 Wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Dubki Park. Sestroretsk, a suburb of Saint Petersburg, Russia, May 19, 2011
 Wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Dubki Park. Sestroretsk, a suburb of Saint Petersburg, Russia, May 20, 2015
 Flower of wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Dubki Park. Sestroretsk, a suburb of Saint Petersburg, Russia, May 19, 2011
 Blooming wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Dubki Park. Sestroretsk, a suburb of Saint Petersburg, Russia, May 20, 2015
 Wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Sobstvennaya Dacha Park. Old Peterhof, west from Saint Petersburg, Russia, May 17, 2019
 Blooming wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Sobstvennaya Dacha Park. Old Peterhof, west from Saint Petersburg, Russia, May 17, 2019
 Flowers of wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Sobstvennaya Dacha Park. Old Peterhof, west from Saint Petersburg, Russia, May 17, 2019
 Blooming wood sorrel (Oxalis acetosella, Kislitsa in Russian) in a park of Lomonosov (Oranienbaum). West from Saint Petersburg, Russia, May 23, 2011
 Pink variety of wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Lomonosov (Oranienbaum). West from Saint Petersburg, Russia, May 23, 2017
 Wood sorrel (Oxalis acetosella, Kislitsa in Russian) carpeting a forest in Lomonosov (Oranienbaum). West from Saint Petersburg, Russia, May 23, 2011
 Pink flowers of wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Lomonosov (Oranienbaum). West from Saint Petersburg, Russia, May 23, 2017
 Pink and white flowers of wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Lomonosov (Oranienbaum). West from Saint Petersburg, Russia, May 23, 2017
 Blooming wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Upper Park in Lomonosov (Oranienbaum). West from Saint Petersburg, Russia, May 23, 2017
 White flowers of wood sorrel (Oxalis acetosella, Kislitsa in Russian) in a park of Lomonosov (Oranienbaum). West from Saint Petersburg, Russia, May 23, 2011
 White flowers of wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Upper Park in Lomonosov (Oranienbaum). West from Saint Petersburg, Russia, May 23, 2017
 Wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, May 16, 2019
 Wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Sosnovka Park. Saint Petersburg, Russia, May 10, 2016
 Wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Sosnovka Park. Saint Petersburg, Russia, May 20, 2017
 White flowers of wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, May 16, 2019
 Wood sorrel (Oxalis acetosella, Russian name Kislitsa) with flowers in Sosnovka Park. Saint Petersburg, Russia, May 20, 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
 Blooming wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Sosnovka Park. Saint Petersburg, Russia, May 10, 2016
 Flowers of wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Sosnovka Park. Saint Petersburg, Russia, May 10, 2016
 Wood sorrel (Oxalis acetosella, Russian name Kislitsa) in flower in Sosnovka Park. Saint Petersburg, Russia, May 20, 2017
 Carpet of flowers of wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Sosnovka Park. Saint Petersburg, Russia, May 20, 2017
 White flowers of wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Sosnovka Park. Saint Petersburg, Russia, May 20, 2017
 Carpet of flowers of wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Sosnovka Park. Saint Petersburg, Russia, May 10, 2016
 White flowers of wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Pavlovsk Park, suburb of Saint Petersburg. Russia, May 15, 2011
 Wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, May 18, 2015
 Flower of wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, May 18, 2015
 Leaves of wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, July 19, 2015
 Wood sorrel (Oxalis acetosella, Russian name Kislitsa) in area of Old Sylvia in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, May 18, 2015
 Blooming wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Old Sylvia in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, May 6, 2016
 Close up of wood sorrel (Oxalis acetosella, Russian name Kislitsa) in area of Old Sylvia in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, May 18, 2015
 Flowers of wood sorrel (Oxalis acetosella, Russian name Kislitsa) in area of Old Sylvia in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, May 18, 2015
 White flowers of wood sorrel (Oxalis acetosella, Russian name Kislitsa) in area of Old Sylvia in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, May 18, 2015
 Sheep s sorrel (Rumex acetosella, Russian name Shchavel) behind reeds on a beach in Sestroretsk, north-west from Saint Petersburg. Russia, July 8, 2016
 Blooming wood sorrel (Oxalis) on Angliyskaya Alley in a park of Lomonosov (Oranienbaum). West from Saint Petersburg, Russia, May 23, 2011
 Wood anemone (Anemone nemorosa) in Tarkhovka Park near Sestroretsk, west from Saint Petersburg. Russia, May 13, 2019
 Wood anemone (Anemone nemorosa) in a swamp in Tarkhovka Park near Sestroretsk, west from Saint Petersburg. Russia, May 13, 2019
 Flowers of wood anemone (Anemone nemorosa) in Tarkhovka Park near Sestroretsk, west from Saint Petersburg. Russia, May 13, 2019
 Flower of wood anemone (Anemone nemorosa) in Tarkhovka Park near Sestroretsk, west from Saint Petersburg. Russia, May 13, 2019
 Blooming wood anemone (Anemone nemorosa) in Tarkhovka Park near Sestroretsk, west from Saint Petersburg. Russia, May 13, 2019
 Violet wood sorrel (Oxalis violacea) on Lone Star Hiking Trail in Sam Houston National Forest west from Richards. Texas, April 9, 2019
 Flower of violet wood sorrel (Oxalis violacea) on Lone Star Hiking Trail in Sam Houston National Forest west from Richards. Texas, April 9, 2019
 Sand ryegrass (Leymus arenarius, Russian name Volosnets peschany) in Tarkhovka near Sestroretsk. West from Saint Petersburg, Russia, August 15, 2017
 Alder bolete mushrooms (Gyrodon lividus, Russian name Podolshanik) in Tarkhovka near Sestroretsk. West from Saint Petersburg, Russia, August 18, 2018
 Weeping Bolete mushrooms (Suillus granulatus, Russian name Maslionok) in Tarkhovka near Sestroretsk. West from Saint Petersburg, Russia, August 18, 2018
 Hydnoid resupinate fungus Hyphodontia or may be Radulomyces molaris on wet wood in Tarkhovka near Sestroretsk, west from Saint Petersburg. Russia, August 27, 2018
 Willow catkin in Tarkhovka near Sestroretsk. West from Saint Petersburg, Russia, May 13, 2019
 Some brittlegill (Psathyrella)(?) mushrooms on rotted birch wood on a forest road in Tarkhovka near Sestroretsk, west from Saint Petersburg. Russia, August 27, 2018
 Blooming goat willow in Tarkhovka near Sestroretsk. West from Saint Petersburg, Russia, May 13, 2019
 Group of brittlegill (Psathyrella)(?) mushrooms on rotted birch wood on a forest road in Tarkhovka near Sestroretsk, west from Saint Petersburg. Russia, August 27, 2018
 Fairy cap (Mycena) mushrooms in moss in Tarkhovka Park near Sestroretsk, west from Saint Petersburg. Russia, May 13, 2019
 Yellow jelly fungus (Tremella mesenterica) in Tarkhovka near Sestroretsk. West from Saint Petersburg, Russia, May 13, 2019
 Foliose lichen on a fallen tree branch in Tarkhovka near Sestroretsk. West from Saint Petersburg, Russia, May 13, 2019
 Oyster mushroom Pleurotus pulmonarius in Tarkhovka Park near Sestroretsk, west from Saint Petersburg. Russia, May 13, 2019
 Gulf of Finland and Sestroretsk from Tarkhovka spit in Tarkhovka Park, west from Saint Petersburg. Russia, August 2, 2024
 Close up of some foliose lichen on a fallen tree branch in Tarkhovka near Sestroretsk. West from Saint Petersburg, Russia, May 13, 2019
 Gills of oyster mushroom Pleurotus pulmonarius in Tarkhovka Park near Sestroretsk, west from Saint Petersburg. Russia, May 13, 2019
 Mushrooms Chrysomphalina grossula(?) in a spruce forest in Tarkhovka Park near Sestroretsk, west from Saint Petersburg. Russia, May 13, 2019
 Early spring pinkgill mushrooms Entoloma vernum in Tarkhovka near Sestroretsk. West from Saint Petersburg, Russia, May 13, 2019
 Yellow brain fungus (Tremella mesenterica) on a fallen twig in Tarkhovka near Sestroretsk. West from Saint Petersburg, Russia, May 13, 2019
 Tree Fringewort (Ptilidium pulcherrimum) with spores on a mossy log in Tarkhovka Park near Sestroretsk, west from Saint Petersburg. Russia, May 13, 2019
 Morel mushrooms Morchella esculenta on an old bonfire place in Tarkhovka Park near Sestroretsk, west from Saint Petersburg. Russia, May 13, 2019
 Ochre Bracket mushrooms (Trametes ochracea) on a park bench in Tarkhovka near Sestroretsk. West from Saint Petersburg, Russia, May 13, 2019
 Fragrant Bracket fungus (Trametes suaveolens mushroom) in Tarkhovka Park near Sestroretsk, west from Saint Petersburg. Russia, May 13, 2019
 Underside of mushrooms Chrysomphalina grossula(?) in a spruce forest in Tarkhovka Park near Sestroretsk, west from Saint Petersburg. Russia, May 13, 2019
 Close up of mushrooms Chrysomphalina grossula(?) in a spruce forest in Tarkhovka Park near Sestroretsk, west from Saint Petersburg. Russia, May 13, 2019
 Early spring pinkgill mushrooms Entoloma vernum under pines in Tarkhovka near Sestroretsk. West from Saint Petersburg, Russia, May 13, 2019
 Group of early spring pinkgill mushrooms Entoloma vernum under pines in Tarkhovka near Sestroretsk. West from Saint Petersburg, Russia, May 13, 2019
 Emerging yellow brain fungus (Tremella mesenterica) on a fallen twig in Tarkhovka near Sestroretsk. West from Saint Petersburg, Russia, May 13, 2019
 Spore heads of Tree Fringewort (Ptilidium pulcherrimum) on a mossy log in Tarkhovka Park near Sestroretsk, west from Saint Petersburg. Russia, May 13, 2019
 Close up of Tree Fringewort (Ptilidium pulcherrimum) with sporophytes on a mossy log in Tarkhovka Park near Sestroretsk, west from Saint Petersburg. Russia, May 13, 2019
 Group of morel mushrooms Morchella esculenta on an old bonfire place in Tarkhovka Park near Sestroretsk, west from Saint Petersburg. Russia, May 13, 2019
 Pore surface of Fragrant Bracket fungus (Trametes suaveolens mushroom) in Tarkhovka Park near Sestroretsk, west from Saint Petersburg. Russia, May 13, 2019
 Early spring pinkgill mushrooms Entoloma vernum near a road in a spruce forest in Tarkhovka near Sestroretsk. West from Saint Petersburg, Russia, May 13, 2019
 Side view of morel mushrooms Morchella esculenta on an old bonfire place in Tarkhovka Park near Sestroretsk, west from Saint Petersburg. Russia, May 13, 2019
 Group of early spring pinkgill mushrooms Entoloma vernum near a road in a spruce forest in Tarkhovka near Sestroretsk. West from Saint Petersburg, Russia, May 13, 2019
 Early spring pinkgill mushrooms Entoloma vernum on a small opening in a spruce forest in Tarkhovka near Sestroretsk. West from Saint Petersburg, Russia, May 13, 2019
 Gills of early spring pinkgill mushrooms Entoloma vernum near a road in a spruce forest in Tarkhovka near Sestroretsk. West from Saint Petersburg, Russia, May 13, 2019
 Sorrel rust fungus (Puccinia oxalidis) on yellow oxalis (Oxalis stricta) in wet area on Raccoon Run Trail in Lick Creek Park. College Station, Texas, March 26, 2019
 Common yellow wood sorrel (Oxalis stricta) on Lost Pines Trail in Bastrop State Park. Bastrop, Texas, March 14, 2019
 Blooming common yellow wood sorrel (Oxalis stricta) on Lost Pines Trail in Bastrop State Park. Bastrop, Texas, March 14, 2019
 Yellow flowers of common wood sorrel (Oxalis stricta) on Lost Pines Trail in Bastrop State Park. Bastrop, Texas, March 14, 2019
 Leaves of yellow oxalis (Oxalis stricta) with sorrel rust fungus (Puccinia oxalidis) in wet area on Raccoon Run Trail in Lick Creek Park. College Station, Texas, March 26, 2019
 Common yellow oxalis (Oxalis stricta) with sorrel rust fungus (Puccinia oxalidis) in wet area on Raccoon Run Trail in Lick Creek Park. College Station, Texas, March 22, 2019
 Common yellow oxalis (Oxalis stricta) with sorrel rust fungus (Puccinia oxalidis) in wet area on Raccoon Run Trail in Lick Creek Park. College Station, Texas, March 26, 2019
 Close up of yellow flowers of common wood sorrel (Oxalis stricta) on Lost Pines Trail in Bastrop State Park. Bastrop, Texas, March 14, 2019
 Red campion (Silene dioica, Melandrium rubrum, Russian name Drioma) near a beach in Sestroretsk, west from Saint Petersburg. Russia, May 20, 2019
 Back lit Solomon s seal (Polygonatum odoratum, Russian name Kupena) in Dubki Park in Sestroretsk, west from Saint Petersburg. Russia, May 20, 2019
 Blooming red campion (Silene dioica, Melandrium rubrum, Russian name Drioma) near a beach in Sestroretsk, west from Saint Petersburg. Russia, May 20, 2019
 Pink flower of red campion (Silene dioica, Melandrium rubrum, Russian name Drioma) near a beach in Sestroretsk, west from Saint Petersburg. Russia, May 20, 2019
 Wood anemone (Anemone nemorosa) in Dubki Park in Sestroretsk, west from Saint Petersburg. Russia, May 20, 2019
 Blooming wood anemone (Anemone nemorosa) in Dubki Park in Sestroretsk, west from Saint Petersburg. Russia, May 20, 2019
 Flower of wood anemone (Anemone nemorosa) in Dubki Park in Sestroretsk, west from Saint Petersburg. Russia, May 20, 2019
 Violet wood sorrel (shamrock, Oxalis violacea?) in Big Thicket park on Sundew Trail. Texas, October 11, 2008
 White flower of wood anemone (Anemone nemorosa) in Dubki Park in Sestroretsk, west from Saint Petersburg. Russia, May 20, 2019
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