Verbatim text: Payson, E. B. 1922. Species of Sisymbrium native to America north of Mexico. Univ. Wyoming Publ. Sci., Bot. 1(1): 1–27.
Author: Payson, E.B.
Year: 1922
Title: Species of Sisymbrium native to America north of Mexico
Journal: Univ. Wyoming Publ. Sci., Bot
Volume: 1
Pages: 1–27