Verbatim text: Ownbey, G. B. 1958. Monograph of the genus Argemone for North America and the West Indies. Mem. Torrey Bot. Club 21: 1-159.
Author: Ownbey, G.B.
Year: 1958
Title: Monograph of the genus Argemone for North America and the West Indies
Journal: Mem. Torrey Bot. Club
Volume: 21
Pages: 1–159