| Name | Platyhypnidium riparioides (Hedwig) Dixon |
| Authorship | (Hedwig) Dixon |
| Rank | Species |
| Placed in | Platyhypnidium |
| Citation | 1934 Rev. Bryol. Lichenol. 6: 111 |
| Holdings | 198 Specimens held in the Harvard University Herbaria identified as Platyhypnidium riparioides (Hedwig) Dixon |
| Identification made in | [no date] (186), 2004 (12) |