| Name | Arisaema serratum f. thunbergii Makino |
| Authorship | Makino |
| Rank | Forma |
| Placed in | Arisaema serratum (Thunberg) Schott |
| Citation | 1901 Bot. Mag. (Tokyo) 15(176): 128–129 |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Arisaema serratum f. thunbergii Makino |
| Identification made in | [no date] (5) |