 Heartleaf oxeye (Telekia speciosa) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 16, 2015
 Heartleaf oxeye (Telekia speciosa) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 28, 2017
 Green flower bud of heartleaf oxeye (Telekia speciosa) in Peter the Great Botanical Garden of Komarov Botanical Institute. Saint Petersburg, Russia, June 3, 2019
 Yellow iris flower in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 16, 2015
 Yellow flower of scabiosa in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 16, 2015
 Flower buds of yellow flowers of aster family in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 16, 2015
 Yellow flower of aster family Senecio pseudoarnica (seaside ragwort)(?) in rock garden in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 22, 2015
 Yellow flower of Tulipa iliensis in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 15, 2015
 Yellow flower of scabiosa in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 13, 2010
 Yellow iris flower in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 2, 2016
 Yellow flowers of Lysimachia in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 16, 2015
 Yellow eastern pasque flower (Pulsatilla flavescens, wind flower, meadow anemone, prostrel or son trava in Russian) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 21, 2015
 Yellow eastern pasque flower (Pulsatilla flavescens, wind flower, meadow anemone, prostrel or son trava in Russian) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 15, 2015
 Flower bud of a daisy in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 22, 2015
 Daisy flower in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 16, 2015
 Peony flower in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 16, 2015
 Some flower bracts in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 22, 2015
 Geranium flower in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 16, 2015
 Yellow flowers of mustard family in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 16, 2015
 Yellow daisy in rock garden in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 22, 2015
 Orange calendula flower in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 22, 2015
 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
 Some flower buds with white rims in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 16, 2015
 Seeds of pasque flower (Pulsatilla) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 16, 2015
 Dahlia flower (Russian name Georgin) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 22, 2015
 Flower bud of an orange flower of aster family Senecio pseudoarnica (seaside ragwort)(?) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 16, 2015
 Yellow flowers of summer ragwort (Ligularia dentata) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 16, 2015
 Flower of Chinese wolfberry (Lycium barbarum) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 16, 2015
 Orange dahlia flower (Russian name Georgin) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 16, 2015
 White flower of morning glory (Ipomoea) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 22, 2015
 Blue flower of morning glory (Ipomoea) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 22, 2015
 Pink flower of morning glory (Ipomoea) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 22, 2015
 Chicory-like flower of Siberian Lettuce (Lactuca sibirica) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 16, 2015
 Helmet flower (monkshood, Aconitum, Russian name Borets) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 16, 2015
 Chicory-like flower of Siberian Lettuce (Lactuca sibirica) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 22, 2015
 Helmet flower (monkshood, Aconitum, Russian name Borets) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 22, 2015
 Light pink flower of morning glory (Ipomoea) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 22, 2015
 Heartleaf foamflower (false miterwort, Tiarella cordifolia) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 26, 2014
 White flower of grass lily (Ornithogalum, Russian name Ptitsemlechnik) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 16, 2015
 Flower of Toad lily Tricyrtis latifolia Golden Leopard in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 16, 2015
 Yellow flower of Kuril Tea(?) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 22, 2011
 Some greenish yellow flower in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 27, 2017
 Some yellow daisy in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 15, 2015
 Flower of great burnet plant (Sanguisorba officinalis, Russian name Krovokhliobka) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 22, 2015
 Yellow flower of lily family in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 10, 2016
 Yellow flower of lily family in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 29, 2009
 Yellow flower of lily family in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 10, 2016
 Yellow daisy like flower in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 23, 2009
 Close up of yellow and purple flower in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 29, 2009
 Flower bud of yellow daisy in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 23, 2009
 Yellow flower of threadleaf coreopsis (thread-leaved tickseed, Coreopsis verticillata) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 26, 2016
 Dwarf yellow flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 15, 2015
 Yellow primula flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 15, 2015
 Yellow Anemone ranunculoides in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 15, 2015
 Yellow flower of lily family in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 9, 2014
 Shoots of yellow pasque flower (Pulsatilla) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 15, 2017
 Yellow flower of rose family in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 9, 2014
 Yellow flowers of Abelia coreana(?) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 15, 2015
 Yellow flowers on a bush of forsythia in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 15, 2015
 Yellow flowers of threadleaf coreopsis (thread-leaved tickseed, Coreopsis verticillata) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 22, 2015
 Flower of death camas (Zigadenus elegans, Anticlea elegans) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 22, 2015
 Shoots of yellow pasque flower (Pulsatilla) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 21, 2017
 Yellow flower of Schaueria calycotricha in greenhouses of Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, February 23, 2017
 Yellow and purple orchid flower in greenhouses of Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, February 23, 2017
 Yellow flower of largeflower bellwort (Uvularia grandiflora) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 22, 2011
 Flower bud of peony (Paeonia) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 15, 2015
 Yellow iris in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 2, 2016
 Yellow rose in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 28, 2017
 Yellow sedum in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 10, 2009
 Yellow stonecrop in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 29, 2016
 Yellow lilies in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 26, 2016
 Yellow linum in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 28, 2017
 Yellow flowers of Pheasant s eye (Adonis vernalis) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 15, 2015
 Flower bud of an orange flower of aster family in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 26, 2016
 Yellow eastern pasque flower (Pulsatilla flavescens, wind flower, meadow anemone, prostrel or son trava in Russian) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 10, 2016
 Yellow eastern pasque flower (Pulsatilla flavescens, wind flower, meadow anemone, prostrel or son trava in Russian) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 10, 2016
 Yellow eastern pasque flower (Pulsatilla flavescens, wind flower, meadow anemone, prostrel or son trava in Russian) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 14, 2011
 Lily-like flower of death camas (Zigadenus elegans, Anticlea elegans) with two-pronged greenish-yellow glands on each petal in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 13, 2010
 Yellow mullein (Verbascum) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 10, 2009
 Yellow flowers of linum in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 28, 2017
 Yellow flowers of Lysimachia in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 28, 2017
 Yellow garlic like plant in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 10, 2009
 Yellow leaves of plantain lily (hosta) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 21, 2015
 Yellow flowers of Corydalis aurea (Russian name hohlatka) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 15, 2015
 Blooming yellow eastern pasque flower (Pulsatilla flavescens, wind flower, meadow anemone, prostrel or son trava in Russian) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 10, 2016
 Close up of yellow eastern pasque flower (Pulsatilla flavescens, wind flower, meadow anemone, prostrel or son trava in Russian) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 10, 2016
 Close up of yellow eastern pasque flower (Pulsatilla flavescens, wind flower, meadow anemone, prostrel or son trava in Russian) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 10, 2016
 Blooming yellow eastern pasque flower (Pulsatilla flavescens, wind flower, meadow anemone, prostrel or son trava in Russian) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 10, 2016
 Yellow flower of Lesser celandine (Ranunculus ficaria, Russian name Chistyak) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 14, 2011
 Goldenrod like flower in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 13, 2010
 Some flower buds in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 13, 2010
 Chicory like flower in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 13, 2010
 Gentian flower in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 19, 2012
 Some flower buds in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 4, 2017
 Daisy flower in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 26, 2016
 Flower umbels in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 18, 2016
 Flower patch in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 18, 2016
 Dianthus flower in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 26, 2016
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