Verbatim text: Ownbey, G. B. 1947. Monograph of the North American species of Corydalis. Ann. Missouri Bot. Gard. 34: 187-260.
Author: Ownbey, G.B.
Year: 1947
Title: Monograph of the North American species of Corydalis
Journal: Ann. Missouri Bot. Gard
Volume: 34
Pages: 187–260
BHL link: http://www.biodiversitylibrary.org/part/29788