Verbatim text: Spongberg, S. A. 1978. The genera of Crassulaceae in the southeastern United States. J. Arnold Arbor. 59: 198–248.
Author: Spongberg, S.A.
Year: 1978
Title: The genera of Crassulaceae in the southeastern United States
Journal: J. Arnold Arbor
Volume: 59
Pages: 198–248