"Adventive from the Tropics; from Massachusetts and New York south to Maryland and the District of Columbia. In Maryland this has become a genuine pesty weed, especially in spinach fields" (Reed, 1964).
There are 8 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 |