Verbatim text: King, R. M. and H. Robinson. 1987. The genera of the Eupatorieae (Asteraceae). Monogr. Syst. Bot. Missouri Bot. Gard. 22.
Author: King, R.M., Robinson, H.
Year: 1987
Title: The genera of the Eupatorieae (Asteraceae)
Journal: Monogr. Syst. Bot. Missouri Bot. Gard
Volume: 22