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Thistle flower against a black background
Spotted Knapweed in bloom along Skyline Drive in the Shenandoah National Park, Virginia.
A stunning close-up capture of the beautiful Common Knapweed flower Centaurea nigra in full bloom. This vibrant purple wildflower adds natural beauty to meadows and gardens. Brecon Beacons, Wales
A back lit shot of knapweed during sunset.
Close up photo of the wild flower Scabious Star
Beautiful wild flowers in a meadow
Blossom of mountain knapweed against a green background. Close-up of the flowering plant. Centaurea montana.
close-up of purple thistle in Spain from benidorm
The bee on flower of Centaurea triumfettii, the squarrose knapweed
Carduus argentatus, Silver thorn, from the daisy family - Derebucak district, Çamlık Caves National Park
Macro closeup of one pink purple fluffy thistle flower with bokeh background on hiking trail in Sugar Mountain, North Carolina summer
Close-up of a delicate light purple flower in full bloom with a blurred green background.
Spotted Knapweed holding out as one of the last to bloom during late september.
Purple and white thistle like flower.
close up view of a purple blossom of horse-knops. macrophotography
Insect-covered Cornflower head against a green, leafy background. Pembrokeshire, Wales.
Wild field purple flower with a view from above. Cornflower meadow (centaurea jacea) close-up.
High-resolution macro photograph of the Centaurea cyanus flower, commonly known as cornflower. This image emphasizes its richly detailed purple petals, vivid colors, and botanical anatomy for educational and artistic purposes.
Gentle purple flower in the meadow
Centaurea montana, known as perennial cornflower, mountain cornflower, bachelor's button, montane knapweed or mountain bluet, isolated on a white background.
Flower of Rough star-thistle, Centaurea aspera. Photo taken in Carabassi Beach, province of Alicante, Spain
Close up of thistle flower.
Close-up of brown knapweed in bloom with green blurred background
Stokes Aster
Violet flower against a green meadow. Natural background. Summer. Web banner.
Isolated in black
An artistic photograph of a unique cornflower (centaurea cyanus) . This endangered specimen is at the beginning of its bloom and captivates with unique clarity and symmetry of the flower structures.
Purple meadow flower growing uncultivated, sunny springtime in nature, selective focus
Purple Knapweed (centaurea jacea) in a forest closeup
Cornflower close up
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