| Name | Thalictrum confine var. columbianum (Rydberg) B. Boivin |
| Authorship | (Rydberg) B. Boivin |
| Rank | Variety |
| Placed in | Thalictrum confine Fernald |
| Citation | 1944 Rhodora 46(551): 442 |
| Holdings | 9 Specimens held in the Harvard University Herbaria identified as Thalictrum confine var. columbianum (Rydberg) B. Boivin |
| Identification made in | [no date] (9) |
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