| Name | Platygyriella densa (Hooker) W. R. Buck |
| Authorship | (Hooker) W. R. Buck |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Platygyriella |
| Citation | 1984 Brittonia 36:86 |
| Holdings | 11 Specimens held in the Harvard University Herbaria identified as Platygyriella densa (Hooker) W. R. Buck |
| Identification made in | [no date] (8), 1983 (2), 2014 (1) |