| Name | Eurhynchium rappii (R. S. Williams) Grout |
| Authorship | (R. S. Williams) Grout |
| Rank | Species |
| Placed in | Eurhynchium |
| Citation | 1928 Moss Fl. N. Amer. 2: 17. |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Eurhynchium rappii (R. S. Williams) Grout |
| Identification made in | [no date] (1) |