 Blue flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 13, 2014
 Some blue flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 9, 2014
 Some blue flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 9, 2014
 Blue iris flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 13, 2014
 Blue beardtongues like flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 9, 2014
 Blue flowers of geranium in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 9, 2014
 Blue beardtongue (penstemon) flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 13, 2014
 Flowers of blue bugle (Ajuga reptans) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 26, 2014
 Blue comfrey flowers (beinwell, Symphytum caucasicum, Russian name Okopnik) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 9, 2014
 Purple flowers of beinwell (blue comfrey, Symphytum caucasicum, Russian name Okopnik) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 26, 2014
 Some blue creeping flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 21, 2015
 Blue flowers on a lawn in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 15, 2015
 Various blue flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 29, 2017
 Blue and white flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 21, 2015
 Blue iris in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 26, 2014
 Blue thistle flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 5, 2017
 Blue Lobelia flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, August 14, 2016
 Blue flowers of fumewort (Corydalis) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 6, 2017
 Blue crocus flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 12, 2017
 Blue flowers of geranium in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 4, 2017
 Blue viola flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 4, 2017
 Blue flowers of iris in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 20, 2017
 Blue crocus flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 29, 2017
 Blue toadflax like flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, August 22, 2013
 Blue primrose flowers (Primula) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 22, 2017
 Blue flowers of lily family in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 10, 2016
 Flowers of blue asters in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, August 22, 2013
 Blue flowers in greenhouses of Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, March 8, 2017
 Small blue flowers of veronica in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 22, 2017
 Blue flowers of veronica in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 23, 2009
 Blue crocus flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 12, 2017
 Blue flowers of forget-me-not (Myosotis) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 27, 2017
 Blue viola flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 20, 2017
 Blue flowers of crocus in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 9, 2013
 Blue iris in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 9, 2014
 Blue inflorescense in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 13, 2014
 Blue aster in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 9, 2014
 Blue flowers of snapdragon family in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 22, 2015
 Blue flowers of azalea (Rhododendron) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 20, 2017
 Blue flowers of fumewort (Corydalis) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 20, 2017
 Blue striped flowers of geranium in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 4, 2017
 Blue skullcap flowers (Scutellaria) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, August 14, 2016
 Blue flowers of lily family in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 29, 2017
 Blue flowers of grape hyacinth (Muscari) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 21, 2015
 Blue flowers of a marsh orchid in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 4, 2017
 Blue flowers of speedwell (Veronica)(?) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 16, 2015
 Blue flowers of Navelwort (Omphalodes cappadocica) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 22, 2011
 Yellow and blue crocus flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 12, 2017
 Blue flowers of forget-me-not (Myosotis) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 23, 2009
 Blue orchid flowers in greenhouses of Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, March 8, 2017
 Pasqueflower (Pulsatilla) with small blue flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 15, 2015
 Small blue flowers of forget-me-not (Myosotis) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 10, 2016
 Blue flowers of Liverleaf (Hepatica nobilis) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 4, 2017
 Dark blue iris in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 13, 2014
 Blue iris flower in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 13, 2014
 Blue bugle (Ajuga reptans) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 26, 2014
 Blue marsh orchid in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 13, 2014
 Blue and yellow iris in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 9, 2014
 Blue aster flower in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 9, 2014
 Blue iris flowers (Iridodictyum histrioides) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 12, 2017
 Blue flowers of Gentiana (Russian name Gorechavka) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 2, 2016
 Blue flowers of squill (Scilla armena) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 2, 2017
 Blue flowers of Hepatica (Pechonochnitsa in Russian) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 29, 2017
 Field of blue and purple flowers under a tree in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 29, 2017
 Blue flowers of Hepatica (Pechonochnitsa in Russian) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 12, 2017
 Small blue flowers of brooklime (Veronica) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 26, 2016
 Masses of blue flowers of Liverleaf (Hepatica nobilis) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 4, 2017
 Blue flowers of Alpine Squill (Scilla bifolia) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 6, 2017
 Deep blue flowers of mint(?) family in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 4, 2017
 Blue pointed flowers of felwort (Swertia perennis) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 22, 2015
 Masses of blue flowers of lily family under a tree in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 29, 2017
 Field of blue flowers of squill (Scilla armena) under an oak in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 12, 2017
 Blue and red flowers of forget-me-not (Myosotis, Russian name Nezabudka) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 5, 2017
 Blue butterfly bush flowers (Clerodendrum) in greenhouses of Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, February 23, 2017
 Blue iris flowers Iridodictyum Katharine Hodgkin in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 12, 2017
 Primula flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 26, 2014
 Flowers of allium in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 26, 2014
 Geranium flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 26, 2014
 Some brown flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 26, 2014
 Blue flowers of creeping navelwort (Omphalodes verna, Russian name pupochnik) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 10, 2016
 Blue flowers of creeping navelwort (Omphalodes verna, Russian name pupochnik) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 27, 2017
 Small blue flowers of Wild Hyancinth (Hyacinthus orientalis) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 27, 2009
 Some white flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 9, 2014
 Sedum like flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 20, 2014
 Three flowers of iris in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 9, 2014
 White flowers on a bush in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 26, 2014
 Yellow flowers of pea family in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 26, 2014
 Some pinkish flowers on a bush in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 26, 2014
 Some flowers of rose family in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 26, 2014
 Thyme flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 13, 2014
 Some white flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 9, 2014
 Carpet of flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 13, 2014
 Peony like flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 13, 2014
 Valeriana flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 9, 2014
 Onion like flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 9, 2014
 Flowers of garlic in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 13, 2014
 Thyme flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 9, 2014
 Some white flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 9, 2014
 Blue flowers of Michaelmas daisy (Aster amellus Rudolph Goethe ) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 21, 2015
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