![Two plants, holy thistle (Silybum marianum) and Canada thistle (Cirsium arvense): flowering and fruiting stems. Coloured etching by C. Pierre, c. 1865, after P. Naudin. | Wellcome Collection Two plants, holy thistle (Silybum marianum) and Canada thistle (Cirsium arvense): flowering and fruiting stems. Coloured etching by C. Pierre, c. 1865, after P. Naudin. | Wellcome Collection](https://iiif.wellcomecollection.org/image/V0044110EL/full/800%2C/0/default.jpg)
Two plants, holy thistle (Silybum marianum) and Canada thistle (Cirsium arvense): flowering and fruiting stems. Coloured etching by C. Pierre, c. 1865, after P. Naudin. | Wellcome Collection
![A closeup of the purple blossom of the Blessed Thistle in the English Gardens in Winnipeg Manitoba Canada Stock Photo - Alamy A closeup of the purple blossom of the Blessed Thistle in the English Gardens in Winnipeg Manitoba Canada Stock Photo - Alamy](https://c8.alamy.com/comp/A42B4M/a-closeup-of-the-purple-blossom-of-the-blessed-thistle-in-the-english-A42B4M.jpg)
A closeup of the purple blossom of the Blessed Thistle in the English Gardens in Winnipeg Manitoba Canada Stock Photo - Alamy
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