| Name | Coelorachis rugosa (Nuttall) Nash |
| Authorship | (Nuttall) Nash |
| Rank | Species |
| Placed in | Coelorachis |
| Citation | 1909 N. Amer. Fl. 17(1): 86 |
| Holdings | 85 Specimens held in the Harvard University Herbaria identified as Coelorachis rugosa (Nuttall) Nash |
| Identification made in | [no date] (85) |