| Name | Polygonum texense M. C. Johnston |
| Authorship | M. C. Johnston |
| Rank | Species |
| Placed in | Polygonum Linnaeus |
| Citation | 1969 Southw. Naturalist 14: 257 |
| Holdings | 8 Specimens held in the Harvard University Herbaria identified as Polygonum texense M. C. Johnston |
| Identification made in | 1994 (1), 2002 (7) |