Distinguished by slimy, dark brownish-black color. According to Bessette, the name irrigata means "of wet places." Might be rare in Maryland, although it is widely distributed and is likely overlooked. (L. Biechele, pers. comm.)
There are 6 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 |