| Name | Portlandia grandiflora Linnaeus |
| Authorship | Linnaeus |
| Rank | Species |
| Placed in | Portlandia P. Browne |
| Citation | 1759 Syst. Nat., ed. 10. 1: 928 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Portlandia grandiflora Linnaeus |
| Identification made in | [no date] (2) |
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