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CCDB → Angiosperms → Malvaceae → Plagianthus
| Taxon name | Status | Median (n) |
| Plagianthus divaricatus J. R. Forst. & G. Forst. | Accepted | 21 |
| Plagianthus regius (Poit.) Hochr. | Accepted | 21 |
| Plagianthus betulinus A. Cunn. | Synonym of Plagianthus regius (Poit.) Hochr. | 21 |
| Plagianthus chathamicus Cockayne | Synonym of Plagianthus regius subsp. chathamicus (Cockayne) de Lange | 21 |