| Name | Lyngbya rigidula (Kützing) Hansgirg |
| Authorship | (Kützing) Hansgirg |
| Rank | Species |
| Placed in | Lyngbya C. Agardh ex Gomont |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Lyngbya rigidula (Kützing) Hansgirg |
| Identification made in | [no date] (1) |