Considered rare (Terrell & Peterson, 2009). "Introduced from Europe; rare in eastern United States, Maine to Pennsylvania, Maryland, Missouri and westward; a common weed on the Pacific Coast" (Reed, 1964).
There are 3 records in the project database.
| GA | AL | WA | FR | CL | MO | HO | BA | BC | HA | CE | PG | AA | CV | CH | SM | KE | QA | CN | TA | DO | WI | SO | WO |