| Name | Porotrichum elegantissimum Mitten |
| Authorship | Mitten |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Porotrichum |
| Citation | 1868 J. Linn. Soc., Bot. 10: 187 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Porotrichum elegantissimum Mitten |
| Identification made in | [no date] (1) |