| Name | Alternanthera maritima (Martius) A. St.-Hilaire |
| Authorship | (Martius) A. St.-Hilaire |
| Rank | Species |
| Placed in | Alternanthera Forsskal |
| Citation | 1833 Voy. Distr. Diam. 2: 437 |
| Holdings | 9 Specimens held in the Harvard University Herbaria identified as Alternanthera maritima (Martius) A. St.-Hilaire |
| Identification made in | [no date] (3), 1976 (6) |