| Name | Alternanthera pycnantha (Bentham) Schinz |
| Authorship | (Bentham) Schinz |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Alternanthera Forsskal |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Alternanthera pycnantha (Bentham) Schinz |
| Identification made in | [no date] (1) |