| Name | Thalictrum occidentale var. palouense H. St. John |
| Authorship | H. St. John |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Thalictrum occidentale A. Gray |
| Citation | 1937 Fl. S.E. Washington (Piper & Beattie) 158 |
| Holdings | 109 Specimens held in the Harvard University Herbaria identified as Thalictrum occidentale var. palouense H. St. John |
| Identification made in | [no date] (91), 1943 (14), 1945 (1), 1947 (3) |
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