| Staphyleaceae | |
Euscaphis japonica var. formosana
| Masam. | Trans. Nat. Hist. Soc. Taiwan 29: 273–274 | 1939 |
| Staphyleaceae | |
Euscaphis japonica var. jianningensis
| Q.J. Wang | Acta Phytotax. Sin. 20(1): 118 | 1982 |
| Staphyleaceae | |
Euscaphis japonica fo. lanata
| (Masam.) K. Iwats. & H. Ohba | in Fl. Japan 2c: 104 | 1999 |
| Staphyleaceae | |
Euscaphis japonica var. lanata
| Masam. | | |
| Staphyleaceae | |
Euscaphis japonica var. pubescens
| P.L. Chiu & G.R. Zhong | Bull. Bot. Res., Harbin 8(4): 106–107 | 1988 |
| Staphyleaceae | |
Euscaphis japonica var. ternata
| Rehder | J. Arnold Arbor. 3(4): 215 | 1922 |