 Close up of maple flowers (Acer platanoides) in a park of Politekhnichesky Institute. Saint Petersburg, Russia, May 20, 2011
 Flowers of maple (Acer platanoides) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 14, 2011
 Young leaf of maple in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 14, 2011
 Young leaves of maple in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 14, 2011
 Blooming maple (Acer) in Peter the Great Botanical Garden of Komarov Botanical Institute. Saint Petersburg, Russia, May 7, 2019
 Shoot of a maple Acer henryi in Peter the Great Botanical Garden of Komarov Botanical Institute. Saint Petersburg, Russia, May 7, 2019
 Fresh leaves of a maple Acer henryi in Peter the Great Botanical Garden of Komarov Botanical Institute. Saint Petersburg, Russia, May 7, 2019
 Bark of snakebark maple (Acer capillipes) in Peter the Great Botanical Garden of Komarov Botanical Institute. Saint Petersburg, Russia, May 26, 2021
 Flower buds of a maple Acer henryi in Peter the Great Botanical Garden of Komarov Botanical Institute. Saint Petersburg, Russia, May 7, 2019
 Tinder polypore mushroom (bracket fungus, Fomes fomentarius) on a sycamore maple (Acer pseudoplatanus) near greenhouses in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, February 21, 2017
 Tinder polypore mushroom (bracket fungus, Fomes fomentarius) on a large tree of sycamore maple (Acer pseudoplatanus) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, February 21, 2017
 Leaf parachute mushrooms (Marasmius epiphyllus) on a maple leaf taken from Sosnovka Park. Saint Petersburg, Russia, October 31, 2016
 Maple leaf damaged by fungus in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 21, 2015
 Young leaves of a maple(?) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 6, 2017
 Cluster of whitish mushrooms Lepista subconnexa (Clitocybe subconnexa)(?) on a maple alley in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 30, 2017
 Cluster of Lepista subconnexa (Clitocybe subconnexa)(?) mushrooms among timber litter on a maple alley in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 30, 2017
 Young leaves of maple in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 5, 2017
 Young leaf of mountain ash (Sorbus aucuparia, Russian name Ryabina) in Pavlovsk Park, suburb of Saint Petersburg. Russia, May 15, 2011
 Bud on a maple tree in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 14, 2011
 Young silvery leaf of mountain ash (Sorbus aucuparia, Russian name Ryabina) in Pavlovsk Park, suburb of Saint Petersburg. Russia, May 15, 2011
 Maple flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 22, 2017
 Cluster of mossy maple polypore mushrooms (Oxyporus populinus) in Lesnoy Park Saint Petersburg, Russia, March 9, 2017
 Young northern tooth fungus (Climacodon septentrionalis) on a maple tree in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 28, 2017
 Young northern tooth mushrooms (Climacodon septentrionalis) on a maple tree in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 4, 2017
 Young brown polypore mushroom on a maple(?) tree, may be Inocutis dryophila, in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 12, 2017
 Large cluster of mossy maple polypore mushrooms (Oxyporus populinus) in Lesnoy Park Saint Petersburg, Russia, March 9, 2017
 Emerging flowers on a maple tree in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 6, 2017
 Cluster of purple flowers of fumewort (Corydalis) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 6, 2017
 Cluster of white flowers of kuril tea in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 9, 2013
 Maple leaf in Sosnovka Park. Saint Petersburg, Russia, October 31, 2016
 Young leaf of meadowsweet (Filipendula)(?) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 6, 2017
 Young leaf of alder in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, August 22, 2013
 Cluster of pink and purple flowers of fumewort (Corydalis) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 6, 2017
 Cluster of yellow orchid flowers in greenhouses of Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, February 23, 2017
 Young mushrooms Lepista subconnexa (Clitocybe subconnexa)(?) under dry brunches on a maple alley in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 12, 2017
 Cluster of yellow and purple orchid flowers in greenhouses of Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, February 23, 2017
 Back lit leaf in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 14, 2011
 Leaf of berberis in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 28, 2011
 Tar rot fungus (Rhytisma acerinum) on a maple leaf taken from Sosnovka Park. Saint Petersburg, Russia, March 23, 2017
 Green leaf in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 18, 2011
 Leaf venation in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 18, 2011
 Palm leaf in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 18, 2011
 Flowers of Red Maple in Peter the Great Botanical Garden of Komarov Botanical Institute. Saint Petersburg, Russia, May 7, 2019
 Flowers of maple in Peter the Great Botanical Garden of Komarov Botanical Institute. Saint Petersburg, Russia, May 7, 2019
 Young leaves in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 28, 2011
 Young leaves in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 22, 2011
 Young leaves on chestnut in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 14, 2011
 Young leaves of linden in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 14, 2011
 Young leaves on a bush in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 14, 2011
 Bud of linden with young leaves in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 14, 2011
 Young leaves of chestnut in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 22, 2011
 Young leaves of linden in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 14, 2011
 Venation of a leaf of an aquatic plant in a greenhouse in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 18, 2011
 Venation of aquatic plant leaf in a greenhouse in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 18, 2011
 Leaf venation in aquatic plant greenhouse in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 18, 2011
 Leaf venation in aquatic plant greenhouse in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 18, 2011
 Hemispherical cluster of flowers of bog Labrador tea (Ledum groenlandicum, Rhododendron groenlandicum) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 9, 2014
 Back lit young leaves of linden in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 14, 2011
 Back lit bud of linden with young leaves in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 14, 2011
 Young needles of fir tree in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 8, 2011
 Green leaf venation in aquatic plant greenhouse in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 18, 2011
 Cluster of young honey mushrooms Armillaria borealis(?) in Dubki Park in Sestroretsk, west from Saint Petersburg. Russia, September 5, 2013
 Young mossy maple polypore mushrooms (Oxyporus populinus) on a tree in Lesnoy Park. Saint Petersburg, Russia, February 20, 2017
 Rusty yellow maple leaf in Old Sylvia in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, September 18, 2015
 Young leaves of maple in Lomonosov (Oranienbaum). West from Saint Petersburg, Russia, May 23, 2017
 Some flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 22, 2011
 Young mossy maple polypore mushrooms (Oxyporus populinus)(?) in a hollow of small willow stump in Sosnovka Park. Saint Petersburg, Russia, April 4, 2017
 Various flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 18, 2011
 Maple with yellow leaves in Polytechnichesky Institute (Technical University) Park. Saint Petersburg, Russia, October 25, 2016
 Buds of Japanese maple (Acer palmatum Viridis ) in Mercer Arboretum and Botanical Gardens. Humble (Houston area), Texas, March 14, 2009
 Garlic(?) flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 8, 2011
 Flowers and greenhouses in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 18, 2011
 Yellow flowers on a bush in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 28, 2011
 Flowers of garlic in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 8, 2011
 Pink flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 18, 2011
 Small white flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 28, 2011
 Amsonia flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 18, 2011
 Young leaves of maple near train station of Komarovo, 25 miles north-west from Saint Petersburg. Russia, May 9, 2016
 Trumpet like yellow flowers on a bush in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 22, 2011
 White flowers of lily family in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 14, 2011
 Cluster of young northern honey mushrooms (Armillaria borealis) on submerged wood in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, September 14, 2017
 Hemp shaped leaves of Japanese maple (Acer palmatum Viridis) in Mercer Arboretum and Botanical Gardens. Humble (Houston area), Texas, April 10, 2010
 Flowers of garlic mustard (Alliaria petiolata) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 22, 2011
 White flowers of Foamflower (Tiarella) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 8, 2011
 Blue flowers of Navelwort (Omphalodes cappadocica) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 22, 2011
 Pink flowers of Louiseania triloba (almond) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 22, 2011
 Young leaf of mountain ash (Sorbus aucuparia, Russian name Ryabina) in Sosnovka Park. Saint Petersburg, Russia, May 20, 2017
 Maple sprouts near Tyarlevo village in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, June 14, 2011
 Yellow flowers of lily family (Riabchik in Russian) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 22, 2011
 Pink flowers of Pinkshell azalea (Rhododendron vaseyi) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 22, 2011
 Yellow flowers of Corydalis aurea (Russian name hohlatka) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 14, 2011
 Cluster of young domecap mushrooms (Lyophyllum fumosum) in Blizhnie Dubki area near Lisiy Nos, west from Saint Petersburg. Russia, September 11, 2017
 Close up of a young leaf of mountain ash (Sorbus aucuparia, Russian name Ryabina) in Sosnovka Park. Saint Petersburg, Russia, May 20, 2017
 Cluster of brown brittlestem mushrooms Psathyrella cernua (Homophron cernuum)(?) on the central alley in Park of Polytechnic Institute. Saint Petersburg, Russia, September 19, 2017
 Yellow flowers of Golden Currant (Ribes aureum Pursh) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 22, 2011
 Red flowers of lily family (Fritillaria, Russian name Rybchik Imperatorsky) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 14, 2011
 Flower bud of a maple in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 6, 2017
 Flowers of barrenwort (Epimedium pinnatum subsp. colchicum, Russian name Goryanka) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 22, 2011
 Yellow flowers of lily family (Fritillaria, Russian name Rybchik Imperatorsky) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 18, 2011
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