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CCDB → Angiosperms → Polygonaceae → Acanthoscyphus
| Taxon name | Status | Median (n) |
| Acanthoscyphus parishii var. parishii | Synonym of Acanthoscyphus parishii (Parry) Small | 20 |
| Oxytheca parishii Parry | Synonym of Acanthoscyphus parishii (Parry) Small | 20 |