 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
 Close up of 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
 Wild Calla (Water Arum, Calla palustris) in Sosnovka Park. Saint Petersburg, Russia, June 13, 2014
 Wild Calla (Water Arum, Calla palustris) in Sosnovka Park in Saint Petersburg. Russia, June 24, 2010
 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
 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 Sosnovka Park. Saint Petersburg, Russia, September 15, 2013
 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 swamp of Sosnovka Park. Saint Petersburg, Russia, August 15, 2012
 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 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
 Red fruit of a plant of calla family in greenhouses of Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 27, 2009
 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, February 23, 2017
 Blue flowers of forget-me-not (Myosotis palustris, Russian name Nezabudka) in Sosnovka Park in Saint Petersburg. Russia, June 24, 2010
 Flower of arum in aquatic plant greenhouse in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 18, 2011
 Wild strawberry (Fragaria, Russian name Zemlianika) in Sosnovka Park. Saint Petersburg, Russia, June 25, 2017
 Flowers of wild strawberry (Fragaria, Russian name Zemlianika) in Sosnovka Park. Saint Petersburg, Russia, June 25, 2017
 Calla flowers on a marble tombstone in City Cemetery. Bryan, Texas, December 30, 2012
 Sphagnum greyling mushrooms Sphagnurus paluster (Tephrocybe palustris) in Sosnovka Park. Saint Petersburg, Russia, July 6, 2017
 Ducklings in Sosnovka Park. Saint Petersburg, Russia, June 28, 2011
 Sundew in a swamp in Sosnovka Park. Saint Petersburg, Russia, June 10, 2011
 Flowers of wild strawberry east from Kuzmolovo, 7 miles north from Saint Petersburg. Russia, June 22, 2011
 Moss carpeting swamp in Sosnovka Park. Saint Petersburg, Russia, June 28, 2011
 Daddy long-legs spider in Sosnovka Park. Saint Petersburg, Russia, June 10, 2011
 One-flowered Wintergreen (Moneses uniflora) in Sosnovka Park. Saint Petersburg, Russia, June 10, 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
 Early fruit of wild strawberry (Russian name Zemlianika) east from Kuzmolovo, 7 miles north from Saint Petersburg. Russia, June 22, 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
 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
 Young fir needles with water drops on 69 kilometr near Sosnovo, north from Saint Petersburg. Russia, June 20, 2011
 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
 Arum flower in greenhouses of Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 27, 2009
 Flower of water lily in aquatic plant greenhouse in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 18, 2011
 Leaves in a pool of water in Sosnovka Park. Saint Petersburg, Russia, October 8, 2016
 Pool of water in area of former German camps in Sosnovka Park. Saint Petersburg, Russia, October 3, 2017
 Wrinked corticioid fungus with water droplets on a thin tree in Sosnovka Park. Saint Petersburg, Russia, May 8, 2021
 Water flag (yellow iris, Iris pseudacorus) in a pond in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 18, 2011
 Road in Sosnovka Park. Saint Petersburg, Russia, May 17, 2011
 Trail in Sosnovka Park. Saint Petersburg, Russia, May 17, 2011
 Forest in Sosnovka Park. Saint Petersburg, Russia, May 17, 2011
 Birches in Sosnovka Park. Saint Petersburg, Russia, May 17, 2011
 Forget-me-not flowers (Myosotis palustris, Russian name Nezabudka) near Zapliusye in Pskov Region south from Saint Petersburg, Russia, June 27, 2010
 Alley in a forest in Sosnovka Park. Saint Petersburg, Russia, May 17, 2011
 Birch forest in Sosnovka Park. Saint Petersburg, Russia, May 17, 2011
 Pink flowers of Marsh pea (Lathyrus palustris, Russian name China) near Zapliusye in Pskov Region south from Saint Petersburg, Russia, June 27, 2010
 Blooming cranberry (Oxycoccus palustris, Vaccinium oxycoccos, Russian name Kliukva) in Lembolovo, 40 miles north from Saint Petersburg. Russia, June 12, 2009
 Sundew in a swamp in Sosnovka Park. Saint Petersburg, Russia, July 1, 2011
 Narrow birch alley in Sosnovka Park. Saint Petersburg, Russia, May 17, 2011
 Morning mist in Sosnovka Park. Saint Petersburg, Russia, July 1, 2011
 Road in a birch forest in Sosnovka Park. Saint Petersburg, Russia, May 17, 2011
 Road through birch forest in Sosnovka Park. Saint Petersburg, Russia, May 17, 2011
 Sprout of a pine tree in Sosnovka Park in Saint Petersburg. Russia, May 31, 2011
 Mushrooms Sphagnurus paluster (Tephrocybe palustris) in sphagnum moss near Kavgolovskoe Lake in area of Toksovo, north from Saint Petersburg, Russia, June 16, 2017
 Young mushrooms Sphagnurus paluster (Tephrocybe palustris) in moss near Kavgolovskoe Lake in area of Toksovo, north from Saint Petersburg, Russia, June 16, 2017
 Flowers of leatherleaf (Chamaedaphne calyculata) in Sosnovka Park. Saint Petersburg, Russia, May 22, 2011
 Blooming Labrador Tea (Ledum palustre) in Sosnovka Park in Saint Petersburg. Russia, May 31, 2011
 Blooming leatherleaf (Chamaedaphne calyculata) in Sosnovka Park. Saint Petersburg, Russia, May 22, 2011
 Cottongrass (Eriophorum, Pushitsa in Russian) in a swamp in Sosnovka Park in Saint Petersburg. Russia, May 31, 2011
 Arctic starflower (Trientalis europaea, Russian name Sedmichnik) 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
 Back lit leaf of black chokeberry (Aronia melanocarpa) in Sosnovka Park in Saint Petersburg. Russia, May 31, 2011
 Flower buds of Labrador Tea (ledum Palustre) in a swamp in Sosnovka Park in Saint Petersburg. Russia, May 31, 2011
 Flowers of ground ivy (Glechoma hederacea, Russian name Burda pliushchevaya) in Sosnovka Park in Saint Petersburg. Russia, May 31, 2011
 Blooming blueberry (bilberry, Vaccinium myrtillus, Russian name Chernika) in Sosnovka Park. Saint Petersburg, Russia, May 22, 2011
 Flowers of blueberry (bilberry, Vaccinium myrtillus, Russian name Chernika) in Sosnovka Park. Saint Petersburg, Russia, May 22, 2011
 Back lit flower of cloudberry (Rubus chamaemorus, Moroshka in Russian) in Sosnovka Park in Saint Petersburg. Russia, May 31, 2011
 Water drops, or guttation of bracket polypore mushroom Fomitopsis pinicola 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
 Dark water of Tosna River near Sablino, south from Saint Petersburg. Russia, May 21, 2011
 Young leaves of swamp blueberry (Vaccinium uliginosum, Russian name Golubika or Gonobobel) in Sosnovka Park in Saint Petersburg. Russia, May 31, 2011
 Young leaves with hovering mosquito and a flower of cloudberry (Rubus chamaemorus, Moroshka in Russian) in Sosnovka Park in Saint Petersburg. Russia, May 31, 2011
 Water drops, or guttation of bracket fungus Red-Belt Conk (polypore mushroom Fomitopsis pinicola) 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
 Pond in Sosnovka Park. Saint Petersburg, Russia, June 24, 2014
 May beatle in Sosnovka Park. Saint Petersburg, Russia, June 30, 2017
 Birches in Sosnovka Park. Saint Petersburg, Russia, June 11, 2009
 Road in Sosnovka Park in fog. Saint Petersburg, Russia, June 26, 2010
 Wild rose (Russian name Shipovnik) in Sablino, south from Saint Petersburg. Russia, June 13, 2009
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