| Name | Polygonum humifusum Merk ex C. Koch |
| Authorship | Merk ex C. Koch |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Polygonum Linnaeus |
| Contains | Polygonum humifusum subsp. caurianum (B. L. Robinson) Costea & Tardif |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Polygonum humifusum Merk ex C. Koch |
| Identification made in | [no date] (2), 1999 (1) |
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