 Rust fungus Chrysomyxa pyrolae on shinleaf (Round-leaved Wintergreen, Pyrola rotundifolia) in area of Dibuny - Pesochny, near Saint Petersburg. Russia, June 3, 2017
 Close up of rust fungus Chrysomyxa pyrolae on shinleaf (Round-leaved Wintergreen, Pyrola rotundifolia) in area of Dibuny - Pesochny, near Saint Petersburg. Russia, June 3, 2017
 Rust fungus Chrysomyxa pyrolae on the underside of leaves of shinleaf (Round-leaved Wintergreen, Pyrola rotundifolia) in area of Dibuny - Pesochny, near Saint Petersburg. Russia, June 3, 2017
 Rust fungus Chrysomyxa pyrolae on shinleaf (Round-leaved Wintergreen, Pyrola rotundifolia) on Lenin Trail in area of Razliv near Dibuny, north-west from Saint Petersburg, Russia, May 11, 2019
 Rust fungus Chrysomyxa pyrolae on the underside of leaves of shinleaf (Round-leaved Wintergreen, Pyrola rotundifolia) on Lenin Trail in area of Razliv near Dibuny, north-west from Saint Petersburg, Russia, May 11, 2019
 Rust fungus Chrysomyxa pyrolae on underside of a leaf of shinleaf (Pyrola rotundifolia) in Kuzmolovo, north from Saint Petersburg. Russia, May 21, 2021
 Shinleaf (Round-leaved Wintergreen, Pyrola rotundifolia, Russian name Grushanka) west from Toksovo, 10 miles north from Saint Petersburg, Russia, June 24, 2009
 Shinleaf (Round-leaved Wintergreen, Pyrola rotundifolia, Russian name Grushanka) north from Lembolovo, north from Saint Petersburg, Russia, June 30, 2010
 Rust fungus Chrysomyxa pyrolae on shinleaf (Pyrola rotundifolia) in Kuzmolovo, north from Saint Petersburg. Russia, May 21, 2021
 Leaves of shinleaf (Round-leaved Wintergreen, Pyrola rotundifolia, Russian name Grushanka) on roadside near Kavgolovskoe Lake in Toksovo, north from Saint Petersburg. Russia, August 15, 2016
 Flowers of Shinleaf (Round-leaved Wintergreen, Pyrola rotundifolia) east from Kuzmolovo, north from Saint Petersburg. Russia, June 8, 2014
 Buds of Shinleaf (Round-leaved Wintergreen, Pyrola rotundifolia) east from Kuzmolovo, north from Saint Petersburg. Russia, June 8, 2014
 Texture of rust fungus Chrysomyxa pyrolae on a leaf of shinleaf taken from old railroad path in Kuzmolovo, north from Saint Petersburg. Russia, May 16, 2017
 Rust fungus Chrysomyxa pyrolae underside of a leaf of shinleaf taken from old railroad path in Kuzmolovo, north from Saint Petersburg. Russia, May 16, 2017
 Rust fungus Chrysomyxa pyrolae on a lower leaf surface of shinleaf taken from old railroad path in Kuzmolovo, north from Saint Petersburg. Russia, May 16, 2017
 Rust fungus Chrysomyxa pyrolae on lower surface of a leaf of shinleaf near Kuzmolovo, north from Saint Petersburg. Russia, May 8, 2019
 Shinleaf (Round-leaved Wintergreen, Pyrola rotundifolia) in Posiolok, 45 miles south from Saint Petersburg. Russia, June 23, 2011
 Rust fungus Chrysomyxa pyrolae on lower surface of a leaf of shinleaf near Dibuny, north-west from Saint Petersburg, Russia, May 29, 2017
 Harebell (Round-leaved Bellflower, Campanula rotundifolia) east from Toksovo, 10 miles north from Saint Petersburg. Russia, July 9, 2009
 Harebell (Round-leaved Bellflower, Campanula rotundifolia, bluebells, local name Kolokolchik) along railroad in Lembolovo, north from Saint Petersburg, Russia, June 30, 2010
 Harebell (Round-leaved Bellflower, Campanula rotundifolia, local name Kolokolchik) in fields west from Deviatkino. Saint Petersburg, Russia, June 29, 2011
 Fir-oak-fern rust (Hyalopsora aspidiotus) fungus on a leaf of northern oak fern Gymnocarpium dryopteris near Kavgolovskoe Lake in Toksovo, north from Saint Petersburg. Russia, July 14, 2017
 Silver leaf fungus (Chondrostereum purpureum mushrooms) near Kuzmolovo, north from Saint Petersburg. Russia, May 8, 2019
 Slime mold Physarum virescens on a rotting leaf in Kuzmolovo, north from Saint Petersburg. Russia, July 26, 2017
 Small mushrooms Phaeohelotium epiphyllum (Hymenoscyphus epiphyllus) on a rotten leaf near Kuzmolovo, north from Saint Petersburg. Russia, September 24, 2017
 Sundew (Drosera rotundifolia, Russian name Rosianka) near Vyritsa, 50 miles south from Saint Petersburg. Russia, September 10, 2017
 Sundew (Drosera rotundifolia, Russian name Rosianka) near Orekhovo, north from Saint Petersburg. Russia, May 31, 2019
 Bay cup fungus (Peziza badia) in Kuzmolovo, north from Saint Petersburg. Russia, July 26, 2017
 Sundew (Drosera rotundifolia, Russian name Rosianka) on sphagnum moss near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024
 Underside of a leaf with coltsfoot rust gall fungus, Puccinia poarum, in Sosnovka Park. Saint Petersburg, Russia, May 27, 2019
 Crust fungus Radulomyces confluens near Kuzmolovo, north from Saint Petersburg. Russia, September 24, 2017
 Wet rot fungus (Coniophora puteana) on a rotten log near Kuzmolovo, north from Saint Petersburg. Russia, September 3, 2017
 Crust fungus Radulomyces confluens near Kuzmolovo, north from Saint Petersburg. Russia, September 24, 2017
 Leaves of sundew (Drosera rotundifolia, Russian name Rosianka) on sphagnum moss near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024
 Rusty underside of a leaf of northern oak fern Gymnocarpium dryopteris affected by a fungal disease fir-oak-fern rust (Hyalopsora aspidiotus) near Kavgolovskoe Lake in Toksovo, north from Saint Petersburg. Russia, July 14, 2017
 Wet rot (Coniophora puteana) corticioid fungus on a rotten log near Kuzmolovo, north from Saint Petersburg. Russia, September 3, 2017
 Gall-forming fungus Nodulisporium cecidiogenes near Kuzmolovo, north from Saint Petersburg. Russia, September 24, 2017
 Fringe of crust fungus Radulomyces confluens near Kuzmolovo, north from Saint Petersburg. Russia, September 24, 2017
 Bay cup fungus (Peziza badia) in a pine forest in Kuzmolovo, north from Saint Petersburg. Russia, July 26, 2017
 Orange timber fungus Pseudomerulius aureus on a wet log near Kuzmolovo, north from Saint Petersburg. Russia, September 3, 2017
 Some yellowish corticioid fungus on a log on an old railroad path near Kuzmolovo, north from Saint Petersburg. Russia, August 10, 2017
 Alternate-leaved Golden Saxifrage (Chrysosplenium alternifolium, Russian name Selezionochnik) in Lisiy Nos, west from Saint Petersburg. Russia, May 9, 2017
 Corticioid fungus Steccherinum fimbriatum on a log on an old railroad path near Kuzmolovo, north from Saint Petersburg. Russia, August 10, 2017
 Green wood cup fungus (Chlorociboria aeruginascens) on a rotten log near Kuzmolovo, north from Saint Petersburg. Russia, September 3, 2017
 Red leaves of sundew (Drosera rotundifolia, Russian name Rosianka) with dead flies on sphagnum moss near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024
 Gall-forming fungus Nodulisporium cecidiogenes on rotten wood near Kuzmolovo, north from Saint Petersburg. Russia, September 24, 2017
 Gall-forming fungus Nodulisporium cecidiogenes near old railrod tracks near Kuzmolovo, north from Saint Petersburg. Russia, September 24, 2017
 Candelabra coral fungus (Artomyces pyxidatus) on an old railroad path near Kuzmolovo, north from Saint Petersburg. Russia, July 26, 2017
 Lemon disco fungus (Bisporella citrina) on a log on an old railroad path near Kuzmolovo, north from Saint Petersburg. Russia, August 10, 2017
 Gelatinous green porecrust fungus (Gloeoporus pannocinctus) on a rotten log near Kuzmolovo, north from Saint Petersburg. Russia, September 3, 2017
 Sundew (Drosera rotundifolia, Russian name Rosianka) on sphagnum moss near Maloe Krasnopiorskoe Lake in Zakhodskoe, 50 miles north from Saint Petersburg. Russia, July 22, 2024
 Coltsfoot lower epidermis with rust (coltsfoot rust gall, Puccinia poarum) in Petiayarvi, north from Saint Petersburg. Russia, July 21, 2017
 Immature gelatinous green porecrust fungus (Gloeoporus pannocinctus) on rotten log near Kuzmolovo, north from Saint Petersburg. Russia, September 3, 2017
 Frost pattern of corticioid fungus Steccherinum fimbriatum on a log on an old railroad path near Kuzmolovo, north from Saint Petersburg. Russia, August 10, 2017
 Alternate-leaved Golden Saxifrage (Chrysosplenium alternifolium, Russian name Selezionochnik) on Angliyskaya Alley in Lomonosov (Oranienbaum). West from Saint Petersburg, Russia, May 23, 2017
 Sundew (Drosera rotundifolia) and black crowberry (Empetrum nigrum, Russian name vodianika or shiksha) on sphagnum moss near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024
 Leaf venation east from Kuzmolovo, 7 miles north from Saint Petersburg. Russia, June 22, 2011
 Resupinate polypore fungus Xylodon raduloides (Hyphodontia radula) on a log on an old railroad path near Kuzmolovo, north from Saint Petersburg. Russia, August 10, 2017
 Yellow weeds Alternate-leaved Golden Saxifrage (Chrysosplenium alternifolium, Russian name Selezionochnik) in area of Posiolok near Vyritsa, south from Saint Petersburg, Russia, May 1, 2017
 Skipper butterfly on a leaf east from Kuzmolovo, 7 miles north from Saint Petersburg. Russia, June 22, 2011
 Close up of immature stage of gelatinous green porecrust fungus (Gloeoporus pannocinctus) on rotten log near Kuzmolovo, north from Saint Petersburg. Russia, September 3, 2017
 Young stage of gelatinous green porecrust fungus (Gloeoporus pannocinctus) on rotten wood near Kuzmolovo, north from Saint Petersburg. Russia, September 3, 2017
 Pyrola flowers and a spikelet near Dibuny, west from Saint Petersburg. Russia, June 27, 2017
 Alternate-leaved Golden Saxifrage (Chrysosplenium alternifolium, Russian name Selezionochnik) in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, May 10, 2017
 Reticulating pattern of resupinate polypore fungus Xylodon raduloides (Hyphodontia radula) on a log on an old railroad path near Kuzmolovo, north from Saint Petersburg. Russia, August 10, 2017
 Resupinate polypore fungus Xylodon raduloides (Hyphodontia radula) with spiny and warty pores on a log on an old railroad path near Kuzmolovo, north from Saint Petersburg. Russia, August 10, 2017
 Alternate-leaved Golden Saxifrage (Chrysosplenium alternifolium, Russian name Selezionochnik) on Angliyskaya Alley in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, May 24, 2017
 Pink flowers of narrow-leaved everlasting-pea (Lathyrus sylvestris, Russian name Cheena) in Petiayarvi, north from Saint Petersburg. Russia, July 17, 2015
 Old leafy brain fungus (Phaeotremella foliacea, Tremella foliacea) on a log on an old railroad path in Kuzmolovo, north from Saint Petersburg. Russia, July 26, 2017
 Sundew (Drosera rotundifolia, Russian name Rosianka) in Sosnovka Park, Saint Petersburg, Russia, June 28, 2010
 Flowers of alternate-leaved Golden Saxifrage (Chrysosplenium alternifolium, Russian name Selezionochnik) on Angliyskaya Alley in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, May 24, 2017
 Close up of alternate-leaved Golden Saxifrage (Chrysosplenium alternifolium, Russian name Selezionochnik) on Angliyskaya Alley in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, May 24, 2017
 Celery-leaved buttercup (Ranunculus sceleratus, Russian name Liutik) in reeds on a beach in Sestroretsk, north-west from Saint Petersburg. Russia, July 8, 2016
 Back lit leaf 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 Sosnovka Park. Saint Petersburg, Russia, May 20, 2017
 Forget-me-not flowers (Russian name Nezabudka) east from Kuzmolovo, north from Saint Petersburg. Russia, June 8, 2014
 Felt saddle mushrooms (Helvella macropus) with saddle s child mold fungus (Hypomyces cervinus) near Kuzmolovo, north from Saint Petersburg. Russia, September 3, 2017
 Close up of a young leaf of mountain ash (Sorbus aucuparia, Russian name Ryabina) in Sosnovka Park. Saint Petersburg, Russia, May 20, 2017
 Thistle rust fungus (Puccinia punctiformis) taken from area of Udelnaya. Saint Petersburg, Russia, August 11, 2017
 Sundew (Drosera rotundifolia, Russian name Rosianka) in a swamp at sunrise in Sosnovka Park, Saint Petersburg, Russia, June 28, 2010
 Sundew (Drosera rotundifolia, Russian name Rosianka) with flower buds in Sosnovka Park, Saint Petersburg, Russia, June 28, 2010
 Fungus of creeping thistle rust (Puccinia punctiformis) taken from area of Udelnaya. Saint Petersburg, Russia, August 11, 2017
 Dead-nettle (Lamium, Russian name Glukhaya Krapiva) east from Kuzmolovo, north from Saint Petersburg. Russia, June 8, 2014
 Flower of wild strawberry (Russian name Zemlianika) east from Kuzmolovo, 7 miles north from Saint Petersburg. Russia, June 22, 2011
 Saprobic fungus Sarcoscypha austriaca east from Kuzmolovo, near Saint Petersburg. Russia, April 25, 2017
 Rust fungus Puccinia urticata on leaves of common (stinging) nettle in Sosnovka Park. Saint Petersburg, Russia, May 27, 2017
 Creeping thistle rust fungus (Puccinia punctiformis) in Siverskaya, 50 miles south from Saint Petersburg. Russia, July 13, 2017
 Fungus of creeping thistle rust (Puccinia punctiformis) in Siverskaya, 50 miles south from Saint Petersburg. Russia, July 13, 2017
 False Lily-of-the-valley (Maianthemum bifolium, Russian name Maynik) in Kuzmolovo, 10 miles north from Saint Petersburg. Russia, June 11, 2011
 Early fruit of wild strawberry (Russian name Zemlianika) east from Kuzmolovo, 7 miles north from Saint Petersburg. Russia, June 22, 2011
 Flower of Water Avens (Geum rivale, Russian name Gravilat) east from Kuzmolovo, north from Saint Petersburg. Russia, June 8, 2014
 Close up of Water Avens (Geum rivale, Russian name Gravilat) east from Kuzmolovo, north from Saint Petersburg. Russia, June 8, 2014
 Seed head of Water Avens (Geum rivale, Russian name Gravilat) east from Kuzmolovo, north from Saint Petersburg. Russia, June 8, 2014
 Ripening fruits of wild raspberry (Rubus, Russian name Malina) west from Kuzmolovo, 10 miles north from Saint Petersburg. Russia, July 23, 2012
 Black-veined white butterfly (Aporia crataegi, Russian name Boyaryshnitsa) east from Kuzmolovo, north from Saint Petersburg. Russia, June 8, 2014
 False morel mushroom (Gyromitra esculenta, Russian name Strochok) in sand on old railroad grade near Kuzmolovo, north from Saint Petersburg. Russia, May 8, 2019
 Lesser Butterfly-orchid (Platanthera bifolia, Russian name liubka) east from Kuzmolovo, 7 miles north from Saint Petersburg. Russia, June 22, 2011
 Round leaf of fern in greenhouses of Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, January 5, 2016
 Kuzmolovo Quarry north from Saint Petersburg. Russia, May 8, 2017
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