See U.S. county distributions (when available) by clicking on the map or the linked states below: USA (CT, IA, KY, MA, MD, ME, MI, MN, NC, NH, NJ, NY, OH, PA, SD, VA, VT, WI, WV), CAN (MB, NB, NS, ON, QC)
Related Taxa: Circaea ×intermedia Ehrh. (pro sp.) [alpina × lutetiana]