| Name | Porotrichum denticulatum Mitten |
| Authorship | Mitten |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Porotrichum |
| Citation | 1869 J. Linn. Soc., Bot. 12: 462 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Porotrichum denticulatum Mitten |
| Identification made in | 1987 (1) |