 Pelargonium behind glass of greenhouse in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 9, 2017
 Orange leaves of pelargonia in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 9, 2017
 Some nettle like leaves in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 5, 2017
 Tulip leaves in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 9, 2017
 Reddish fern leaves in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 9, 2017
 Young leaves of ferns in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 9, 2017
 Young leaves of maple in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 5, 2017
 Young reddish leaves of ferns in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 9, 2017
 Leaves of a plant of lily family in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 20, 2017
 Leaves of plantain lily (hosta) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 9, 2017
 Velvety leaves of Lamb s-ear (Stachys byzantina) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 20, 2017
 Vivid orange bracts of Griffith s spurge (Euphorbia griffithii) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 5, 2017
 Orange elm leaves in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, October 26, 2016
 Leaves of northern maidenhair fern (Adiantum pedatum) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 5, 2017
 Palmate wrinkled leaves of Rodgersia aesculifolia or podophylla in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 5, 2017
 Orange rosette of leaves in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 22, 2015
 Orange maple leaves in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, October 15, 2016
 Reddish leaves of barrenwort (Epimedium pinnatum subsp. colchicum, Russian name Goryanka) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 5, 2017
 Orange viola flower in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 22, 2017
 Orange poppy in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 27, 2009
 Young red leaves in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 15, 2017
 Fresh leaves in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 4, 2017
 Fresh leaves in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 22, 2017
 Fresh leaves in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 15, 2017
 Spring leaves in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 28, 2017
 Leaves of poppy in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 4, 2017
 Orange dahlia flower in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, October 4, 2017
 Orange peony flower in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 28, 2017
 Orange leaves of crevice alumroot (Heuchera micrantha var. diversifolia(?)) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 18, 2013
 Ovary of orange poppy in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 23, 2009
 Close up of orange poppy in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 23, 2009
 Rhododendron leaves in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, March 2, 2017
 Young leaves on a bush in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 22, 2017
 Backlit young leaves in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 28, 2017
 Young leaves of a maple(?) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 6, 2017
 Young leaves on a bush in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 6, 2017
 Fresh leaves of linden in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 22, 2017
 Mottled leaves in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 29, 2017
 Yellow leaves in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, October 4, 2017
 Orange flower of aster family in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, October 4, 2017
 Some orange flowers on alpine hill in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 4, 2017
 Fern leaves in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 13, 2014
 Central part of orange poppy in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 23, 2009
 Orange stonecrop (Rhodiola linearifolia) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 27, 2009
 Some palmate leaves in greenhouses of Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, March 8, 2017
 Emerging leaves of anemone in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 12, 2017
 Young leaves on a linden tree in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 22, 2017
 Rosettes of fresh leaves in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 12, 2017
 Fern leaves in greenhouses of Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, March 8, 2017
 Fern with white leaves in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 4, 2017
 Some fresh wrinked leaves in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 12, 2017
 Orange peel fungus (Aleuria aurantia) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 12, 2017
 Carpet of fern like leaves in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 9, 2014
 Reddish leaves on alpine hill in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 21, 2017
 Sedum leaves (Hylotelephium Matrona ) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 18, 2011
 Leaves of aquatic plants in a greenhouse in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 18, 2011
 Orange Hawkweed (Hieracium aurantiacum, Pilosella aurantiaca) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 23, 2009
 Orange Hawkweed (Hieracium aurantiacum, Pilosella aurantiaca) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 23, 2009
 Green flowers and trifoliate leaves on a tree in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 4, 2017
 Emerging succulent green and pink leaves in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 12, 2017
 Ferns in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 5, 2017
 Green leaves of plantain lily (hosta) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 18, 2011
 Close up of Orange Hawkweed (Hieracium aurantiacum, Pilosella aurantiaca) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 23, 2009
 Bluish-orange cups of snowbank fungus (Caloscypha fulgens) on mushroom show in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 27, 2017
 Orange coral mushrooms Clavulinopsis laeticolor from a greenhouse on mushroom show in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 30, 2017
 Mullein like flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 5, 2017
 Mat of Thymus caucasicus in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 9, 2017
 Forget-me-not flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 20, 2017
 Red flowers of hawthorn in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 20, 2017
 Shoots of Lysimachia in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 9, 2017
 Lily pond in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 5, 2017
 Trees and grass in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 5, 2017
 Iris flower in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 20, 2017
 Some white flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 5, 2017
 Bittercress (Cardamine) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 5, 2017
 Shoots of pine in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 9, 2017
 Some wrinkled leaf in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 5, 2017
 Iris flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 20, 2017
 Cotula potentillina in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 5, 2017
 Blue iris in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 20, 2017
 Flowers of thyme in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 20, 2017
 Blooming thyme in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 20, 2017
 Peony fruits in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 5, 2017
 Wilted red rose in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 9, 2017
 Some flower buds in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 20, 2017
 Fruits of anemone in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 5, 2017
 Seeds of anemone in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 5, 2017
 Shoots of garlic in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 9, 2017
 Blooming iris in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 20, 2017
 Maple alley in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 9, 2017
 Muscari like flower in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 5, 2017
 Iris flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 20, 2017
 Orange Hawkweed (Devil s Paintbrush, Hieracium aurantiacum, Pilosella aurantiaca) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 23, 2009
 Rosette of leaves of tree houseleek (Aeonium arboreum) in greenhouses of Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, February 23, 2017
 Carpet of flowers of thyme in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 20, 2017
 Blue thistle flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 5, 2017
 Blue iris flower in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 20, 2017
 Blue viola flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 20, 2017
 White poppy flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 5, 2017
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