| Name | Cladonia portentosa subsp. pacifica Ahti |
| Authorship | Ahti |
| Rank | Subspecies |
| Placed in | Cladonia portentosa (Dufour) Coemans |
| GUID | urn:lsid:indexfungorum.org:names:350644 |
| Citation | 1978 Acta Bot. Fenn. 15(1): 9 |
| Holdings | 16 Specimens held in the Harvard University Herbaria identified as Cladonia portentosa subsp. pacifica Ahti |
| Identification made in | [no date] (16) |