| Name | Thryallis langlassei S. F. Blake |
| Authorship | S. F. Blake |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Thryallis Martius |
| GUID | urn:lsid:ipni.org:names:252843-2 |
| Citation | 1917 Contr. Gray Herb. 52: 71 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Thryallis langlassei S. F. Blake |
| Identification made in | [no date] (1), 1970 (1), 2007 (1) |