| Name | Phacidium radians subsp. sibiricum Saccardo |
| Authorship | Saccardo |
| Rank | Subspecies |
| NomenclaturalStatus | NomLeg |
| Placed in | Phacidium radians Roberge ex Desmazières |
| Citation | 1877 Michelia 1(1): 60 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Phacidium radians subsp. sibiricum Saccardo |
| Identification made in | [no date] (1) |