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3593-10. Whitish covering of oak leaves caused by powdery mildew of oak (Erysiphe alphitoides) in Dubki (The Oaks) Park in Sestroretsk, near Saint Petersburg. Russia, August 7, 2024Similar picturesLarge thumbnails | Use small thumbnails | View as slideshow |
 Powdery mildew of oak (Erysiphe alphitoides) on oak seedlings in Dubki (The Oaks) Park in Sestroretsk, near Saint Petersburg. Russia, August 7, 2024  Oak seedlings discolored by powdery mildew of oak (Erysiphe alphitoides) in Dubki (The Oaks) Park in Sestroretsk, near Saint Petersburg. Russia, August 7, 2024  Grey brittlegill (Russula) mushrooms in Dubki (The Oaks) Park in Sestroretsk, near Saint Petersburg. Russia, August 7, 2024  Top view of a grey brittlegill (Russula) mushroom in Dubki (The Oaks) Park in Sestroretsk, near Saint Petersburg. Russia, August 7, 2024  Common earthball mushrooms (Scleroderma citrinum) in Dubki (The Oaks) Park in Sestroretsk, near Saint Petersburg. Russia, August 7, 2024  Underside of a grey brittlegill (Russula) mushroom in Dubki (The Oaks) Park in Sestroretsk, near Saint Petersburg. Russia, August 7, 2024  Coprin de Romagnesi mushrooms (Coprinopsis romagnesiana) near a big oak in Dubki (The Oaks) Park in Sestroretsk, near Saint Petersburg. Russia, August 7, 2024  Oakbug milkcap mushroom (Lactarius quietus) in Dubki (The Oaks) Park in Sestroretsk, near Saint Petersburg. Russia, August 7, 2024  Section of a common earthball mushroom (Scleroderma citrinum) in Dubki (The Oaks) Park in Sestroretsk, near Saint Petersburg. Russia, August 7, 2024  Section of an oakbug milkcap mushroom (Lactarius quietus) in Dubki (The Oaks) Park in Sestroretsk, near Saint Petersburg. Russia, August 7, 2024  Gills of oakbug milkcap mushroom (Lactarius quietus) in Dubki (The Oaks) Park in Sestroretsk, near Saint Petersburg. Russia, August 7, 2024  Mature common earthball mushrooms (Scleroderma citrinum) in Dubki (The Oaks) Park in Sestroretsk, near Saint Petersburg. Russia, August 7, 2024  Underside of Coprin de Romagnesi mushrooms (Coprinopsis romagnesiana) near an oak in Dubki (The Oaks) Park in Sestroretsk, near Saint Petersburg. Russia, August 7, 2024  Top view of oakbug milkcap mushroom (Lactarius quietus) in Dubki (The Oaks) Park in Sestroretsk, near Saint Petersburg. Russia, August 7, 2024  Chicken of the woods mushrooms (Laetiporus sulphureus) on an oak stump(?) in Dubki (The Oaks) Park in Sestroretsk, near Saint Petersburg. Russia, August 7, 2024  Close-up of section of a common earthball mushroom (Scleroderma citrinum) in Dubki (The Oaks) Park in Sestroretsk, near Saint Petersburg. Russia, August 7, 2024  Mature Chicken of the woods mushrooms (Laetiporus sulphureus) on a giant oak in Dubki (The Oaks) Park in Sestroretsk, near Saint Petersburg. Russia, August 7, 2024  Leaves of bur clover (Medicago polymorpha) with white spots of powdery mildew fungus Erysiphe trifoliorum(?) in Lick Creek Park. College Station, Texas, April 18, 2022  Yellow mushrooms Hypholoma sp.(?) among dry leaves in Dubki (Oaks) Park in Sestroretsk, west from Saint Petersburg. Russia, September 5, 2013  Powdery mint mildew caused by fungus Neoerysiphe galeopsidis on henbit leaves in TAMU Holistic Garden in Texas A and M University. College Station, Texas, March 27, 2021  Powdery mint mildew caused by fungus Neoerysiphe galeopsidis on henbit leaves near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 21, 2018  Bur clover (Medicago polymorpha) with white spots of powdery mildew fungus Erysiphe trifoliorum(?) on pipeline right of way in Lick Creek Park. College Station, Texas, April 18, 2022  Details of round cleistothecia(?) of powdery mildew fungus Erysiphe trifoliorum(?) under microscope, collected from bur clover in Lick Creek Park. College Station, Texas, April 18, 2022  Round cleistothecia(?) of powdery mildew fungus Erysiphe trifoliorum(?) under microscope at low magnification, collected from bur clover in Lick Creek Park. College Station, Texas, April 18, 2022  Chasmothecia with ascus and asco spores(?) of powdery mildew fungus Erysiphe trifoliorum(?) under microscope at low magnification, collected from bur clover in Lick Creek Park. College Station, Texas, April 18, 2022  Details of chasmothecia with ascus and asco spores(?) of powdery mildew fungus Erysiphe trifoliorum(?) under microscope, collected from bur clover in Lick Creek Park. College Station, Texas, April 18, 2022  Chasmothecia with ascus and asco spores (cleistothecia)(?) of powdery mildew fungus Erysiphe trifoliorum(?) under microscope at very low magnification, collected from bur clover in Lick Creek Park. College Station, Texas, April 18, 2022  Ascus and asco spores(?) inside a round chasmothecia of powdery mildew fungus Erysiphe trifoliorum(?) under microscope, collected from bur clover in Lick Creek Park. College Station, Texas, April 18, 2022  Road in Dubki (Oaks) Park in Sestroretsk, west from Saint Petersburg. Russia, September 5, 2013  Fly agaric (Amanita muscaria) mushroom in Dubki (Oaks) Park in Sestroretsk, west from Saint Petersburg. Russia, September 5, 2013  Elf caps mushrooms (Mycena inclinata) in Dubki (Oaks) Park in Sestroretsk, west from Saint Petersburg. Russia, September 5, 2013  Emerging oak leaves in Dubki Park in Sestroretsk, near Saint Petersburg. Russia, May 12, 2016  Grass with powdery mildew fungus Blumeria graminis (Erysiphe graminis) on a lawn of apartments on George Bush Drive. College Station, Texas, March 13, 2023  Young honey mushrooms Armillaria borealis(?) in Dubki (Oaks) Park in Sestroretsk, west from Saint Petersburg. Russia, September 5, 2013  Young leaves on oak trees in Dubki Park in Sestroretsk, near Saint Petersburg. Russia, May 12, 2016  Sulphur Tuft mushrooms (Hypholoma fasciculare)(?) stump in Dubki (Oaks) Park in Sestroretsk, west from Saint Petersburg. Russia, September 5, 2013  Sulphur Tuft mushrooms (Hypholoma fasciculare)(?) on a tree stump in Dubki (Oaks) Park in Sestroretsk, west from Saint Petersburg. Russia, September 5, 2013  Various types of spores of corn powdery mildew fungus Blumeria graminis (Erysiphe graminis) collected from grass on a lawn of apartments on George Bush Drive. College Station, Texas, March 13, 2023  Conidia and chasmothecia(?) of corn powdery mildew fungus Blumeria graminis (Erysiphe graminis) collected from grass on a lawn of apartments on George Bush Drive. College Station, Texas, March 13, 2023  Spores of corn powdery mildew fungus Blumeria graminis (Erysiphe graminis) in Melzer, collected from grass on a lawn of apartments on George Bush Drive. College Station, Texas, March 13, 2023  Spores (conidia?) of corn powdery mildew fungus Blumeria graminis (Erysiphe graminis) collected from grass on a lawn of apartments on George Bush Drive. College Station, Texas, March 13, 2023  Spores and chasmothecia(?) of corn powdery mildew fungus Blumeria graminis (Erysiphe graminis) collected from grass on a lawn of apartments on George Bush Drive. College Station, Texas, March 13, 2023  Spores and conidia of corn powdery mildew fungus Blumeria graminis (Erysiphe graminis) collected from grass on a lawn of apartments on George Bush Drive. College Station, Texas, March 13, 2023  Spores and conidia of corn powdery mildew fungus Blumeria graminis (Erysiphe graminis) collected from grass on a lawn of apartments on George Bush Drive. College Station, Texas, March 13, 2023  Chain of conidia of corn powdery mildew fungus Blumeria graminis (Erysiphe graminis) collected from grass on a lawn of apartments on George Bush Drive. College Station, Texas, March 13, 2023  Spores of corn powdery mildew fungus Blumeria graminis (Erysiphe graminis) at low magnification, in lugol, collected from grass on a lawn of apartments on George Bush Drive. College Station, Texas, March 13, 2023  Spores, conidia and chasmothecia(?) of corn powdery mildew fungus Blumeria graminis (Erysiphe graminis) collected from grass on a lawn of apartments on George Bush Drive. College Station, Texas, March 13, 2023  Purple cress flowers (Cardamine) with needle like leaves in Dubki Park in Sestroretsk, west from Saint Petersburg. Russia, May 20, 2019  Spores of powdery mildew (lawn and garden fungus) Blumeria graminis (Erysiphe graminis) collected from grass on a lawn of apartments on George Bush Drive. College Station, Texas, March 13, 2023  Conidia of powdery mint mildew caused by fungus Neoerysiphe galeopsidis under microscope, from clasping henbit (henbit deadnettle, Lamium amplexicaule) collected in Bee Creek Park. College Station, Texas, March 25, 2022  Young leaves of Lily-of-the-valley (Convallaria majalis, Russian name Landysh) in Dubki Park. Sestroretsk, a suburb of Saint Petersburg, Russia, May 19, 2011  Emerging leaves of Lily-of-the-valley (Convallaria majalis, Russian name Landysh) in Dubki Park. Sestroretsk, a suburb of Saint Petersburg, Russia, May 19, 2011  Hawthorn twiglet mushrooms (Tubaria dispersa) among fallen leaves in Dubki Park in Sestroretsk, west from Saint Petersburg. Russia, October 2, 2016  Conidia of powdery mint mildew caused by fungus Neoerysiphe galeopsidis under microscope in iodine solution, from clasping henbit (henbit deadnettle, Lamium amplexicaule) collected in Bee Creek Park. College Station, Texas, March 25, 2022  Powdery mint mildew caused by fungus Neoerysiphe galeopsidis on clasping henbit (Lamium amplexicaule) in TAMU Holistic Garden in Texas A and M University. College Station, Texas, March 27, 2021  Leaves of redbay tree (Persea borbonia) with black mildew caused by fungus Meliola martiniana (Setameliola martiniana), collected 2 days before on the edge of Martin Flat in Little Thicket Nature Sanctuary near Cleveland. Texas, February 26, 2024  Clasping henbit (henbit deadnettle, Lamium amplexicaule) with powdery mint mildew caused by fungus Neoerysiphe galeopsidis in TAMU Holistic Garden in Texas A and M University. College Station, Texas, March 27, 2021  Road in Dubki Park in Sestroretsk, near Saint Petersburg. Russia, May 12, 2016  Road near a beach in Dubki Park in Sestroretsk, near Saint Petersburg. Russia, May 12, 2016  Main road in Dubki Park in Sestroretsk, near Saint Petersburg. Russia, May 12, 2016  Oak alley in Dubki Park. Sestroretsk, a suburb of Saint Petersburg, Russia, May 20, 2015  Some whitish bonnet (Mycena) mushrooms in Blizhnie Dubki area near Lisiy Nos, west from Saint Petersburg. Russia, September 11, 2017  Stitchwort (Stellaria) in Dubki Park in Sestroretsk, west from Saint Petersburg. Russia, May 20, 2019  Oak alley towards the gulf in Dubki Park. Sestroretsk, a suburb of Saint Petersburg, Russia, May 20, 2015  An oak of Dubki Park in Sestroretsk, north-west from Saint Petersburg. Russia, June 26, 2003  An oak of Dubki Park in Sestroretsk, north-west from Saint Petersburg. Russia, June 26, 2003  Oak alley of Dubki Park in Sestroretsk, west from Saint Petersburg. Russia, April 11, 2017  Forest near main road in Dubki Park in Sestroretsk, near Saint Petersburg. Russia, May 12, 2016  Fern leaf in Dubki Park in Sestroretsk, west from Saint Petersburg. Russia, May 20, 2019  Main road near a beach in Dubki Park in Sestroretsk, near Saint Petersburg. Russia, May 12, 2016  Melanoleuca(?) mushrooms near a beach in Dubki Park. Sestroretsk near Saint Petersburg, Russia, September 5, 2017  Shells of snails on a beach in Dubki Park. Sestroretsk, west from Saint Petersburg, Russia, May 31, 2014  Elk antlers shed under an oak in Dubki Park in Sestroretsk, west from Saint Petersburg. Russia, September 5, 2013  Blooming bog violet (Viola) in Dubki Park in Sestroretsk, west from Saint Petersburg. Russia, May 20, 2019  Flowers of stitchwort (Stellaria) in Dubki Park in Sestroretsk, west from Saint Petersburg. Russia, May 20, 2019  Melanoleuca strictipes mushrooms in Dubki Park. Sestroretsk, west from Saint Petersburg, Russia, May 31, 2014  Icy Gulf of Finland near near Dubki Park in Sestroretsk, west from Saint Petersburg. Russia, April 11, 2017  Clouds over Sestroretsk from a spit in Tarkhovka Park, west from Saint Petersburg. Russia, August 2, 2024  Ice crystals in Gulf of Finland near near Dubki Park in Sestroretsk, west from Saint Petersburg. Russia, April 11, 2017  Flower of dandelion (Taraxacum officinale) in Dubki Park. Sestroretsk, west from Saint Petersburg, Russia, May 31, 2014  Blooming spring violets near main road in Dubki Park in Sestroretsk, near Saint Petersburg. Russia, May 12, 2016  Opening flowers of lungwort (Pulmonaria)(?) in Dubki Park. Sestroretsk, a suburb of Saint Petersburg, Russia, May 20, 2015  Flower buds of lungwort (Pulmonaria)(?) in Dubki Park. Sestroretsk, a suburb of Saint Petersburg, Russia, May 20, 2015  Blooming anemones (Anemone nemorosa) in Dubki Park. Sestroretsk, a suburb of Saint Petersburg, Russia, May 19, 2011  Lesser celandine (Ficaria verna) in Dubki Park in Sestroretsk, west from Saint Petersburg. Russia, May 20, 2019  Deceiver mushrooms (Laccaria laccata)(?) in Dubki Park. Sestroretsk near Saint Petersburg, Russia, September 5, 2017  Violet (viola) in a roadside ditch in Dubki Park. Sestroretsk, a suburb of Saint Petersburg, Russia, May 20, 2015  White flowers of stitchwort (Stellaria) in Dubki Park in Sestroretsk, west from Saint Petersburg. Russia, May 20, 2019  Gulf of Finland and Sestroretsk from a spit in Tarkhovka Park, west from Saint Petersburg. Russia, August 2, 2024  Common earthball mushrooms (Scleroderma citrinum) in Dubki Park. Sestroretsk near Saint Petersburg, Russia, September 5, 2017  Small Hypholoma mushrooms in Dubki Park in Sestroretsk, north-west from Saint Petersburg. Russia, July 30, 2016  Accumulation of melting ice in Gulf of Finland near Dubki Park in Sestroretsk, west from Saint Petersburg. Russia, April 11, 2017  Melting ice crystals in Gulf of Finland near near Dubki Park in Sestroretsk, west from Saint Petersburg. Russia, April 11, 2017  Glistening inkcap mushrooms (Coprinellus micaceus) in Dubki Park. Sestroretsk near Saint Petersburg, Russia, September 5, 2017  Rusty bolete mushroom (Boletus ferrugineus)(?) in Dubki Park. Sestroretsk near Saint Petersburg, Russia, September 5, 2017  Melting ice crystals in Gulf of Finland near near Dubki Park in Sestroretsk, west from Saint Petersburg. Russia, April 11, 2017  Elongated ice crystals in Gulf of Finland near near Dubki Park in Sestroretsk, west from Saint Petersburg. Russia, April 11, 2017  Glittering ice crystals in Gulf of Finland near near Dubki Park in Sestroretsk, west from Saint Petersburg. Russia, April 11, 2017  Melting ice field in Gulf of Finland near near Dubki Park in Sestroretsk, west from Saint Petersburg. Russia, April 11, 2017 |