Verbatim text: Roush, E. M. F. 1931. A monograph of the genus Sidalcea. Ann. Missouri Bot. Gard. 18: 117–244.
Author: Roush, E.M.F.
Year: 1931
Title: A monograph of the genus Sidalcea
Journal: Ann. Missouri Bot. Gard
Volume: 18
Pages: 117–244