| Name | Groutiella undosa (Cardot) H. A. Crum & Steere |
| Authorship | (Cardot) H. A. Crum & Steere |
| Rank | Species |
| Placed in | Groutiella |
| Citation | 1950 Bryologist 53: 147 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Groutiella undosa (Cardot) H. A. Crum & Steere |
| Identification made in | [no date] (1) |