| Name | Griffithsia subverticillata Kützing |
| Authorship | Kützing |
| Rank | Species |
| Placed in | Griffithsia C. Agardh |
| Citation | 1862 Tab. Phycol. 12: 8, t. 23, figs, c, d |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Griffithsia subverticillata Kützing |
| Identification made in | [no date] (1) |