg. Russia, February 18, 2017
 Rotten log in snow near Blizhnie Dubki near Lisiy Nos, south from Saint Petersburg. Russia, February 18, 2017
 Crust fungus (Stereum rugosum(?)) on a log near Lisiy Nos, south from Saint Petersburg. Russia, February 18, 2017
 Sidera lenis (Skeletocutis lenis) fungus (mushroom) covering a trunk of a broken pine tree in Sosnovka Park. Saint Petersburg, Russia, February 27, 2017
 Cluster of willow bracket mushrooms (Phellinus igniarius) on a birch near Lisiy Nos, west from Saint Petersburg. Russia, February 18, 2017
 Ceramic parchment fungus (Xylobolus frustulatus) on a rotten oak near Lisiy Nos, south from Saint Petersburg. Russia, February 18, 2017
 Bleeding oak crust mushrooms (Stereum gausapatum) on an oak stump near Lisiy Nos, south from Saint Petersburg. Russia, February 18, 2017
 Rusty boat or may be a car north-west from Verperlud Island near Lisiy Nos, south from Saint Petersburg. Russia, February 18, 2017
 Dense white cover of Sidera lenis (Skeletocutis lenis) poroid fungus (mushroom) on a broken trunk of a pine tree in Sosnovka Park. Saint Petersburg, Russia, February 27, 2017
 Willow bracket mushrooms (Phellinus igniarius) forming a ring around a cut branch on a birch near Lisiy Nos, west from Saint Petersburg. Russia, February 18, 2017
 Texture of wrinkled crust fungus (Phlebia radiata mushroom) near Lisiy Nos, south from Saint Petersburg. Russia, February 18, 2017
 Robust bracket mushrooms (Fomitiporia robusta, Phellinus robustus) on an oak near Lisiy Nos, south from Saint Petersburg. Russia, February 18, 2017
 Texture of ceramic parchment mushrooms (Xylobolus frustulatus) on a rotten oak near Lisiy Nos, south from Saint Petersburg. Russia, February 18, 2017
 Tiny ceramic parchment fungus (Xylobolus frustulatus mushrooms) on a log of an oak tree near Lisiy Nos, west from Saint Petersburg. Russia, February 18, 2017
 Orange patch of wrinkled crust fungus (Phlebia radiata mushroom) near Lisiy Nos, south from Saint Petersburg. Russia, February 18, 2017
 Wrinkled crust fungus (Phlebia radiata mushroom) emerging behind bark near Lisiy Nos, south from Saint Petersburg. Russia, February 18, 2017
 Large robust bracket mushroom (Fomitiporia robusta, Phellinus robustus) on an oak near Lisiy Nos, south from Saint Petersburg. Russia, February 18, 2017
 Ceramic parchment fungus (Xylobolus frustulatus mushrooms) on a branch of a rotten oak near Lisiy Nos, south from Saint Petersburg. Russia, February 18, 2017
 Cluster of robust bracket mushrooms (Fomitiporia robusta, Phellinus robustus) on an oak near Lisiy Nos, south from Saint Petersburg. Russia, February 18, 2017
 Honey mushrooms Armillaria borealis(?) on a trunk of spruce tree. Oselki, south from Saint Petersburg, Russia, August 29, 2016
 Artist s conk mushrooms (Ganoderma applanatum) north-west from Verperlud Island near Lisiy Nos, south from Saint Petersburg. Russia, February 18, 2017
 Big Smoky Bracket (Bjerkandera fumosa) polypore mushrooms on a dry place near Blizhnie Dubki near Lisiy Nos, south from Saint Petersburg. Russia, February 18, 2017
 Malformed white birch bolete mushroom (bog bolete, Leccinum holopus) with a swollen stem damaged by gall-forming fungus near Kavgolovskoe Lake south from Oselki, 8 miles north from Saint Petersburg. Russia, September 23, 2015
 Robust bracket mushrooms (Fomitiporia robusta, Phellinus robustus) growing from a place of a cut branch of an oak near Lisiy Nos, south from Saint Petersburg. Russia, February 18, 2017
 Wrinkled crust fungus (Phlebia radiata mushroom) north-west from Verperlud Island near Lisiy Nos, south from Saint Petersburg. Russia, February 18, 2017
 Mossy tree trunk in Pavlovsky Park. Pavlovsk, a suburb of Saint Petersburg, Russia, February 5, 2013
 Texture of wrinkled crust fungus (Phlebia radiata mushroom) north-west from Verperlud Island near Lisiy Nos, south from Saint Petersburg. Russia, February 18, 2017
 Rotten polypore mushroom on a birch tree west from Dibuny - Pesochny area near Saint Petersburg. Russia, February 4, 2017
 Willow bracket fungus (Phellinus igniarius mushrooms) on a birch tree in Yuntolovsky Park. Saint Petersburg, Russia, February 23, 2017
 Iron wire grown inside a birch tree west from Dibuny - Pesochny area near Saint Petersburg. Russia, February 4, 2017
 Cinnamon texture of Chaga mushroom (Inonotus obliquus) taken from a birch tree in Yuntolovsky Park. Saint Petersburg, Russia, February 23, 2017
 Birch woodwart (Jackrogersella multiformis) near Lisiy Nos, south from Saint Petersburg. Russia, August 17, 2018
 Yellowish corticioid mushroom on a trunk of a dry alder(?) tree in area of an old brick factory between Pesochnaya and Dibuny north-west from Saint Petersburg. Russia, March 26, 2017
 Reishi mushroom (Ganoderma lucidum) on a fallen birch near Lisiy Nos, south from Saint Petersburg. Russia, August 17, 2018
 Stereum mushrooms on a fallen tree near Lisiy Nos, south from Saint Petersburg. Russia, August 17, 2018
 Cap of shield mushroom (Pluteus) on a fallen tree near Lisiy Nos, south from Saint Petersburg. Russia, August 17, 2018
 Green alga Trentepohlia umbrina with orange carotenoid pigments and moss on a birch tree west from Dibuny - Pesochny area near Saint Petersburg. Russia, February 4, 2017
 Polypore mushroom Diplomitoporus flavescens on a trunk of a small pine in swampy area of Sosnovka Park. Saint Petersburg, Russia, February 14, 2017
 Polypore mushrooms Porodaedalea laricis on a trunk of European larch tree (Larix decidua var. pendulina) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 2, 2017
 Elf caps mushrooms (Mycena inclinata) on a trunk of old dry oak in Lisiy Nos, west from Saint Petersburg. Russia, September 12, 2016
 Gills of shield mushroom (Pluteus) on a fallen tree near Lisiy Nos, south from Saint Petersburg. Russia, August 17, 2018
 Black mushrooms Biscogniauxia repanda on a fallen oak(?) tree near Lisiy Nos, south from Saint Petersburg. Russia, August 17, 2018
 Tiny mushrooms Lasiosphaeria ovina on a fallen tree near Lisiy Nos, south from Saint Petersburg. Russia, August 17, 2018
 Mosses and lichens on a tree near Lisiy Nos, west from Saint Petersburg. Russia, March 3, 2017
 Large malformed orange birch bolete mushrooms (Leccinum versipelle) found near a swamp near Orekhovo, 45 miles north from Saint Petersburg. Russia, August 30, 2018
 Grey mold-like fungus on a tree near Lisiy Nos, west from Saint Petersburg. Russia, March 3, 2017
 Whitish crust of a fungus on a tree near Lisiy Nos, west from Saint Petersburg. Russia, March 3, 2017
 Old oak tree in Blizhnie Dubki area near Lisiy Nos, west from Saint Petersburg. Russia, September 26, 2017
 Bunch of elf caps mushrooms (Mycena inclinata) on a trunk of old dead oak in Lisiy Nos, west from Saint Petersburg. Russia, September 12, 2016
 False tinder conk mushrooms (Phellinus igniarius) on a birch log near Lisiy Nos, west from Saint Petersburg. Russia, March 3, 2017
 Birch knight mushrooms (Tricholoma fulvum) in area of Lisiy Nos - Olgino west from Saint Petersburg. Russia, September 21, 2017
 Birch and spruce trees in a forest along the gulf in area of Lisiy Nos - Morskaya, west from Saint Petersburg. Russia, September 26, 2017
 Red-Belt Conk (polypore mushrooms Fomitopsis pinicola) on a birch near Lisiy Nos, west from Saint Petersburg. Russia, March 16, 2017
 Common bonnet mushrooms (Mycena galericulata) on a burned tree stump near Lisiy Nos, south from Saint Petersburg. Russia, September 3, 2016
 White rot fungus Schizopora paradoxa on a tree near Lisiy Nos, west from Saint Petersburg. Russia, March 3, 2017
 Grey mold-like fungus on a tree bark near Lisiy Nos, west from Saint Petersburg. Russia, March 3, 2017
 Fallen tree in Blizhnie Dubki area near Lisiy Nos, west from Saint Petersburg. Russia, September 26, 2017
 Whitish cracked crust of a fungus on a tree near Lisiy Nos, west from Saint Petersburg. Russia, March 3, 2017
 Birch knight mushrooms (Tricholoma fulvum)(?) in Blizhnie Dubki area near Lisiy Nos, west from Saint Petersburg. Russia, September 11, 2017
 Small brown mushrooms Flammulaster limulatus(?) on a mossy birch log in a pile near Lisiy Nos, west from Saint Petersburg. Russia, July 27, 2017
 Birch knight mushrooms (Tricholoma fulvum) on roadside in area of Lisiy Nos - Olgino west from Saint Petersburg. Russia, September 21, 2017
 Large whitelaced shank mushroom (Megacollybia platyphylla)(?) on a rotten birch near Lisiy Nos, west from Saint Petersburg. Russia, July 18, 2017
 Jackrogersella multiformis (Annulohypoxylon multiforme) fungus (family Xylariaceae) on a birch near Lisiy Nos, west from Saint Petersburg. Russia, March 16, 2017
 Twig parachute mushrooms (Marasmiellus ramealis) on a tree near Lisiy Nos. West from Saint Petersburg, Russia, August 23, 2017
 Crust fungus Peniophora polygonia on a tree branch near Lisiy Nos, west from Saint Petersburg. Russia, April 24, 2017
 Rosy crust mushrooms (Peniophora incarnata) on a tree near Lisiy Nos, west from Saint Petersburg. Russia, March 3, 2017
 Corticioid fungus Cylindrobasidium evolvens(?) on a tree stump near Lisiy Nos, west from Saint Petersburg. Russia, April 24, 2017
 Ochre bracket mushrooms (Trametes ochracea) on a birch log in area of Blizhnie Dubki near Lisiy Nos, west from Saint Petersburg. Russia, April 24, 2017
 Lemon discos mushrooms (yellow fairy cups, Bisporella citrina) on a tree branch near Lisiy Nos, south from Saint Petersburg. Russia, September 3, 2016
 Ring-like growth of thin white arachnoid corticioid fungus (mushroom) Athelia arachnoidea(?) killing lichens on a trunk of a maple in Sosnovka Park. Saint Petersburg, Russia, February 3, 2017
 Mushroom Peniophora polygonia on a tree branch taken form area near Lisiy Nos, west from Saint Petersburg. Russia, April 24, 2017
 Close up of crust fungus Peniophora polygonia on a tree branch near Lisiy Nos, west from Saint Petersburg. Russia, April 24, 2017
 Hyphae of some fungus on a rotten tree in area of Blizhnie Dubki near Lisiy Nos, west from Saint Petersburg. Russia, April 24, 2017
 Rosy crust mushrooms (Peniophora incarnata) on a cut surface of a tree near Lisiy Nos, west from Saint Petersburg. Russia, April 24, 2017
 Brown rot fungus Coniophora puteana(?) on a broken spruce tree near Lisiy Nos, west from Saint Petersburg. Russia, April 24, 2017
 Crust of some fungus on a rotten tree in area of Blizhnie Dubki near Lisiy Nos, west from Saint Petersburg. Russia, April 24, 2017
 Poroid mushrooms Phellinidium ferrugineofuscum on a bark of a dry spruce tree near Lisiy Nos. West from Saint Petersburg, Russia, August 23, 2017
 Corticioid mushrooms Phellinidium ferrugineofuscum on a bark of a dry spruce tree near Lisiy Nos. West from Saint Petersburg, Russia, August 23, 2017
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