1767 21 May 3/1 Persons (especially Children) would do well to beware of this Weed. It is called wild Hemlock by some, and Musquash Weed by others.
1892 5 91 Thalictrum polygamum, muskrat-weed; musquash weed.
1907 A. B. Lyons (ed. 2) 457 T. polygamum... Celandine, Muskrat-weed, Musquash-weed.