 Hoverfly (Syrphidae) on yellow aster in fields west from Deviatkino, 1 mile north from Saint Petersburg. Russia, July 26, 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
 Tansy (Tanacetum vulgare, Russian name Pizhma) in fields near Deviatkino in northern Saint Petersburg. Russia, July 25, 2016
 Yellow flowers of aster family on roadside west from Deviatkino. Saint Petersburg, Russia, July 20, 2012
 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
 Purple loosestrife (Lythrum salicaria, Russian name Derbennik) 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
 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
 Flower of creeping thistle (Cirsium arvense, Russian name Bodiak) 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
 Red berries of bittersweet nightshade (Solanum dulcamara, Russian name Paslion) 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
 Fringed willow-herb (Epilobium adenocaulon, Russian name Kiprey) in fields near Deviatkino in northern Saint Petersburg. Russia, July 25, 2016
 Blue aster (Symphyotrichum) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 23, 2009
 Meadow vetchling (meadow pea, Lathyrus pratensis) in fields near Deviatkino in northern Saint Petersburg. Russia, July 25, 2016
 Red Odontites (Odontites vulgaris, Russian name Zubchatka) in fields near Deviatkino in northern Saint Petersburg. Russia, July 25, 2016
 Flowers of Red Odontites (Odontites vulgaris, Russian name Zubchatka) in fields near Deviatkino in northern Saint Petersburg. Russia, July 25, 2016
 Red Odontites (Odontites vulgaris, Russian name Zubchatka) on black background in fields near Deviatkino in northern Saint Petersburg. Russia, July 25, 2016
 White heath aster (Symphyotrichum ericoides) in Bee Creek Park. College Station, Texas, November 11, 2020
 Goldilocks aster (Galatella linosyris) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 18, 2016
 Goldilocks aster (Galatella linosyris) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 26, 2016
 Goldilocks aster (Galatella linosyris) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 29, 2016
 Blooming white heath aster (Symphyotrichum ericoides) in Bee Creek Park. College Station, Texas, November 11, 2020
 Close-up of white heath aster (Symphyotrichum ericoides) in Bee Creek Park. College Station, Texas, November 11, 2020
 White heath aster (Symphyotrichum ericoides) in Lick Creek Park. College Station, Texas, November 10, 2020
 White heath aster (Symphyotrichum ericoides) in Lick Creek Park. College Station, Texas, November 15, 2023
 Flowers of goldilocks aster (Galatella linosyris) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 26, 2016
 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
 Blooming aster (Symphyotrichum) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, October 22, 2024
 Flower bud of an orange flower of aster family in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 26, 2016
 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
 Power lines in fields west from Deviatkino. Saint Petersburg, Russia, July 20, 2012
 Blooming aster (Symphyotrichum) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Richards Loop Trail in Sam Houston National Forest. Texas, October 20, 2024
 White heath aster (Symphyotrichum ericoides) in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 18, 2020
 White heath aster (Symphyotrichum ericoides) in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 12, 2020
 Flowers of roadside aster (Aster exilis) from a lawn of apartments at George Bush Drive. College Station, Texas, October 21, 2024
 Flowers of white heath aster (Symphyotrichum ericoides) in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 18, 2020
 White heath aster (Symphyotrichum ericoides) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from a ditch in Bee Creek Park. College Station, Texas, November 11, 2024
 Wood cranesbill (Geranium sylvaticum) in fields 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
 Center part of a daisy flower 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
 A fly on 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
 Flower of wood cranesbill (Geranium sylvaticum) 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
 Pink clover (trefoil, Russian name Klever) in fields west from Deviatkino. Saint Petersburg, Russia, July 20, 2012
 Dry seeds of white heath aster (Symphyotrichum ericoides) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, January 21, 2024
 Sneezewort yarrow (Achillea ptarmica, Russian name chihotnik) 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
 Umbels of flowers of Angelica sylvestris (Russian name Dudnik) in fields west from Deviatkino. Saint Petersburg, Russia, July 20, 2012
 Aster flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, October 15, 2016
 Aster flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, October 26, 2016
 Yellow aster in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, October 15, 2016
 Aster flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 11, 2016
 Tufted vetch (Vicia cracca) on roadside in fields west from Deviatkino, 1 mile north from Saint Petersburg. Russia, July 26, 2012
 Blue aster in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 10, 2009
 Red flower of aster family in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, August 14, 2016
 Yellow aster flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 11, 2016
 White campion (Silene alba, Melandrium album, Russian name Drioma) in fields west from Deviatkino. Saint Petersburg, Russia, July 20, 2012
 Bumblebee on Spear Thistle (Cirsium vulgare) on roadside in fields west from Deviatkino, 1 mile north from Saint Petersburg. Russia, July 26, 2012
 Flower of Marsh Hedgenettle (Stachys palustris) on roadside in fields west from Deviatkino, 1 mile north from Saint Petersburg. Russia, July 26, 2012
 White flowers of aster Symphyotrichum drummondii both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, October 10, 2024
 Green grasshopper on a flower of aster family in Posiolok near Vyritsa, south from Saint Petersburg, Russia, July 9, 2017
 Flower of white campion (Silene alba, Melandrium album, Russian name Drioma) in fields west from Deviatkino. Saint Petersburg, Russia, July 20, 2012
 White aster Symphyotrichum drummondii when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, October 10, 2024
 Goldilocks aster (Galatella linosyris) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 22, 2015
 Meadow vetchling (meadow pea, Lathyrus pratensis) in fields west from Deviatkino. Saint Petersburg, Russia, July 20, 2012
 Michaelmas daisy (Aster amellus Rudolph Goethe) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 11, 2016
 Flower buds of yellow flowers of aster family in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 16, 2015
 Flowers of Michaelmas daisy (Aster amellus Rudolph Goethe) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 11, 2016
 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
 Texas aster (Aster texanus) near a pond of Upper falls in McKinney Falls State Park. Austin, Texas, October 26, 2008
 Blue flowers of Michaelmas daisy (Aster amellus Rudolph Goethe) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 11, 2016
 Brown fly on a yellow aster north from Vyritsa, 50 miles north from Saint Petersburg. Russia, July 18, 2012
 Fireweed (Chamerion angustifolium, Epilobium angustifolium, Russian name Ivan Chay) in fields near Brachnev Creek west from Deviatkino. Saint Petersburg, Russia, July 20, 2012
 Bedstraw (Galium) in fields west from Deviatkino. Saint Petersburg, Russia, June 29, 2011
 Weevil beetle in fields west from Deviatkino. Saint Petersburg, Russia, June 29, 2011
 Curly dock in fields west from Deviatkino. Saint Petersburg, Russia, June 29, 2011
 Vetch (Vicia) in fields west from Deviatkino. Saint Petersburg, Russia, August 15, 2012
 Flower of thistle in fields west from Deviatkino. Saint Petersburg, Russia, June 29, 2011
 Skipper on a daisy in fields west from Deviatkino. Saint Petersburg, Russia, June 29, 2011
 Daisy on roadside in fields west from Deviatkino. Saint Petersburg, Russia, June 29, 2011
 Melampyrum nemorosum in fields west from Deviatkino. Saint Petersburg, Russia, June 29, 2011
 Power lines in fields west from Deviatkino. Saint Petersburg, Russia, June 29, 2011
 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
 Close up of pink orchid in fields west from Deviatkino. Saint Petersburg, Russia, June 29, 2011
 White phenotype of thistle in fields west from Deviatkino. Saint Petersburg, Russia, June 29, 2011
 Field thistle (Cirsium) in fields west from Deviatkino. Saint Petersburg, Russia, June 29, 2011
 Field scabious (Knautia arvensis) in fields west from Deviatkino. Saint Petersburg, Russia, June 29, 2011
 St. John s Wort (Hypericum perforatum) in fields west from Deviatkino. Saint Petersburg, Russia, June 29, 2011
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