| Name | Protococcus vulgaris (Greville) Kützing |
| Authorship | (Greville) Kützing |
| Rank | Species |
| Placed in | Protococcus C. Agardh |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Protococcus vulgaris (Greville) Kützing |
| Identification made in | [no date] (1) |