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CCDB → Angiosperms → Polygonaceae → Stenogonum
| Taxon name | Status | Median (n) |
| Stenogonum flexum (M. E. Jones) Reveal & J. T. Howell | Accepted | 20 |
| Stenogonum salsuginosum Nutt. | Accepted | 20 |
| Eriogonum flexum M. E. Jones | Synonym of Stenogonum flexum (M. E. Jones) Reveal & J. T. Howell | 20 |