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CCDB → Angiosperms → Onagraceae → Sphaerostigma
| Taxon name | Status | Median (n) |
| Sphaerostigma dentatum (Cav.) Walp. | Accepted | 7 |
| Sphaerostigma spirale (Hook.) Fisch. & C. A. Mey. | Synonym of Holostigma spirale (Hook.) Spach | 7 |
| Sphaerostigma veitchianum (Hook.) Small | Synonym of Oenothera veitchiana (Hook.) Tidestr. | 7 |