| Name | Laurencia poiteaui (J. V. Lamouroux) M. Howe |
| Authorship | (J. V. Lamouroux) M. Howe |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Laurencia J. V. Lamouroux |
| Contains | Laurencia poiteaui var. gemmifera (Harvey) Yamada |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Laurencia poiteaui (J. V. Lamouroux) M. Howe |
| Identification made in | [no date] (2) |