 Deacomposing fruits with emerging seeds of Wild Calla (Water Arum, Calla palustris) in swampy area of Sosnovka Park. Saint Petersburg, Russia, August 19, 2013
 Fruits of wild calla (Water Arum, Calla palustris) near a forest path in swampy area of Sosnovka Park. Saint Petersburg, Russia, September 24, 2015
 Fruits of Wild Calla (Water Arum, Calla palustris) in moss in Sosnovka Park. Saint Petersburg, Russia, August 19, 2013
 Fruit of wild calla (Water Arum, Calla palustris) taken from a swampy area of Sosnovka Park. Saint Petersburg, Russia, September 24, 2015
 Fruits of Wild Calla (Water Arum, Calla palustris) in Sosnovka Park. Saint Petersburg, Russia, September 15, 2013
 Dissected fruit of wild calla (Water Arum, Calla palustris) taken from a swampy area of Sosnovka Park. Saint Petersburg, Russia, September 24, 2015
 Wild Calla (Water Arum, Calla palustris) fruits in swamp of Sosnovka Park. Saint Petersburg, Russia, August 15, 2012
 Fruits of Wild Calla (Water Arum, Calla palustris) in swamp of Sosnovka Park. Saint Petersburg, Russia, August 15, 2012
 Wild Calla (Water Arum, Calla palustris) in Sosnovka Park. Saint Petersburg, Russia, May 26, 2014
 Wild Calla (Water Arum, Calla palustris) in Sosnovka Park. Saint Petersburg, Russia, June 28, 2011
 Wild Calla (Water Arum, Calla palustris) in Sosnovka Park. Saint Petersburg, Russia, June 13, 2014
 Wild Calla (Water Arum, Calla palustris) in Sosnovka Park. Saint Petersburg, Russia, July 25, 2015
 Wild Calla (Water Arum, Calla palustris) in Sosnovka Park in Saint Petersburg. Russia, June 24, 2010
 Wild Calla (Water Arum, Calla palustris) in Sosnovka Park. Saint Petersburg, Russia, June 10, 2011
 Wild Calla (Water Arum, Calla palustris) in a swamp in Sosnovka Park. Saint Petersburg, Russia, June 10, 2011
 Flower of Wild Calla (Water Arum, Calla palustris) in Sosnovka Park. Saint Petersburg, Russia, June 10, 2011
 Fruit of Wild Calla (Water Arum, Calla palustris) in Sosnovka Park. Saint Petersburg, Russia, July 25, 2015
 Close up of Wild Calla (Water Arum, Calla palustris) in Sosnovka Park. Saint Petersburg, Russia, June 10, 2011
 Close up of a fruit of Wild Calla (Water Arum, Calla palustris) in Sosnovka Park. Saint Petersburg, Russia, July 25, 2015
 Wild Calla (Water Arum, Calla palustris) in Lembolovo, 40 miles north from Saint Petersburg. Russia, June 7, 2011
 Wild Calla (Water Arum, Calla palustris) near Valkialampi Lake in Orekhovo, north from Saint Petersburg. Russia, June 5, 2014
 Flower of Wild Calla (Water Arum, Calla palustris) in Lembolovo, 40 miles north from Saint Petersburg. Russia, June 7, 2011
 Flower spike of Wild Calla (Water Arum, Calla palustris) in Lembolovo, 40 miles north from Saint Petersburg. Russia, June 7, 2011
 Wild Calla (Water Arum, Calla palustris) in Beloe Lake near railroad in Lembolovo, 40 miles north from Saint Petersburg. Russia, June 12, 2009
 Orange fruits on a plant of calla family (arum) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 31, 2012
 Red calla (Arum) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 20, 2014
 Red calla (Arum) flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 13, 2014
 Alley in swampy area in Sosnovka Park. Saint Petersburg, Russia, August 30, 2016
 Some webcap (Cortinarius sp.) mushrooms in swampy area in Sosnovka Park. Saint Petersburg, Russia, August 28, 2016
 Seedling of chestnut grown in swampy area in Sosnovka Park. Saint Petersburg, Russia, August 4, 2017
 Black cap birch bolete mushroom (Leccinum variicolor) in swampy area of Sosnovka Park. Saint Petersburg, Russia, September 15, 2013
 Scurfy deceiver mushrooms (Laccaria proxima) in swampy area of Sosnovka Park. Saint Petersburg, Russia, August 3, 2016
 Silky webcap mushrooms (Cortinarius evernius) in swampy area in Sosnovka Park. Saint Petersburg, Russia, August 21, 2017
 Tawny grisette mushroom (Amanita fulva) in swampy area of Sosnovka Park. Saint Petersburg, Russia, August 3, 2016
 Twisted deceiver mushrooms (Laccaria tortilis)(?) in swampy area in Sosnovka Park. Saint Petersburg, Russia, August 28, 2016
 Grey milkcap mushrooms (Lactarius vietus)(?) in sphagnum moss in swampy area of Sosnovka Park. Saint Petersburg, Russia, September 15, 2013
 Tawny grisette mushroom (Amanita fulva, Russian name Poplavok) in swampy area of Sosnovka Park. Saint Petersburg, Russia, September 15, 2013
 Tawny grisette mushroom (Amanita fulva, Russian name Poplavok) in moss in swampy area of Sosnovka Park. Saint Petersburg, Russia, September 15, 2013
 Pair of grey milkcap mushrooms (Lactarius vietus)(?) in sphagnum moss in swampy area of Sosnovka Park. Saint Petersburg, Russia, September 15, 2013
 Red fruit of a plant of calla family in greenhouses of Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 27, 2009
 Red fruit of a plant of calla family in greenhouses of Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, February 23, 2017
 Swampy area of Sosnovka Park. Saint Petersburg, Russia, May 29, 2014
 Swampy area in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Swampy area of Sosnovka Park. Saint Petersburg, Russia, June 11, 2009
 Fruits of cranberrybush (Viburnum opulus, Russian name Kalina) taken from a swampy area in Yuntolovsky Park. Saint Petersburg, Russia, February 23, 2017
 Alley in swampy area in Sosnovka Park. Saint Petersburg, Russia, September 20, 2016
 Birches in swampy area in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Old ditch in swampy area in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Swampy area after snowfall in Sosnovka Park. Saint Petersburg, Russia, November 25, 2016
 Fall colors in swampy area in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Forest path in swampy area of Sosnovka Park. Saint Petersburg, Russia, September 24, 2015
 Birch forest in swampy area in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Swampy area in northern part of Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Birch alley in swampy area in Sosnovka Park. Saint Petersburg, Russia, October 31, 2016
 Fruits of cranberry (Oxycoccus palustris, Vaccinium oxycoccos, Russian name Kliukva) in Duplianskoe Marsh south from Sluditsy, Leningrad Region, Russia, August 23, 2013
 Bay cup fungus (Peziza badia) in swampy area in Sosnovka Park. Saint Petersburg, Russia, July 6, 2017
 Old cutting along drainage ditches in swampy area of Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Fall colors of birches in swampy area in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Fall colors of a forest in swampy area in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Alley along drainage ditches in swampy area of Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Trees along drainage ditches in swampy area of Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Lichenized mushrooms Lichenomphalia umbellifera in swampy area in Sosnovka Park. Saint Petersburg, Russia, June 29, 2017
 Deceiver mushrooms Laccaria bicolor(?) in swampy area in Sosnovka Park. Saint Petersburg, Russia, September 6, 2016
 Lichenized mushrooms Lichenomphalia umbellifera in swampy area of Sosnovka Park. Saint Petersburg, Russia, June 22, 2017
 Multicolored peat (sphagnum) moss in swampy area of Sosnovka Park. Saint Petersburg, Russia, March 23, 2017
 Reddish peat (sphagnum) moss in swampy area of Sosnovka Park. Saint Petersburg, Russia, March 23, 2017
 Cottongrass (Eriophorum vaginatum, Russian name Pushitsa) in swampy area of Sosnovka Park. Saint Petersburg, Russia, May 26, 2014
 Scurfy deceiver mushrooms (Laccaria proxima) in swampy area in Sosnovka Park. Saint Petersburg, Russia, September 2, 2017
 Red brittlegill (Russula sp.) mushrooms on a forest path in swampy area of Sosnovka Park. Saint Petersburg, Russia, September 24, 2015
 Dog sick slime mould (Mucilago crustacea) in swampy area in Sosnovka Park. Saint Petersburg, Russia, July 6, 2017
 Rooting bonnet mushroom (Mycena megaspora) in swampy area in Sosnovka Park. Saint Petersburg, Russia, July 16, 2017
 Silky webcap mushrooms (Cortinarius evernius) in swampy area in Sosnovka Park. Saint Petersburg, Russia, September 2, 2017
 Birch milkcap mushrooms (Lactarius tabidus) in swampy area in Sosnovka Park. Saint Petersburg, Russia, July 6, 2017
 Heath navel mushrooms (Lichenomphalia umbellifera) in swampy area in Sosnovka Park. Saint Petersburg, Russia, July 16, 2017
 Various small bonnet mushrooms (Mycena sp.) found in swampy area in Sosnovka Park. Saint Petersburg, Russia, October 31, 2016
 Scurfy deceiver mushroom (Laccaria proxima(?)) in swampy area in Sosnovka Park. Saint Petersburg, Russia, June 29, 2017
 Olive brown webcap mushrooms (Cortinarius sp.) in swampy area in Sosnovka Park. Saint Petersburg, Russia, September 6, 2016
 Striate aldercap mushrooms (Naucoria striatula)(?) in swampy area in Sosnovka Park. Saint Petersburg, Russia, September 6, 2016
 A cap of a mature Ghost bolete (Leccinum holopus) in swampy area in Sosnovka Park. Saint Petersburg, Russia, September 2, 2017
 Dark brown webcap mushrooms (Cortinarius sp.) in swampy area in Sosnovka Park. Saint Petersburg, Russia, September 6, 2016
 Small brown webcap mushrooms (Cortinarius sp.) in swampy area in Sosnovka Park. Saint Petersburg, Russia, September 6, 2016
 Common bonnet mushroom (Mycena galericulata) in swampy area in Sosnovka Park. Saint Petersburg, Russia, October 31, 2016
 Fir clubmoss (Huperzia selago, Russian name Baranets) in swampy area of Sosnovka Park. Saint Petersburg, Russia, March 23, 2017
 Group of birch milkcap mushrooms (Lactarius tabidus) in swampy area in Sosnovka Park. Saint Petersburg, Russia, July 6, 2017
 Gills of rooting bonnet mushroom (Mycena megaspora) in swampy area in Sosnovka Park. Saint Petersburg, Russia, July 16, 2017
 Fall colors of Alder Buckthorn (Frangula alnus) in swampy area in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Pair of heath navel mushrooms (Lichenomphalia umbellifera) in swampy area in Sosnovka Park. Saint Petersburg, Russia, July 16, 2017
 Mottled cap birch bolete mushroom (Leccinum variicolor) in swampy area in Sosnovka Park. Saint Petersburg, Russia, September 6, 2016
 Small winter polypore mushrooms Lentinus brumalis(?) taken from swampy area of Sosnovka Park. Saint Petersburg, Russia, March 23, 2017
 Polypore mushrooms Diplomitoporus flavescens on a small pine in swampy area of Sosnovka Park. Saint Petersburg, Russia, April 8, 2017
 Corticioid mushroom Antrodia xantha on a pine tree in swampy area of Sosnovka Park. Saint Petersburg, Russia, April 8, 2017
 Brown birch bolete mushroom (Leccinum scabrum) in swampy area in Sosnovka Park. Saint Petersburg, Russia, July 16, 2017
 Group of scurfy deceiver mushrooms (Laccaria proxima) in swampy area in Sosnovka Park. Saint Petersburg, Russia, September 2, 2017
 Polypore mushroom Diplomitoporus flavescens on a trunk of a small pine in swampy area of Sosnovka Park. Saint Petersburg, Russia, April 8, 2017
 Tawny grisette mushroom (Amanita fulva, Russian name Poplavok) in swampy area of Sosnovka Park. Saint Petersburg, Russia, July 11, 2016
 Close up of corticioid mushroom Antrodia xantha on a pine tree in swampy area of Sosnovka Park. Saint Petersburg, Russia, April 8, 2017
 Ghost shield mushrooms (Pluteus pellitus) on a rotten birch log in swampy area in Sosnovka Park. Saint Petersburg, Russia, July 16, 2017
 Polypore mushroom Diplomitoporus flavescens on a trunk of a small pine in swampy area of Sosnovka Park. Saint Petersburg, Russia, February 14, 2017
 Pair of ghost shield mushrooms (Pluteus pellitus) on a rotten birch log in swampy area in Sosnovka Park. Saint Petersburg, Russia, July 16, 2017
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