| Name | Groutiella rugosa (Grout) H. A. Crum & Steere |
| Authorship | (Grout) H. A. Crum & Steere |
| Rank | Species |
| Placed in | Groutiella |
| Citation | 1950 Bryologist 53:147 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Groutiella rugosa (Grout) H. A. Crum & Steere |
| Identification made in | [no date] (1), 1956 (2), 1960 (1) |