| Name | Porphyra lanceolata (Setchell & Hus) G. M. Smith |
| Authorship | (Setchell & Hus) G. M. Smith |
| Rank | Species |
| Placed in | Porphyra C. Agardh |
| Citation | 1943 Amer. J. Bot. 30(3): 211-223 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Porphyra lanceolata (Setchell & Hus) G. M. Smith |
| Identification made in | [no date] (1) |