| Name | Polygonum aviculare var. littorale (Link) Mertens & W. D. J. Koch |
| Authorship | (Link) Mertens & W. D. J. Koch |
| Rank | Variety |
| Placed in | Polygonum aviculare Linnaeus |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Polygonum aviculare var. littorale (Link) Mertens & W. D. J. Koch |
| Identification made in | [no date] (2) |