| Name | Cladonia poroscypha S. Hammer |
| Authorship | S. Hammer |
| Rank | Species |
| Placed in | Cladonia P. Browne |
| GUID | urn:lsid:indexfungorum.org:names:360699 |
| Citation | 1993 Bryologist 96(1): 83 |
| Holdings | 12 Specimens held in the Harvard University Herbaria identified as Cladonia poroscypha S. Hammer |
| Identification made in | [no date] (12) |