| Name | Alisma subcordatum Pursh |
| Authorship | Pursh |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Alisma Linnaeus |
| Holdings | 227 Specimens held in the Harvard University Herbaria identified as Alisma subcordatum Pursh |
| Identification made in | [no date] (200), 1927 (7), 1954 (1), 1958 (1), 1969 (1), 1982 (5), 1988 (6), 2006 (1), 2010 (1), 2020 (2), 2023 (2) |