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CCDB → Angiosperms → Polygonaceae → Sidotheca
| Taxon name | Status | Median (n) |
| Sidotheca caryophylloides (Parry) Reveal | Accepted | 20 |
| Sidotheca trilobata (A. Gray) Reveal | Accepted | 20 |
| Oxytheca caryophylloides Parry | Synonym of Sidotheca caryophylloides (Parry) Reveal | 20 |
| Oxytheca trilobata A. Gray | Synonym of Sidotheca trilobata (A. Gray) Reveal | 20 |