Blue cohosh
Caulophyllum thalictroides
- Berberidaceae
- Dicot
- Perennial
Native to 35 states
- Alabama
- Arkansas
- Connecticut
- Delaware
- District of Columbia
- Georgia
- Illinois
- Indiana
- Iowa
- Kansas
- Kentucky
- Maine
- Maryland
- Massachusetts
- Michigan
- Minnesota
- Mississippi
- Missouri
- Nebraska
- New Hampshire
- New Jersey
- New York
- North Carolina
- North Dakota
- Ohio
- Pennsylvania
- Rhode Island
- South Carolina
- South Dakota
- Tennessee
- Vermont
- Virginia
- Washington
- West Virginia
- Wisconsin