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CCDB → Angiosperms → Onagraceae → Chylismiella
| Taxon name | Status | Median (n) |
| Camissonia pterosperma (S. Watson) P. H. Raven | Synonym of Chylismiella pterosperma (S. Watson) W. L. Wagner & Hoch | 7 |
| Oenothera pterosperma S. Watson | Synonym of Chylismiella pterosperma (S. Watson) W. L. Wagner & Hoch | 7 |