Pitcher’s thistle (Cirsium pitcheri)

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Illustration of Cirsium pitcheri by Derek Norman

Species: Cirsium pitcheri
Common Name: Pitcher’s thistle
Status: Threatened, Federal Endangered
Species Act; Endangered, Canada
Range: Great Lakes, North America

Map of North America illustrating the range of Cirsium pitcheri

Artist: Derek Norman
Artist Home Country: United States
Medium: Pen and ink

As many as 30 different insect species visit the pitcher’s thistle, which flowers and sets seed only once in its lifetime . Its home is limited to windswept beaches and sandy dunes of the Great Lakes, primarily Lake Michigan.

National Herbarium preserved specimen of Cirsium pitcheri