| Name | Hierochloë orthantha Sorensen |
| Authorship | Sorensen |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Hierochloë |
| Citation | 1954 Meddel. Grønland. 136: 8 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Hierochloë orthantha Sorensen |
| Identification made in | [no date] (2) |