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CCDB → Angiosperms → Compositae → Keysseria
| Taxon name | Status | Median (n) |
| Keysseria helenae (C. N. Forbes & Lydgate) Cabrera | Accepted | 27 |
| Keysseria maviensis (H. Mann) Cabrera | Accepted | 27 |
| Keysseria radicans (F. Muell.) Mattf. | Unresolved | 18 |
| Keysseria helenae (C. N. Forbes & L. C. (. L. helenae) | Synonym of Keysseria helenae (C. N. Forbes & Lydgate) Cabrera | 27 |
| Lagenophora helena C. N. Forbes & Lydgate | Synonym of Keysseria helenae (C. N. Forbes & Lydgate) Cabrera | 27 |
| Lagenophora maviensis H. Mann | Synonym of Keysseria maviensis (H. Mann) Cabrera | 27 |