Figure 1.
Left:  Robust first year juveniles of Cirsium pitcheri under cultivation in the W. J. Beal Botanical Garden.
Middle:  Two robust juveniles of Cirsium pitcheri of unknown age in situ, North Manitou Island, Lake Michigan.
Right:  In situ adult Cirsium pitcheri, Manistique, MI (photo provided by Peter Carrington).