| 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) |