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CCDB → Angiosperms → Compositae → Ionactis
| Taxon name | Status | Median (n) |
| Ionactis alpina (Nutt.) Greene | Accepted | 9 |
| Ionactis caelestis P. J. Leary & G. L. Nesom | Accepted | 9 |
| Ionactis elegans (Soreng & Spellenb.) G. L. Nesom | Accepted | 9 |
| Ionactis linariifolia (L.) Greene | Accepted | 9 |
| Aster scopulorum A. Gray | Synonym of Ionactis alpina (Nutt.) Greene | 9 |
| Chaetopappa elegans Soreng & Spellenb. | Synonym of Ionactis elegans (Soreng & Spellenb.) G. L. Nesom | 9 |
| Aster linariifolius L. | Synonym of Ionactis linariifolia (L.) Greene | 9 |