| Name | Pontederia cordata f. latifolia (Rafinesque) House |
| Authorship | (Rafinesque) House |
| Rank | Forma |
| Placed in | Pontederia cordata Linnaeus |
| Citation | 1921[1923] New York State Mus. Bull. 243–244: 62 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Pontederia cordata f. latifolia (Rafinesque) House |
| Identification made in | [no date] (3) |
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