| Name | Ipomoea macrorhiza Michaux |
| Authorship | Michaux |
| Rank | Species |
| Placed in | Ipomoea Linnaeus |
| Citation | 1803 Fl. Bor.-Amer. [Michaux] 1: 141 |
| Holdings | 12 Specimens held in the Harvard University Herbaria identified as Ipomoea macrorhiza Michaux |
| Identification made in | [no date] (12) |
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