| Name | Physarum penetrale Rex |
| Authorship | Rex |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Physarum |
| GUID | urn:lsid:indexfungorum.org:names:237749 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Physarum penetrale Rex |
| Identification made in | [no date] (4) |