See U.S. county distributions (when available) by clicking on the map or the linked states below:
USA (AK, AL, CO, CT, DC, IL, IN, KS, MA, ME, MI, MN, NC, NH, NY, OH, PA, UT, VA, VT, WI, WY), CAN (AB, BC, MB, NB, NS, NT, ON, QC, SK, YT)
More Accounts and Images:
Rheum rhabarbarum L.
View species account and distribution map from Flora of North America (FNA).
View species account from ARS Germplasm Resources Information Network (GRIN).
View taxonomic account from Integrated Taxonomic Information System (ITIS) for ITIS Taxonomic Serial Number 504747.
View species account from Native American Ethnobotany (University of Michigan - Dearborn).
View species account and photographs from University of Wisconsin - Stevens Point Freckmann Herbarium.