| Coptis anemonifolia Siebold & Zucc. | Coptis japonica (Thunb.) Makino |
| Coptis asplenifolia biternata Huth | Coptis aspleniifolia Salisb. |
| Coptis brachypetala Siebold & Zucc. | Coptis japonica (Thunb.) Makino |
| Coptis chinensis angustiloba W.Y.Kong | Coptis chinensis Franch. |
| Coptis chinensis omeiensis Chen., Bull. Fan. Mem. Inst. Biol. n.s., 1: 93 (1943) | Coptis omeiensis (C.Chen) C.Y.Cheng |
| Coptis japonica anemonifolia (Siebold & Zucc.) H.Ohba | Coptis japonica (Thunb.) Makino |
| Coptis morii Hayata | Coptis quinquefolia Miq. |
| Coptis occidentalis howellii Huth | Coptis occidentalis (Nutt.) Torr. & A.Gray |
| Coptis oligodonta Satake | Coptis trifoliolata (Makino) Makino |
| Coptis orientalis Maxim. | Coptis japonica (Thunb.) Makino |
| Coptis quinquefolia ramosa Makino | Coptis quinquefolia Miq. |
| Coptis quinquefolia trifoliolata Makino, Bot. Mag. (Tokyo) 24: 138 (1910) | Coptis trifoliolata (Makino) Makino |
| Coptis ramosa (Makino) Tamura | Coptis quinquefolia Miq. |
| Coptis teeta chinensis (Franch.) Finet & Gagnep. | Coptis chinensis Franch. |
| Coptis trifoliolata oligodonta (Satake) F.Maek. | Coptis trifoliolata (Makino) Makino |
| Coptis venosa Howell | Coptis laciniata A.Gray |