| 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) |