| Name | Arthrosiphon grevillei Kützing ex Frank |
| Authorship | Kützing ex Frank |
| Rank | Species |
| Placed in | Arthrosiphon Kützing ex A. B. Frank |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Arthrosiphon grevillei Kützing ex Frank |
| Identification made in | [no date] (3) |