Cirsium vulgare is a species of thistle that is commonly found in North America, Europe, and Asia. It is known by various synonyms such as Carduus lanceolatus, Cirsium altissimum, and Cirsium lanceolatum. This plant is known for its large purple flowers that bloom in the summer months and its unique spiky foliage. The leaves and roots of Cirsium vulgare have been used in traditional medicine to treat a variety of ailments such as liver problems and skin conditions. This plant is also an important food source for bees and other pollinators, making it an important part of many ecosystems.