| Name | Porotrichum usagarum Mitten |
| Authorship | Mitten |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Porotrichum |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Porotrichum usagarum Mitten |
| Identification made in | 2005 (1) |
| Name | Porotrichum usagarum Mitten |
| Authorship | Mitten |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Porotrichum |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Porotrichum usagarum Mitten |
| Identification made in | 2005 (1) |