Black hoverfly Cheilosia on a yellow flower 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
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
Yellow flower of Lesser celandine (Ranunculus ficaria, Russian name Chistyak) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 14, 2011
Lesser celandine (Ranunculus ficaria, Russian name Chistyak) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 10, 2016
Flowers of lesser celandine (Ranunculus ficaria, Russian name Chistyak) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 10, 2016
Blooming lesser celandine (Ranunculus ficaria, Russian name Chistyak) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 10, 2016
Back lit flowers of lesser celandine (Ranunculus ficaria, Russian name Chistyak) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 10, 2016
Yellow flower of lesser celandine (Ficaria verna, Russian name Chistyak) in Dubki Park. Sestroretsk, a suburb of Saint Petersburg, Russia, May 20, 2015
Yellow flower of lesser celandine (Ficaria verna, Russian name Chistyak) in a roadside ditch in Dubki Park. Sestroretsk, a suburb of Saint Petersburg, Russia, May 20, 2015
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
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
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
Flower of lesser celandine (Ficaria verna, Russian name Chistyak) in Dubki Park. Sestroretsk, a suburb of Saint Petersburg, Russia, May 20, 2015
Close up of a flower of lesser celandine (Ficaria verna, Russian name Chistyak) in Dubki Park. Sestroretsk, a suburb of Saint Petersburg, Russia, May 20, 2015
Back lit flower of lesser celandine (Ficaria verna, Russian name Chistyak) in Dubki Park. Sestroretsk, a suburb of Saint Petersburg, Russia, May 20, 2015
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
Orange and red 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
Lesser celandine (Ficaria verna, Russian name Chistyak) in Dubki Park. Sestroretsk, a suburb of Saint Petersburg, Russia, May 20, 2015
Lesser celandine (Ficaria verna, Russian name Chistyak) in Dubki Park. Sestroretsk, a suburb of Saint Petersburg, Russia, May 19, 2011
Flowers of lesser celandine (Ficaria verna, Russian name Chistyak) in Dubki Park. Sestroretsk, a suburb of Saint Petersburg, Russia, May 20, 2015
Close up of Lesser celandine (Ficaria verna, Russian name Chistyak) in Dubki Park. Sestroretsk, a suburb of Saint Petersburg, Russia, May 19, 2011
Two flowers of lesser celandine (Ficaria verna, Russian name Chistyak) in Dubki Park. Sestroretsk, a suburb of Saint Petersburg, Russia, May 20, 2015
Blooming lesser celandine (Ficaria verna, Russian name Chistyak) in Dubki Park. Sestroretsk, a suburb of Saint Petersburg, Russia, May 20, 2015
Yellow flower of lesser celandine (Ficaria verna) in Dubki Park in Sestroretsk, west from Saint Petersburg. Russia, May 20, 2019
Valley of Popovka River near Grafskaya Road in area of Pyazelevo near Pavlovsk, south from Saint Petersburg. Russia, May 10, 2019
Lesser celandine (Ficaria verna) in Dubki Park in Sestroretsk, west from Saint Petersburg. Russia, May 20, 2019
Lesser celandine (Ficaria verna) in Peter the Great Botanical Garden of Komarov Botanical Institute. Saint Petersburg, Russia, May 18, 2019
Lesser celandine (Ficaria verna) and wood anemone (Anemone nemorosa) in Dubki Park in Sestroretsk, west from Saint Petersburg. Russia, May 20, 2019
Yellow flower of common dandelion (Taraxacum officinale, Russian name Oduvanchik) in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, May 16, 2019
Hoverfly (Syrphidae, Russian name Zhurchalka) on hawkweed flower in Posiolok near Vyritsa, south from Saint Petersburg, Russia, July 9, 2017
Lesser Butterfly-orchid (Platanthera bifolia, Russian name liubka) on a meadow in Pavlovsk Park, south from Saint Petersburg, Russia, June 23, 2010
Hoverfly on a flower of Wood cranesbill (Geranium sylvaticum) near Sablinka River in Sablino, 30 miles south from Saint Petersburg. Russia, July 29, 2012
Flower of lesser Butterfly-orchid (Platanthera bifolia) in Pavlovsk Park, south from Saint Petersburg, Russia, June 23, 2010
Flower of Lesser Butterfly-orchid (Platanthera bifolia, Russian name liubka) near Novinka, 50 miles south from Saint Petersburg. Russia, June 14, 2014
Slavianka River near Black Bridge in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, May 16, 2019
Details of a flower of Lesser Butterfly-orchid (Platanthera bifolia, Russian name liubka) near Novinka, 50 miles south from Saint Petersburg. Russia, June 14, 2014
Flower spike of Lesser Butterfly-orchid (Platanthera bifolia, Russian name liubka) near Novinka, 50 miles south from Saint Petersburg. Russia, June 14, 2014
Close up of a flower of Lesser Butterfly-orchid (Platanthera bifolia, Russian name liubka) near Novinka, 50 miles south from Saint Petersburg. Russia, June 14, 2014
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
Close up of a flower of buttercup (Ranunculus, Russian name Liutik) in Lembolovo, 40 miles north from Saint Petersburg. Russia, June 12, 2009
Hoverfly on a hawkweed flower in Posiolok near Vyritsa, south from Saint Petersburg, Russia, July 9, 2017
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
Lesser Butterfly-orchid (Platanthera bifolia) in Pavlovsk Park, south from Saint Petersburg, Russia, June 23, 2010
Greater celandine (tetterwort, Chelidonium majus, Russian name Chistotel) in Sablino, south from Saint Petersburg. Russia, May 25, 2017
Black Bridge of Slavyanka River in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, June 21, 2017
Lesser Butterfly-orchid (Platanthera bifolia, Russian name liubka) in Posiolok near Vyritsa, south from Saint Petersburg, Russia, July 9, 2017
Lesser Butterfly-orchid (Platanthera bifolia, Russian name liubka) near Novinka, 50 miles south from Saint Petersburg. Russia, June 14, 2014
Common yellow spring flower of coltsfoot (Tussilago farfara, Russian name Mat I Machekha) in Sablino, south from Saint Petersburg. Russia, May 21, 2011
Lesser Butterfly-orchid (Platanthera bifolia, Russian name liubka) on a meadow near Novinka, 50 miles south from Saint Petersburg. Russia, June 14, 2014
Inflorescence of Lesser Butterfly-orchid (Platanthera bifolia, Russian name liubka) near Novinka, 50 miles south from Saint Petersburg. Russia, June 14, 2014
Fly on flowers of Lesser Butterfly-orchid (Platanthera bifolia, Russian name liubka) near Novinka, 50 miles south from Saint Petersburg. Russia, June 14, 2014
Yellow flowers of Dark Mullein (Verbascum nigrum, Russian name Koroviak) near Oredezh River near Kezevo. Siverskaya south from Saint Petersburg, Russia, July 20, 2015
White flowers of Lesser Butterfly-orchid (Platanthera bifolia, Russian name liubka) near Novinka, 50 miles south from Saint Petersburg. Russia, June 14, 2014
Blooming Lesser Butterfly-orchid (Platanthera bifolia, Russian name liubka) on a meadow near Novinka, 50 miles south from Saint Petersburg. Russia, June 14, 2014
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
Flower of butterbur (Petasites hybridus, Russian name Belokopytnik) in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, May 18, 2015
Narrow species of flowers of Lesser Butterfly-orchid (Platanthera bifolia, Russian name liubka) near Novinka, 50 miles south from Saint Petersburg. Russia, June 14, 2014
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
Common dandelion (Taraxacum officinale, Russian name Oduvanchik) in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, May 16, 2019
Wood sorrel (Oxalis acetosella, Russian name Kislitsa) 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
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
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
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
Valley of Slavianka River near Pilbashenny Bridge 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
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
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
Hoverfly (Syrphidae, Russian name Zhurchalka) on roadside flowers west from Deviatkino. Saint Petersburg, Russia, July 20, 2012
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
Lesser Celandine (fig buttercup flower) near Stony Brook in Stony Brook - Millstone Watershed Main Reserve. Pennington, New Jersey, April 28, 2007
Hoverfly (Syrphidae) on yellow aster in fields west from Deviatkino, 1 mile north from Saint Petersburg. Russia, July 26, 2012
Close up of buttercup (Ranunculus, Russian name Liutik) west from Toksovo, 10 miles north from Saint Petersburg, Russia, June 24, 2009
Hoverfly on an orange flower in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, August 22, 2013
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 14, 2011
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 10, 2016
Slavyanka River in Pavlovsk Park, south from Saint Petersburg. Russia, May 24, 2011
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