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CCDB → Angiosperms → Aizoaceae → Gibbaeum
| Taxon name | Status | Median (n) |
| Gibbaeum album N. E. Br. | Accepted | 9 |
| Gibbaeum angulipes (L. Bolus) N. E. Br. | Accepted | 9 |
| Gibbaeum blackburnii L. Bolus | Accepted | 9 |
| Gibbaeum comptonii (L. Bolus) L. Bolus | Accepted | 9 |
| Gibbaeum dispar N. E. Br. | Accepted | 9 |
| Gibbaeum geminum N. E. Br. | Accepted | 18 |
| Gibbaeum gibbosum (Haw.) N. E. Br. | Accepted | 9 |
| Gibbaeum heathii (N. E. Br.) L. Bolus | Accepted | 9 |
| Gibbaeum pachypodium (Kensit) L. Bolus | Accepted | 9 |
| Gibbaeum pubescens (Haw.) N. E. Br. | Accepted | 9 |
| Gibbaeum luteoviride (Haw.) N. E. Br. | Synonym of Gibbaeum gibbosum (Haw.) N. E. Br. | 9 |
| Imitaria muirii N. E. Br. | Synonym of Gibbaeum nebrownii Tischler | 9 |
| Gibbaeum haagei Schwantes ex H. Jacobsen | Synonym of Gibbaeum petrense (N. E. Br.) Tischler | 18 |
| Gibbaeum shandii (N. E. Br.) N. E. Br. | Synonym of Gibbaeum pubescens subsp. shandii (N. E. Br.) Glen | 18 |