 Young leaf of mountain ash (Sorbus aucuparia, Russian name Ryabina) in Sosnovka Park. Saint Petersburg, Russia, May 20, 2017
 Close up of a young leaf of mountain ash (Sorbus aucuparia, Russian name Ryabina) in Sosnovka Park. Saint Petersburg, Russia, May 20, 2017
 Fresh leaves of mountain ash (Sorbus aucuparia, Russian name Ryabina) in Sosnovka Park. Saint Petersburg, Russia, May 20, 2017
 Young leaf of mountain ash (Sorbus aucuparia, Russian name Ryabina) in Pavlovsk Park, suburb of Saint Petersburg. Russia, May 15, 2011
 Young silvery leaf of mountain ash (Sorbus aucuparia, Russian name Ryabina) in Pavlovsk Park, suburb of Saint Petersburg. Russia, May 15, 2011
 Back lit leaves of mountain ash (Sorbus aucuparia, Russian name Ryabina) near Kavgolovskoe Lake in Toksovo, a suburb of Saint Petersburg, Russia, May 19, 2015
 Fly on a leaf of mountain ash (Sorbus aucuparia, Russian name Ryabina) near Kavgolovskoe Lake in Toksovo, a suburb of Saint Petersburg, Russia, May 19, 2015
 Young silvery leaves of mountain ash (Sorbus aucuparia, Russian name Ryabina) in Pavlovsk Park, suburb of Saint Petersburg. Russia, May 15, 2011
 Young leaves of mountain ash (Sorbus aucuparia, Russian name Ryabina) near Kavgolovskoe Lake in Toksovo, a suburb of Saint Petersburg, Russia, May 19, 2015
 Fruits of Mountain Ash (Sorbus aucuparia, Ryabina in Russian) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, August 22, 2013
 Blooming Mountain Ash (rowan tree, Sorbus aucuparia, Russian name Ryabina) in Lembolovo, 40 miles north from Saint Petersburg. Russia, June 12, 2009
 Flower buds of Mountain Ash (Sorbus aucuparia, Ryabina) in Orekhovo, north from Saint Petersburg. Russia, June 5, 2014
 Close up of Mountain Ash (Sorbus aucuparia, Ryabina) flowers in Lembolovo, 40 miles north from Saint Petersburg. Russia, June 12, 2009
 Orange berries of Mountain Ash (Sorbus aucuparia, Ryabina) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, August 22, 2013
 Rowan berries on mountain ash (Sorbus aucuparia) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, August 13, 2012
 Back lit leaf of black chokeberry (Aronia melanocarpa) in Sosnovka Park in Saint Petersburg. Russia, May 31, 2011
 Back lit flower of cloudberry (Rubus chamaemorus, Moroshka in Russian) in Sosnovka Park in Saint Petersburg. Russia, May 31, 2011
 Green paint on a cut branch of mountain ash tree in Sosnovka Park. Saint Petersburg, Russia, March 23, 2017
 Back lit leaf of raspberry (Rubus odoratus, Rubacer odoratum, Russian name Malinoklion) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 10, 2016
 Hazel bracket fungus (Skeletocutis nivea)(?) on a dry mountain ash tree in Sosnovka Park. Saint Petersburg, Russia, August 14, 2017
 Ochre Bracket mushrooms (Trametes ochracea)(?) on a stump of mountain ash in Sosnovka Park. Saint Petersburg, Russia, April 8, 2017
 Wrinkled crust fungus (Phlebia radiata mushroom) on a mountain ash tree in Sosnovka Park. Saint Petersburg, Russia, February 14, 2017
 Ochre Bracket mushrooms (Trametes ochracea)(?) collected from a stump of mountain ash in Sosnovka Park. Saint Petersburg, Russia, April 8, 2017
 The Greasy bracket polypore mushrooms (Aurantiporus fissilis)(?) on a mountain ash tree in Sosnovka Park. Saint Petersburg, Russia, July 16, 2017
 Back lit flower of Water avens (Geum rivale, Russian name Gravilat) in Udelny Park. Saint Petersburg, Russia, June 8, 2017
 Back lit wrinkled leaf in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 22, 2017
 Texture of wrinkled crust fungus (Phlebia radiata mushroom) on a mountain ash tree in Sosnovka Park. Saint Petersburg, Russia, February 17, 2017
 White poroid mushrooms of hazel bracket (Skeletocutis nivea)(?) on a dry mountain ash tree in Sosnovka Park. Saint Petersburg, Russia, August 14, 2017
 Common inkcap (inky cap) mushrooms Coprinopsis atramentaria at the base of mountain ash(?) tree in Sosnovka Park. Saint Petersburg, Russia, July 30, 2017
 Chokeberry (Aronia melanocarpa, Russian name Chornaya Ryabina) near a lake in Orekhovo, north from Saint Petersburg. Russia, June 5, 2014
 Tar rot fungus (Rhytisma acerinum) on a maple leaf taken from Sosnovka Park. Saint Petersburg, Russia, March 23, 2017
 Back lit Bauhinia leaf in greenhouses of Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, February 23, 2017
 Silver leaf fungus (Chondrostereum purpureum mushrooms) in Sosnovka Park. Saint Petersburg, Russia, March 13, 2017
 Red velvety patches on a birch leaf caused by the eriophyid mite in Sosnovka Park. Saint Petersburg, Russia, June 29, 2017
 Red velvety patches on a birch leaf (velvet erineum galls) in Sosnovka Park. Saint Petersburg, Russia, June 29, 2017
 Leaf parachute mushrooms (Marasmius epiphyllus) on a maple leaf taken from Sosnovka Park. Saint Petersburg, Russia, October 31, 2016
 Leaf parachute mushrooms (Marasmius epiphyllus) on a rotten leaf of birch taken from Sosnovka Park. Saint Petersburg, Russia, October 31, 2016
 Cottongrass (Eriophorum vaginatum, Russian name Pushitsa) taken from Sosnovka Park. Saint Petersburg, Russia, April 26, 2017
 Wild strawberry (Fragaria, Russian name Zemlianika) in Sosnovka Park. Saint Petersburg, Russia, June 25, 2017
 Wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Sosnovka Park. Saint Petersburg, Russia, May 20, 2017
 Wood sorrel (Oxalis acetosella, Russian name Kislitsa) in flower in Sosnovka Park. Saint Petersburg, Russia, May 20, 2017
 Wood sorrel (Oxalis acetosella, Russian name Kislitsa) with flowers in Sosnovka Park. Saint Petersburg, Russia, May 20, 2017
 Flowers of wild strawberry (Fragaria, Russian name Zemlianika) in Sosnovka Park. Saint Petersburg, Russia, June 25, 2017
 Flower of wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Sosnovka Park. Saint Petersburg, Russia, May 20, 2017
 Blooming wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Sosnovka Park. Saint Petersburg, Russia, May 20, 2017
 Red velvety patches on a birch leaf caused by the velvet erineum gall eriophyid mite in Sosnovka Park. Saint Petersburg, Russia, June 29, 2017
 Velvety patches on a birch leaf caused by the velvet erineum gall eriophyid mite in Sosnovka Park. Saint Petersburg, Russia, August 21, 2017
 White flowers of wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Sosnovka Park. Saint Petersburg, Russia, May 20, 2017
 Fir clubmoss (Huperzia selago, Russian name Baranets) in swampy area of Sosnovka Park. Saint Petersburg, Russia, March 23, 2017
 Carpet of flowers of wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Sosnovka Park. Saint Petersburg, Russia, May 20, 2017
 Grass species mountain melick (Melica nutans, Russian name Perlovnik) near the Gulf in area of Lisiy Nos, west from Saint Petersburg. Russia, June 12, 2017
 Back lit oak leaf in Pavlovsk Park. South from Saint Petersburg, Russia, July 21, 2012
 Back lit heart shaped leaf in Pavlovsk Park. South from Saint Petersburg, Russia, July 21, 2012
 Birch and mountain ash trees in Sosnovka Park. Saint Petersburg, Russia, May 31, 2009
 Bog Rosemary (Andromeda polifolia, Andromeda glaucophylla, Russian name Podbel) in Sosnovka Park. Saint Petersburg, Russia, June 2, 2017
 Flower buds of Bog Rosemary (Andromeda polifolia, Andromeda glaucophylla, Russian name Podbel) in Sosnovka Park. Saint Petersburg, Russia, June 2, 2017
 Back lit birch forest with blueberry bushes in Sosnovka Park. Saint Petersburg, Russia, May 30, 2009
 Flowers of Bog Rosemary (Andromeda polifolia, Andromeda glaucophylla, Russian name Podbel) and leatherleaf (Chamaedaphne calyculata) in Sosnovka Park. Saint Petersburg, Russia, June 2, 2017
 Bay bolete mushroom (Imleria badia, Boletus badius, Xerocomus badius, Russian name Polsky Grib) in Sosnovka Park. Saint Petersburg, Russia, July 24, 2017
 Rust fungus Chrysomyxa pyrolae on a leaf of shinleaf (Round-leaved Wintergreen, Pyrola rotundifolia, Russian name Grushanka) in Kuzmolovo, north from Saint Petersburg. Russia, May 16, 2017
 Fern leaf in Sosnovka Park. Saint Petersburg, Russia, October 31, 2016
 Maple leaf in Sosnovka Park. Saint Petersburg, Russia, October 31, 2016
 Back lit leaf in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 14, 2011
 Back lit caterpillar of black-veined white butterfly (Aporia crataegi) on a twig of mountain ash in Menkovo, south from Saint Petersburg. Russia, June 1, 2011
 Back lit Solomon s seal (Polygonatum odoratum, Russian name Kupena) in Dubki Park in Sestroretsk, west from Saint Petersburg. Russia, May 20, 2019
 Back lit Alternate-leaved Golden Saxifrage (Chrysosplenium alternifolium, Russian name Selezionochnik) in Pavlovsk Park, suburb of Saint Petersburg. Russia, May 15, 2011
 Back lit flower of lesser celandine (Ficaria verna, Russian name Chistyak) in Dubki Park. Sestroretsk, a suburb of Saint Petersburg, Russia, May 20, 2015
 Back lit leaf of alder in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, August 22, 2013
 Candlesnuff fungus (carbon antlers mushrooms, Xylaria hypoxylon) on a stump of swida or mountain ash in Sosnovka Park. Saint Petersburg, Russia, October 31, 2016
 Leaf parachute mushrooms (Marasmius epiphyllus) taken from Sosnovka Park. Saint Petersburg, Russia, October 31, 2016
 Back lit fern leaf in greenhouses of Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, January 5, 2016
 Back lit leaf of Red Stem Dogwood (Cornus stolonifera) near Lembolovo, 45 miles north from Saint Petersburg. Russia, August 27, 2013
 Back lit leaf of Grey Alder (Alnus incana) in fields west from Deviatkino. Saint Petersburg, Russia, August 15, 2012
 Back side of a fern leaf in greenhouses of Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, January 5, 2016
 Underside of a leaf with coltsfoot rust gall fungus, Puccinia poarum, in Sosnovka Park. Saint Petersburg, Russia, May 27, 2019
 Cottongrass (Eriophorum, Pushitsa in Russian) in a swamp in Sosnovka Park in Saint Petersburg. Russia, May 31, 2011
 Back lit Stellaria flowers in Udelny Park. Saint Petersburg, Russia, June 8, 2017
 Back lit Stellaria flower in Udelny Park. Saint Petersburg, Russia, June 8, 2017
 Sundew (Drosera rotundifolia, Russian name Rosianka) in Sosnovka Park, Saint Petersburg, Russia, June 28, 2010
 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
 Arctic starflower (Trientalis europaea, Russian name Sedmichnik) in Sosnovka Park. Saint Petersburg, Russia, May 28, 2009
 Cloudberry (Rubus chamaemorus, Moroshka in Russian) in Sosnovka Park. Saint Petersburg, Russia, July 11, 2016
 Cloudberry (Rubus chamaemorus, Moroshka in Russian) in Sosnovka Park. Saint Petersburg, Russia, July 25, 2015
 Wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Sosnovka Park. Saint Petersburg, Russia, May 10, 2016
 Oyster mushrooms (Pleurotus pulmonarius, Russian name Veshenka) in Sosnovka Park. Saint Petersburg, Russia, July 23, 2016
 Blooming blueberry (bilberry, Vaccinium myrtillus, Russian name Chernika) in Sosnovka Park. Saint Petersburg, Russia, May 22, 2011
 Cottongrass (Eriophorum vaginatum, Russian name Pushitsa) in swampy area of Sosnovka Park. Saint Petersburg, Russia, May 26, 2014
 Flowers of ground ivy (Glechoma hederacea, Russian name Burda pliushchevaya) in Sosnovka Park in Saint Petersburg. Russia, May 31, 2011
 Swamp loosestrife (Naumburgia thyrsiflora, Russian name Kizliak) in Sosnovka Park. Saint Petersburg, Russia, June 28, 2011
 Oyster mushrooms (Pleurotus ostreatus, Russian name Veshenka) in Sosnovka Park. Saint Petersburg, Russia, November 25, 2016
 Stinging nettle (Urtica dioica, Russian name Krapiva) in Sosnovka Park. Saint Petersburg, Russia, July 25, 2015
 Oyster mushrooms (Pleurotus pulmonarius, Russian name Veshenka) in Sosnovka Park. Saint Petersburg, Russia, September 13, 2016
 Marasmioid mushrooms Mycetinis scorodonius (Russian name Chesnochnik) in Sosnovka Park. Saint Petersburg, Russia, August 8, 2016
 Flowers of blueberry (bilberry, Vaccinium myrtillus, Russian name Chernika) in Sosnovka Park. Saint Petersburg, Russia, May 22, 2011
 Flowers of wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Sosnovka Park. Saint Petersburg, Russia, May 10, 2016
 Oyster mushrooms (Pleurotus ostreatus, Russian name Veshenka) in Sosnovka Park. Saint Petersburg, Russia, December 31, 2016
 Blooming wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Sosnovka Park. Saint Petersburg, Russia, May 10, 2016
 Arctic starflower (Trientalis europaea, Russian name Sedmichnik) in Sosnovka Park in Saint Petersburg. Russia, June 24, 2010
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