| Name | Myxopyrum smilacifolium subsp. confertum (Kerr) P. S. Green |
| Authorship | (Kerr) P. S. Green |
| Rank | Subspecies |
| NomenclaturalStatus | NomLeg |
| Placed in | Myxopyrum smilacifolium Blume |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Myxopyrum smilacifolium subsp. confertum (Kerr) P. S. Green |
| Identification made in | [no date] (1), 2009 (1) |