| Name | Fissidens pusillissimus Steere |
| Authorship | Steere |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Fissidens Hedwig |
| Citation | 1938 Ann. Bryol. 10: 116 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Fissidens pusillissimus Steere |
| Identification made in | [no date] (1) |