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Lilac flowers of milk thistle and thorn
Photo of thistle flowers.
Blooming (flowering) thistle. Soft view and background with Cotton Thistle (Onopordum acanthium).
Purple Thistle Flowers - Meadow of purple/magenta wildflowers with selective focus on foreground flowers.
Silybum marianum herbal remedy. Pink milk thistle flowers, close up.
Flowering Milk Thistle (Silybum marianum). Also known as Marian's Thistle, St. Mary's Thistle, Holy Thistle, and Blessed Thistle. Historically used as a medicinal herb. An invasive species in many areas.
tle (Ptilostemon casabonae) stock photo
Purple flower of a Scottish Thistle.
Thistle plant in nature, seed head, close-up.
close-up of purple thistle in Spain from benidorm
Purple artichokes flowers vertical image Marche Italy
Purple Thistle flower
close up view of thistle in bloom on sunny summer day
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Summer landscape. Spain, Catalonia, Costa Brava, El Port de la Selva
The Elk Thistle (Cirsium eatonii) is a thistle native to Jackson Hole in Wyoming. As its name implies, elk feed on this plant. It is also called Everts Thistle after Truman Everts, a member of the 1870 Washburn–Langford–Doane Expedition, who explored the area that later became Yellowstone National Park.  Everts became lost and survived for a month by eating the elk thistle.  This elk thistle in bloom was photographed at Oxbow Bend in Grand Teton National Park near Jackson, Wyoming, USA.
Close up Cobweb Thistle (Cirsium occidentale) wildflower, California
Bright purple florets emerge from spiny green heads of Common Burdock (Arctium minus), a wild plant with clinging burrs.
A pink beautiful spear thistle
Close up of thistle flower heads prior to blooming
Eryngium campestre is a perennial herb in the family Apiaceae.
Field thistle.
Blessed milk thistle flowers in field, close up. Silybum marianum herbal remedy, Saint Mary's Thistle, Marian Scotch thistle, Mary Thistle, Cardus marianus bloom
Purple wildflowers in a nature reserve in Den Bosch (‘s-Hertogenbosch)
Blooming wild artichoke plant in the nature. Cynara cardunculus purple flower cardoon
Cebolino allium schoenoprasum
Close-up on a thistle flower
Milk thistle in shallow depth of field
Flowers of the Milk Thistle close-up outdoors
Landscape Rhodope Mountain. Bulgaria
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