| Name | Erythrodontium squarrosum (Hampe) Paris |
| Authorship | (Hampe) Paris |
| Rank | Species |
| Placed in | Erythrodontium |
| Citation | 1904 Index Bryol. 2: 159 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Erythrodontium squarrosum (Hampe) Paris |
| Identification made in | [no date] (4) |