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A perennial field thistle considered to be invasive
Phacelia tanacetifolia blue tansy
A close-up shot of a bull thistle, showcasing its delicate petals against a softly blurred background.
A blue thistle wildflower against a plain white background.
Purple flower of thistle plant with green bud isolated on a white background. Cirsium vulgare.
Heather in bloom in the moorland hills of Scotland's Highlands.  Please note shallow depth of field.
Astragalus sp. - inflorescence with purple flowers on a dark background, southern Ukraine
thistle butterfly
Creeping thistles in a summer meadow
Silybum marianum flower close-up.
Creeping Thistle blooming in summer, Cirsium arvense.
Tall biennial to 1,5m, stem with sharp spiny Wings to the Top, Leaves lanceolate, pinnately -lobed, spiny-margined, dull green, prickly-hairy on the upper Surface. Flower heads purple, 20-40mm, in a panicle or flat topped Cluster.\nHabitat: Grassy and waste Places, disturbed Ground, often on fertile base-rich soils. Flower Season: July-October.\nDistribution: Throughout Europe (North America), except the far North. Cosmopolite?\n\nThis Picture is made during a Vacation to Ireland in July 2022.
Floral blue-violet background.  Pink  thorny thistle flower. A pink flower on a blue background. Closeup.  Nature. .
Purple and white thistle like flower.
Pink flowering thistle Cardus marianus or Saint Mary's thistle (Silybum marianum)on background of blurred greens. Milk thistle is valuable plant used for medicinal purposes. Selective focus close-up
A single, purple flower of the Spear Thistle (Cirsium vulgare) growing in central Scotland
Spear thistle flower and foliage isolated against white
Milk thistle (Silybum marianum) black background
meadow herbs ivan-tea, sweet clover and thistle growing in the field
A Scottish Thistle in bloom and isolated on a white background.
A bee flies near a beautiful blue flower. CREATIVE. A flower with blue petals in a meadow. Insects are on the flower. The wind blows a flower growing in a clearing.
Symphytum officinale is a perennial flowering plant of the genus Symphytum in the family Boraginaceae. Along with thirty four other species of Symphytum, it is known as comfrey. To differentiate it from other members of the genus Symphytum, this species is known as common comfrey or true comfrey.
Beautiful growing flower root burdock thistle on background meadow, photo consisting from growing flower root burdock thistle to grass meadow, growing flower root burdock thistle at meadow countryside
Little Creve Coeur Marsh - Thistle Flower & Green Background
Silybum marianum in garden
Scotch thistle also know as cotton thistle or heraldic thistle.
Borage (Borago officinalis)
closeup of marsh thistle flower blooming in spring
Cornflower in an English country garden.
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