 Pine alley in Sosnovka Park. Saint Petersburg, Russia, April 22, 2017
 Pine alley in Sosnovka Park. Saint Petersburg, Russia, April 13, 2017
 Pine alley at snowfall in Sosnovka Park. Saint Petersburg, Russia, April 22, 2017
 Pine alley with snow in Sosnovka Park. Saint Petersburg, Russia, March 28, 2017
 Alley at snowfall in Sosnovka Park. Saint Petersburg, Russia, April 22, 2017
 Birch alley in Sosnovka Park. Saint Petersburg, Russia, April 22, 2017
 Alley with snow in Sosnovka Park. Saint Petersburg, Russia, April 22, 2017
 Birch alley in Sosnovka Park. Saint Petersburg, Russia, April 16, 2017
 Alley with snow in Sosnovka Park. Saint Petersburg, Russia, April 13, 2017
 Birch alley with snow in Sosnovka Park. Saint Petersburg, Russia, April 22, 2017
 Pine forest in Sosnovka Park. Saint Petersburg, Russia, April 22, 2017
 Pine forest at snowfall in Sosnovka Park. Saint Petersburg, Russia, April 22, 2017
 Pine alley of Sosnovka Park. Saint Petersburg, Russia, May 29, 2014
 Pine alley in Sosnovka Park. Saint Petersburg, Russia, May 10, 2016
 Larch and pine trees at snowfall in Sosnovka Park. Saint Petersburg, Russia, April 22, 2017
 Some poroid mushroom on a fallen pine in Sosnovka Park. Saint Petersburg, Russia, April 4, 2017
 Pine alley in Sosnovka Park. Saint Petersburg, Russia, November 8, 2016
 Pine alley in Sosnovka Park in fog. Saint Petersburg, Russia, June 26, 2010
 Pine alley in Sosnovka Park. Saint Petersburg, Russia, February 7, 2013
 Pine alley in Sosnovka Park. Saint Petersburg, Russia, December 31, 2014
 Hyphae of mycelium of some fungus on a fallen pine in Sosnovka Park. Saint Petersburg, Russia, April 4, 2017
 Pine alley in snow in Sosnovka Park. Saint Petersburg, Russia, November 10, 2016
 Pine alley in Sosnovka Park in mist. Saint Petersburg, Russia, June 26, 2010
 Pine alley in snow in Sosnovka Park. Saint Petersburg, Russia, November 8, 2016
 Pine alley in mist in Sosnovka Park. Saint Petersburg, Russia, November 10, 2016
 Crust of fungus Trichaptum fuscoviolaceum on a fallen pine in Sosnovka Park. Saint Petersburg, Russia, April 4, 2017
 Corticioid form of mushroom Trichaptum abietinum on a fallen pine in Sosnovka Park. Saint Petersburg, Russia, April 4, 2017
 Poroid fungus (mushroom) Trichaptum fuscoviolaceum on a small dry pine in Sosnovka Park. Saint Petersburg, Russia, April 4, 2017
 Mushroom Trichaptum fuscoviolaceum with algae on a fallen pine tree in Sosnovka Park. Saint Petersburg, Russia, April 4, 2017
 Corticioid form of mushroom Trichaptum fuscoviolaceum on a fallen pine in Sosnovka Park. Saint Petersburg, Russia, April 4, 2017
 Polypore mushroom Diplomitoporus flavescens on a small pine tree in Sosnovka Park. Saint Petersburg, Russia, April 4, 2017
 An alley in Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Corticioid mushroom Antrodia xantha on a pine tree in swampy area of Sosnovka Park. Saint Petersburg, Russia, April 8, 2017
 Pores of corticioid form of mushroom Trichaptum abietinum on a fallen pine in Sosnovka Park. Saint Petersburg, Russia, April 4, 2017
 Crust of corticioid form of mushroom Trichaptum abietinum on a fallen pine in Sosnovka Park. Saint Petersburg, Russia, April 4, 2017
 Poroid fungus (mushroom) Diplomitoporus flavescens on a small pine tree in Sosnovka Park. Saint Petersburg, Russia, April 4, 2017
 Corticioid form of mushroom Trichaptum fuscoviolaceum growing on bark of pine in Sosnovka Park. Saint Petersburg, Russia, April 4, 2017
 Pattern of corticioid form of mushroom Trichaptum fuscoviolaceum on a fallen pine in Sosnovka Park. Saint Petersburg, Russia, April 4, 2017
 Crust of corticioid form of mushroom Trichaptum fuscoviolaceum on a fallen pine in Sosnovka Park. Saint Petersburg, Russia, April 4, 2017
 Texture of corticioid form of mushroom Trichaptum fuscoviolaceum on a fallen pine in Sosnovka Park. Saint Petersburg, Russia, April 4, 2017
 Pores of corticioid form of mushroom Trichaptum abietinum on a fallen pine in Sosnovka Park. Saint Petersburg, Russia, April 4, 2017
 Crust of corticioid form of mushroom Trichaptum abietinum on a fallen pine in Sosnovka Park. Saint Petersburg, Russia, April 4, 2017
 Corticioid form of mushroom Trichaptum abietinum with algae on a fallen pine in Sosnovka Park. Saint Petersburg, Russia, April 4, 2017
 Polypore mushrooms Diplomitoporus flavescens on a small pine in swampy area of Sosnovka Park. Saint Petersburg, Russia, April 8, 2017
 Birch alley in Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Alley in Sosnovka Park in mist. Saint Petersburg, Russia, September 18, 2017
 Alley in a forest in Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Autumn alley in Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Birch alley in Sosnovka Park. Saint Petersburg, Russia, October 3, 2017
 Maple alley in Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Pine tree alley in Sosnovka Park ending at Tikhoretsky Prospect. Saint Petersburg, Russia, June 11, 2009
 Polypore mushroom Diplomitoporus flavescens on a trunk of a small pine in swampy area of Sosnovka Park. Saint Petersburg, Russia, April 8, 2017
 Close up of corticioid mushroom Antrodia xantha on a pine tree in swampy area of Sosnovka Park. Saint Petersburg, Russia, April 8, 2017
 Alley with yellow leaves in Sosnovka Park. Saint Petersburg, Russia, October 3, 2017
 Alley behind a shooting range in Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Elastic oysterling mushrooms (Panellus mitis) taken from a small pine tree in swampy area of Sosnovka Park. Saint Petersburg, Russia, April 8, 2017
 Birch alley in north area in Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Fall colors of birch alley in Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 A birch alley in Sosnovka Park. Saint Petersburg, Russia, April 10, 1999.
 Elastic oysterling mushrooms (Panellus mitis) collected from a small pine tree in swampy area of Sosnovka Park. Saint Petersburg, Russia, April 8, 2017
 Gloeoporus taxicola (Meruliopsis taxicola) fungus on a fallen pine in Sosnovka Park. Saint Petersburg, Russia, April 4, 2017
 A narrow birch alley in Sosnovka Park. Saint Petersburg, Russia, April 10, 1999.
 Crust of Gloeoporus taxicola (Meruliopsis taxicola) fungus on a fallen pine in Sosnovka Park. Saint Petersburg, Russia, April 4, 2017
 Fall colors of birch alley in north area in Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Slime mold Physarum virescens on pine needles on the ground in pine forest in Sosnovka Park. Saint Petersburg, Russia, August 4, 2017
 A narrow birch alley over a marshy forest in Sosnovka Park. Saint Petersburg, Russia, April 11, 1999.
 Pine-cone mushroom (Strobilurus stephanocystis) in Sosnovka Park. Saint Petersburg, Russia, May 11, 2017
 Pine-cone mushroom (Strobilurus stephanocystis) in Sosnovka Park. Saint Petersburg, Russia, May 20, 2017
 Pine bracket fungus (Porodaedalea pini) in Sosnovka Park. Saint Petersburg, Russia, July 16, 2017
 Close up of a cap of pine-cone mushroom (Strobilurus stephanocystis) in Sosnovka Park. Saint Petersburg, Russia, May 11, 2017
 Birch alley in Yuntolovsky Park. Saint Petersburg, Russia, April 9, 2017
 Pine-cone mushrooms (Strobilurus stephanocystis) in area of former swamp in Sosnovka Park. Saint Petersburg, Russia, May 11, 2017
 Yellow mushroom Ditiola peziziformis(?) on a pine tree in Sosnovka Park. Saint Petersburg, Russia, March 15, 2017
 Pine-cone mushrooms (Strobilurus stephanocystis) from area of former swamp in Sosnovka Park. Saint Petersburg, Russia, May 11, 2017
 Poroid mushroom Antrodia ramentacea on a big fallen pine in Sosnovka Park. Saint Petersburg, Russia, August 14, 2017
 White rot fungus Phlebiopsis gigantea(?) on pine tree in Sosnovka Park. Saint Petersburg, Russia, March 13, 2017
 Some white poroid fungus on rotten pine stump in Sosnovka Park. Saint Petersburg, Russia, September 2, 2017
 Slime mold Physarum virescens on pine needles in Sosnovka Park. Saint Petersburg, Russia, August 4, 2017
 Pine-cone mushrooms Strobilurus stephanocystis on wood chips in Sosnovka Park. Saint Petersburg, Russia, May 27, 2017
 Poroid mushroom Antrodia ramentacea on a fallen pine in Sosnovka Park. Saint Petersburg, Russia, August 14, 2017
 Slime mold Physarum virescens on pine litter in Sosnovka Park. Saint Petersburg, Russia, August 4, 2017
 Slime mold Reticularia lycoperdon on a pine tree in Sosnovka Park. Saint Petersburg, Russia, July 2, 2017
 Oak alley of Dubki Park in Sestroretsk, west from Saint Petersburg. Russia, April 11, 2017
 Blackedged shield mushrooms (Pluteus atromarginatus) cut from a pine tree in Sosnovka Park. Saint Petersburg, Russia, August 21, 2017
 Close up of slime mold Physarum virescens on pine needles in Sosnovka Park. Saint Petersburg, Russia, August 4, 2017
 Dissected slime mold Reticularia lycoperdon on a pine tree in Sosnovka Park. Saint Petersburg, Russia, July 2, 2017
 Blackedged shield mushrooms (Pluteus atromarginatus) on a pine tree in Sosnovka Park. Saint Petersburg, Russia, August 21, 2017
 Poroid mushroom Antrodia ramentacea on a fallen barkless pine in Sosnovka Park. Saint Petersburg, Russia, August 14, 2017
 Slime mold Physarum virescens on moss and pine needles in Sosnovka Park. Saint Petersburg, Russia, August 4, 2017
 Close up of pine-cone mushrooms (Strobilurus stephanocystis) from area of former swamp in Sosnovka Park. Saint Petersburg, Russia, May 11, 2017
 Birch alley near Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, April 10, 2017
 Golden corticioid fungus Amylocorticium subincarnatum on a rotten pine stump in Sosnovka Park. Saint Petersburg, Russia, August 14, 2017
 Snowfall in Sosnovka Park. Saint Petersburg, Russia, April 13, 2017
 Snowfall in Sosnovka Park. Saint Petersburg, Russia, April 22, 2017
 Polypore mushroom Diplomitoporus flavescens on a trunk of a small pine in swampy area of Sosnovka Park. Saint Petersburg, Russia, February 14, 2017
 Texture of golden corticioid fungus Amylocorticium subincarnatum on a rotten pine stump in Sosnovka Park. Saint Petersburg, Russia, August 14, 2017
 Brown witch s butter mushroom (jelly fungus, Exidia saccharina) on a pine in Sosnovka Park. Saint Petersburg, Russia, March 15, 2017
 Close up of golden corticioid fungus Amylocorticium subincarnatum on a rotten pine stump in Sosnovka Park. Saint Petersburg, Russia, August 14, 2017
 Pines at snowfall in Sosnovka Park. Saint Petersburg, Russia, April 22, 2017
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