| Name | Petastoma langlasseanum Kraenzlin |
| Authorship | Kraenzlin |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Petastoma |
| GUID | urn:lsid:ipni.org:names:110285-1 |
| Citation | 1921 Repert. Spec. Nov. Regni Veg. 17: 56 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Petastoma langlasseanum Kraenzlin |
| Identification made in | [no date] (1) |