| Name | Porphyra endiviifolia (A. Gepp & E. Gepp) Y. M. Chamberlain |
| Authorship | (A. Gepp & E. Gepp) Y. M. Chamberlain |
| Rank | Species |
| Placed in | Porphyra C. Agardh |
| Holdings | 16 Specimens held in the Harvard University Herbaria identified as Porphyra endiviifolia (A. Gepp & E. Gepp) Y. M. Chamberlain |
| Identification made in | [no date] (16) |