| Name | Vitis flexuosa var. rufotomentosa Makino |
| Authorship | Makino |
| Rank | Variety |
| Placed in | Vitis flexuosa Thunberg |
| Citation | 1906 Bot. Mag. (Tokyo) 20: 12 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Vitis flexuosa var. rufotomentosa Makino |
| Identification made in | [no date] (2) |