Reference:Torres1964a
Verbatim text: Torres, A. M. 1964. Revision of Sanvitalia (Compositae–Heliantheae). Brittonia 16: 417–433.
Author: Torres, A.M.
Year: 1964
Title: Revision of Sanvitalia (Compositae–Heliantheae)
Journal: Brittonia
Volume: 16
Pages: 417–433