Thistle, Marsh

Regulated Act: Alberta Weed Control Act

Provincial Designation: Prohibited Noxious

Colour: Purple

Latin Name: Cirsium palustre

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Marsh Thistle Flower _ Stem Rob Routledge, Sault College, Bugwood.org

Marsh Thistle Flower _ Stem Photo Credit Rob Routledge, Sault College, Bugwood.org

Marsh Thistle Leaf Caleb Slemmons, National Ecological Observatory Network, Bugwood.org

Marsh Thistle Leaf Photo Credit Caleb Slemmons, National Ecological Observatory Network, Bugwood.org

Marsh Thistle Stem Caleb Slemmons, National Ecological Observatory Network, Bugwood.org

Marsh Thistle Stem Photo Credit Caleb Slemmons, National Ecological Observatory Network, Bugwood.org

Marsh Thistle Whole Plant Caleb Slemmons, National Ecological Observatory Network, Bugwood.org

Marsh Thistle Whole Plant Photo Credit Caleb Slemmons, National Ecological Observatory Network, Bugwood.org

Thistle, Marsh