Reference:La1982a
Revision as of 13:24, 20 August 2020 by imported>Unknown user
Verbatim text: La Duke, J. C. 1982. Revision of Tithonia. Rhodora 84: 453–522.
Author: La Duke, J.C.
Year: 1982
Title: Revision of Tithonia
Journal: Rhodora
Volume: 84
Pages: 453–522