Polygonaceae | |
Polygonum oxyspermum subsp. oxyspermum
| | | |
Polygonaceae | |
Polygonum oxyspermum subsp. raii
| (Bab.) D.A. Webb & Chater | Feddes Repert. Spec. Nov. Regni Veg. 68(3): 188 | 1963 |
Polygonaceae | |
Polygonum oxyspermum subsp. robertii
| (Loisel.) Akeroyd & D.A. Webb | Bot. J. Linn. Soc. 97: 344 | 1988 |