| Name | Mallotus tenuifolius var. subjaponicus Croizat |
| Authorship | Croizat |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Mallotus tenuifolius Pax |
| Citation | 1938 J. Arnold Arbor. 19: 138 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Mallotus tenuifolius var. subjaponicus Croizat |
| Identification made in | [no date] (1) |