 Blue flowers of creeping navelwort (Omphalodes verna, Russian name pupochnik) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 27, 2017
 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 on a lawn in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 15, 2015
 Blue and white flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 21, 2015
 Blue flowers of speedwell (Veronica)(?) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 16, 2015
 Pasqueflower (Pulsatilla) with small blue flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 15, 2015
 Blue flowers of snapdragon family in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 22, 2015
 Blue flowers of grape hyacinth (Muscari) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 21, 2015
 Blue pointed flowers of felwort (Swertia perennis) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 22, 2015
 Fall colors of a creeping vine in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 21, 2015
 Blue flowers of Michaelmas daisy (Aster amellus Rudolph Goethe ) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 21, 2015
 Creeping navelwort (Omphalodes verna, Russian name pupochnik) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 21, 2015
 Creeping thistle (Cirsium arvense, Russian name Bodiak) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 22, 2015
 Close up of 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 mountain hydrangea (Hydrangea serrata) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 22, 2015
 Some blue flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 26, 2014
 Some blue flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 9, 2014
 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
 Various blue flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 29, 2017
 Blue flowers of forget-me-not (Myosotis) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 27, 2017
 Blue flowers of fumewort (Corydalis) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 6, 2017
 Blue flowers of geranium in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 9, 2014
 Blue crocus flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 12, 2017
 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 crocus in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 9, 2013
 Blue iris flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 13, 2014
 Blue flowers of geranium in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 4, 2017
 Blue toadflax like flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, August 22, 2013
 Flowers of blue asters 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 thistle flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 5, 2017
 Blue viola flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 20, 2017
 Blue Lobelia flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, August 14, 2016
 Blue flowers of iris in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 20, 2017
 Blue flowers of veronica in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 23, 2009
 Blue beardtongues like flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 9, 2014
 Blue viola flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 4, 2017
 Blue crocus flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 29, 2017
 Blue crocus flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 12, 2017
 Blue flowers of lily family in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 10, 2016
 Blue iris in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 16, 2015
 Blue asters in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 16, 2015
 Blue clematis in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 21, 2015
 Blue flowers of azalea (Rhododendron) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 20, 2017
 Blue skullcap flowers (Scutellaria) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, August 14, 2016
 Small blue flowers of forget-me-not (Myosotis) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 10, 2016
 Flowers of blue bugle (Ajuga reptans) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 26, 2014
 Blue flowers of forget-me-not (Myosotis) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 23, 2009
 Blue flowers of Navelwort (Omphalodes cappadocica) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 22, 2011
 Blue flowers of fumewort (Corydalis) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 20, 2017
 Yellow and blue crocus flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 12, 2017
 Blue striped flowers of geranium in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 4, 2017
 Blue beardtongue (penstemon) flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 13, 2014
 Blue flowers of Liverleaf (Hepatica nobilis) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 4, 2017
 Blue orchid flowers in greenhouses of Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, March 8, 2017
 Blue flowers of lily family in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 29, 2017
 Blue flowers of a marsh orchid in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 4, 2017
 Blue thistle flower in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 16, 2015
 Flower of blue thistle in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 16, 2015
 Hyacinth (Hyacinthus orientalis Blue Ice ) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 15, 2015
 Masses of blue flowers of Liverleaf (Hepatica nobilis) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 4, 2017
 Small blue flowers of brooklime (Veronica) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 26, 2016
 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
 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 Gentiana (Russian name Gorechavka) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 2, 2016
 Blue flowers of Hepatica (Pechonochnitsa in Russian) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 12, 2017
 Blue flowers of Hepatica (Pechonochnitsa in Russian) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 29, 2017
 Blue flowers of squill (Scilla armena) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 2, 2017
 Blue iris flowers (Iridodictyum histrioides) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 12, 2017
 Blue inflorescence on a small bush in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 22, 2015
 Blue hyacinth (Hyacinthus orientalis Isabel ) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 15, 2015
 Creeping plant in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, August 22, 2013
 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 iris flowers Iridodictyum Katharine Hodgkin in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 12, 2017
 Masses of blue flowers of lily family under a tree in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 29, 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 flower of morning glory (Ipomoea) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 22, 2015
 Some succulent flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 21, 2015
 Some pinkish flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 21, 2015
 Some white flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 15, 2015
 Small blue flowers of Wild Hyancinth (Hyacinthus orientalis) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 27, 2009
 Blue flax (Linum perenne) in rock garden in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 22, 2015
 White flowers of stonecrop in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 21, 2015
 Primrose (Primula) flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 21, 2015
 Yellow primula flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 15, 2015
 Dwarf yellow flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 15, 2015
 Columbine (Aquilegia) flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 15, 2015
 Flowers near greenhouses in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 22, 2015
 Rudbeckia flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 21, 2015
 Heather like flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 21, 2015
 Big Rudbeckia flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 21, 2015
 Blue comfrey flowers (beinwell, Symphytum caucasicum, Russian name Okopnik) 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 11, 2016
 Purple flowers of beinwell (blue comfrey, Symphytum caucasicum, Russian name Okopnik) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 26, 2014
 Blue fall asters (Michaelmas daisy, Aster amellus) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 21, 2015
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