| Name | Cladophora membranacea (Bang ex C. Agardh) Kützing |
| Authorship | (Bang ex C. Agardh) Kützing |
| Rank | Species |
| Placed in | Cladophora Kützing |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Cladophora membranacea (Bang ex C. Agardh) Kützing |
| Identification made in | [no date] (1), 1946 (4) |