 Flower of creeping thistle (Cirsium arvense, Russian name Bodiak) in fields near Deviatkino in northern Saint Petersburg. Russia, July 25, 2016
 Creeping thistle (Cirsium arvense, Russian name Bodiak) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 22, 2015
 Creeping Thistle (Cirsium arvense, Russian name Bodiak) on a field near Oredezh River near Kezevo. Siverskaya south from Saint Petersburg, Russia, July 20, 2015
 Seeds of Creeping Thistle (Cirsium arvense) in fields west from Deviatkino. Saint Petersburg, Russia, August 15, 2012
 Red-brown rust fungus Puccinia punctiformis on the underside of the leaves of creeping thistle (Cirsium arvense) in Siverskaya, 50 miles south from Saint Petersburg. Russia, July 13, 2017
 Blooming thistle (Cirsium heterophyllum(?), Russian name Bodiak) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 22, 2015
 Blooming thistle (Cirsium heterophyllum(?), Russian name Bodiak) in Aleksandrovsky Park in Pushkin (former Tsarskoe Selo), a suburb of Saint Petersburg. Russia, July 10, 2010
 Bumblebee on Spear Thistle (Cirsium vulgare) on roadside in fields west from Deviatkino, 1 mile north from Saint Petersburg. Russia, July 26, 2012
 Red-brown rust fungus Puccinia punctiformis on the underside of the leaves of creeping thistle (Cirsium arvense) taken from area of Udelnaya. Saint Petersburg, Russia, August 11, 2017
 Field thistle (Cirsium) in fields west from Deviatkino. Saint Petersburg, Russia, June 29, 2011
 Bee like fly on a thistle in fields west from Deviatkino. Saint Petersburg, Russia, July 20, 2012
 Fly on a thistle in fields west from Deviatkino. Saint Petersburg, Russia, July 20, 2012
 Spear Thistle (Cirsium vulgare) in fields near Deviatkino in northern Saint Petersburg. Russia, July 25, 2016
 Flower buds of thistle (Cirsium) in fields near Deviatkino in northern Saint Petersburg. Russia, July 25, 2016
 Thistle growing under power lines west from Deviatkino. Saint Petersburg, Russia, July 20, 2012
 Hoverfly (Syrphidae, Russian name Zhurchalka) west from Deviatkino. Saint Petersburg, Russia, July 20, 2012
 Hoverfly (Syrphidae, Russian name Zhurchalka) in fields west from Deviatkino. Saint Petersburg, Russia, July 20, 2012
 Evening primrose (Oenothera biennis, Russian name Oslinnik) west from Deviatkino. Saint Petersburg, Russia, July 20, 2012
 Hoverfly (Syrphidae, Russian name Zhurchalka) on roadside flowers west from Deviatkino. Saint Petersburg, Russia, July 20, 2012
 Pink clover (trefoil, Russian name Klever) in fields west from Deviatkino. Saint Petersburg, Russia, July 20, 2012
 Tansy (Tanacetum vulgare, Russian name Pizhma) in fields west from Deviatkino. Saint Petersburg, Russia, July 20, 2012
 Umbels of flowers of Angelica sylvestris (Russian name Dudnik) in fields west from Deviatkino. Saint Petersburg, Russia, July 20, 2012
 Umbel inflorescence of Angelica sylvestris (Russian name Dudnik) in fields west from Deviatkino. Saint Petersburg, Russia, July 20, 2012
 Sneezewort yarrow (Achillea ptarmica, Russian name chihotnik) in fields west from Deviatkino. Saint Petersburg, Russia, July 20, 2012
 Brown Knapweed (Centaurea jacea, Russian name Vasioliok) in fields west from Deviatkino. Saint Petersburg, Russia, July 20, 2012
 Umbel inflorescence of Angelica sylvestris (Russian name Dudnik) in fields west from Deviatkino. Saint Petersburg, Russia, July 20, 2012
 Yellow Rattle (Cockscomb, Rhinanthus minor, Russian name Pogremok) on roadside west from Deviatkino. Saint Petersburg, Russia, July 20, 2012
 White campion (Silene alba, Melandrium album, Russian name Drioma) in fields west from Deviatkino. Saint Petersburg, Russia, July 20, 2012
 Flower of white campion (Silene alba, Melandrium album, Russian name Drioma) in fields west from Deviatkino. Saint Petersburg, Russia, July 20, 2012
 Flowers of fireweed (Chamerion angustifolium, Epilobium angustifolium, Russian name Ivan Chay) west from Deviatkino. Saint Petersburg, Russia, July 20, 2012
 Cabbage thistle (Cirsium oleraceum, Russian name Bodyak) in Aleksandrovsky Park in Pushkin (former Tsarskoe Selo), a suburb of Saint Petersburg. Russia, July 10, 2010
 Fireweed (Chamerion angustifolium, Epilobium angustifolium, Russian name Ivan Chay) in fields near Brachnev Creek west from Deviatkino. Saint Petersburg, Russia, July 20, 2012
 Close up of Cabbage thistle (Cirsium oleraceum, Russian name Bodyak) in Aleksandrovsky Park in Pushkin (former Tsarskoe Selo), a suburb of Saint Petersburg. Russia, July 10, 2010
 Blooming Cabbage thistle (Cirsium oleraceum, Russian name Bodyak) in Aleksandrovsky Park in Pushkin (former Tsarskoe Selo), a suburb of Saint Petersburg. Russia, July 10, 2010
 Cabbage thistle (Cirsium oleraceum, Russian name Bodyak) in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, July 19, 2015
 Immature flower head of Cabbage thistle (Cirsium oleraceum, Russian name Bodyak) in Aleksandrovsky Park in Pushkin (former Tsarskoe Selo), a suburb of Saint Petersburg. Russia, July 10, 2010
 Blue lupin on roadside west from Deviatkino. Saint Petersburg, Russia, July 20, 2012
 Fields west from Deviatkino, 1 mile north from Saint Petersburg. Russia, July 26, 2012
 Cultivated cabbage field west from Deviatkino. Saint Petersburg, Russia, July 20, 2012
 Roadside daisy in fields west from Deviatkino. Saint Petersburg, Russia, July 20, 2012
 Power lines in fields west from Deviatkino. Saint Petersburg, Russia, July 20, 2012
 Lesnoy Rychey Creek crossing west from Deviatkino. Saint Petersburg, Russia, July 26, 2012
 Fireweed growing under power lines west from Deviatkino. Saint Petersburg, Russia, July 20, 2012
 Flower of thistle in fields west from Deviatkino. Saint Petersburg, Russia, June 29, 2011
 Yellow Loosestrife (Lysimachia vulgaris) in fields west from Deviatkino. Saint Petersburg, Russia, July 20, 2012
 Yellow flowers of aster family on roadside west from Deviatkino. Saint Petersburg, Russia, July 20, 2012
 Center part of a daisy flower in fields west from Deviatkino. Saint Petersburg, Russia, July 20, 2012
 Wood cranesbill (Geranium sylvaticum) in fields west from Deviatkino. Saint Petersburg, Russia, July 20, 2012
 A fly on wood cranesbill (Geranium sylvaticum) in fields west from Deviatkino. Saint Petersburg, Russia, July 20, 2012
 White phenotype of thistle in fields west from Deviatkino. Saint Petersburg, Russia, June 29, 2011
 Long leaf Speedwell (Veronica longifolia) on roadside west from Deviatkino. Saint Petersburg, Russia, July 20, 2012
 Flower of wood cranesbill (Geranium sylvaticum) in fields west from Deviatkino. Saint Petersburg, Russia, July 20, 2012
 Moth on tansy flowers in fields west from Deviatkino, 1 mile north from Saint Petersburg. Russia, July 26, 2012
 Hoverfly (Syrphidae) on yellow aster in fields west from Deviatkino, 1 mile north from Saint Petersburg. Russia, July 26, 2012
 Field road in the area of former black markets west from Deviatkino, 1 mile north from Saint Petersburg. Russia, July 26, 2012
 Field thistle (Cirsium) in Siverskaya, 50 miles south from Saint Petersburg. Russia, July 13, 2017
 Tufted vetch (Vicia cracca) on roadside in fields west from Deviatkino, 1 mile north from Saint Petersburg. Russia, July 26, 2012
 Field thistle (Cirsium) east from Toksovo, 10 miles north from Saint Petersburg. Russia, July 9, 2009
 Flowers of field thistle (Cirsium) in Siverskaya, 50 miles south from Saint Petersburg. Russia, July 13, 2017
 Creeping thistle rust fungus (Puccinia punctiformis) in Siverskaya, 50 miles south from Saint Petersburg. Russia, July 13, 2017
 Fungus of creeping thistle rust (Puccinia punctiformis) in Siverskaya, 50 miles south from Saint Petersburg. Russia, July 13, 2017
 Flower of Marsh Hedgenettle (Stachys palustris) on roadside in fields west from Deviatkino, 1 mile north from Saint Petersburg. Russia, July 26, 2012
 Meadow vetchling (meadow pea, Lathyrus pratensis) in fields west from Deviatkino. Saint Petersburg, Russia, July 20, 2012
 Cone-shaped flowers of pineapple weed (Matricaria discoidea, Chamomilla suaveolens) on roadside in fields west from Deviatkino, 1 mile north from Saint Petersburg. Russia, July 26, 2012
 Florets of a thistle (Cirsium engelmannii) in Lick Creek Park. College Station, Texas, July 7, 2012
 Thistle (Cirsium engelmannii) on sewage line right of way in Lick Creek Park. College Station, Texas, July 7, 2012
 Thistle flower heads (Cirsium engelmannii) in Lick Creek Park. College Station, Texas, July 7, 2012
 Tansy (Tanacetum vulgare, Russian name Pizhma) in fields near Deviatkino in northern Saint Petersburg. Russia, July 25, 2016
 Flower bud of Angelica sylvestris (Russian name Dudnik) in fields west from Deviatkino. Saint Petersburg, Russia, June 29, 2011
 Tansy (Tanacetum vulgare, Russian name Pizhma) in fields west from Deviatkino. Saint Petersburg, Russia, June 29, 2011
 Flower bud Angelica sylvestris (Russian name Dudnik) in fields west from Deviatkino. Saint Petersburg, Russia, June 29, 2011
 Brown Knapweed (Centaurea jacea, Russian name Vasioliok) in fields near Deviatkino in northern Saint Petersburg. Russia, July 25, 2016
 Evening primrose (Oenothera biennis, Russian name Oslinnik) in fields near Deviatkino in northern Saint Petersburg. Russia, July 26, 2016
 Sneezewort yarrow (Achillea ptarmica, Russian name chihotnik) in fields near Deviatkino in northern Saint Petersburg. Russia, July 25, 2016
 Hemp-nettle (Galeopsis speciosa, Russian name Pikulnik) in fields near Deviatkino in northern Saint Petersburg. Russia, July 25, 2016
 Blooming heather (Calluna vulgaris, Russian name Veresk) in fields near Deviatkino in northern Saint Petersburg. Russia, July 25, 2016
 Asiatic dock (Rumex confertus, Russian name Shchavel) in fields near Deviatkino in northern Saint Petersburg. Russia, July 25, 2016
 Purple loosestrife (Lythrum salicaria, Russian name Derbennik) in fields near Deviatkino in northern Saint Petersburg. Russia, July 25, 2016
 Hemp-nettle (Galeopsis speciosa, Russian name Pikulnik) in fields west from Deviatkino. Saint Petersburg, Russia, June 29, 2011
 Yellow bedstraw (Galium verum, Russian name Podmarennik) in fields west from Deviatkino. Saint Petersburg, Russia, June 29, 2011
 Bud of an umbel inflorescence of Angelica sylvestris (Russian name Dudnik) in fields west from Deviatkino. Saint Petersburg, Russia, June 29, 2011
 Sneezewort yarrow (Achillea ptarmica, Russian name chihotnik) in fields west from Deviatkino. Saint Petersburg, Russia, June 29, 2011
 Bladder campion (Oberna behem, Russian name Klopushka) in fields west from Deviatkino. Saint Petersburg, Russia, June 29, 2011
 Evening primrose (Oenothera biennis, Russian name Oslinnik) in fields west from Deviatkino. Saint Petersburg, Russia, June 29, 2011
 Umbellifer plants of Angelica sylvestris (Russian name Dudnik) in fields west from Deviatkino. Saint Petersburg, Russia, June 29, 2011
 Vetch (Vicia) in fields west from Deviatkino. Saint Petersburg, Russia, August 15, 2012
 Red berries of bittersweet nightshade (Solanum dulcamara, Russian name Paslion) in fields near Deviatkino in northern Saint Petersburg. Russia, July 25, 2016
 Orchard grass (Dactylis glomerata, Russian name Ezha sbornaya) in fields near Deviatkino in northern Saint Petersburg. Russia, July 25, 2016
 Fringed willow-herb (Epilobium adenocaulon, Russian name Kiprey) in fields near Deviatkino in northern Saint Petersburg. Russia, July 25, 2016
 Tufted vetch (Vicia cracca, Russian name Myshiny Goroshek) in fields near Deviatkino in northern Saint Petersburg. Russia, July 25, 2016
 Opening umbel inflorescence of Angelica sylvestris (Russian name Dudnik) in fields west from Deviatkino. Saint Petersburg, Russia, June 29, 2011
 Emerging umbel inflorescence of Angelica sylvestris (Russian name Dudnik) in fields west from Deviatkino. Saint Petersburg, Russia, June 29, 2011
 White campion (Silene alba, Melandrium album, Russian name Drioma) in fields west from Deviatkino. Saint Petersburg, Russia, June 29, 2011
 Emerging umbel flower of Hogweed (Heracleum sosnowskyi, Russian name Borshchevik) in fields west from Deviatkino. Saint Petersburg, Russia, June 29, 2011
 Moneywort (Creeping Jenny, Lysimachia nummularia, Russian name Verbeynik) in Dubki Park in Sestroretsk, west from Saint Petersburg. Russia, June 30, 2011
 Moneywort (Creeping Jenny, Lysimachia nummularia, Russian name Verbeynik) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 28, 2017
 Red Odontites (Odontites vulgaris, Russian name Zubchatka) in fields near Deviatkino in northern Saint Petersburg. Russia, July 25, 2016
 Moneywort (Creeping Jenny, Lysimachia nummularia, Russian name Verbeynik) in Aleksandrovsky Park in Pushkin (former Tsarskoe Selo), a suburb of Saint Petersburg. Russia, July 10, 2010
 Flowers of Red Odontites (Odontites vulgaris, Russian name Zubchatka) in fields near Deviatkino in northern Saint Petersburg. Russia, July 25, 2016
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