| Name | Polygonum oxyspermum subsp. raii (Babington) D. A. Webb & Chater |
| Authorship | (Babington) D. A. Webb & Chater |
| Rank | Subspecies |
| Placed in | Polygonum oxyspermum C. A. Meyer & Bunge |
| Citation | 1963 Feddes Repert. Spec. Nov. Regni Veg. 68(3): 188 |
| Holdings | 32 Specimens held in the Harvard University Herbaria identified as Polygonum oxyspermum subsp. raii (Babington) D. A. Webb & Chater |
| Identification made in | [no date] (32) |
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