| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Anas mollissima | Linnaeus, 1758 | synonym | No | senior synonym |
original combination |
| Eider mollissimus | (Linnaeus, 1758) | synonym | No | senior synonym |
new combination |
| ! Somateria mallissima | (Linnaeus, 1758) | synonym | No | senior synonym |
new combination |
| Somateria mollissima | (Linnaeus, 1758) | accepted name | Yes | senior synonym |
new combination |
| Somateria mollissima borealis | (Brehm, 1824) | accepted name | No | senior synonym |
new combination |
| Somateria mollissima dresseri | Sharpe, 1871 | accepted name | No | senior synonym |
original combination |
| Somateria mollissima faeroeensis | Brehm, 1831 | accepted name | No | senior synonym |
original combination |
| Somateria mollissima islandica | Brehm, 1831 | accepted name | No | senior synonym |
original combination |
| Somateria mollissima mollissima | (Linnaeus, 1758) | accepted name | No | senior synonym |
new combination |
| Somateria mollissima sedentaria | Snyder, 1941 | accepted name | No | senior synonym |
original combination |
| Somateria mollissima v-nigrum | Bonaparte & Gray, 1855 | accepted name | No | senior synonym |
original combination |