| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| ! Ectocarpus mitchellae | Harvey, 1852 | synonym | No | senior synonym |
original combination |
| Ectocarpus mitchelliae | Harvey, 1852 | synonym | No | senior synonym |
original combination |
| ! Feldmannia michelliae | (Harvey) Kim, 2010 | synonym | No | senior synonym |
new combination |
| Feldmannia mitchelliae | (Harvey) Kim, 2010 | accepted name | Yes | senior synonym |
new combination |
| Giffordia mitchelliae | (Harvey) Hamel, 1939 | synonym | No | senior synonym |
new combination |
| Hincksia mitchelliae | (Harvey) Silva, 1987 | synonym | No | junior synonym |
new combination |