| Name | Protea longiflora Lamarck |
| Authorship | Lamarck |
| Rank | Species |
| Placed in | Protea |
| Citation | 1792 Tabl. Encycl. 1: 234 |
| Holdings | 9 Specimens held in the Harvard University Herbaria identified as Protea longiflora Lamarck |
| Identification made in | [no date] (9) |