| Name | Porphyra hospitans Zanardini |
| Authorship | Zanardini |
| Rank | Species |
| Placed in | Porphyra C. Agardh |
| GUID | urn:lsid:marinespecies.org:taxname:503403 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Porphyra hospitans Zanardini |
| Identification made in | [no date] (2) |