| Name | Weisiopsis oblonga Thériot |
| Authorship | Thériot |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Weisiopsis |
| Citation | 1933 Rev. Bryol. Lichenol. 5: 95. 2 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Weisiopsis oblonga Thériot |
| Identification made in | [no date] (2) |