The species was previously reported as Heterobasidion annosum, which is now thought to be restricted to Europe. Heterobasidion irregulare is the North American counterpart.
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 |