| Name | Coptis occidentalis (Nuttall) Torrey & A. Gray |
| Authorship | (Nuttall) Torrey & A. Gray |
| Rank | Species |
| Placed in | Coptis |
| Citation | 1838 Fl. N. Amer. [Torr. & A. Gray] 1(1): 28 |
| Holdings | 14 Specimens held in the Harvard University Herbaria identified as Coptis occidentalis (Nuttall) Torrey & A. Gray |
| Identification made in | [no date] (14) |