We rarely think about thistles as being a source of food but when CAREFULLY harvested, these can be consumed. Canada thistle (Cirsium arvense) contains a large amount of nutrients! For more info see the link below.
Unlike other thistles, the Canada thistle has a deep and wide-spreading root system.
– Canada Thistle (identification, distinguishing features, flowers, leaves, height, habitat & edible parts): https://www.ediblewildfood.com/canada-thistle.aspx
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