| Name | Polygonum americanum (Fischer & C. A. Meyer) T. M. Schuster & Reveal |
| Authorship | (Fischer & C. A. Meyer) T. M. Schuster & Reveal |
| Rank | Species |
| Placed in | Polygonum Linnaeus |
| Holdings | 56 Specimens held in the Harvard University Herbaria identified as Polygonum americanum (Fischer & C. A. Meyer) T. M. Schuster & Reveal |
| Identification made in | [no date] (55), 2019 (1) |
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