Verbatim text: Benson, L. D. 1948. A treatise on the North American Ranunculi. Amer. Midl. Naturalist 40: 1-261.
Author: Benson, L.D.
Year: 1948
Title: A treatise on the North American Ranunculi
Journal: Amer. Midl. Naturalist
Volume: 40
Pages: 1–261