| Name | Lyngbya majuscula Harvey ex Gomont |
| Authorship | Harvey ex Gomont |
| Rank | Species |
| Placed in | Lyngbya C. Agardh ex Gomont |
| Contains | Lyngbya majuscula var. pacifica (Kützing) Harvey |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Lyngbya majuscula Harvey ex Gomont |
| Identification made in | [no date] (5) |