Verbatim text: Benson, L. D. 1969b. Cactaceae. In: C. L. Lundell. 1942–1969. Flora of Texas. 3 vols. in parts. Dallas and Renner, Tex. vol. 2, pp. 221–317.
Author: Benson, L.D.
Year: 1969b
Title: Cactaceae
Editor: Lundell, C.L.
Book year: 1942–1969
Book title: Flora of Texas
Book volume: 3 vols. in parts
Volume: 2
Pages: 221–317