| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Sphaerodorum gracile | (Rathke, 1843) | synonym | No | senior synonym |
new combination |
| Sphaerodorum gracilis | (Rathke, 1843) | accepted name | Yes | senior synonym |
new combination |
| Sphaerodorum gracilis | Treadwell | synonym | No | junior synonym |
original combination |