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
Flower buds of thistle (Cirsium) in fields near Deviatkino in northern Saint Petersburg. Russia, July 25, 2016
Spear Thistle (Cirsium vulgare) 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
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
Hoverfly (Syrphidae, Russian name Zhurchalka) on roadside flowers 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
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
Umbel inflorescence of Angelica sylvestris (Russian name Dudnik) 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
Sneezewort yarrow (Achillea ptarmica, Russian name chihotnik) 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
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
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
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
Roadside daisy in fields 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
Blue lupin on roadside 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
A fly on wood cranesbill (Geranium sylvaticum) in fields west from Deviatkino. Saint Petersburg, Russia, July 20, 2012
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
White phenotype of thistle in fields west from Deviatkino. Saint Petersburg, Russia, June 29, 2011
Moth on tansy flowers in fields west from Deviatkino, 1 mile north from Saint Petersburg. Russia, July 26, 2012
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
Field road in the area of former black markets 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 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
Flowers of field thistle (Cirsium) in Siverskaya, 50 miles south from Saint Petersburg. Russia, July 13, 2017
Field thistle (Cirsium) east from Toksovo, 10 miles north from Saint Petersburg. Russia, July 9, 2009
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
Florets of a thistle (Cirsium engelmannii) in Lick Creek Park. College Station, Texas, July 7, 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
Thistle flower heads (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
Tansy (Tanacetum vulgare, Russian name Pizhma) in fields near Deviatkino in northern Saint Petersburg. Russia, July 25, 2016
Flower bud 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 of Angelica sylvestris (Russian name Dudnik) in fields west from Deviatkino. Saint Petersburg, Russia, June 29, 2011
Purple loosestrife (Lythrum salicaria, Russian name Derbennik) in fields near Deviatkino in northern Saint Petersburg. Russia, July 25, 2016
Sneezewort yarrow (Achillea ptarmica, Russian name chihotnik) in fields near Deviatkino in northern Saint Petersburg. Russia, July 25, 2016
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
Blooming heather (Calluna vulgaris, Russian name Veresk) 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
Asiatic dock (Rumex confertus, Russian name Shchavel) in fields near Deviatkino in northern Saint Petersburg. Russia, July 25, 2016
Sneezewort yarrow (Achillea ptarmica, Russian name chihotnik) 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
Yellow bedstraw (Galium verum, Russian name Podmarennik) 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
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
Hemp-nettle (Galeopsis speciosa, Russian name Pikulnik) in fields west from Deviatkino. Saint Petersburg, Russia, June 29, 2011
Vetch (Vicia) in fields west from Deviatkino. Saint Petersburg, Russia, August 15, 2012
Tufted vetch (Vicia cracca, Russian name Myshiny Goroshek) 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
Red berries of bittersweet nightshade (Solanum dulcamara, Russian name Paslion) in fields near Deviatkino in northern Saint Petersburg. Russia, July 25, 2016
Emerging umbel inflorescence of Angelica sylvestris (Russian name Dudnik) in fields west from Deviatkino. Saint Petersburg, Russia, June 29, 2011
Opening umbel inflorescence of Angelica sylvestris (Russian name Dudnik) 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
White campion (Silene alba, Melandrium album, Russian name Drioma) 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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