| Name | Porphyra thulaea Munda & P. M. Pedersen |
| Authorship | Munda & P. M. Pedersen |
| Rank | Species |
| Placed in | Porphyra C. Agardh |
| Citation | 1978 Bot. Mar. 21: 286, figs. 1-9 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Porphyra thulaea Munda & P. M. Pedersen |
| Identification made in | [no date] (1) |