| Name | Pentachaeta alsinoides Greene |
| Authorship | Greene |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Pentachaeta Nuttall |
| GUID | urn:lsid:ipni.org:names:188067-2 |
| Citation | 1882 Bull. Torrey Bot. Club 9: 109 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Pentachaeta alsinoides Greene |
| Identification made in | [no date] (2) |