| Name | Porpidia subsimplex (H. Magnusson) Fryday |
| Authorship | (H. Magnusson) Fryday |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Porpidia Körber |
| Citation | 2006 Bryologist 109(1): 15 |
| Holdings | 11 Specimens held in the Harvard University Herbaria identified as Porpidia subsimplex (H. Magnusson) Fryday |
| Identification made in | [no date] (11) |