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CCDB → Angiosperms → Ranunculaceae → Knowltonia
| Taxon name | Status | Median (n) |
| Knowltonia transvaalensis Szyszył. | Accepted | 24 |
| Knowltonia bracteata Harv. ex Zahlbr. | Synonym of Anemone bracteata (Harv.) J. C. Manning & Goldblatt | 24 |
| Knowltonia capensis (L.) Huth | Synonym of Anemone knowltonia B. Davy | 24 |
| Knowltonia vesicatoria (L.) Sims | Synonym of Anemone vesicatoria (L.) Prantl | 24 |