| Name | Cladonia ecmocyna subsp. occidentalis I. M. Brodo & T. T. Ahti |
| Authorship | I. M. Brodo & T. T. Ahti |
| Rank | Subspecies |
| Placed in | Cladonia ecmocyna Leighton |
| Citation | 1996 Canad. J. Bot. 74(7): 1160 |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Cladonia ecmocyna subsp. occidentalis I. M. Brodo & T. T. Ahti |
| Identification made in | [no date] (4), 2018 (1) |