Publication: Proc. Boston Soc. Nat. Hist. 23: 302. 1886.
Origin: Native
Herbarium search: CPNWH
Notes: FNA3: "Thalctrum venulosum is similar to T. confine and T. occidentale . Careful field studies are needed to clarify the relationships among these taxa."
Last updated 7/1/2023 by David Giblin.