| Name | Arisaema serratum var. japonicum Blume ex Y. Yabe |
| Authorship | Blume ex Y. Yabe |
| Rank | Variety |
| Placed in | Arisaema serratum (Thunberg) Schott |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Arisaema serratum var. japonicum Blume ex Y. Yabe |
| Identification made in | [no date] (6) |