| Name | Physarum connatum (Peck) G. Lister | 
| Authorship | (Peck) G. Lister | 
| Rank | Species | 
| NomenclaturalStatus | LaterHomonym | 
| Placed in | Physarum | 
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Physarum connatum (Peck) G. Lister | 
| Identification made in | 1911 (1) |