 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 10, 2011
 Flower of Wild Calla (Water Arum, Calla palustris) in Sosnovka Park. Saint Petersburg, Russia, June 10, 2011
 Close up of Wild Calla (Water Arum, Calla palustris) in Sosnovka Park. Saint Petersburg, Russia, June 10, 2011
 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 in Saint Petersburg. Russia, June 24, 2010
 Wild Calla (Water Arum, Calla palustris) in Sosnovka Park. Saint Petersburg, Russia, June 13, 2014
 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 Sosnovka Park. Saint Petersburg, Russia, May 26, 2014
 Flower 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 Sosnovka Park. Saint Petersburg, Russia, July 25, 2015
 Flower spike of Wild Calla (Water Arum, Calla palustris) in Lembolovo, 40 miles north from Saint Petersburg. Russia, June 7, 2011
 Fruits of Wild Calla (Water Arum, Calla palustris) in Sosnovka Park. Saint Petersburg, Russia, September 15, 2013
 Fruit of Wild Calla (Water Arum, Calla palustris) in Sosnovka Park. Saint Petersburg, Russia, July 25, 2015
 Fruits of Wild Calla (Water Arum, Calla palustris) in moss in Sosnovka Park. Saint Petersburg, Russia, August 19, 2013
 Close up of a fruit of Wild Calla (Water Arum, Calla palustris) in Sosnovka Park. Saint Petersburg, Russia, July 25, 2015
 Fruits of Wild Calla (Water Arum, Calla palustris) in swampy area of 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
 Dissected 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) near a forest path in swampy area of Sosnovka Park. Saint Petersburg, Russia, September 24, 2015
 Deacomposing fruits with emerging seeds of Wild Calla (Water Arum, Calla palustris) in swampy area of Sosnovka Park. Saint Petersburg, Russia, August 19, 2013
 Wild Calla (Water Arum, Calla palustris) near Valkialampi Lake in Orekhovo, north from Saint Petersburg. Russia, June 5, 2014
 Wild Calla (Water Arum, Calla palustris) in Beloe Lake near railroad in Lembolovo, 40 miles north from Saint Petersburg. Russia, June 12, 2009
 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
 Orange fruits on a plant of calla family (arum) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 31, 2012
 Flower buds of Labrador tea (Ledum palustris) in a swamp in in Sosnovka Park. Saint Petersburg, Russia, May 22, 2011
 Red fruit of a plant of calla family in greenhouses of Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 27, 2009
 Sundew in a swamp in Sosnovka Park. Saint Petersburg, Russia, June 10, 2011
 Moss carpeting swamp in Sosnovka Park. Saint Petersburg, Russia, June 28, 2011
 Swamp loosestrife (Naumburgia thyrsiflora, Russian name Kizliak) in Sosnovka Park. Saint Petersburg, Russia, June 28, 2011
 Blister sedge (Carex vesicaria, Russian name Osoka) in a swamp in Sosnovka Park. Saint Petersburg, Russia, June 10, 2011
 Red fruit of a plant of calla family in greenhouses of Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, February 23, 2017
 Sundew in a swamp in Sosnovka Park. Saint Petersburg, Russia, July 1, 2011
 Blue flowers of forget-me-not (Myosotis palustris, Russian name Nezabudka) in Sosnovka Park in Saint Petersburg. Russia, June 24, 2010
 Cottongrass (Eriophorum, Pushitsa in Russian) in a swamp in Sosnovka Park in Saint Petersburg. Russia, May 31, 2011
 Cottongrass (Eriophorum vaginatum, Russian name Pushitsa) in a swamp in Sosnovka Park. Saint Petersburg, Russia, May 22, 2011
 Flower buds of Labrador Tea (ledum Palustre) in a swamp in Sosnovka Park in Saint Petersburg. Russia, May 31, 2011
 Flower of arum in aquatic plant greenhouse in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 18, 2011
 Young leaves of swamp blueberry (Vaccinium uliginosum, Russian name Golubika or Gonobobel) in Sosnovka Park in Saint Petersburg. Russia, May 31, 2011
 Road with ditches through a swamp in Sosnovka Park. Saint Petersburg, Russia, June 11, 2009
 Road in swamp area of Sosnovka Park in fog. Saint Petersburg, Russia, June 26, 2010
 Alley in swamp area of Sosnovka Park in fog. Saint Petersburg, Russia, June 26, 2010
 Wild strawberry (Fragaria, Russian name Zemlianika) in Sosnovka Park. Saint Petersburg, Russia, June 25, 2017
 Blooming Bog Rosemary (Andromeda polifolia, Andromeda glaucophylla, Russian name Podbel) in a swamp in Sosnovka Park in Saint Petersburg. Russia, May 31, 2011
 Flowers of wild strawberry (Fragaria, Russian name Zemlianika) in Sosnovka Park. Saint Petersburg, Russia, June 25, 2017
 Sundew (Drosera rotundifolia, Russian name Rosianka) in a swamp at sunrise in Sosnovka Park, Saint Petersburg, Russia, June 28, 2010
 Mushrooms Sphagnurus paluster (Tephrocybe palustris) in swamp near Orekhovo, north from Saint Petersburg. Russia, May 31, 2019
 Mushroom Sphagnurus paluster (Tephrocybe palustris) in swamp near Orekhovo, north from Saint Petersburg. Russia, May 31, 2019
 Bulbous fibrecap mushrooms (Inocybe napipes) in area of peat swamp in Sosnovka Park. Saint Petersburg, Russia, June 30, 2017
 Calla flowers on a marble tombstone in City Cemetery. Bryan, Texas, December 30, 2012
 Pod grass (rannoch-rush, Scheuchzeria palustris) in a swamp near Orekhovo, 40 miles north from Saint Petersburg. Russia, July 16, 2016
 Sphagnum greyling mushrooms Sphagnurus paluster (Tephrocybe palustris) in Sosnovka Park. Saint Petersburg, Russia, July 6, 2017
 Cranberry (Oxycoccus palustris, Vaccinium oxycoccos, Russian name Kliukva) in a swamp near Vyritsa, 50 miles south from Saint Petersburg. Russia, September 10, 2017
 Ducklings in Sosnovka Park. Saint Petersburg, Russia, June 28, 2011
 Swamp mosses on 69 kilometr near Sosnovo, north from Saint Petersburg. Russia, June 20, 2011
 Mushrooms Sphagnurus paluster (Tephrocybe palustris) in swamp near Kavgolovskoe Lake south from Oselki, 8 miles north from Saint Petersburg. Russia, July 25, 2017
 Flowers of swamp orchid on 69 kilometr near Sosnovo, north from Saint Petersburg. Russia, June 20, 2011
 Flowers of wild strawberry east from Kuzmolovo, 7 miles north from Saint Petersburg. Russia, June 22, 2011
 Swamp orchid in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 8, 2011
 Swamp orchid near Vetrenoe Lake on 69 kilometr near Sosnovo, north from Saint Petersburg. Russia, June 20, 2011
 One-flowered Wintergreen (Moneses uniflora) in Sosnovka Park. Saint Petersburg, Russia, June 10, 2011
 Daddy long-legs spider in Sosnovka Park. Saint Petersburg, Russia, June 10, 2011
 Close up of swamp orchid near Vetrenoe Lake on 69 kilometr near Sosnovo, north from Saint Petersburg. Russia, June 20, 2011
 Flower of wild strawberry (Russian name Zemlianika) east from Kuzmolovo, 7 miles north from Saint Petersburg. Russia, June 22, 2011
 Water drops, or guttation of bracket fungus Red-Belt Conk (polypore mushroom Fomitopsis pinicola) in Sosnovka Park. Saint Petersburg, Russia, June 30, 2017
 Fruit of calla in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, July 23, 2014
 Ovary of calla in TAMU Holistic Garden in Texas A and M University. College Station, Texas, September 2, 2012
 Cranberry and fruits of pod grass (rannoch-rush, Scheuchzeria palustris) on sphagnum moss from a swamp boardwalk at Kavgolovskoe Lake (Syariunlakhti), near Toksovo. North from Saint Petersburg, Russia, July 26, 2024
 Early fruit of wild strawberry (Russian name Zemlianika) east from Kuzmolovo, 7 miles north from Saint Petersburg. Russia, June 22, 2011
 Yellow flower of swamp iris (water flag, Iris pseudacorus) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 9, 2014
 Snowy swamp in Sosnovka Park. Saint Petersburg, Russia, December 31, 2014
 Burning swamp in Sosnovka Park. Saint Petersburg, Russia, August 14, 2007
 Smoking swamp in Sosnovka Park. Saint Petersburg, Russia, August 14, 2007
 Fir needles with water drops on 69 kilometr near Sosnovo, north from Saint Petersburg. Russia, June 20, 2011
 Young fir needles with water drops on 69 kilometr near Sosnovo, north from Saint Petersburg. Russia, June 20, 2011
 Water Avens (Geum rivale) in Kuzmolovo, 10 miles north from Saint Petersburg. Russia, June 11, 2011
 Snowy ditch in swamp area of Sosnovka Park. Saint Petersburg, Russia, December 31, 2014
 Galerina triscopa mushrooms in a swamp in Sosnovka Park. Saint Petersburg, Russia, September 2, 2017
 Wild duck (mallard) on Karasiovoe Lake in Sosnovka Park. Saint Petersburg, Russia, November 21, 2016
 Back lit Water Avens (Geum rivale) in Kuzmolovo, 10 miles north from Saint Petersburg. Russia, June 11, 2011
 Swamp in eastern part of Sosnovka Park at morning in mist. Saint Petersburg. Russia, September 9, 2007
 Some brown webcap (Cortinarius) mushrooms in a swamp in Sosnovka Park. Saint Petersburg, Russia, September 2, 2017
 Arum flower in greenhouses of Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 27, 2009
 Swamp in Zverinets area of Gatchina Park, suburb of Saint Petersburg. Russia, May 16, 2011
 Pelargonium webcap mushrooms (Cortinarius flexipes) in a swamp in Sosnovka Park. Saint Petersburg, Russia, September 2, 2017
 Rooting bonnet mushroom (Mycena megaspora) in a swamp in Sosnovka Park. Saint Petersburg, Russia, September 2, 2017
 Pine-cone mushrooms (Strobilurus stephanocystis) in area of former swamp in Sosnovka Park. Saint Petersburg, Russia, May 11, 2017
 Grey milkcap mushrooms (Lactarius vietus) in a swamp in Sosnovka Park. Saint Petersburg, Russia, September 2, 2017
 Pine-cone mushrooms (Strobilurus stephanocystis) from area of former swamp in Sosnovka Park. Saint Petersburg, Russia, May 11, 2017
 Cortinarius sp., Hebeloma crustuliniforme, and Laccaria proxima mushrooms in a swamp in Sosnovka Park. Saint Petersburg, Russia, September 2, 2017
 Bleeding bonnet mushrooms (Mycena sanguinolenta) around a small swamp in Sosnovka Park. Saint Petersburg, Russia, July 6, 2017
 Group of grey milkcap mushrooms (Lactarius vietus) in a swamp in Sosnovka Park. Saint Petersburg, Russia, September 2, 2017
 Gills of rooting bonnet mushroom (Mycena megaspora) in a swamp in Sosnovka Park. Saint Petersburg, Russia, September 2, 2017
 Close up of pine-cone mushrooms (Strobilurus stephanocystis) from area of former swamp in Sosnovka Park. Saint Petersburg, Russia, May 11, 2017
 Flower of water lily in aquatic plant greenhouse in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 18, 2011
 Cortinarius flexipes, Lactarius vietus, and Leccinum holopus mushrooms in a swamp in Sosnovka Park. Saint Petersburg, Russia, September 2, 2017
 Rooting bonnet mushroom (Mycena megaspora) found in moss in a swamp in Sosnovka Park. Saint Petersburg, Russia, September 2, 2017
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