Verbatim text: Achey, D. M. 1933. A revision of the section Gymnocaulis of the genus Orobanche. Bull. Torrey Bot. Club 60: 441–451.
Author: Achey, D.M.
Year: 1933
Title: A revision of the section Gymnocaulis of the genus Orobanche
Journal: Bull. Torrey Bot. Club
Volume: 60
Pages: 441–451