 Fungus Hypomyces armeniacus on rotting leaves on the ground in Sosnovka Park. Saint Petersburg, Russia, August 14, 2017
 Warty cavalier mushrooms (Melanoleuca verrucipes) on rotting pile of dry leaves in Sosnovka Park. Saint Petersburg, Russia, September 16, 2017
 Group of warty cavalier mushrooms (Melanoleuca verrucipes) on rotting pile of dry leaves in Sosnovka Park. Saint Petersburg, Russia, September 16, 2017
 Webcap mushrooms Cortinarius armeniacus(?) near Lembolovo, 40 miles north from Saint Petersburg. Russia, August 27, 2017
 Tar rot fungus (Rhytisma acerinum) on last year maple leaves in Sosnovka Park. Saint Petersburg, Russia, March 23, 2017
 Tar rot fungus (Rhytisma acerinum) on fallen maple leaves in Sosnovka Park. Saint Petersburg, Russia, March 23, 2017
 Bolete eater mold fungus (Hypomyces chrysospermus) in Gardens of Polytechnic Institute. Saint Petersburg, Russia, August 19, 2017
 Rust fungus Puccinia urticata on leaves of common (stinging) nettle in Sosnovka Park. Saint Petersburg, Russia, May 27, 2017
 Cabbage leaf Helvella mushrooms (Helvella acetabulum) with a parasitic fungus Hypomyces cervinus (Hypomyces cervinigenus) near Dibuny, west from Saint Petersburg. Russia, June 27, 2017
 Warty cavalier mushrooms (Melanoleuca verrucipes) on a pile of rotten leaves in Sosnovka Park. Saint Petersburg, Russia, August 14, 2017
 Yellow-green fungus Hypomyces luteovirens on brittlegill mushrooms in a forest near Okhta River in Toksovo, north from Saint Petersburg. Russia, August 1, 2017
 Green fungus Hypomyces luteovirens covering brittlegill mushrooms in a forest near Okhta River in Toksovo, north from Saint Petersburg. Russia, August 1, 2017
 Milkcap (Lactarius) mushroom with mold Cladobotryum verticillatum (anamorph form of Hypomyces ochraceus, or Hypomyces armeniacus) on Winters Bayou Trail in Sam Houston National Forest. Cleveland, Texas, December 7, 2019
 Fungus (mushroom) Cylindrobasidium evolvens growing on fallen birch leaves taken from peat area in Sosnovka Park. Saint Petersburg, Russia, March 23, 2017
 White mold Cladobotryum verticillatum on milkcap (Lactarius) mushrooms (anamorph form of Hypomyces ochraceus, or Hypomyces armeniacus) in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, November 27, 2019
 Cap of a milkcap (Lactarius) mushroom with white mold Cladobotryum verticillatum (anamorph form of Hypomyces ochraceus, or Hypomyces armeniacus) in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, November 27, 2019
 Dissected milkcap (Lactarius) mushroom with mold Cladobotryum verticillatum (anamorph form of Hypomyces ochraceus, or Hypomyces armeniacus) on Winters Bayou Trail in Sam Houston National Forest. Cleveland, Texas, December 7, 2019
 Underside of milkcap (Lactarius) mushroom with mold Cladobotryum verticillatum (anamorph form of Hypomyces ochraceus, or Hypomyces armeniacus) on Winters Bayou Trail in Sam Houston National Forest. Cleveland, Texas, December 7, 2019
 White mold Cladobotryum verticillatum on caps of Lactarius mushrooms (anamorph form of Hypomyces ochraceus, or Hypomyces armeniacus) in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, November 27, 2019
 Fungus (mushroom) Cylindrobasidium evolvens growing on fallen birch leaves on peat in swampy area of Sosnovka Park. Saint Petersburg, Russia, March 23, 2017
 Blue cups of fungus Chlorociboria aeruginosa in Sosnovka Park. Saint Petersburg, Russia, August 14, 2017
 Gills of a milkcap (Lactarius) mushroom with white mold Cladobotryum verticillatum (anamorph form of Hypomyces ochraceus, or Hypomyces armeniacus) in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, November 27, 2019
 Yellow-green fungus Hypomyces luteovirens on brittlegill mushrooms in cross section in a forest near Okhta River in Toksovo, north from Saint Petersburg. Russia, August 1, 2017
 Blue cups of fungus Chlorociboria aeruginosa on rotten wood in Sosnovka Park. Saint Petersburg, Russia, August 14, 2017
 Hazel bracket fungus (Skeletocutis nivea)(?) on a dry mountain ash tree in Sosnovka Park. Saint Petersburg, Russia, August 14, 2017
 Golden corticioid fungus Amylocorticium subincarnatum on a rotten pine stump in Sosnovka Park. Saint Petersburg, Russia, August 14, 2017
 Rusty bolete (Boletus ferrugineus) with a parasitic fungus bolete mould (Hypomyces chrysospermus) on roadside near Dibuny, north-west from Saint Petersburg. Russia, August 6, 2017
 Texture of golden corticioid fungus Amylocorticium subincarnatum on a rotten pine stump in Sosnovka Park. Saint Petersburg, Russia, August 14, 2017
 Close up of golden corticioid fungus Amylocorticium subincarnatum on a rotten pine stump in Sosnovka Park. Saint Petersburg, Russia, August 14, 2017
 Dissected rusty bolete (Boletus ferrugineus) with a parasitic fungus bolete mould (Hypomyces chrysospermus) on roadside near Dibuny, north-west from Saint Petersburg. Russia, August 6, 2017
 Rusty bolete (Boletus ferrugineus) with a parasitic fungus bolete mould (Hypomyces chrysospermus) in a forest near Okhta River in Toksovo, north from Saint Petersburg. Russia, August 1, 2017
 Close up of bonnet mould fungus (Spinellus fusiger) with slender sporangiophores on a cap of Mycena mushroom in Sosnovka Park. Saint Petersburg, Russia, August 4, 2017
 Tiny cups of Ascomycete fungus growing on a rotting stem of nettle taken from Sosnovka Park. Saint Petersburg, Russia, May 21, 2021
 Mycena mushroom with a parasitic bonnet mould fungus (Spinellus fusiger) with visible slender sporangiophores in Sosnovka Park. Saint Petersburg, Russia, August 4, 2017
 Bonnet mould fungus (Spinellus fusiger) with thin sporangiophores against dark background on a cap of Mycena mushroom in Sosnovka Park. Saint Petersburg, Russia, August 4, 2017
 Some young leaves in Sosnovka Park. Saint Petersburg, Russia, May 20, 2017
 Some small white Pluteus mushrooms on a rotting birch stump in Sosnovka Park. Saint Petersburg, Russia, August 28, 2018
 Young leaves on a birch in Sosnovka Park. Saint Petersburg, Russia, May 20, 2017
 Serried crust fungus Neoantrodia serialis (Antrodia serialis)(?) on a side of a pine stump in Sosnovka Park. Saint Petersburg, Russia, August 14, 2017
 Orange plasmodium of many-headed slime mold Physarum polycephalum on rotting wood in Sosnovka Park. Saint Petersburg, Russia, September 16, 2017
 Alley with yellow leaves in Sosnovka Park. Saint Petersburg, Russia, October 3, 2017
 Common jelly spot fungus (Dacrymyces stillatus)(?) on a rotting log in area of Kavgolovskoe Lake near Oselki - Toksovo, north from Saint Petersburg. Russia, August 9, 2017
 Birch leaves covering a road in Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Bolete mould fungus (Hypomyces chrysospermus) in Gardens of Polytechnic Institute. Saint Petersburg, Russia, July 29, 2017
 Some orange fungus together with tiny dark cups of Ascomycete fungus on a stump in Sosnovka Park. Saint Petersburg, Russia, September 23, 2017
 Bolete eater mold fungus (Hypomyces chrysospermus) near Lisiy Nos. West from Saint Petersburg, Russia, August 26, 2018
 Dissected bolete with mold fungus Hypomyces chrysospermus near Lisiy Nos. West from Saint Petersburg, Russia, August 26, 2018
 Soft whitish corticioid fungus on underside of a rotting birch log when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight in Sosnovka Park. Saint Petersburg, Russia, July 30, 2024
 Fresh leaves of mountain ash (Sorbus aucuparia, Russian name Ryabina) in Sosnovka Park. Saint Petersburg, Russia, May 20, 2017
 Bolete mold fungus (Hypomyces chrysospermus) on brown rollrim mushrooms (Paxillus involutus) in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, September 27, 2017
 Tar rot fungus on fallen maple leaves, Rhytisma acerinum mushroom, in Sosnovka Park. Saint Petersburg, Russia, October 31, 2016
 Close-up of soft whitish corticioid fungus on underside of a rotting birch log when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight in Sosnovka Park. Saint Petersburg, Russia, July 30, 2024
 Old brown rollrim mushrooms (Paxillus involutus) infected by bolete eater fungus Hypomyces chrysospermus in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, September 14, 2017
 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
 Yellow leaves carpeting demolished garages in area of former prisoner of war camps in Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Coral slime mold Ceratiomyxa fruticulosa var. porioides among dry birch leaves in Sosnovka Park. Saint Petersburg, Russia, June 30, 2017
 Bay cup fungus (Peziza badia) in Sosnovka Park. Saint Petersburg, Russia, July 6, 2017
 Bay cup fungus (Peziza badia(?)) in Sosnovka Park. Saint Petersburg, Russia, June 30, 2017
 Some brown corticioid fungus on a log in Sosnovka Park. Saint Petersburg, Russia, September 2, 2017
 Some brown crust fungus on a log in Sosnovka Park. Saint Petersburg, Russia, September 2, 2017
 Red-brown rust fungus Puccinia punctiformis on the underside of the leaves of creeping thistle (Cirsium arvense) taken from area of Udelnaya. Saint Petersburg, Russia, August 11, 2017
 Recurved cup fungus (Peziza repanda)(?) in Sosnovka Park. Saint Petersburg, Russia, July 16, 2017
 Jellydisc fungus Ascocoryne cylichnium(?) in Sosnovka Park. Saint Petersburg, Russia, September 23, 2017
 Jelly fungus Calocera cornea on a log in Sosnovka Park. Saint Petersburg, Russia, July 19, 2017
 Charcoal cup fungus (Peziza echinospora)(?) in Sosnovka Park. Saint Petersburg, Russia, July 19, 2017
 Corticioid fungus on birch tree in Sosnovka Park. Saint Petersburg, Russia, March 23, 2017
 Tiny orange dot fungus on a barkless log in Sosnovka Park. Saint Petersburg, Russia, July 19, 2017
 Brown and white crust fungus in Sosnovka Park. Saint Petersburg, Russia, September 2, 2017
 Toothed Cup fungus (Tarzetta cupularis) in Sosnovka Park. Saint Petersburg, Russia, June 22, 2017
 Fringe of a brown corticioid fungus on a log in Sosnovka Park. Saint Petersburg, Russia, September 2, 2017
 Some white and brown corticioid fungus on a log in Sosnovka Park. Saint Petersburg, Russia, September 2, 2017
 Jellydisc fungus Ascocoryne cylichnium(?) in Sosnovka Park. Saint Petersburg, Russia, September 16, 2017
 Xerocomellus pruinatus(?) mushrooms with a bolete mould parasitic fungus (Hypomyces chrysospermus) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 28, 2017
 Gymnopil(?) mushrooms on peat in Sosnovka Park. Saint Petersburg, Russia, August 21, 2017
 Catkin cup (Ciboria amentacea) mushroom on rotting leaves under alder in Lavriki, north from Saint Petersburg. Russia, March 14, 2017
 Mushrooms Sarcoscypha austriaca among rotting leaves near Oselki on roadside near Kavgolovskoe Lake. North from Saint Petersburg, Russia, May 3, 2017
 Leaves of bitter dock (Rumex obtusifolius) with reddish purple blotches caused by fungus Ramularia rubella in Sosnovka Park. Saint Petersburg, Russia, May 30, 2019
 Gelatinous droplets of a fungus Hypocrea gelatinosa on rotting wood in Lesnoy Park (Lesotekhnicheskiy Universitet). Saint Petersburg, Russia, July 30, 2017
 Jellydisc fungus Ascocoryne cylichnium(?) on a stump in Sosnovka Park. Saint Petersburg, Russia, September 23, 2017
 Pine bracket fungus (Porodaedalea pini) in Sosnovka Park. Saint Petersburg, Russia, July 16, 2017
 Jellydisc fungus Ascocoryne cylichnium(?) on wood in Sosnovka Park. Saint Petersburg, Russia, September 16, 2017
 Bay cup fungus (Peziza badia) in swampy area in Sosnovka Park. Saint Petersburg, Russia, July 6, 2017
 White poroid fungus on rotten wood in Sosnovka Park. Saint Petersburg, Russia, September 2, 2017
 Cup fungus Peziza echinospora(?) on burnt ground in Sosnovka Park. Saint Petersburg, Russia, June 22, 2017
 Lemon disco fungus (Bisporella citrina) in Sosnovka Park. Saint Petersburg, Russia, September 13, 2017
 Jellydisc fungus Ascocoryne cylichnium(?) on a stump in Sosnovka Park. Saint Petersburg, Russia, September 16, 2017
 White fringed brown corticioid fungus on a log in Sosnovka Park. Saint Petersburg, Russia, September 2, 2017
 Common eyelash cup fungus (Scutellinia scutellata) in Sosnovka Park. Saint Petersburg, Russia, June 30, 2017
 Some crustous fibrillous fungus on a birch tree in Sosnovka Park. Saint Petersburg, Russia, September 13, 2017
 Cup fungus Peziza echinospora(?) on a fire site in Sosnovka Park. Saint Petersburg, Russia, June 22, 2017
 Jelly fungus Calocera cornea on a barkless log in Sosnovka Park. Saint Petersburg, Russia, July 19, 2017
 Purple jellydisc fungus (Ascocoryne sarcoides) in Sosnovka Park. Saint Petersburg, Russia, September 13, 2017
 Some crustous fungus at the base of a birch tree in Sosnovka Park. Saint Petersburg, Russia, September 13, 2017
 Fungus Pulvinula convexella on old campfire site in Sosnovka Park. Saint Petersburg, Russia, June 30, 2017
 Golden jelly fungus (Tremella mesenterica)(?) in Sosnovka Park. Saint Petersburg, Russia, March 13, 2017
 Hyphae of mycelium of some fungus on a fallen pine in Sosnovka Park. Saint Petersburg, Russia, April 4, 2017
 Tar rot fungus (Rhytisma acerinum) on a maple leaf taken from Sosnovka Park. Saint Petersburg, Russia, March 23, 2017
 Brown webcap mushrooms (Cortinarius) in Sosnovka Park. Saint Petersburg, Russia, August 21, 2017
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