 Orange stonecrop (Rhodiola linearifolia) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 10, 2009
 Orange stonecrop (Rhodiola linearifolia) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 10, 2009
 Stonecrop (Rhodiola linearifolia) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 27, 2009
 Stonecrop (Rhodiola linearifolia) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 10, 2009
 Red flowers of stonecrop (Rhodiola linearifolia) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 21, 2015
 Rhodiola linearifolia in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 10, 2016
 Rhodiola linearifolia in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 18, 2011
 Rhodiola linearifolia Boriss. in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 28, 2011
 Flower of Rhodiola linearifolia in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 10, 2016
 Rhodiola linearifolia Boriss. in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 22, 2011
 Yellow stonecrop (Sedum) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 27, 2009
 Yellow sedum (stonecrop) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 23, 2009
 Golden Root (Rhodiola rosea) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 9, 2014
 Pink stonecrop in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 10, 2009
 White stonecrop (Sedum) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 10, 2009
 Orange poppy in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 27, 2009
 White stonecrop in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 20, 2014
 Close up of orange poppy in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 23, 2009
 Ovary of orange poppy in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 23, 2009
 Central part of orange poppy in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 23, 2009
 Mossy stonecrop (Sedum lydium) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 20, 2017
 Mossy Stonecrop (Sedum lydium) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 9, 2014
 Flowers of mossy stonecrop (Sedum lydium) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 20, 2017
 Mossy Stonecrop (Sedum lydium) with flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 9, 2014
 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
 Goldmoss stonecrop (Sedum acre, Russian name Ochitok) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 20, 2017
 Close up of Orange Hawkweed (Hieracium aurantiacum, Pilosella aurantiaca) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 23, 2009
 Golden Root (Rhodiola rosea) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 4, 2017
 Orange Hawkweed (Devil s Paintbrush, Hieracium aurantiacum, Pilosella aurantiaca) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 23, 2009
 Stonecrop (Sedum) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 15, 2017
 Stonecrop (Sedum) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 4, 2017
 White flowers of stonecrop in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 21, 2015
 Yellow stonecrop in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 29, 2016
 Blooming stonecrop (Sedum) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 28, 2017
 Reddish shoots of stonecrop (Sedum) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 15, 2017
 Garden stonecrop (Hylotelephium) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, October 4, 2017
 Pink shoots of stonecrop in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 29, 2017
 Pink stonecrop (sedum) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 13, 2010
 Stonecrop Sedum brevifolium in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 29, 2016
 Mossy Stonecrop (Sedum lydium) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 29, 2016
 White stonecrop (Sedum album) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 13, 2010
 White flowers of stonecrop (Sedum) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 16, 2015
 Leaves of stonecrop Sedum brevifolium in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, August 14, 2016
 White flowers of stonecrop (Sedum) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 16, 2015
 White flowers of stonecrop (Sedum) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 4, 2017
 Flower buds of stonecrop (Sedum) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 4, 2017
 Goldmoss stonecrop (Sedum acre) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 4, 2017
 Masses of flower buds of stonecrop (Sedum) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 4, 2017
 Orange leaves of pelargonium in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 5, 2017
 Orange leaves of pelargonia in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 9, 2017
 Red poppy in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 23, 2009
 Mullein in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 27, 2009
 Harebells in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 23, 2009
 Bluebells in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 27, 2009
 Flower bud of red poppy in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 23, 2009
 Azalea (rhododendron) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 23, 2009
 Meadow Rue (Thalictrum) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 23, 2009
 Blue iris in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 23, 2009
 Bulbs of garlic in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 23, 2009
 Columbine (Aquilegia) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 23, 2009
 Globe onion in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 27, 2009
 Yellow daisy in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 23, 2009
 Geranium flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 23, 2009
 Aster with a bumblebee in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 23, 2009
 Blue iris in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 27, 2009
 Geranium like flower in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 23, 2009
 Fuchsia flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 23, 2009
 Sempervivum plant in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 23, 2009
 Tiger lily in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 23, 2009
 Veronica flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 23, 2009
 Blooming valeriana in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 23, 2009
 White garlic like flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 23, 2009
 Brown bearded iris in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 27, 2009
 Purple Siberian(?) iris in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 27, 2009
 Pink rhododendron (azalea) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 23, 2009
 Blue and white iris in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 27, 2009
 White sedum flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 23, 2009
 Purple flower head in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 23, 2009
 Purple asters (Symphyotrichum) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 27, 2009
 Elecampane (Inula helenium) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 23, 2009
 Blue aster (Symphyotrichum) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 23, 2009
 Illegible purple painting in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 23, 2009
 Yellow daisy like flower in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 23, 2009
 Arum flower in greenhouses of Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 27, 2009
 Purple flowers of garlic(?) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 23, 2009
 Blue flowers of veronica in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 23, 2009
 Blue iris flower in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 23, 2009
 Flower bud of yellow daisy in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 23, 2009
 Red tropical flowers in greenhouses of Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 27, 2009
 Painting of iris flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 23, 2009
 Close up of Meadow Rue (Thalictrum) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 23, 2009
 Blooming Meadow Rue (Thalictrum) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 23, 2009
 "Beard" of a bearded iris in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 27, 2009
 Detail of bearded iris in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 27, 2009
 Yellow flag (Iris pseudacorus(?)) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 27, 2009
 Purple trumpet like flower in greenhouses of Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 27, 2009
 Yellow flowers of lily family in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 27, 2009
 Small white flowers in greenhouses of Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 27, 2009
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