| 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) |