 Yellow flower of marsh marigold (kingcup, Caltha palustris, Russian name Kaluzhnitsa) with a black hoverfly Cheilosia in Popovka river canyon in Pyazelevo near Pavlovsk, south from Saint Petersburg. Russia, May 10, 2019
 Flowers of marsh marigold (kingcup, Caltha palustris, Russian name Kaluzhnitsa) in Popovka river canyon in Pyazelevo near Pavlovsk, south from Saint Petersburg. Russia, May 10, 2019
 Black hoverfly Cheilosia on a yellow flower of Lesser celandine (Ranunculus ficaria, Russian name Chistyak) in Popovka river canyon in Pyazelevo near Pavlovsk, south from Saint Petersburg. Russia, May 10, 2019
 Yellow flower of marsh marigold (kingcup, Caltha palustris, Russian name Kaluzhnitsa) in Alexandria Park in Peterhof, west from Saint Petersburg. Russia, May 22, 2015
 Yellow flowers of marsh marigold (kingcup, Caltha palustris, Russian name Kaluzhnitsa) in a ditch of Zapadnaya Alley in Oranienbaum. Lomonosov, west from Saint Petersburg, Russia, May 19, 2021
 Yellow flowers of marsh marigold (kingcup, Caltha palustris, Russian name Kaluzhnitsa) on Angliyskaya Alley in Upper Garden. Oranienbaum (Lomonosov), a suburb of Saint Petersburg, Russia, May 11, 2016
 Marsh marigold (kingcup, Caltha palustris, Russian name Kaluzhnitsa) in Alexandria Park in Peterhof, west from Saint Petersburg. Russia, May 22, 2015
 Marsh marigold (kingcup, Caltha palustris, Russian name Kaluzhnitsa) on Angliyskaya Alley in Lomonosov (Oranienbaum). West from Saint Petersburg, Russia, May 23, 2017
 Marsh marigold (kingcup, Caltha palustris, Russian name Kaluzhnitsa) in Upper Garden. Oranienbaum (Lomonosov), a suburb of Saint Petersburg, Russia, May 11, 2016
 Marsh marigold (kingcup, Caltha palustris, Russian name Kaluzhnitsa) on a shore of Gulf of Finland near Lakhta, a suburb of Saint Petersburg, Russia, May 11, 2016
 Alternate-leaved Golden Saxifrage (Chrysosplenium alternifolium, Russian name Selezionochnik) in Popovka river canyon in Pyazelevo near Pavlovsk, south from Saint Petersburg. Russia, May 10, 2019
 Close up of Alternate-leaved Golden Saxifrage (Chrysosplenium alternifolium, Russian name Selezionochnik) in Popovka river canyon in Pyazelevo near Pavlovsk, south from Saint Petersburg. Russia, May 10, 2019
 Back lit Alternate-leaved Golden Saxifrage (Chrysosplenium alternifolium, Russian name Selezionochnik) in Popovka river canyon in Pyazelevo near Pavlovsk, south from Saint Petersburg. Russia, May 10, 2019
 Orange and red clay layers in Popovka river canyon in Pyazelevo near Pavlovsk, south from Saint Petersburg. Russia, May 10, 2019
 Green and red clay layers in Popovka river canyon in Pyazelevo near Pavlovsk, south from Saint Petersburg. Russia, May 10, 2019
 Multicolored clay layers in Popovka river canyon in Pyazelevo near Pavlovsk, south from Saint Petersburg. Russia, May 10, 2019
 Brittlestem mushrooms Psathyrella clivensis(?) at the bottom of Popovka river canyon in Pyazelevo near Pavlovsk, south from Saint Petersburg. Russia, May 10, 2019
 Brown brittlestem mushrooms Psathyrella clivensis(?) at the bottom of Popovka river canyon in Pyazelevo near Pavlovsk, south from Saint Petersburg. Russia, May 10, 2019
 Valley of Popovka River near Grafskaya Road in area of Pyazelevo near Pavlovsk, south from Saint Petersburg. Russia, May 10, 2019
 Yellow flower of common dandelion (Taraxacum officinale, Russian name Oduvanchik) in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, May 16, 2019
 Pink flowers of Marsh pea (Lathyrus palustris, Russian name China) near Zapliusye in Pskov Region south from Saint Petersburg, Russia, June 27, 2010
 Hoverfly (Syrphidae, Russian name Zhurchalka) on hawkweed flower in Posiolok near Vyritsa, south from Saint Petersburg, Russia, July 9, 2017
 Hoverfly on a flower of Wood cranesbill (Geranium sylvaticum) near Sablinka River in Sablino, 30 miles south from Saint Petersburg. Russia, July 29, 2012
 Bog-star flower (Parnassia palustris, Russian name Belozor) near Vyritsa, 50 miles south from Saint Petersburg. Russia, September 10, 2017
 Slavianka River near Black Bridge in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, May 16, 2019
 Flower of butterbur (Petasites hybridus, Russian name Belokopytnik) near Slavyanka River in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, May 12, 2021
 Close-up of flower of butterbur (Petasites hybridus, Russian name Belokopytnik) near Slavyanka River in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, May 12, 2021
 Cranberry (Oxycoccus palustris, Vaccinium oxycoccos, Russian name Kliukva) in Duplianskoe Marsh south from Sluditsy, Leningrad Region, Russia, August 23, 2013
 Fruits of cranberry (Oxycoccus palustris, Vaccinium oxycoccos, Russian name Kliukva) in Duplianskoe Marsh south from Sluditsy, Leningrad Region, Russia, August 23, 2013
 Berries of cranberry (Oxycoccus palustris, Vaccinium oxycoccos, Russian name Kliukva) in Duplianskoe Marsh south from Sluditsy, Leningrad Region, Russia, August 23, 2013
 Red berries of cranberry (Oxycoccus palustris, Vaccinium oxycoccos, Russian name Kliukva) in Duplianskoe Marsh south from Sluditsy, Leningrad Region, Russia, August 23, 2013
 Marsh gilliflower (Ragged Robin, Coccyganthe flos-cuculi, Russian name Kukushkin Tsvet) on a meadow in Pavlovsk Park, south from Saint Petersburg, Russia, June 23, 2010
 Flower of marsh lousewort (red-rattle, Pedicularis palustris, Russian name mytnik) on southern side of Monastyrsky Island, on Valaam Island. Karelia Region, Russia, July 23, 2015
 Flower spike of marsh orchid near Oredezh River in Siverskaya, 50 miles south from Saint Petersburg. Russia, June 15, 2014
 Hoverfly on a hawkweed flower in Posiolok near Vyritsa, south from Saint Petersburg, Russia, July 9, 2017
 Flower of Marsh Hedgenettle (Stachys palustris) on roadside in fields west from Deviatkino, 1 mile north from Saint Petersburg. Russia, July 26, 2012
 Flower of Orchis maculata (Russian name Yatryshnik) in a marsh near Vetrenoye Lake south from Sosnovo, 45 miles north from Saint Petersburg. Russia, July 5, 2003
 Hoverfly (Syrphidae, Russian name Zhurchalka) on St. John s Wort (Hypericum perforatum) near Zapliusye in Pskov Region south from Saint Petersburg, Russia, June 27, 2010
 Black Bridge of Slavyanka River in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, June 21, 2017
 Mushrooms Sphagnurus paluster (Tephrocybe palustris) on black background near Orekhovo, north from Saint Petersburg. Russia, May 31, 2019
 Common yellow spring flower of coltsfoot (Tussilago farfara, Russian name Mat I Machekha) in Sablino, south from Saint Petersburg. Russia, May 21, 2011
 Forget-me-not flowers (Myosotis palustris, Russian name Nezabudka) near Zapliusye in Pskov Region south from Saint Petersburg, Russia, June 27, 2010
 Cranberry (Oxycoccus palustris, Vaccinium oxycoccos, Russian name Kliukva) near Vyritsa, 50 miles south from Saint Petersburg. Russia, September 10, 2017
 Yellow flowers of Dark Mullein (Verbascum nigrum, Russian name Koroviak) near Oredezh River near Kezevo. Siverskaya south from Saint Petersburg, Russia, July 20, 2015
 Cranberry (Oxycoccus palustris, Vaccinium oxycoccos, Russian name Kliukva) in a swamp near Vyritsa, 50 miles south from Saint Petersburg. Russia, September 10, 2017
 Cranberry (Oxycoccus palustris, Vaccinium oxycoccos, Russian name Kliukva) in moss near Vyritsa, 50 miles south from Saint Petersburg. Russia, September 10, 2017
 Shoots of meadowsweet (Filipendula ulmaria, Russian name Tavolga) in Tiarlevo near Slavyanka River in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, May 18, 2015
 Cranberry (Oxycoccus palustris, Vaccinium oxycoccos, Russian name Kliukva) on a forest cutting near Vyritsa, 50 miles south from Saint Petersburg. Russia, September 10, 2017
 Flower of butterbur (Petasites hybridus, Russian name Belokopytnik) in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, May 18, 2015
 Flower buds of butterbur (Petasites hybridus, Russian name Belokopytnik) in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, May 12, 2021
 Flower of wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, May 18, 2015
 Meadow flower of Yellow Rattle (Cockscomb, Rhinanthus minor, Russian name Pogremok) near Zapliusye in Pskov Region south from Saint Petersburg, Russia, June 27, 2010
 Canyon of Tosna River near Sablino, south from Saint Petersburg. Russia, May 21, 2011
 Wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, May 16, 2019
 Common dandelion (Taraxacum officinale, Russian name Oduvanchik) in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, May 16, 2019
 Slavianka River in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, May 16, 2019
 An oak near Slavianka River in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, May 16, 2019
 Valley of Slavianka River in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, May 16, 2019
 Valley of Slavianka River in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, May 16, 2019
 Oak tree near Slavianka River in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, May 16, 2019
 End of World Pillar from Slavianka River in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, May 16, 2019
 Viskontiev Bridge and Slavianka River in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, May 16, 2019
 Oak tree in Valley of Slavianka River in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, May 16, 2019
 White flowers of wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, May 16, 2019
 Slavianka River near Novaya Sylvia Bridge in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, May 16, 2019
 Krasnaya Dolina (Red Valley) near Slavianka River in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, May 16, 2019
 Valley of Slavianka River near Pilbashenny Bridge in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, May 16, 2019
 Hoverfly (Syrphidae, Russian name Zhurchalka) west from Deviatkino. Saint Petersburg, Russia, July 20, 2012
 Valley of Slavianka River near Novaya Sylvia Bridge in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, May 16, 2019
 Hoverfly (Syrphidae, Russian name Zhurchalka) in fields west from Deviatkino. Saint Petersburg, Russia, July 20, 2012
 Valley of Slavianka River from observation site of Novaya Sylvia in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, May 16, 2019
 Marsh Hedgenettle (Stachys palustris) on a beach near Sestroretsk. West from Saint Petersburg, Russia, July 20, 2012
 Yellow lady slipper orchid (Cypripedium calceolus) in a canyon of Lava River. Zhikharevo, east from Saint Petersburg, Russia, June 4, 2011
 Small violet (Viola) flower in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, May 16, 2019
 Marsh lousewort (red-rattle, Pedicularis palustris, Russian name mytnik) on southern side of Monastyrsky Island, on Valaam Island. Karelia Region, Russia, July 23, 2015
 Hoverfly (Syrphidae, Russian name Zhurchalka) on roadside flowers west from Deviatkino. Saint Petersburg, Russia, July 20, 2012
 Marsh orchid near Oredezh River in Siverskaya, 50 miles south from Saint Petersburg. Russia, June 15, 2014
 Common blue violet (Viola) flower in a forest in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, May 16, 2019
 South corner of Rozovopavilionny Pond in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, May 16, 2019
 Flowers of marsh orchid near Oredezh River in Siverskaya, 50 miles south from Saint Petersburg. Russia, June 15, 2014
 Inflorescence of marsh orchid near Oredezh River in Siverskaya, 50 miles south from Saint Petersburg. Russia, June 15, 2014
 Flower spike of marsh fragrant orchid (Gymnadenia conopsea, Russian name Kokushnik) on roadside in Yuntolovsky Park. Saint Petersburg, Russia, July 7, 2017
 Close up of flowers of marsh orchid near Oredezh River in Siverskaya, 50 miles south from Saint Petersburg. Russia, June 15, 2014
 Hoverfly (Syrphidae) on yellow aster in fields west from Deviatkino, 1 mile north from Saint Petersburg. Russia, July 26, 2012
 Hoverfly on an orange flower in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, August 22, 2013
 Flowers of Marsh Gentian (Gentiana pneumonanthe) in fields near Sablinka River in Sablino, 30 miles south from Saint Petersburg. Russia, July 29, 2012
 Yellow eastern pasque flower (Pulsatilla flavescens, wind flower, meadow anemone, prostrel or son trava in Russian) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 21, 2015
 Yellow eastern pasque flower (Pulsatilla flavescens, wind flower, meadow anemone, prostrel or son trava in Russian) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 10, 2016
 Yellow eastern pasque flower (Pulsatilla flavescens, wind flower, meadow anemone, prostrel or son trava in Russian) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 15, 2015
 Yellow eastern pasque flower (Pulsatilla flavescens, wind flower, meadow anemone, prostrel or son trava in Russian) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 10, 2016
 Yellow eastern pasque flower (Pulsatilla flavescens, wind flower, meadow anemone, prostrel or son trava in Russian) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 14, 2011
 Slavyanka River in Pavlovsk Park, south from Saint Petersburg. Russia, May 24, 2011
 Close up of yellow eastern pasque flower (Pulsatilla flavescens, wind flower, meadow anemone, prostrel or son trava in Russian) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 10, 2016
 Blooming yellow eastern pasque flower (Pulsatilla flavescens, wind flower, meadow anemone, prostrel or son trava in Russian) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 10, 2016
 Blooming yellow eastern pasque flower (Pulsatilla flavescens, wind flower, meadow anemone, prostrel or son trava in Russian) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 10, 2016
 Close up of yellow eastern pasque flower (Pulsatilla flavescens, wind flower, meadow anemone, prostrel or son trava in Russian) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 10, 2016
 Banks of Slavyanka River in Pavlovsk Park, south from Saint Petersburg. Russia, May 24, 2011
 Meadows along Slavyanka River in Pavlovsk Park, south from Saint Petersburg. Russia, May 24, 2011
 Slavianka River in Pavlovsk Park. South from Saint Petersburg, Russia, July 21, 2012
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