 Tar rot fungus (Rhytisma acerinum) on last year maple leaves in Sosnovka Park. Saint Petersburg, Russia, March 23, 2017
 Tar rot fungus on fallen maple leaves, Rhytisma acerinum mushroom, in Sosnovka Park. Saint Petersburg, Russia, October 31, 2016
 Tar rot fungus (Rhytisma acerinum) on a maple leaf taken from Sosnovka Park. Saint Petersburg, Russia, March 23, 2017
 Sycamore tarspot fungus (Rhytisma acerinum) on fallen maple leaves in a forest along the gulf in area of Lisiy Nos - Morskaya, west from Saint Petersburg. Russia, September 26, 2017
 Tar rot on maple leaves (Rhytisma acerinum) in Sosnovka Park. Saint Petersburg, Russia, October 8, 2016
 Sycamore tarspot fungus (Rhytisma acerinum) in a forest along the gulf in area of Lisiy Nos - Morskaya, west from Saint Petersburg. Russia, September 26, 2017
 Fungus (mushroom) Cylindrobasidium evolvens growing on fallen birch leaves taken from peat area in Sosnovka Park. Saint Petersburg, Russia, March 23, 2017
 Fungus (mushroom) Cylindrobasidium evolvens growing on fallen birch leaves on peat in swampy area of Sosnovka Park. Saint Petersburg, Russia, March 23, 2017
 Maple leaves in Sosnovka Park. Saint Petersburg, Russia, October 8, 2016
 Frozen maple leaves in Sosnovka Park. Saint Petersburg, Russia, October 31, 2016
 Yellow maple leaves in Sosnovka Park. Saint Petersburg, Russia, October 20, 2016
 Prostrate form of purple toothed polypore fungus (Trichaptum biforme) on a fallen birch in Sosnovka Park. Saint Petersburg, Russia, March 20, 2017
 Birch alley with maple leaves in Sosnovka Park. Saint Petersburg, Russia, October 20, 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
 Maple alley in Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Maple trees in Sosnovka Park. Saint Petersburg, Russia, October 3, 2017
 Maple trees near a memorial in Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Birch and maple trees in Sosnovka Park. Saint Petersburg, Russia, October 3, 2017
 Fungus Hypomyces armeniacus on rotting leaves in Sosnovka Park. Saint Petersburg, Russia, August 14, 2017
 Fungus Hypomyces armeniacus on rotting leaves on the ground in Sosnovka Park. Saint Petersburg, Russia, August 14, 2017
 Rust fungus Puccinia urticata on leaves of common (stinging) nettle in Sosnovka Park. Saint Petersburg, Russia, May 27, 2017
 Hyphae of mycelium of some fungus on a fallen pine in Sosnovka Park. Saint Petersburg, Russia, April 4, 2017
 Crust of fungus Trichaptum fuscoviolaceum on a fallen pine in Sosnovka Park. Saint Petersburg, Russia, April 4, 2017
 Snowy waxcap mushrooms (Cuphophyllus virgineus) under maple trees in Sosnovka Park. Saint Petersburg, Russia, September 16, 2017
 Old purple toothed polypore mushrooms (Trichaptum biforme) with algae and tiny black Fairy Pins fungus (polypore club lichen, Phaeocalicium polyporaeum) on its surface on a fallen birch in Sosnovka Park. Saint Petersburg, Russia, March 20, 2017
 Corticioid fungus on birch tree in Sosnovka Park. Saint Petersburg, Russia, March 23, 2017
 Golden jelly fungus (Tremella mesenterica)(?) in Sosnovka Park. Saint Petersburg, Russia, March 13, 2017
 Young mossy maple polypore mushrooms (Oxyporus populinus)(?) in a hollow of small willow stump in Sosnovka Park. Saint Petersburg, Russia, April 4, 2017
 Gloeoporus taxicola (Meruliopsis taxicola) fungus on a fallen pine in Sosnovka Park. Saint Petersburg, Russia, April 4, 2017
 White rot fungus Phlebiopsis gigantea(?) on pine tree in Sosnovka Park. Saint Petersburg, Russia, March 13, 2017
 Witches butter jelly fungus Exidia nigricans in Sosnovka Park. Saint Petersburg, Russia, March 15, 2017
 Silver leaf fungus (Chondrostereum purpureum mushrooms) in Sosnovka Park. Saint Petersburg, Russia, March 13, 2017
 Young leaves of maple in Lomonosov (Oranienbaum). West from Saint Petersburg, Russia, May 23, 2017
 Crust of Gloeoporus taxicola (Meruliopsis taxicola) fungus on a fallen pine in Sosnovka Park. Saint Petersburg, Russia, April 4, 2017
 Fomitiporia punctata corticioid fungus (Phellinus punctatus mushroom) in Sosnovka Park. Saint Petersburg, Russia, March 20, 2017
 Tinder conk mushroom (polypore fungus Fomes fomentarius) in Sosnovka Park. Saint Petersburg, Russia, March 20, 2017
 Big jelly rot fungus (Phlebia tremellosa, Merulius tremellosus) on a birch tree in Sosnovka Park. Saint Petersburg, Russia, March 13, 2017
 Fomitiporia punctata corticioid fungus (Phellinus punctatus mushroom) on willow in Sosnovka Park. Saint Petersburg, Russia, March 13, 2017
 Texture of Fomitiporia punctata corticioid fungus (Phellinus punctatus mushroom) in Sosnovka Park. Saint Petersburg, Russia, March 20, 2017
 Tinder conk mushroom (polypore fungus Fomes fomentarius) on a birch in Sosnovka Park. Saint Petersburg, Russia, March 20, 2017
 Jelly rot fungus (Phlebia tremellosa, Merulius tremellosus) on a birch tree in Sosnovka Park. Saint Petersburg, Russia, March 13, 2017
 Old jelly rot fungus (Phlebia tremellosa, Merulius tremellosus) on a birch tree in Sosnovka Park. Saint Petersburg, Russia, March 13, 2017
 Texture of crust fungus Fomitiporia punctata (Phellinus punctatus mushroom) in Sosnovka Park. Saint Petersburg, Russia, March 13, 2017
 Ochre cushion fungus (Trichoderma pulvinatum) on a birch polypore mushroom in Sosnovka Park. Saint Petersburg, Russia, March 27, 2017
 Spirea bush with fallen maple leaves in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, October 26, 2016
 Young leaves of a maple(?) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 6, 2017
 Fallen maple flowers in Lisiy Nos, west from Saint Petersburg. Russia, June 1, 2017
 Brown witch s butter mushroom (jelly fungus, Exidia saccharina) on a pine in Sosnovka Park. Saint Petersburg, Russia, March 15, 2017
 Caps of jelly rot fungus (Phlebia tremellosa, Merulius tremellosus) on a birch tree in Sosnovka Park. Saint Petersburg, Russia, March 13, 2017
 Corticioid mushroom Trechispora mollusca on the lower surface of true conk fungus in Sosnovka Park. Saint Petersburg, Russia, March 20, 2017
 Jelly rot fungus (Phlebia tremellosa, Merulius tremellosus) with snow on a birch tree in Sosnovka Park. Saint Petersburg, Russia, March 13, 2017
 Birch polypore mushroom with a mold like ochre cushion fungus (Trichoderma pulvinatum) in Sosnovka Park. Saint Petersburg, Russia, March 27, 2017
 Young leaves of maple in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 5, 2017
 Rusty leaves of maple damaged by fungus in Novodevichye Cemetery at Moskovskiy Prospekt. Saint Petersburg, Russia, September 22, 2015
 Fallen maple flowers on a road in Lisiy Nos, west from Saint Petersburg. Russia, June 1, 2017
 Fomitiporia punctata corticioid fungus (Phellinus punctatus mushroom) with insect eggs on willow in Sosnovka Park. Saint Petersburg, Russia, March 13, 2017
 Drying brown witch s butter mushroom (jelly fungus, Exidia saccharina) on a pine in Sosnovka Park. Saint Petersburg, Russia, March 15, 2017
 Prostrate form of purple toothed polypore fungus (Trichaptum biforme) covering a birch log in Sosnovka Park. Saint Petersburg, Russia, March 20, 2017
 Some young leaves in Sosnovka Park. Saint Petersburg, Russia, May 20, 2017
 Corticioid mushroom Amyloporia sinuosa (Antrodia sinuosa) on a fallen pine tree in Sosnovka Park. Saint Petersburg, Russia, March 27, 2017
 Pattern of a corticioid mushroom Amyloporia sinuosa (Antrodia sinuosa) on a fallen pine tree in Sosnovka Park. Saint Petersburg, Russia, March 27, 2017
 Resupinate basidiocarps of mushroom Amyloporia sinuosa (Antrodia sinuosa) on a fallen pine tree in Sosnovka Park. Saint Petersburg, Russia, March 27, 2017
 Texture of corticioid mushroom Amyloporia sinuosa (Antrodia sinuosa) on a fallen pine tree in Sosnovka Park. Saint Petersburg, Russia, March 27, 2017
 Young leaves on a birch in Sosnovka Park. Saint Petersburg, Russia, May 20, 2017
 Toothed crust fungus (Xylodon radula, Basidioradulum radula)(?) in Sosnovka Park. Saint Petersburg, Russia, March 13, 2017
 Toothed crust fungus (Xylodon radula, Basidioradulum radula)(?) in Sosnovka Park. Saint Petersburg, Russia, March 20, 2017
 Irregular pores of corticioid mushroom Amyloporia sinuosa (Antrodia sinuosa) on a fallen pine tree in Sosnovka Park. Saint Petersburg, Russia, March 27, 2017
 Mossy maple polypore mushrooms (Oxyporus populinus) on a tree in Lesnoy Park. Saint Petersburg, Russia, March 9, 2017
 Cluster of mossy maple polypore mushrooms (Oxyporus populinus) in Lesnoy Park Saint Petersburg, Russia, March 9, 2017
 Greenish mossy maple polypore mushrooms (Oxyporus populinus) in Lesnoy Park Saint Petersburg, Russia, March 9, 2017
 Alley with yellow leaves in Sosnovka Park. Saint Petersburg, Russia, October 3, 2017
 Dried toothed crust fungus (Xylodon radula, Basidioradulum radula)(?) on a tree in Sosnovka Park. Saint Petersburg, Russia, March 15, 2017
 Sidera lenis (Skeletocutis lenis)(?) poroid fungus on a broken pine tree in Sosnovka Park. Saint Petersburg, Russia, March 27, 2017
 Maple leaf in Sosnovka Park. Saint Petersburg, Russia, October 31, 2016
 Mossy maple polypore mushrooms (Oxyporus populinus) in a depression on a tree in Lesnoy Park. Saint Petersburg, Russia, March 9, 2017
 Large cluster of mossy maple polypore mushrooms (Oxyporus populinus) in Lesnoy Park Saint Petersburg, Russia, March 9, 2017
 Decaying basidiome of jelly rot (Phlebia tremellosa, Merulius tremellosus) with a saprobic fungus Botryobasidium subcoronatum on a birch tree in Sosnovka Park. Saint Petersburg, Russia, March 13, 2017
 Crust fungus (mushroom) Corticium roseum on a fallen log near northern road in Yuntolovsky Park. Saint Petersburg, Russia, March 1, 2017
 Birch leaves covering a road in Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Sidera lenis (Skeletocutis lenis)(?) poroid fungus on rotten wood of a pine tree in Sosnovka Park. Saint Petersburg, Russia, March 27, 2017
 Spreading poroid fungus Sidera lenis (Skeletocutis lenis)(?) on a broken pine tree in Sosnovka Park. Saint Petersburg, Russia, March 27, 2017
 Porodaedalea pini (Phellinus pini) bracket fungus (polypore mushrooms) on a pine tree in Sosnovka Park. Saint Petersburg, Russia, March 13, 2017
 Some orange fungus together with tiny dark cups of Ascomycete fungus on a stump in Sosnovka Park. Saint Petersburg, Russia, September 23, 2017
 White pores of poroid fungus Sidera lenis (Skeletocutis lenis)(?) on a broken pine tree in Sosnovka Park. Saint Petersburg, Russia, March 27, 2017
 Corticioid fungus (mushroom) Cylindrobasidium evolvens on a fallen tree near northern road in Yuntolovsky Park. Saint Petersburg, Russia, March 1, 2017
 Dog sick slime mould (Mucilago crustacea) among dry leaves and fallen sticks on the ground in Sosnovka Park. Saint Petersburg, Russia, July 30, 2024
 Texture of corticioid fungus (mushroom) Cylindrobasidium evolvens on a fallen tree near northern road in Yuntolovsky Park. Saint Petersburg, Russia, March 1, 2017
 Corticioid fungus (mushroom) Cylindrobasidium evolvens spreading on a fallen tree near northern road in Yuntolovsky Park. Saint Petersburg, Russia, March 1, 2017
 Fresh leaves of mountain ash (Sorbus aucuparia, Russian name Ryabina) in Sosnovka Park. Saint Petersburg, Russia, May 20, 2017
 Maple leaves in Lesnoy Park. Saint Petersburg, Russia, October 8, 2016
 Some poroid mushroom on a fallen pine in Sosnovka Park. Saint Petersburg, Russia, April 4, 2017
 Some white corticioid fungus on a fallen tree in wet area in Sosnovka Park. Saint Petersburg, Russia, May 8, 2021
 Yellow leaves on demolished garages in area of former prisoner of war camps in Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Orange leaves on demolished garages in area of former prisoner of war camps in Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Antrodiella or may be Trametes mushrooms on a fallen birch in Sosnovka Park. Saint Petersburg, Russia, June 25, 2017
 Warty cavalier mushrooms (Melanoleuca verrucipes) on a pile of rotten leaves in Sosnovka Park. Saint Petersburg, Russia, August 14, 2017
 Coral slime mold Ceratiomyxa fruticulosa var. porioides among dry birch leaves in Sosnovka Park. Saint Petersburg, Russia, June 30, 2017
 Warty cavalier mushrooms (Melanoleuca verrucipes) on rotting pile of dry leaves in Sosnovka Park. Saint Petersburg, Russia, September 16, 2017
 Yellow leaves carpeting demolished garages in area of former prisoner of war camps in Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
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