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CCDB → Angiosperms → Compositae → Iostephane
| Taxon name | Status | Median (n) |
| Iostephane heterophylla (Cav.) Benth. | Accepted | 17 |
| Iostephane trilobata Hemsl. | Accepted | 17 |
| Iostephane heterophylla var. dicksonii W. M. Sharp | Unresolved | 17 |
| Iostephane heterophylla | Synonym of Iostephane heterophylla (Cav.) Benth. | 17 |
| Iostephane heterophylla var. dicksonii (Lindl.) Sharp | Synonym of Iostephane heterophylla var. dicksonii W. M. Sharp | 17 |