| Name | Alternanthera philoxeroides f. angustifolia Suessenguth |
| Authorship | Suessenguth |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Alternanthera philoxeroides (Martius) Grisebach |
| GUID | urn:lsid:ipni.org:names:10430-2 |
| Citation | 1934 Repert. Spec. Nov. Regni Veg. 35: 303 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Alternanthera philoxeroides f. angustifolia Suessenguth |
| Identification made in | [no date] (1) |